28th US Championship and World Championship Zonal; 1981
July 9-30
South Bend, IN


                            Rtng  1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
 1. GM Browne, Walter       2594  x ½ 1 ½ ½ 1 ½ 1 ½ 1 ½ 1 0 1 0  9 - 5    +6-2= 6
 2. GM Seirawan, Yasser     2591  ½ x ½ ½ ½ ½ ½ ½ ½ ½ 1 ½ 1 1 1  9 - 5    +4-0=10
 3. GM Christiansen, Larry  2605  0 ½ x ½ 1 ½ ½ 1 ½ 1 ½ 1 0 ½ 1  8½- 5½   +5-2= 7
 4. GM Kavalek, Lubomir     2581  ½ ½ ½ x ½ 1 ½ 1 ½ 1 0 ½ ½ 1 ½  8½- 5½   +4-1= 9
 5. GM Reshevsky, Sammy     2503  ½ ½ 0 ½ x ½ ½ ½ 1 ½ 1 ½ 1 ½ 1  8½- 5½   +4-1= 9
 6. GM Shamkovich, Leonid   2552  0 ½ ½ 0 ½ x ½ ½ ½ 0 1 1 1 ½ 1  7½- 6½   +4-3= 7
 7. GM Byrne, Robert        2499  ½ ½ ½ ½ ½ ½ x ½ ½ ½ 0 1 ½ ½ ½  7 - 7    +1-1=12
 8. IM Peters, John         2497  0 ½ 0 0 ½ ½ ½ x ½ 1 ½ ½ 1 ½ 1  7 - 7    +3-3= 8
 9. GM Lein, Anatol         2519  ½ ½ ½ ½ 0 ½ ½ ½ x 1 ½ 0 ½ ½ ½  6½- 7½   +1-2=11
10. GM Alburt, Lev          2621  0 ½ 0 0 ½ 1 ½ 0 0 x ½ 1 1 1 0  6 - 8    +4-6= 4
11.    Kogan, Boris         2510  ½ 0 ½ 1 0 0 1 ½ ½ ½ x ½ 0 0 1  6 - 8    +3-5= 6
12. GM Tarjan, James        2565  0 ½ 0 ½ ½ 0 0 ½ 1 ½ 0 x 1 ½ 1  6 - 8    +3-5= 6
13. IM Benjamin, Joel       2506  1 0 1 ½ 0 0 ½ 0 ½ 0 1 0 x ½ ½  5½- 8½   +3-6= 5
14. IM Fedorowicz, John     2537  0 0 ½ 0 ½ ½ ½ ½ 0 1 ½ ½ ½ x 0  5 - 9    +1-5= 8
15. IM Kudrin, Sergey       2489  1 0 0 ½ 0 0 ½ 0 ½ 1 0 0 ½ 1 x  5 - 9    +3-7= 4
    GM Evans                2547              0   0

AVERAGE RATING:  2545


                     1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
 1. GM Browne        ½ 0 ½ 0 ½ 1 ½ 1 1 1 ½ 1 ½ 1 B   +4
 2. GM Seirawan      ½ 1 ½ ½ ½ ½ ½ ½ 1 B 1 1 ½ ½ ½   +4
 3. GM Christiansen  1 ½ ½ B ½ 1 1 0 ½ ½ ½ 0 1 1 ½   +3
 4. GM Kavalek       1 1 ½ ½ 1 ½ 1 0 ½ ½ ½ ½ ½ B ½   +3
 5. GM Reshevsky     1 1 ½ 1 ½ ½ B ½ ½ ½ ½ ½ ½ 0 1   +3
 6. GM Shamkovich    ½ ½ 0 ½ 0 0 ½ ½ B 1 1 ½ 1 1 ½   +1
 7. GM Byrne         ½ B 0 ½ ½ ½ 1 ½ ½ ½ ½ ½ ½ ½ ½    =
 8. IM Peters        1 0 ½ ½ ½ ½ 0 1 ½ 0 ½ ½ B ½ 1    =
 9. GM Lein          B ½ ½ 0 ½ 0 ½ ½ ½ 1 ½ ½ ½ ½ ½   -1
10. GM Alburt        0 1 1 ½ B 0 1 ½ 0 0 ½ 1 ½ 0 0   -2
11.    Kogan         ½ ½ 1 0 ½ 0 1 1 ½ 0 0 B ½ ½ 0   -2
12. GM Tarjan        0 0 ½ ½ 1 1 0 B ½ 1 ½ 0 0 ½ ½   -2
13. IM Benjamin      0 0 ½ 1 0 1 0 ½ 0 ½ B 1 ½ 0 ½   -3
14. IM Fedorowicz    ½ 0 B 1 0 ½ 0 ½ ½ ½ ½ 0 ½ 0 ½   -4
15. IM Kudrin        0 1 ½ ½ 1 B 0 0 ½ 0 0 0 0 1 ½   -4

  • As a result of this tournament, Walter Browne and Yasser Seirawan qualified for the 1982 Interzonals.

  • Larry Christiansen, Lubosh Kavalek, and Sammy Reshevsky tied for the final Interzonal spot, and played off in Jacksonville: 
                  1  2  3
Christiansen xx ½½ ½½  2-2
Reshevsky    ½½ xx ½½  2-2
Kavalek      ½½ ½½ xx  2-2

  • With all the Playoff games drawn, Christiansen won the final spot, owing to better tiebreak points. 
    

ROUND 1
Draw	Kogan-Browne
0-1	Kudrin-Reshevsky
Draw	Shamkovich-Fedorowicz
1-0	Kavalek-Alburt
0-1	Evans-Lein
1-0	Peters-Benjamin
0-1	Tarjan-Christiansen
Draw	Seirawan-Byrne

ROUND 2
0-1	Benjamin-Reshevsky
0-1	Browne-Kudrin
½-½	Lein-Kogan
1-0	Byrne-Evans
0-1	Fedorowicz-Seirawan
½-½	Christiansen-Shamkovich
1-0	Alburt-Tarjan
0-1	Peters-Kavalek


ROUND 3
½-½	Tarjan-Peters
½-½	Kudrin-Lein
½-½	Reshevsky-Browne
1-0	Kogan-Byrne
½-½	Seirawan-Christiansen
0-1	Shamkovich-Alburt
½-½	Kavalek-Benjamin
BYE	Fedorowicz

ROUND 4
1-0	Benjamin-Browne
0-1	Lein-Reshevsky
½-½	Byrne-Kudrin
1-0	Fedorowicz-Kogan
½-½	Alburt-Seirawan
½-½	Peters-Shamkovich
½-½	Kavalek-Tarjan
BYE	Christiansen


ROUND 5
½-½	Reshevsky-Byrne
0-1	Shamkovich-Kavalek
1-0	Kudrin-Fedorowicz
½-½	Seirawan-Peters
½-½	Browne-Lein
½-½	Kogan-Christiansen
1-0	Tarjan-Benjamin
BYE	Alburt


ROUND 6
0-1	Kogan-Benjamin
½-½	Reshevsky-Seirawan
1-0	Browne-Shamkovich
0-1	Lein-Tarjan
½-½	Byrne-Kavalek
½-½	Fedorowicz-Peters
1-0	Christiansen-Alburt
BYE	Kudrin

ROUND 7
0-1	Benjamin-Alburt
0-1	Peters-Christiansen
1-0	Kavalek-Fedorowicz
0-1	Tarjan-Byrne
½-½	Seirawan-Browne
1-0	Kogan-Kudrin
½-½	Shamkovich-Lein
BYE	Reshevsky

ROUND 8
½-½	Benjamin -Byrne
½-½	Fedorowicz-Lein
0-1	Christiansen-Browne
½-½	Alburt-Reshevsky
1-0	Peters-Kudrin
0-1	Kavalek-Kogan
½-½	Shamkovich-Seirawan
BYE	Tarjan

ROUND 9
1-0	Seirawan-Benjamin
½-½	Kogan-Tarjan
½-½	Kudrin-Kavalek
½-½	Reshevsky-Peters
1-0	Browne-Alburt
½-½	Lein-Christiansen
½-½	Byrne-Fedorowicz
BYE	Shamkovich

ROUND 10
½-½	Benjamin-Fedorowicz
½-½	Christiansen-Byrne
0-1	Alburt-Lein
0-1	Peters-Browne
½-½	Kavalek-Reshevsky
1-0	Tarjan-Kudrin
1-0	Shamkovich-Kogan
BYE	Seirawan

ROUND 11
0-1	Kogan-Seirawan
0-1	Kudrin-Shamkovich
½-½	Reshevsky-Tarjan
½-½	Browne-Kavalek
½-½	Lein-Peters
½-½	Byrne-Alburt
½-½	Fedorowicz-Christiansen
BYE	Benjamin

ROUND 12
½-½	Shamkovich-Reshevsky
1-0	Alburt-Fedorowicz
0-1	Tarjan-Browne
1-0	Seirawan-Kudrin
1-0	Benjamin-Christiansen
½-½	Peters-Byrne
½-½	Kavalek-Lein
BYE	Kogan

ROUND 13
½-½	Fedorowicz-Reshevsky
½-½	Benjamin-Lein
½-½	Byrne-Browne
1-0	Christiansen-Kudrin
½-½	Kavalek-Seirawan
½-½	Alburt-Kogan
0-1	Tarjan-Shamkovich
BYE	Peters

ROUND 14
½-½	Kogan-Peters
½-½	Seirawan-Tarjan
½-½	Lein-Byrne
0-1	Reshevsky-Christiansen
1-0	Browne-Fedorowicz
1-0	Shamkovich-Benjamin
1-0	Kudrin-Alburt
BYE	Kavalek

ROUND 15
½-½	Kudrin-Benjamin
1-0	Reshevsky-Kogan
½-½	Lein-Seirawan
½-½	Byrne-Shamkovich
½-½	Fedorowicz-Tarjan
½-½	Christiansen-Kavalek
0-1	Alburt-Peters
BYE	Browne

  • Larry Evans withdrew from the tournament after 2 rounds. Since he did not complete half his schedule, both of his completed games were anulled.

  • This was the final US Championship for 8-time Champion Sammy Reshevsky, and 5-time Champion Larry Evans.

  • Coverage in the October, November, and December 1981 issues of Chess Life.

    [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "1"] [Result "1-0"] [White "Lubomir Kavalek"] [Black "Lev Alburt"] [ECO "B04"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "121"] 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.Bc4 Nb6 6.Bb3 a5 7.a4 Bg7 8.Ng5 e6 9.f4 dxe5 10.fxe5 c5 11.c3 cxd4 12.O-O O-O 13.cxd4 Nc6 14.Nf3 f6 15.exf6 Qxf6 16.Be3 Nd5 17.Bf2 Nf4 18.Nbd2 Qf5 19.Kh1 Qg4 20.Bg3 Nh5 21.Bd6 Re8 22.Nc4 Ra6 23.d5 exd5 24.Qxd5+ Be6 25.Qb5 Raa8 26.Rae1 Kh8 27.Nce5 Nxe5 28.Nxe5 Qh4 29.Nxg6+ hxg6 30.Rxe6 Rxe6 31.Bxe6 Qd4 32.Qxb7 Rd8 33.Bc7 Re8 34.Qc6 Re7 35.Bd6 Qd3 36.Bc4 Qe4 37.Qxe4 Rxe4 38.b3 Nf6 39.h3 Re3 40.Bc5 Re8 41.Kg1 Ne4 42.Bb6 Rb8 43.Be3 Ng3 44.Rd1 Nf5 45.Ba7 Rb7 46.Bf2 Kh7 47.g4 Ne7 48.Rd6 Bc3 49.Kg2 Bb4 50.Rf6 Rd7 51.Rf7+ Kh8 52.Bh4 Rd2+ 53.Kf3 Ng8 54.Be1 Rd8 55.Bxb4 axb4 56.a5 Nh6 57.Rb7 Rf8+ 58.Ke4 Re8+ 59.Kd4 g5 60.Bb5 Ra8 61.a6 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "1"] [Result "1-0"] [White "John A Peters"] [Black "Joel Benjamin"] [ECO "B44"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "133"] 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 d6 6.c4 Nf6 7.N1c3 Be7 8.Be2 O-O 9.O-O a6 10.Na3 b6 11.Be3 Bb7 12.Rc1 Re8 13.Qb3 Nd7 14.Rfd1 Rb8 15.Rd2 Qc7 16.Qd1 Nc5 17.Nab1 Rbc8 18.a3 Ne5 19.f3 Qb8 20.b4 Ncd7 21.Qf1 Nf6 22.Na4 Ned7 23.Nbc3 d5 24.Nxb6 Nxb6 25.Bxb6 Bd6 26.g3 dxe4 27.f4 h5 28.c5 Be7 29.Bxa6 e3 30.Ra2 Nd7 31.Bxb7 Qxb7 32.Qg2 Qb8 33.Ba5 Nxc5 34.bxc5 Bxc5 35.Ne2 Ba7 36.Rac2 Rxc2 37.Rxc2 Qd6 38.Rc7 Qa6 39.Be1 Rd8 40.Kf1 Qxa3 41.Qb7 Bc5 42.Rxf7 Qa1 43.Nc3 Bd4 44.Rd7 Rxd7 45.Qxd7 Bxc3 46.Qd8+ Kh7 47.Qd3+ g6 48.Qxc3 Qa6+ 49.Kg1 Qe2 50.Qa1 Kg8 51.Qa5 Kf7 52.Qb4 Qd1 53.Qb7+ Kf6 54.Kf1 Qd3+ 55.Kg1 Qd1 56.Qb4 Kf7 57.h3 Qf3 58.Qd4 Qe2 59.Qd7+ Kg8 60.Qxe6+ Kh7 61.Qe7+ Kg8 62.Qb4 Kh7 63.f5 gxf5 64.Qe7+ Kg6 65.Qe6+ Kh7 66.Qxf5+ Kh6 67.Qf1 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "1"] [Result "1/2-1/2"] [White "Leonid Alexandrovich Shamkovich"] [Black "John Fedorowicz"] [ECO "A22"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "72"] 1.g3 e5 2.c4 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.Bg2 Nb6 6.d3 Be7 7.Be3 O-O 8.Rc1 Kh8 9.Qd2 Nc6 10.Bxc6 bxc6 11.Nf3 f6 12.Qc2 Bh3 13.Rg1 Bg4 14.Nd2 Nd5 15.Nd1 Nxe3 16.Nxe3 Bd7 17.g4 Rb8 18.a3 Qc8 19.Ne4 Qb7 20.Nc4 Qb5 21.f3 Be6 22.Kf2 Bxc4 23.Qxc4 Qxb2 24.Qxc6 Qd4+ 25.Kg2 Rb2 26.Rc2 Bxa3 27.Qxc7 Rxc2 28.Qxc2 a5 29.Rb1 Bb4 30.Qa4 g6 31.Qb5 f5 32.e3 Qd8 33.Qxe5+ Kg8 34.gxf5 Qxd3 35.Qe6+ Kh8 36.Qe5+ Kg8 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [Round "1"] [White "James Tarjan"] [Black "Larry Mark Christiansen"] [Result "0-1"] [WhiteElo "2540"] [BlackElo "2575"] [ECO "B18"] [PlyCount "96"] 1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7 9.Bd3 Bxd3 10.Qxd3 Ngf6 11.Bf4 Qa5+ 12.Bd2 Qc7 13.O-O-O e6 14.Ne4 Be7 15.Kb1 O-O 16.Nxf6+ Nxf6 17.Rdg1 Ng4 18.Qe2 Rad8 19.Ne5 Nxe5 20.dxe5 f6 21.exf6 Bxf6 22.Bc1 Qe5 23.Re1 Qxe2 24.Rxe2 e5 25.c3 b5 26.Kc2 Rd5 27.Be3 a5 28.a4 Rb8 29.Rd2 bxa4 30.Ra1 Rdb5 31.Ra2 a3 32.bxa3 a4 33.Rd6 Rc8 34.Rb2 Rd5 35.Rxd5 cxd5 36.Rb4 Rc4 37.Rxc4 dxc4 38.f3 Be7 39.Bc1 Kf7 40.Kd1 Ke6 41.Ke2 Kd5 42.g3 Bc5 43.g4 Be7 44.Kf2 Bh4+ 45.Ke2 Bf6 46.Kd2 Bg5+ 47.Kd1 Bxc1 48.Kxc1 e4 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "1"] [Result "1/2-1/2"] [White "Yasser Seirawan"] [Black "Robert Eugene Byrne"] [ECO "D37"] [WhiteElo "2565"] [BlackElo "2510"] [PlyCount "129"] 1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.cxd5 exd5 9.Be2 Nc6 10.O-O Be6 11.Rc1 Bb6 12.Qa4 Qe7 13.Rfd1 Rfd8 14.Bg5 h6 15.Bh4 Rac8 16.Nb5 Qb4 17.Qxb4 Nxb4 18.Bxf6 gxf6 19.a3 Nc6 20.Nfd4 Nxd4 21.Nxd4 Bxd4 22.exd4 Rxc1 23.Rxc1 Rc8 24.Rxc8+ Bxc8 25.Kf1 Kf8 26.Bf3 Be6 27.Ke2 Ke7 28.Ke3 a5 29.Kf4 b6 30.Kg3 Kf8 31.Kh4 Kg7 32.Kh5 Kh7 33.g4 Kg7 34.Bg2 Kh7 35.Bh1 Kg7 36.Bg2 Kh7 37.f4 f5 38.gxf5 Bxf5 39.Bxd5 Kg7 40.Kh4 Bg6 41.Kg3 f6 42.Kg4 Kf8 43.f5 Be8 44.Be6 Ke7 45.Bg8 Kf8 46.Be6 Ke7 47.h4 Kf8 48.d5 Ke7 49.Bg8 Kd6 50.Bh7 h5+ 51.Kf4 Ba4 52.Bg6 Bd1 53.Ke4 Kc5 54.b4+ axb4 55.axb4+ Kd6 56.Kd4 Bf3 57.Be8 Bg4 58.Ke4 Bd1 59.Bb5 Bb3 60.Kf4 Bd1 61.Bc4 Bg4 62.Ke4 Bd1 63.Kd4 Ba4 64.Be2 Be8 65.Bf3 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "1"] [Result "1/2-1/2"] [White "Boris Markovich Kogan"] [Black "Walter S Browne"] [ECO "A05"] [WhiteElo "2440"] [BlackElo "2570"] [PlyCount "38"] 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 c5 6. e4 d6 7. a4 b4 8. e5 dxe5 9. Nxe5 Bxg2 10. Kxg2 Nbd7 11. Nxd7 Nxd7 12. b3 Bd6 13. Bb2 Be5 14. Bxe5 Nxe5 15. Nd2 Qd5+ 16. Kg1 O-O 17. f4 Nc6 18. Nf3 Rac8 19. Rf2 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.10"] [EventDate "1981.07.00"] [Round "1"] [Result "0-1"] [White "Sergey Gennadyevich Kudrin"] [Black "Samuel Reshevsky"] [ECO "C55"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "92"] 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 5.O-O O-O 6.Bb3 d6 7.c3 Na5 8.Bc2 c5 9.Re1 b5 10.Nbd2 Nd7 11.Nf1 Nb6 12.Ng3 Re8 13.h3 Nc6 14.d4 cxd4 15.cxd4 exd4 16.Nxd4 Nxd4 17.Qxd4 g6 18.Nh5 gxh5 19.e5 Bf6 20.Qe4 Rxe5 21.Qxh7+ Kf8 22.Bh6+ Ke7 23.f4 Re6 24.Bf5 Qh8 25.Bxe6 Bxe6 26.Rxe6+ Kxe6 27.Re1+ Be5 28.Qc2 Qxh6 29.fxe5 Rc8 30.exd6 Kxd6 31.Qd3+ Nd5 32.Rd1 Qg5 33.h4 Qe5 34.Qxb5 Qe3+ 35.Kh1 Qe4 36.Qa6+ Rc6 37.Qa3+ Ke6 38.Qxa7 Rc2 39.Qa6+ Ke5 40.Qf1 Re2 41.Rxd5+ Kxd5 42.Qxf7+ Kd4 43.Qg7+ Qe5 44.Qd7+ Ke3 45.Qd1 Qxb2 46.Qg1+ Ke4 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "2"] [Result "1-0"] [White "Lev Alburt"] [Black "James Tarjan"] [ECO "A30"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "61"] 1.c4 c5 2.Nf3 Nf6 3.Nc3 e6 4.g3 b6 5.Bg2 Bb7 6.O-O Be7 7.d4 cxd4 8.Qxd4 d6 9.Rd1 O-O 10.Nb5 Nc6 11.Qd3 Qb8 12.b3 Rd8 13.Bb2 a6 14.Nbd4 Ra7 15.Qe3 h6 16.Bh3 Ba8 17.Nxe6 fxe6 18.Qxe6+ Kf8 19.Nh4 Ne5 20.Bxe5 dxe5 21.Ng6+ Ke8 22.Nxe5 Rd6 23.Qf7+ Kd8 24.Qxg7 Ne8 25.Qxh6 Kc7 26.Rxd6 Nxd6 27.Qe6 Qe8 28.Rd1 Nc8 29.Rd7+ Kb8 30.Rxa7 Nxa7 31.Nd7+ 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "2"] [Result "0-1"] [White "John Fedorowicz"] [Black "Yasser Seirawan"] [ECO "E15"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "106"] 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Nbd2 Bb4 6.Qb3 c5 7.a3 Bxd2+ 8.Bxd2 Nc6 9.d5 Na5 10.Bxa5 bxa5 11.dxe6 fxe6 12.Qc2 Rb8 13.Bh3 Qb6 14.O-O Qxb2 15.Qd3 Qb3 16.Qd6 Qb6 17.Qf4 O-O 18.Rfd1 Bc8 19.Nd2 Bb7 20.Rab1 Qc6 21.f3 a4 22.Rb5 Rbe8 23.Qe3 d6 24.Qc3 e5 25.Bf5 e4 26.Nxe4 Nxe4 27.Bxe4 Rxe4 28.fxe4 Qxe4 29.Rxb7 Qxb7 30.Qd3 Rf6 31.Rb1 Qa8 32.Qe3 Kf7 33.Qd3 h6 34.Rb5 Qc8 35.Qd5+ Kg6 36.Qd3+ Qf5 37.Kg2 Re6 38.Qxf5+ Kxf5 39.Kf3 Re4 40.Rb7 Rxc4 41.Rxg7 Rc3+ 42.e3 d5 43.Ke2 Rxa3 44.g4+ Ke5 45.Re7+ Kd6 46.Rxa7 Ra2+ 47.Kf3 c4 48.Ra6+ Kc5 49.Rxh6 c3 50.Rh8 a3 51.g5 Ra1 52.Ra8 a2 53.Kg2 Rb1 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "2"] [Result "0-1"] [White "Walter Shawn Browne"] [Black "Sergey Gennadyevich Kudrin"] [ECO "E12"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "86"] 1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 exd5 7.Bf4 Be7 8.e3 O-O 9.Bd3 c5 10.O-O Nbd7 11.Ne5 cxd4 12.exd4 Ne4 13.Re1 Nxe5 14.Bxe5 Nxc3 15.bxc3 Bd6 16.Qh5 g6 17.Qh6 Bxe5 18.dxe5 Qe7 19.Re3 Rad8 20.Bf5 Bc8 21.e6 fxe6 22.Bxg6 hxg6 23.Qxg6+ Qg7 24.Qh5 Rf5 25.Qh4 Qf6 26.Rg3+ Kf8 27.Qh7 Qf7 28.Qh6+ Ke8 29.Rg7 Rh5 30.Rxf7 Rxh6 31.Rxa7 Bd7 32.f4 Rc8 33.Rb1 b5 34.a4 bxa4 35.Rbb7 Rh7 36.Rxa4 Bxa4 37.Rxh7 Rxc3 38.h4 Bc2 39.Ra7 Be4 40.Kh2 Rc2 41.Rg7 d4 42.h5 d3 43.h6 d2 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "2"] [Result "1/2-1/2"] [White "Larry Mark Christiansen"] [Black "Leonid Alexandrovich Shamkovich"] [ECO "B13"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "82"] 1.c4 Nf6 2.Nc3 c6 3.e4 d5 4.cxd5 cxd5 5.exd5 Nxd5 6.Nf3 Nc6 7.d4 Bg4 8.Qb3 Bxf3 9.gxf3 e6 10.Qxb7 Nxd4 11.Bb5+ Nxb5 12.Qc6+ Ke7 13.Qxb5 Nxc3 14.bxc3 f6 15.Ba3+ Kf7 16.Rd1 Qc8 17.Rd7+ Kg8 18.Bxf8 Qxc3+ 19.Ke2 Rxf8 20.Rhd1 h5 21.Rd8 Qa3 22.R1d7 Rh6 23.Rxf8+ Qxf8 24.Qd3 Qc5 25.Rd8+ Kf7 26.f4 f5 27.Qd7+ Qe7 28.Qd4 Kg6 29.Rd7 Qf6 30.Qxf6+ Kxf6 31.Rxa7 Rh8 32.a4 Rd8 33.h4 Rd4 34.Ke3 Re4+ 35.Kf3 Rd4 36.a5 Rd5 37.a6 Rd6 38.Ra8 Kg6 39.Ke3 Kf7 40.Ke2 Kg6 41.a7 Ra6 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "2"] [Result "0-1"] [White "John A Peters"] [Black "Lubomir Kavalek"] [ECO "B93"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "74"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. a4 Be7 9. Bc4 O-O 10. Qe2 b6 11. O-O Bb7 12. Kh1 Qc7 13. f5 Nc5 14. Nd5 Nxd5 15. Bxd5 Bxd5 16. exd5 Qb7 17. b4 Nd7 18. Rd1 b5 19. c3 Rfc8 20. Rd3 a5 21. axb5 Qxb5 22. Rd2 Qxe2 23. Rxe2 axb4 24. Rxa8 Rxa8 25. cxb4 Nb6 26. Bd2 Nxd5 27. g4 f6 28. Re1 Ra3 29. Kg2 Ra2 30. Kg3 Rb2 31. g5 fxg5 32. Bxg5 Rxb4 33. Ra1 h6 34. Ra8+ Kf7 35. Bd2 Rb3 36. Kf2 e4 37. Nd4 Rd3 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "2"] [Result "1/2-1/2"] [White "Anatoly Lein"] [Black "Boris Markovich Kogan"] [ECO "A46"] [WhiteElo "2510"] [BlackElo "2440"] [PlyCount "106"] 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 a6 5. O-O Be7 6. c4 O-O 7. Qc2 dxc4 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7 11. Nc3 Nd5 12. Bxe7 Qxe7 13. Nxd5 exd5 14. Qc2 a5 15. e3 g6 16. Rfc1 Rfc8 17. Bh3 f5 18. Bg2 Qd6 19. b3 Nf6 20. Ne5 Bd7 21. Qc5 Qxc5 22. Rxc5 c6 23. Rac1 Be6 24. R5c2 Ra7 25. h3 Kf8 26. f3 Ke7 27. Kf2 Ne8 28. Bf1 Nd6 29. h4 Raa8 30. Bd3 Rg8 31. Rh1 Raf8 32. Kg2 Nf7 33. Nxf7 Rxf7 34. Rc5 Ra8 35. Rb1 Kd6 36. b4 b6 37. Rc3 axb4 38. Rxb4 Rb7 39. Rcb3 Kc7 40. Rb1 Raa7 41. Rc1 Ra5 42. Bb5 Bd7 43. e4 fxe4 44. fxe4 dxe4 45. d5 c5 46. Bxd7 Kxd7 47. Rxe4 Kd6 48. Rd1 Re7 49. Rf4 Kd7 50. Rb1 Kd6 51. Rd1 Kd7 52. Rb1 Kd6 53. Rd1 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.02"] [EventDate "1981.07.00"] [Round "2"] [Result "0-1"] [White "Joel Benjamin"] [Black "Samuel Reshevsky"] [ECO "C90"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "80"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.a3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.b4 Bf8 14.Bb2 g6 15.c4 exd4 16.cxb5 axb5 17.Nxd4 c6 18.Bb3 Bg7 19.N4f3 Ng4 20.Bxg7 Kxg7 21.Nf1 Qf6 22.Qd2 c5 23.h3 Nge5 24.Nxe5 Nxe5 25.f4 Nc6 26.bxc5 Nd4 27.e5 dxe5 28.fxe5 Qc6 29.Ba2 Rxa3 30.Ne3 Rxe5 31.Rad1 Qxc5 32.Qf2 Nf3+ 33.gxf3 Raxe3 34.Rxe3 Rxe3 35.Rd7 Re1+ 36.Kg2 Qg5+ 37.Kh2 Qf4+ 38.Kg2 Bxf3+ 39.Qxf3 Rg1+ 40.Kxg1 Qxf3 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "3"] [Result "0-1"] [White "Leonid Alexandrovich Shamkovich"] [Black "Lev Alburt"] [ECO "B04"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "126"] 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.Bc4 Nb6 6.Bb3 Bg7 7.Ng5 e6 8.Qf3 O-O 9.Qh3 h6 10.Nf3 dxe5 11.dxe5 Nc6 12.Bxh6 Nxe5 13.Nxe5 Bxe5 14.Nc3 Re8 15.Rd1 Qf6 16.Ne4 Qh8 17.c3 Bd7 18.O-O Bc6 19.f4 Bg7 20.Bxg7 Qxh3 21.Nf6+ Kxg7 22.Nxe8+ Rxe8 23.gxh3 Rh8 24.Rd4 Rxh3 25.Re1 Kf6 26.Bd1 Rh4 27.c4 Ke7 28.b4 f5 29.b5 Be4 30.Rf1 Rh3 31.Be2 Ra3 32.Rd2 c6 33.bxc6 Bxc6 34.Rb1 Rc3 35.Rb3 Rc1+ 36.Kf2 Nxc4 37.Bxc4 Rxc4 38.Kg3 g5 39.Rf2 Kf6 40.Re3 gxf4 41.Rxf4 Rc1 42.Kf2 e5 43.Rh4 f4 44.Re1 Rc2+ 45.Re2 Rc3 46.Rh6+ Kg5 47.Re6 e4 48.R6xe4 Bxe4 49.Rxe4 Kg4 50.Re2 b5 51.Rb2 a6 52.Kg2 Ra3 53.Kf2 a5 54.Kf1 Rf3+ 55.Kg2 b4 56.Rc2 Rd3 57.Rb2 Rc3 58.Kg1 a4 59.Rxb4 Rc1+ 60.Kf2 Rc2+ 61.Kg1 Rxa2 62.Rc4 a3 63.Ra4 Kf3 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "3"] [Result "1/2-1/2"] [White "Lubomir Kavalek"] [Black "Joel Benjamin"] [ECO "E12"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "47"] 1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.Nc3 Bb4 5.e3 Bb7 6.Bd3 O-O 7.O-O c5 8.Na4 cxd4 9.exd4 Be7 10.Re1 d6 11.Nc3 Nbd7 12.Bg5 a6 13.Rc1 Re8 14.h3 h6 15.Bf4 Rc8 16.Bh2 Bf8 17.a3 Qc7 18.Rc2 Qb8 19.Nd2 Qa8 20.Bf1 d5 21.cxd5 Nxd5 22.Nde4 Nxc3 23.Nxc3 Nf6 24.Be5 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "3"] [Result "1/2-1/2"] [White "Sergey Gennadyevich Kudrin"] [Black "Anatoly Lein"] [ECO "B91"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "110"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Be7 8.Bg2 Nbd7 9.a4 b6 10.h3 h5 11.O-O Bb7 12.Nd5 Nxd5 13.exd5 Rc8 14.Be3 g6 15.f4 Bf6 16.f5 Bg5 17.Qd2 Bxe3+ 18.Qxe3 g5 19.Nd4 g4 20.Nc6 Qc7 21.Qg5 Nb8 22.Qf6 Rf8 23.hxg4 hxg4 24.Nxe5 Qc5+ 25.Rf2 Nd7 26.Nc6 Qe3 27.Qxd6 Rh8 28.Kf1 a5 29.c4 Rh6 30.f6 Qxf2+ 31.Kxf2 Rxf6+ 32.Qxf6 Nxf6 33.Re1+ Kf8 34.Re3 Nd7 35.Be4 Nc5 36.Bf5 Re8 37.Ne5 Bc8 38.Bxc8 Rxc8 39.Nxg4 Nxa4 40.b3 Nc5 41.Ke2 Re8 42.d6 Rd8 43.Nf6 Rxd6 44.Ne4 Nxe4 45.Rxe4 b5 46.cxb5 Rd5 47.b6 Rb5 48.Ra4 Rxb3 49.Rxa5 Rxb6 50.Kf3 Rb4 51.g4 Kg7 52.Kg3 Kg6 53.Ra6+ f6 54.Ra5 Rc4 55.Rd5 Rb4 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "3"] [Result "1/2-1/2"] [White "Yasser Seirawan"] [Black "Larry Mark Christiansen"] [ECO "A18"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "98"] 1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Ne4 5.Nf3 Nc6 6.Be2 Be7 7.Qc2 Ng5 8.Nxg5 Bxg5 9.cxd5 exd5 10.Bb5 O-O 11.Bxc6 bxc6 12.O-O d4 13.Ne4 Bf4 14.Qxc6 Rb8 15.d3 Bxe5 16.Qc5 Re8 17.b3 Ba6 18.Rd1 Bxd3 19.Bg5 f6 20.Bxf6 Bxf6 21.Nxf6+ Qxf6 22.Rxd3 Re2 23.Qc4+ Kh8 24.Qxd4 Rxf2 25.Qxf6 Rxf6 26.Rc1 Re8 27.Rdc3 h6 28.Rxc7 Re2 29.R7c2 Rff2 30.Rxe2 Rxe2 31.a3 Ra2 32.a4 Rb2 33.Rc3 Kh7 34.h4 Kg6 35.Rg3+ Kh5 36.Rxg7 Kxh4 37.Rxa7 Rxb3 38.Kh2 Ra3 39.a5 Kh5 40.a6 Kg6 41.g3 h5 42.Ra8 Kh6 43.Kg2 Kg7 44.Kf2 Kh7 45.a7 Kg7 46.Ke2 Kh7 47.Kd2 Ra1 48.Kc3 h4 49.gxh4 Ra2 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "3"] [Result "1/2-1/2"] [White "James Tarjan"] [Black "John A Peters"] [ECO "B56"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "98"] 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.f4 e5 7.Nf3 Be7 8.Bd3 Qb6 9.Qe2 exf4 10.Qf2 Qxf2+ 11.Kxf2 g5 12.h4 g4 13.Ng1 g3 14.Ke1 Ng4 15.Nd1 Bf6 16.Bxf4 Nf2 17.Nxf2 Bxb2 18.Rb1 gxf2 19.Kxf2 Bd4+ 20.Be3 Bxe3+ 21.Kxe3 Rg8 22.Kf2 Ne5 23.Nf3 b6 24.a4 Nxd3+ 25.cxd3 Ba6 26.Rbc1 Kd7 27.Rc3 Rac8 28.Rhc1 Rc5 29.d4 Rxc3 30.Rxc3 Rg4 31.Re3 Bb7 32.Ng5 h6 33.Nxf7 Rxh4 34.e5 dxe5 35.Nxe5+ Kc7 36.Rc3+ Kb8 37.g4 Rh2+ 38.Ke3 Bd5 39.Kf4 Rf2+ 40.Ke3 Ra2 41.Nc6+ Bxc6 42.Rxc6 Rxa4 43.Rxh6 Ra1 44.d5 Ra4 45.g5 Rg4 46.Rh8+ Kc7 47.Rh7+ Kd6 48.Rxa7 Rxg5 49.Kd4 Rxd5+ 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "3"] [Result "1-0"] [White "Boris Markovich Kogan"] [Black "Robert Eugene Byrne"] [ECO "E06"] [WhiteElo "2440"] [BlackElo "2510"] [PlyCount "121"] 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O dxc4 7.Qc2 a6 8.a4 Bd7 9.Rd1 Bc6 10.Nc3 Bb4 11.Bg5 Bxc3 12.bxc3 Be4 13.Qb2 Qd5 14.Bxf6 gxf6 15.Ne1 Bxg2 16.Nxg2 Nd7 17.Ne3 Qc6 18.d5 exd5 19.Nxd5 Rae8 20.Rd4 Re5 21.Qd2 Rxd5 22.Rxd5 Nc5 23.Rh5 Re8 24.Rd1 Ne6 25.Qc2 Ng5 26.h4 Qe4 27.Qxe4 Nxe4 28.Rd4 c5 29.Rxc4 b5 30.axb5 axb5 31.Rcxc5 Nxc5 32.Rxc5 Rxe2 33.Rxb5 Rc2 34.Rc5 Kf8 35.Rc7 Kg7 36.Kg2 Kg6 37.Rc5 h5 38.Kf3 Kg7 39.Ke3 Kg6 40.f3 Rc1 41.Kf4 Rc2 42.Rc8 Rc1 43.c4 Rc3 44.c5 Kg7 45.Ke4 f5+ 46.Kd4 Rxf3 47.c6 Rf1 48.Rb8 Rc1 49.Kd5 Kf6 50.Kd6 Rd1+ 51.Kc5 Rc1+ 52.Kb6 Rb1+ 53.Ka7 Ra1+ 54.Kb7 Rb1+ 55.Kc8 Rc1 56.c7 f4 57.gxf4 Kf5 58.Rb4 Kg4 59.f5+ Kxf5 60.Kb7 Ke5 61.c8=Q 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.12"] [EventDate "1981.07.00"] [Round "3"] [Result "1/2-1/2"] [White "Samuel Reshevsky"] [Black "Walter Shawn Browne"] [ECO "E12"] [WhiteElo "?"] [BlackElo "2590"] [PlyCount "68"] 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 c5 5.d5 Ba6 6.Qc2 exd5 7.cxd5 g6 8.Nc3 Bg7 9.e4 Bxf1 10.Kxf1 d6 11.g3 O-O 12.Kg2 Re8 13.Re1 a6 14.a4 Nbd7 15.h3 Qc7 16.g4 c4 17.Bf4 Nc5 18.e5 dxe5 19.Nxe5 Nh5 20.gxh5 Bxe5 21.Bxe5 Rxe5 22.Rxe5 Qxe5 23.Qe2 Qxe2 24.Nxe2 Nd3 25.Nc3 Rd8 26.hxg6 hxg6 27.Rb1 b5 28.axb5 axb5 29.Nxb5 Rxd5 30.Na3 Rg5+ 31.Kf3 Rf5+ 32.Ke3 Nxf2 33.Nxc4 Nxh3 34.b4 Nf4 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "4"] [Result "1/2-1/2"] [White "Lev Alburt"] [Black "Yasser Seirawan"] [ECO "E15"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "51"] 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Nbd2 Bb4 6.Qc2 c5 7.e4 cxd4 8.e5 Bb7 9.Bg2 Ne4 10.O-O Nxd2 11.Bxd2 Bxd2 12.Qxd2 Bxf3 13.Bxf3 Nc6 14.Rfe1 Qc7 15.Bxc6 dxc6 16.Qxd4 Rd8 17.Qf4 O-O 18.Rad1 c5 19.Rd6 Rxd6 20.exd6 Qc6 21.Rd1 Rd8 22.Rd3 f6 23.h4 Kf7 24.Qd2 Qe4 25.b3 a5 26.f3 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "4"] [Result "1-0"] [White "Joel Benjamin"] [Black "Walter Shawn Browne"] [ECO "E12"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "119"] 1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.a3 c5 5.d5 Ba6 6.Qc2 exd5 7.cxd5 d6 8.Nc3 g6 9.g3 Bg7 10.Bg2 O-O 11.O-O Re8 12.Bf4 Nh5 13.Bg5 Qc7 14.Rfe1 Nd7 15.Rac1 Rac8 16.a4 Nhf6 17.h3 Ne5 18.Nxe5 Rxe5 19.Qd2 Ree8 20.Bh6 Bxh6 21.Qxh6 Qe7 22.Qd2 Nd7 23.b3 Qe5 24.e3 f5 25.f4 Qg7 26.Nd1 Nf6 27.Nf2 Rc7 28.e4 Rce7 29.e5 dxe5 30.d6 Re6 31.fxe5 Rxe5 32.Rxe5 Rxe5 33.b4 Qd7 34.Rd1 cxb4 35.Qxb4 Re6 36.Qb3 Bc8 37.Rc1 Kf8 38.Rc7 Qd8 39.Qc3 Bd7 40.Rxa7 Be8 41.Qc1 g5 42.Qxg5 Re1+ 43.Bf1 Bf7 44.Qd2 Re5 45.Bg2 Ra5 46.Rxa5 bxa5 47.Qd4 Bd5 48.Qe5 Bxg2 49.Kxg2 Kg8 50.Qe6+ Kg7 51.Qxf5 Qxd6 52.Qxa5 Qc6+ 53.Kh2 Kg6 54.Qb4 Qd5 55.Qc3 Kf7 56.Qc7+ Kg6 57.Qc3 Qa2 58.Qd4 h5 59.Kg2 Kf7 60.Kg1 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "4"] [Result "1-0"] [White "John Fedorowicz"] [Black "Boris Markovich Kogan"] [ECO "C75"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "209"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 6.O-O Nf6 7.Re1 g6 8.d4 Qe7 9.dxe5 dxe5 10.Bc2 Bg7 11.h3 O-O 12.Be3 Nh5 13.Nbd2 Nd8 14.b4 Ne6 15.Nc4 f6 16.Bb3 Kh8 17.Qc2 Rad8 18.Rad1 Bc8 19.a4 Nhf4 20.Bc1 Rxd1 21.Rxd1 Rd8 22.Ne3 c6 23.Nc4 Rxd1+ 24.Qxd1 Nd8 25.Be3 Be6 26.Bc5 Qe8 27.Bb6 Nf7 28.Na5 Bxb3 29.Nxb3 Bf8 30.Na5 Qc8 31.Be3 Ne6 32.Nd2 Qd7 33.Qe2 b5 34.axb5 axb5 35.Kh2 Kg7 36.Ndb3 Nfd8 37.Bb6 Be7 38.Qe3 Kf7 39.Nc5 Bxc5 40.Bxc5 Nf4 41.c4 Qd1 42.cxb5 Qf1 43.Qf3 cxb5 44.h4 Nde6 45.Be3 Qd3 46.Nc6 Qc4 47.Na7 Qxb4 48.g3 Nh5 49.Qd1 Nd4 50.Bxd4 exd4 51.Nc6 Qc4 52.Nxd4 Ng7 53.Qa1 Qc5 54.Qa2+ Ke7 55.Qb2 Qc4 56.Nxb5 Qxe4 57.Qa3+ Ke6 58.Qa6+ Ke7 59.Qa3+ Ke6 60.Qa2+ Ke7 61.Qg8 Ne6 62.Qxh7+ Kd8 63.Qa7 g5 64.Qa5+ Kd7 65.Qa7+ Kd8 66.Qb6+ Ke7 67.Qd6+ Kf7 68.Qd7+ Kg6 69.Qe8+ Kg7 70.Qe7+ Kg6 71.Qe8+ Kg7 72.Qe7+ Kg6 73.h5+ Kxh5 74.Qxf6 g4 75.Nd6 Qf3 76.Qh8+ Kg6+ 77.Qe8+ Kg7 78.Qe7+ Kh8 79.Nf7+ Kg8 80.Nh6+ Kh8 81.Qf7 Qxf7 82.Nxf7+ Kg7 83.Ne5 Kf6 84.Nxg4+ Kf5 85.f3 Kg5 86.Kg2 Kf5 87.Nf2 Ke5 88.Nh3 Kd4 89.Kf2 Nc5 90.g4 Nd3+ 91.Kg3 Ke5 92.f4+ Kf6 93.Nf2 Nc5 94.Kf3 Kf7 95.g5 Ne6 96.Kg4 Kg7 97.f5 Nf8 98.Ne4 Kf7 99.Kh5 Kg7 100.g6 Nd7 101.f6 Kg8 102.Kg5 Kh8 103.Kf5 Kg8 104.Ng5 Kh8 105.Ke6 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "4"] [Result "1/2-1/2"] [White "Robert Eugene Byrne"] [Black "Sergey Gennadyevich Kudrin"] [ECO "B72"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "82"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O Nc6 8.Nb3 O-O 9.Bg5 a6 10.a4 Be6 11.f3 Na5 12.Nxa5 Qxa5 13.Qd2 Rfc8 14.Rab1 Bc4 15.Bd3 b5 16.axb5 axb5 17.Rfd1 b4 18.Ne2 Qb6+ 19.Be3 Qb8 20.c3 Bxd3 21.Qxd3 Nd7 22.Nf4 Ne5 23.Qe2 e6 24.Bd4 Nc4 25.Nd3 Bxd4+ 26.cxd4 Qb6 27.Qf2 b3 28.Rbc1 d5 29.exd5 exd5 30.Rc3 Ra2 31.Ne5 Qb4 32.Nxc4 Rxc4 33.Re3 Ra8 34.Qe1 Qxe1+ 35.Rdxe1 Rb8 36.Re8+ Rxe8 37.Rxe8+ Kg7 38.Re3 Rc1+ 39.Kf2 Rc2+ 40.Re2 Rc1 41.Re3 Rc2+ 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "4"] [Result "1/2-1/2"] [White "John A Peters"] [Black "Leonid Alexandrovich Shamkovich"] [ECO "B45"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "53"] 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 d6 6.g3 a6 7.Bg2 Bd7 8.O-O Nf6 9.Nxc6 Bxc6 10.Re1 Rc8 11.a4 Be7 12.Be3 O-O 13.a5 Nd7 14.Na4 g6 15.c4 b5 16.axb6 Bxa4 17.Qxa4 Nxb6 18.Qxa6 Nxc4 19.Bd4 Bf6 20.Bxf6 Qxf6 21.Rac1 Qd4 22.Red1 Qb6 23.Qxb6 Nxb6 24.b4 Rxc1 25.Rxc1 Rc8 26.Rd1 Rc4 27.Rxd6 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "4"] [Result "1/2-1/2"] [White "Lubomir Kavalek"] [Black "James Tarjan"] [ECO "B90"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "70"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.a4 Nxe4 8.Nxe4 d5 9.Bd3 dxe4 10.Bxe4 Nd7 11.O-O Be7 12.c3 Nc5 13.Bc2 e5 14.Nf5 Qxd1 15.Rxd1 Bxf5 16.Bxf5 Nb3 17.Rb1 Nxc1 18.Rbxc1 Rb8 19.Rd5 Bf6 20.b4 O-O 21.c4 b6 22.Kf1 Rb7 23.c5 bxc5 24.bxc5 Rd8 25.Rxd8+ Bxd8 26.Bc8 Rb4 27.Rd1 Ba5 28.Bxa6 Rxa4 29.c6 Kf8 30.Bb5 Rb4 31.Be2 Rb2 32.g3 Rc2 33.Rd5 Bb6 34.Rxe5 Rxc6 35.Bb5 Rc1+ 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.14"] [EventDate "1981.07.00"] [Round "4"] [Result "0-1"] [White "Anatoly Lein"] [Black "Samuel Reshevsky"] [ECO "E17"] [WhiteElo "2555"] [BlackElo "?"] [PlyCount "76"] 1.d4 Nf6 2.Nf3 e6 3.g3 b6 4.Bg2 Bb7 5.O-O Be7 6.c4 O-O 7.Nc3 Ne4 8.Bd2 Bf6 9.Rc1 d6 10.Qc2 Nxd2 11.Qxd2 Nd7 12.Rfd1 g6 13.b4 Qe7 14.Rb1 Rfd8 15.e4 c6 16.Re1 Rac8 17.Qe3 Bg7 18.Qd2 Ba6 19.b5 cxb5 20.cxb5 Bb7 21.a4 Rc7 22.Rb3 Rdc8 23.Qd3 Qf6 24.Ra3 Bf8 25.Bh3 h5 26.Rb3 Bg7 27.Re3 Bh6 28.Re1 g5 29.Bg2 Bg7 30.Rd1 g4 31.e5 dxe5 32.Nxe5 Bxg2 33.Nxd7 Qf3 34.Ne5 Bxe5 35.dxe5 Rxc3 36.Rxc3 Rxc3 37.Qd2 Kh7 38.Rc1 Bh3 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "5"] [Result "1-0"] [White "James Tarjan"] [Black "Joel Benjamin"] [ECO "B16"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "81"] 1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6 6.c3 Bf5 7.Ne2 Nd7 8.Ng3 Bg6 9.h4 h5 10.Be2 Qa5 11.b4 Qc7 12.Nxh5 e5 13.Ng3 O-O-O 14.h5 Bh7 15.O-O Bd6 16.Bg4 e4 17.Nf5 Bh2+ 18.Kh1 Bf4 19.Bxf4 Qxf4 20.g3 Qc7 21.Re1 Rde8 22.Kg2 Kb8 23.Qc2 Nf8 24.Rxe4 Ne6 25.Qe2 Reg8 26.Rh1 Bxf5 27.Bxf5 Nf4+ 28.Rxf4 Qxf4 29.Qf3 Qd2 30.a4 Rd8 31.a5 a6 32.Qe3 Qa2 33.h6 Qd5+ 34.Qf3 Qd6 35.h7 Rde8 36.Rh4 Ka7 37.Re4 Qf8 38.Rxe8 Qxe8 39.Qe3 Qd8 40.d5 Kb8 41.Qf4+ 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "5"] [Result "1-0"] [White "Sergey Gennadyevich Kudrin"] [Black "John Fedorowicz"] [ECO "B80"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "81"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g3 Bd7 7.Bg2 Nc6 8.O-O Be7 9.Be3 O-O 10.f4 Re8 11.Nb3 e5 12.f5 Rc8 13.Qe2 Na5 14.Nxa5 Qxa5 15.Rad1 Rxc3 16.bxc3 h6 17.c4 Qa6 18.g4 Nh7 19.Rfe1 b6 20.c3 Rc8 21.Bf1 Bc6 22.Qg2 Qa5 23.Rd3 Bb7 24.c5 bxc5 25.g5 hxg5 26.Bc1 d5 27.Rh3 c4 28.Qg4 Rc6 29.exd5 Nf6 30.Qxg5 Nxd5 31.Rxe5 f6 32.Rxd5 Qxd5 33.Qh5 Bc5+ 34.Be3 Rc8 35.Kf2 Qe5 36.Qh8+ Kf7 37.Bxc4+ Ke7 38.Qxg7+ Kd6 39.Qxb7 Bxe3+ 40.Rxe3 Qxh2+ 41.Ke1 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "5"] [Result "1/2-1/2"] [White "Boris Markovich Kogan"] [Black "Larry Mark Christiansen"] [ECO "E67"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "130"] 1.d4 g6 2.g3 Bg7 3.Bg2 d6 4.Nf3 Nf6 5.O-O O-O 6.c4 Nbd7 7.Nc3 e5 8.h3 Re8 9.e4 a6 10.Re1 Rb8 11.d5 b5 12.cxb5 axb5 13.b4 Nb6 14.Bg5 Bd7 15.Nd2 h6 16.Be3 Nh7 17.h4 f5 18.h5 f4 19.Bxb6 Rxb6 20.hxg6 Ng5 21.Qh5 Rf8 22.Nf3 Nxf3+ 23.Bxf3 Qf6 24.Rf1 Be8 25.Qg4 Kh8 26.Kg2 Bxg6 27.Qe6 Qg5 28.Qg4 Qxg4 29.Bxg4 c5 30.Rab1 c4 31.Bd7 f3 32.Kh3 h5 33.Bxb5 Bh6 34.Rb2 h4 35.Bd7 hxg3 36.fxg3 Be3 37.Bf5 Bxf5+ 38.exf5 Bd4 39.Rc2 Rxf5 40.Kg4 Rf7 41.Rxf3 Rg7+ 42.Kh3 Rxb4 43.Rf6 Rd7 44.Kg4 e4 45.Rf8+ Kg7 46.Rc8 e3 47.a3 Rb3 48.Rxc4 Bxc3+ 49.R2xc3 e2 50.Rc1 Re7 51.Re1 Rxa3 52.Kh3 Ree3 53.Rg4+ Kf6 54.Kg2 Kf5 55.Rg8 Ke4 56.Kf2 Kd3 57.Rb8 Kd4 58.Rxe2 Rf3+ 59.Ke1 Ra1+ 60.Kd2 Rxg3 61.Kc2 Rgg1 62.Rd2+ Kc5 63.Rc8+ Kb6+ 64.Rc6+ Kb5 65.Kd3 Rad1 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "5"] [Result "0-1"] [White "Leonid Alexandrovich Shamkovich"] [Black "Lubomir Kavalek"] [ECO "E69"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "84"] 1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.d4 d6 6.Nc3 Nbd7 7.O-O e5 8.h3 c6 9.e4 Qb6 10.b3 exd4 11.Na4 Qc7 12.Nxd4 b6 13.Nc3 Bb7 14.Bf4 a6 15.Qd2 Rfe8 16.Rad1 Rad8 17.Rfe1 b5 18.cxb5 axb5 19.Qc2 Qb8 20.b4 Ne5 21.Nb3 Nfd7 22.Na5 Ba8 23.a3 Nb6 24.Bc1 Nec4 25.Nxc4 Nxc4 26.Qb3 d5 27.exd5 Rxe1+ 28.Rxe1 cxd5 29.Bf4 Qb6 30.Bg5 f6 31.Bc1 d4 32.Na4 Qa7 33.Nc5 Bxg2 34.Kxg2 Qa8+ 35.f3 Qd5 36.Qd3 Ne5 37.Qb3 Qxb3 38.Nxb3 d3 39.Rd1 Nc4 40.g4 d2 41.Kf2 Bh6 42.Nxd2 Bxd2 0-1 [Event "USA-ch/zt"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "5"] [Result "1/2-1/2"] [White "Walter S Browne"] [Black "Anatoly Lein"] [ECO "A46"] [WhiteElo "2570"] [BlackElo "2510"] [PlyCount "84"] 1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. g3 Bg7 5. Bg2 O-O 6. Nc3 a6 7. O-O c6 8. d5 cxd5 9. cxd5 Nbd7 10. Be3 Nc5 11. Rc1 Ng4 12. Bd4 Bh6 13. e3 Nf6 14. b4 Nce4 15. Nxe4 Nxe4 16. Qc2 Nf6 17. Nd2 Bg7 18. Qc7 Nd7 19. Bxg7 Kxg7 20. Nb3 Rb8 21. Na5 Qxc7 22. Rxc7 Kf6 23. Rfc1 Nb6 24. Kf1 Na8 25. R7c3 Bd7 26. Ke2 h5 27. Kd3 h4 28. Kd4 Rh8 29. f4 hxg3 30. hxg3 Rh2 31. R1c2 Ba4 32. Rf2 Bd7 33. e4 Kg7 34. Rfc2 Ba4 35. Nb3 g5 36. Bf3 Rh3 37. Bg4 Rhh8 38. e5 Rbd8 39. Bf3 Bxb3 40. axb3 Nb6 41. fxg5 dxe5+ 42. Kxe5 1/2-1/2 [Event "USA-ch/zt"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "5"] [Result "1/2-1/2"] [White "Yasser Seirawan"] [Black "John A Peters"] [ECO "A34"] [WhiteElo "2565"] [BlackElo "2445"] [PlyCount "58"] 1. c4 Nf6 2. Nc3 c5 3. Nf3 d5 4. cxd5 Nxd5 5. e4 Nb4 6. Bc4 Nd3+ 7. Ke2 Nf4+ 8. Kf1 Ne6 9. b4 cxb4 10. Nd5 g6 11. Bb2 Bg7 12. Bxg7 Nxg7 13. Qc1 Nc6 14. d4 Be6 15. h4 Rc8 16. h5 Nxh5 17. Qh6 Nxd4 18. Nxd4 Rxc4 19. Nxe6 fxe6 20. Rxh5 exd5 21. Rxd5 Qb6 22. Rad1 Rc8 23. R5d2 Qf6 24. Kg1 Rf8 25. Qh3 Qc6 26. Rd6 Qc4 27. R6d4 Qc6 28. Rd6 Qc4 29. R6d4 Qc6 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.15"] [EventDate "1981.07.00"] [Round "5"] [Result "1/2-1/2"] [White "Samuel Reshevsky"] [Black "Robert Eugene Byrne"] [ECO "D37"] [WhiteElo "?"] [BlackElo "2560"] [PlyCount "35"] 1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.cxd5 exd5 9.Be2 Nc6 10.O-O Be6 11.Rc1 Rc8 12.Bg5 Be7 13.Nd4 Nxd4 14.Qxd4 Qa5 15.a3 Rc6 16.e4 dxe4 17.Nxe4 Rd8 18.Qe3 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "6"] [Result "1-0"] [White "Larry Mark Christiansen"] [Black "Lev Alburt"] [ECO "B04"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "65"] 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Nb6 5.a4 a5 6.Nc3 Bg4 7.h3 Bh5 8.e6 fxe6 9.Be2 Bxf3 10.Bxf3 c6 11.Qe2 g6 12.Ne4 Na6 13.Ng5 Nc7 14.Bg4 Bh6 15.Nxe6 Nxe6 16.Bxe6 Bxc1 17.Rxc1 Nxa4 18.O-O d5 19.b3 Nb6 20.Qe5 Rf8 21.Qg7 Qd6 22.Rce1 Qf4 23.Bd7+ Kxd7 24.Rxe7+ Kd8 25.Rxb7 Ra6 26.Qe7+ Kc8 27.g3 Rf7 28.Qxf7 Qxf7 29.Rxf7 a4 30.Re1 Kd8 31.bxa4 Rxa4 32.Rb1 Ra6 33.Rxh7 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "6"] [Result "0-1"] [White "Boris Markovich Kogan"] [Black "Joel Benjamin"] [ECO "A31"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "82"] 1.Nf3 c5 2.c4 Nf6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d5 6.cxd5 Bc5 7.N5c3 O-O 8.e3 e4 9.Nd2 Bf5 10.g3 Nbd7 11.Bg2 Re8 12.O-O Rc8 13.h3 h5 14.b3 Bb4 15.Nb5 a6 16.Nd4 Bg6 17.Bb2 Ne5 18.a3 Bd6 19.Ne2 h4 20.Nf4 hxg3 21.fxg3 Bh7 22.Bd4 Bc5 23.Nc4 Nf3+ 24.Bxf3 exf3 25.Bxc5 Rxc5 26.Qd4 Rb5 27.Rxf3 Be4 28.Rf2 Nxd5 29.Rd1 Qg5 30.Kh2 Nf6 31.Nd6 Rd8 32.Qc4 Rxd6 33.Rxd6 Rc5 34.Rd8+ Kh7 35.Qxf7 Rc1 36.Ng2 Qxe3 37.Rdd2 Bc6 38.Rde2 Qh6 39.Rf4 Bd5 40.Qe7 Qxh3+ 41.Kxh3 Rh1+ 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "6"] [Result "1/2-1/2"] [White "John Fedorowicz"] [Black "John A Peters"] [ECO "C91"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "124"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.d4 Bg4 10.d5 Na5 11.Bc2 c6 12.h3 Bc8 13.dxc6 Qc7 14.Nbd2 Qxc6 15.Nf1 Re8 16.Ng3 g6 17.Bh6 Be6 18.Qc1 Nd7 19.Ng5 Rac8 20.Nxe6 fxe6 21.Bd1 Nb7 22.Bg4 Nd8 23.Qd1 Bh4 24.a4 Nf7 25.axb5 axb5 26.Bd2 Nc5 27.Qc2 Qb6 28.Kh2 Rc7 29.Re2 h5 30.Bf3 Ng5 31.Bxg5 Bxg5 32.Nf1 Rf8 33.Rd1 Kg7 34.Ne3 Qa6 35.Red2 Be7 36.Kg1 Qa4 37.Qb1 Nb3 38.Rxd6 Bxd6 39.Rxd6 Nc5 40.Kh2 Re7 41.b4 Nb7 42.Rb6 Rd8 43.Qb2 Rd6 44.Rxd6 Nxd6 45.Qd2 Qa6 46.Nc2 Rc7 47.Ne3 Qc6 48.Nd1 Qd7 49.Nb2 Nf7 50.Nd3 Rc4 51.h4 Nd8 52.g3 Nf7 53.Kg2 Rc7 54.Kf1 Qd6 55.Ke2 Ra7 56.Qe3 Ra2+ 57.Kf1 Rc2 58.Nc5 Qd2 59.Nxe6+ Kf6 60.Qxd2 Rxd2 61.Nc7 Nd6 62.Nd5+ Kf7 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "6"] [Result "1-0"] [White "Walter Shawn Browne"] [Black "Leonid Alexandrovich Shamkovich"] [ECO "D25"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "213"] 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4 5.Bxc4 e6 6.h3 Bh5 7.Nc3 a6 8.g4 Bg6 9.Ne5 Bd6 10.Qf3 Bxe5 11.dxe5 Nfd7 12.Qxb7 Nxe5 13.Qxa8 Nxc4 14.O-O O-O 15.Qg2 f5 16.Rd1 Nd7 17.gxf5 Bh5 18.fxe6 Bxd1 19.Qd5 Bf3 20.e7 Bxd5 21.exd8=Q Rxd8 22.Nxd5 Ndb6 23.Nxb6 Rd1+ 24.Kg2 cxb6 25.b3 Nd6 26.Kf3 Rh1 27.Kg2 Rd1 28.Bb2 Rd2 29.Bc3 Rc2 30.Be1 Ne4 31.b4 Nd6 32.Rd1 Nc4 33.Kf3 b5 34.Rd8+ Kf7 35.Rd7+ Kg6 36.Ra7 Rxa2 37.Bc3 Ra3 38.Bd4 h5 39.Rxg7+ Kf5 40.Rf7+ Kg6+ 41.Rc7 Ra4 42.Kf4 Rxb4 43.Rc6+ Kf7 44.Rxa6 Ra4 45.Rh6 b4 46.Rxh5 b3 47.Rb5 b2 48.Rb8 Ke6 49.Kg3 Ra8 50.Rb4 Ra4 51.Rb8 Ra8 52.Rb4 Ra4 53.Rb7 Nd6 54.Rb6 b1=Q 55.Rxb1 Nf5+ 56.Kg4 Nxd4 57.exd4 Rxd4+ 58.f4 Rd2 59.Rb6+ Kf7 60.h4 Rd5 61.Rb7+ Kf6 62.h5 Rd1 63.Rb6+ Kg7 64.Rb7+ Kh6 65.Rb6+ Kg7 66.Rg6+ Kf7 67.Ra6 Kg7 68.Kg5 Rg1+ 69.Kf5 Rb1 70.Rg6+ Kf7 71.Kg5 Rg1+ 72.Kh6 Rf1 73.Rg4 Kf6 74.Kh7 Kf7 75.h6 Rf2 76.Rg7+ Kf8 77.Kg6 Rg2+ 78.Kf6 Rh2 79.Rg6 Rh1 80.Ke6 Re1+ 81.Kf5 Rh1 82.Kg5 Rg1+ 83.Kf6 Rh1 84.f5 Rh2 85.Kg5 Rg2+ 86.Kf4 Rh2 87.Kg5 Rg2+ 88.Kf4 Rh2 89.Ra6 Kg8 90.Kg5 Rg2+ 91.Kf6+ Kh7 92.Kf7 Rb2 93.Re6 Rb5 94.f6 Rb8 95.Re8 Rb1 96.Ke7 Rb7+ 97.Ke6+ Rb6+ 98.Kf5 Rb5+ 99.Re5 Rb1 100.f7 Rf1+ 101.Ke6 Kg6 102.Rg5+ Kxg5 103.h7 Re1+ 104.Kd6 Rf1 105.h8=Q Rxf7 106.Qg8+ Kf6 107.Qg4 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "6"] [Result "0-1"] [White "Anatoly Lein"] [Black "James Tarjan"] [ECO "E12"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "118"] 1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.Nc3 Bb7 5.Bf4 Be7 6.e3 Nh5 7.Bd3 d6 8.Bg3 Nd7 9.Qc2 g6 10.d5 a5 11.Nd4 Nc5 12.Be2 Nxg3 13.hxg3 Bf6 14.Bf3 Qc8 15.O-O-O O-O 16.Rh2 Kg7 17.Ncb5 Rb8 18.Rdh1 Rh8 19.g4 Qd7 20.dxe6 fxe6 21.Bxb7 Rxb7 22.Nf3 Qe7 23.Nbd4 Kg8 24.g5 Bg7 25.Nb5 c6 26.Nc3 b5 27.cxb5 cxb5 28.Ne4 Rc7 29.Kb1 Bxb2 30.Nxc5 Bg7 31.Qe4 Rxc5 32.Nd4 Bxd4 33.exd4 Rxg5 34.Re1 Kf7 35.d5 Rxd5 36.Rh3 Re5 37.Qf3+ Rf5 38.Qc3 Qf6 39.Qc7+ Qe7 40.Qc3 e5 41.Qxa5 Kg7 42.Rc3 Rd8 43.f3 Rf7 44.Rc6 Rd7 45.Qxb5 Rb7 46.Rb6 Rxb6 47.Qxb6 Qb7 48.Qxb7 Rxb7+ 49.Kc2 Kf6 50.a4 Ke6 51.a5 Kd5 52.a6 Ra7 53.Ra1 Kc4 54.g4 Kb5 55.Kd3 Rxa6 56.Rh1 Ra7 57.Rc1 d5 58.Rc8 Re7 59.Ke3 Kb6 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "6"] [Result "1/2-1/2"] [White "Robert Eugene Byrne"] [Black "Lubomir Kavalek"] [ECO "B18"] [WhiteElo "2510"] [BlackElo "2595"] [PlyCount "34"] 1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.N1e2 e6 7.Nf4 Bd6 8.Nxg6 hxg6 9.Ne4 Be7 10.g3 Nf6 11.Bg2 Nxe4 12.Bxe4 Nd7 13.O-O Qa5 14.c3 Nf6 15.Bg2 Rd8 16.Re1 Rd7 17.Qe2 Qh5 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.14"] [EventDate "1981.07.00"] [Round "6"] [Result "1/2-1/2"] [White "Samuel Reshevsky"] [Black "Yasser Seirawan"] [ECO "E12"] [WhiteElo "?"] [BlackElo "2653"] [PlyCount "48"] 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 exd5 7.Bg5 Nbd7 8.g3 Be7 9.Bxf6 Nxf6 10.Qa4+ c6 11.Bg2 O-O 12.O-O c5 13.Rfd1 Qe8 14.Qc2 Rd8 15.a4 a6 16.a5 b5 17.dxc5 Bxc5 18.e3 Qe7 19.Nd4 Rfe8 20.Rac1 Bb4 21.Nb3 Ne4 22.Nxe4 dxe4 23.Rxd8 Rxd8 24.Nd4 Bxa5 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "7"] [Result "0-1"] [White "Joel Benjamin"] [Black "Lev Alburt"] [ECO "B05"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "78"] 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Be7 7.c4 Nb6 8.exd6 cxd6 9.Nbd2 O-O 10.b3 Nc6 11.Bb2 Bf5 12.a3 a5 13.Re1 Bf6 14.Bf1 d5 15.c5 Nd7 16.Rc1 Qb8 17.Bb5 Rc8 18.b4 axb4 19.axb4 b6 20.Qe2 bxc5 21.bxc5 Ra5 22.Bxc6 Rxc6 23.Ra1 Raxc5 24.dxc5 Bxb2 25.Ra6 Rxa6 26.Qxa6 Nxc5 27.Qa5 Nd3 28.Rd1 h6 29.Nf1 Nf4 30.Ne3 Be4 31.Nd2 Bc3 32.Qa2 Bxg2 33.Nb1 Bf3 34.Nxc3 Nh3+ 35.Kf1 Qxh2 36.Ke1 Qg1+ 37.Nf1 Nf4 38.Qa7 Ng2+ 39.Kd2 Bxd1 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "7"] [Result "1-0"] [White "Lubomir Kavalek"] [Black "John Fedorowicz"] [ECO "A22"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "112"] 1.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Nf3 e4 5.Nd4 O-O 6.Bg2 Bxc3 7.dxc3 h6 8.Qc2 Re8 9.Bf4 d6 10.O-O-O Nbd7 11.f3 Nc5 12.g4 a6 13.Kb1 Bd7 14.Bc1 b5 15.cxb5 axb5 16.g5 Nh5 17.gxh6 g6 18.fxe4 Qe7 19.e5 dxe5 20.Bd5 Kh8 21.Nc6 Qh4 22.Rhf1 Ra6 23.Nb4 Rf6 24.Bxf7 Rf8 25.Rxf6 Qxf6 26.Bxg6 Nf4 27.Be3 Nxg6 28.Bxc5 Rf7 29.Nd5 Qc6 30.b4 Bf5 31.e4 Bg4 32.Rg1 Bf3 33.Ka1 Qe6 34.Qd3 c6 35.Ne3 Kh7 36.Nf5 Bxe4 37.Qxe4 Rxf5 38.Rd1 Rf4 39.Qd3 Rf7 40.h4 e4 41.Qd4 Qh3 42.Qxe4 Rf4 43.Qc2 Rxh4 44.Re1 Rf4 45.Be3 Rf1 46.Rxf1 Qxf1+ 47.Bc1 Qf3 48.c4 Qf6+ 49.Kb1 Qe7 50.a3 Qe6 51.cxb5 cxb5 52.Qd3 Qc6 53.Qd4 Qb7 54.Ka1 Qe7 55.Qd5 Qf6+ 56.Kb1 Ne5 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "7"] [Result "1-0"] [White "Boris Markovich Kogan"] [Black "Sergey Gennadyevich Kudrin"] [ECO "E02"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "141"] 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Nd2 a6 7.Nxc4 b5 8.Qc2 Nd5 9.Ne3 Bb4+ 10.Bd2 Nxe3 11.fxe3 Bxd2+ 12.Qxd2 Rb8 13.Rc1 O-O 14.Nh3 Nf6 15.Nf2 Bb7 16.Bxb7 Rxb7 17.e4 Rb6 18.e5 Nd5 19.O-O f5 20.Nd3 Rf7 21.Rc5 g5 22.Nb4 Nxb4 23.Qxb4 f4 24.Qc3 b4 25.Qd3 Rb5 26.Rxb5 axb5 27.Qe4 Rd7 28.gxf4 Rxd4 29.Qc6 Rxf4 30.Qxe6+ Kh8 31.Rxf4 gxf4 32.Qf5 Qd4+ 33.Kg2 Kg7 34.Qf6+ Kg8 35.Qe6+ Kf8 36.Qc8+ Ke7 37.Qxc7+ Ke6 38.Qxh7 Qxe5 39.Qg6+ Ke7 40.Qh7+ Ke6 41.Qg6+ Ke7 42.Qc2 Qd5+ 43.Kf2 Qd4+ 44.Kf1 Kf6 45.Qc6+ Kg7 46.Qxb5 Qe4 47.Qc5 Qb1+ 48.Kf2 Qxb2 49.Qg5+ Kh7 50.Qf5+ Kh8 51.Qf8+ Kh7 52.Qf7+ Kh8 53.Qxf4 Qxa2 54.Qf8+ Kh7 55.Qxb4 Qa7+ 56.Kf3 Qf7+ 57.Qf4 Qh5+ 58.Kf2 Qc5+ 59.Kf1 Qc2 60.Kf2 Qc5+ 61.e3 Qc1 62.Kg3 Qg1+ 63.Kh4 Qb1 64.e4 Qe1+ 65.Kg5 Qg1+ 66.Kh5 Qd1+ 67.Qg4 Qd6 68.Qf5+ Kg7 69.h4 Qh6+ 70.Kg4 Kh8 71.Qh5 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "7"] [Result "0-1"] [White "John A Peters"] [Black "Larry Mark Christiansen"] [ECO "B06"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "162"] 1.e4 d6 2.d4 g6 3.Nc3 Bg7 4.Be3 c6 5.a4 Nf6 6.h3 O-O 7.Nf3 Nbd7 8.e5 dxe5 9.dxe5 Nd5 10.Nxd5 cxd5 11.Bd4 Qc7 12.Qe2 Nc5 13.Qe3 Ne6 14.Bc3 Rd8 15.O-O-O Bd7 16.Rxd5 Bxa4 17.Ra5 Bc6 18.Be2 b6 19.Ra3 Rac8 20.Rd1 Rxd1+ 21.Bxd1 Rd8 22.Be2 Qd7 23.Kb1 Qb7 24.g3 Bh6 25.Qxh6 Bxf3 26.Qe3 Bxe2 27.Qxe2 b5 28.Qe1 Rd5 29.b3 a6 30.Ra1 Qc6 31.Kb2 Rd8 32.Qe3 Rc8 33.Rc1 Nc7 34.Ba5 Nd5 35.Qe4 Qc5 36.Rd1 e6 37.Be1 b4 38.Rd4 Nc3 39.Bxc3 Qxc3+ 40.Kb1 a5 41.Rc4 Rxc4 42.bxc4 a4 43.Qa8+ Kg7 44.Qxa4 Qxc4 45.Qa7 b3 46.cxb3 Qxb3+ 47.Kc1 Qc3+ 48.Kd1 Qxe5 49.h4 Qe4 50.Kd2 Kf6 51.Qa1+ Qe5 52.Qa7 h5 53.Kd3 Qe1 54.Qd4+ e5 55.Qd6+ Kg7 56.Qb6 e4+ 57.Kc4 Qe2+ 58.Kd5 Qd3+ 59.Ke5 Qf3 60.Qe3 Qf5+ 61.Kd4 Kf6 62.Kc4 Qe5 63.Qd2 Qe6+ 64.Kc3 Qc8+ 65.Kb3 Ke6 66.Qd4 Qc6 67.Qe3 f6 68.Kb2 Qd5 69.Kc2 Qe5 70.Kd2 Kf5 71.f3 Qd5+ 72.Ke2 exf3 73.Qxf3+ Qxf3+ 74.Kxf3 Ke5 75.Ke3 g5 76.hxg5 fxg5 77.Kf3 Kd4 78.Ke2 Ke4 79.Kf2 Kd3 80.Kf3 g4 81.Kf4 Ke2 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "7"] [Result "1/2-1/2"] [White "Leonid Alexandrovich Shamkovich"] [Black "Anatoly Lein"] [ECO "B06"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "102"] 1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Bc4 c6 5.Bb3 Nf6 6.Qe2 e5 7.dxe5 dxe5 8.Nbd2 Nh5 9.Nc4 O-O 10.Bg5 Qc7 11.O-O-O Na6 12.Qd2 Bg4 13.Qd6 Qxd6 14.Rxd6 Nc5 15.Re1 Rfe8 16.Kb1 Nxb3 17.axb3 f6 18.Be3 Bf8 19.Rd2 Ng7 20.Red1 b6 21.Nd6 Reb8 22.Nc4 Ne8 23.c3 Rb7 24.Rd8 Rab8 25.Kc2 Be7 26.R8d2 Rc7 27.b4 Rbb7 28.Ra1 Be6 29.b3 Bxc4 30.bxc4 Nd6 31.Kd3 b5 32.c5 Nc4 33.Rda2 a5 34.bxa5 Rd7+ 35.Ke2 Nxe3 36.Kxe3 Bxc5+ 37.Ke2 Kf7 38.Ne1 Bd6 39.a6 Rbc7 40.Nd3 Ke7 41.Rc1 Kd8 42.c4 bxc4 43.Ra4 Ke7 44.Re1 Rd8 45.Nb2 Ra8 46.Rea1 Bc5 47.Nd3 Bd4 48.Rc1 Kd6 49.Rc2 Kd7 50.Raa2 Rb8 51.Rxc4 Kd8 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "7"] [Result "0-1"] [White "James Tarjan"] [Black "Robert Eugene Byrne"] [ECO "B90"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "88"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.O-O b5 8.Bb3 Be7 9.f4 O-O 10.e5 dxe5 11.fxe5 Nfd7 12.Be3 Nxe5 13.Qh5 Nc4 14.Bxc4 bxc4 15.Rf3 g6 16.Rg3 Bd6 17.Rg5 Bf4 18.Qf3 Bxg5 19.Bxg5 Qxd4+ 20.Kh1 Ra7 21.Rd1 Qe5 22.Bf4 Qf5 23.Bxb8 Qxf3 24.gxf3 Rb7 25.Bd6 Rd8 26.Be5 Rxd1+ 27.Nxd1 Rd7 28.Ne3 Rd2 29.f4 Bb7+ 30.Kg1 Kf8 31.Bf6 Re2 32.Bd4 Bd5 33.b4 cxb3 34.axb3 h5 35.h4 Ke7 36.c4 Bc6 37.b4 f6 38.Bc5+ Kf7 39.Bd4 e5 40.fxe5 fxe5 41.Bc5 Rb2 42.Bd6 Ke6 43.Bf8 Be4 44.Bc5 g5 0-1 [Event "USA-ch/zt"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "7"] [Result "1/2-1/2"] [White "Yasser Seirawan"] [Black "Walter S Browne"] [ECO "E15"] [WhiteElo "2565"] [BlackElo "2570"] [PlyCount "104"] 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 c6 8. e4 d5 9. Qc2 dxe4 10. Nxe4 Bb7 11. Bg2 c5 12. Neg5 O-O 13. dxc5 h6 14. Nh3 Be4 15. Qb2 bxc5 16. O-O Qb6 17. Bc3 Qb7 18. Qe2 Nbd7 19. Nf4 Rfe8 20. Rfe1 a5 21. a4 Bc6 22. Rab1 Bd6 23. Red1 Qc7 24. Qe3 Ra7 25. Ne2 Ne4 26. Nd2 Nxd2 27. Qxd2 Bxg2 28. Kxg2 Qc6+ 29. f3 Ne5 30. Qxd6 Qxf3+ 31. Kg1 Ng4 32. Qxc5 Qxe2 33. Rd2 Qe4 34. Rc1 Rb7 35. Qd4 Qxd4+ 36. Rxd4 Ne5 37. Rd6 Nf3+ 38. Kg2 Ng5 39. Bxa5 Rxb3 40. c5 Ne4 41. Rd8 Rxd8 42. Bxd8 Kf8 43. c6 Rb8 44. Bc7 Rc8 45. Be5 f6 46. Bb2 Ke8 47. Ba3 Kd8 48. Kf3 Ra8 49. Bf8 Rxa4 50. Bxg7 h5 51. h4 Kc7 52. Re1 Nxg3 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "8"] [Result "1/2-1/2"] [White "Joel Benjamin"] [Black "Robert Eugene Byrne"] [ECO "C53"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "131"] 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 d6 6.Nbd2 O-O 7.O-O a6 8.a4 Bd7 9.b4 Ba7 10.Bb3 Ne7 11.Nc4 Ng6 12.Be3 h6 13.Bxa7 Rxa7 14.Re1 Ra8 15.h3 Qe7 16.Ne3 Rae8 17.Nh2 Nh7 18.Nhf1 Nf4 19.Ng3 Qg5 20.Ra2 h5 21.Kh2 g6 22.Ne2 Ne6 23.Nd5 Kg7 24.Qd2 Qd8 25.d4 Neg5 26.dxe5 dxe5 27.Qe3 f5 28.exf5 Bxf5 29.Ng1 c6 30.Nb6 Bd3 31.a5 e4 32.Rd2 Qf6 33.Qd4 Rd8 34.Qxf6+ Nxf6 35.f3 h4 36.Red1 Rde8 37.fxe4 Bxe4 38.Ne2 Nh5 39.Nd4 Ng3 40.Kg1 Bf5 41.Nxf5+ Rxf5 42.Bc2 Rfe5 43.Nd7 Re1+ 44.Rxe1 Rxe1+ 45.Kf2 Re7 46.Kg1 Ne2+ 47.Kf1 Nxc3 48.Nc5 Nd5 49.Bb3 Ne3+ 50.Kf2 Nf5 51.Rd8 Ng3 52.Rg8+ Kf6 53.Rf8+ Ke5+ 54.Bc2 Ne6 55.Nxe6 Rxe6 56.Rb8 Kf4 57.Rf8+ Kg5+ 58.Bd3 Rf6+ 59.Rxf6 Kxf6 60.Ke3 Nf5+ 61.Ke4 g5 62.Bc2 Ng7 63.Bd1 Ke6 64.Bg4+ Kd6 65.Bc8 Kc7 66.Bg4 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "8"] [Result "0-1"] [White "Larry Mark Christiansen"] [Black "Walter Shawn Browne"] [ECO "E21"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "84"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.e3 Nc6 6.d5 Ne7 7.d6 Nf5 8.Qd3 b5 9.cxb5 Bb7 10.Be2 Rc8 11.O-O c4 12.Qc2 Nxd6 13.Rd1 O-O 14.a3 Bxc3 15.bxc3 Nxb5 16.a4 Qa5 17.Bb2 Be4 18.Qd2 Nc7 19.Ba3 Rfe8 20.Bb4 Qd5 21.Qa2 Qa8 22.Bd6 Ncd5 23.Rac1 Bd3 24.Bxd3 cxd3 25.c4 Ne4 26.Be5 f6 27.cxd5 Rxc1 28.Rxc1 fxe5 29.dxe6 dxe6 30.Nxe5 d2 31.Rf1 Qd5 32.Qxd5 exd5 33.Nf3 Rc8 34.g3 Rc2 35.Kg2 Nxf2 36.Nxd2 Ne4 37.Rb1 Rxd2+ 38.Kf3 Rf2+ 39.Kg4 Nf6+ 40.Kg5 Ne4+ 41.Kg4 Rxh2 42.Rb8+ Kf7 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "8"] [Result "1/2-1/2"] [White "John Fedorowicz"] [Black "Anatoly Lein"] [ECO "D94"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "105"] 1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 g6 5.e3 Bg7 6.Bd3 O-O 7.O-O Bg4 8.h3 Bxf3 9.Qxf3 dxc4 10.Bxc4 Nbd7 11.Rd1 Ne8 12.Bd2 Nd6 13.Bb3 Rc8 14.Ne4 Nxe4 15.Qxe4 Nf6 16.Qf3 Qd7 17.Rac1 Ne8 18.Bb4 Nd6 19.Qe2 Rfd8 20.Ba5 b6 21.Bb4 a5 22.Be1 Qa7 23.a3 c5 24.dxc5 bxc5 25.Ba4 c4 26.Rc2 Qb6 27.Rd5 Rc5 28.Rxc5 Qxc5 29.Bb3 Rc8 30.Ba2 Qb5 31.Qd2 Rb8 32.Qxa5 Qxa5 33.Bxa5 Rxb2 34.Rxb2 Bxb2 35.a4 c3 36.Bb3 Nc4 37.Bxc4 c2 38.Bd2 c1=Q+ 39.Bxc1 Bxc1 40.a5 Ba3 41.Kf1 Kf8 42.Ke2 Ke8 43.Kd3 Bb4 44.a6 Bc5 45.Bb3 Ba7 46.Ke4 e6 47.Ba4+ Ke7 48.Kd3 g5 49.Kc4 Kd6 50.g4 h6 51.Be8 Ke7 52.Bc6 Kd6 53.Be4 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "8"] [Result "1-0"] [White "John A Peters"] [Black "Sergey Gennadyevich Kudrin"] [ECO "B78"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "79"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 O-O 9.Bc4 Bd7 10.O-O-O Rc8 11.Bb3 Ne5 12.g4 b5 13.g5 Nh5 14.Ncxb5 Nxf3 15.Nxf3 Bxb5 16.Bxa7 Bc4 17.Kb1 Bxb3 18.cxb3 Rc6 19.Bd4 Qa8 20.Bxg7 Nxg7 21.Qe3 Rfc8 22.Nd4 Rc5 23.Ne2 Ne6 24.h4 Ra5 25.Nc3 Rxc3 26.Qxc3 Rxa2 27.Qc4 Nc5 28.Rhf1 e6 29.Rfe1 Ra1+ 30.Kc2 Rxd1 31.Rxd1 Nxe4 32.Qc7 Qa6 33.Kb1 Qb5 34.Rd4 d5 35.Qc2 Qf1+ 36.Ka2 Ng3 37.Ra4 e5 38.Qc6 Kg7 39.Qc8 Ne2 40.Ra8 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "8"] [Result "1/2-1/2"] [White "Leonid Alexandrovich Shamkovich"] [Black "Yasser Seirawan"] [ECO "B14"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "79"] 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Be7 7.cxd5 Nxd5 8.Bd3 Nc6 9.O-O O-O 10.Re1 Re8 11.h4 h6 12.Bc2 Nf6 13.a3 Qa5 14.Qd3 Rd8 15.Bf4 Kf8 16.b4 Qf5 17.Qd2 Qh5 18.b5 e5 19.bxc6 exf4 20.c7 Re8 21.Ba4 Bd7 22.Bxd7 Nxd7 23.Qxf4 Nb6 24.Qe4 Bd6 25.Qxb7 Rec8 26.Qe4 Kg8 27.Ne5 Bxc7 28.Nb5 Bxe5 29.dxe5 Rc4 30.Nd4 Rd8 31.Rad1 Nd5 32.Qf3 Qxf3 33.Nxf3 Rc5 34.Rd4 Re8 35.g3 Nb6 36.a4 Ra5 37.Ree4 f6 38.exf6 Rxe4 39.Rxe4 gxf6 40.Re7 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "8"] [Result "0-1"] [White "Lubomir Kavalek"] [Black "Boris Markovich Kogan"] [ECO "C19"] [WhiteElo "2595"] [BlackElo "2440"] [PlyCount "114"] 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Nf3 b6 8. Bb5+ Bd7 9. Bd3 c4 10. Bf1 Ba4 11. g3 Nbc6 12. Bg2 Qd7 13. Ng5 f6 14. Nf3 f5 15. h4 O-O-O 16. h5 Ng8 17. Bg5 Rf8 18. Qd2 Nh6 19. Ke2 Nf7 20. Bf4 Rfg8 21. Rag1 Qe7 22. Qc1 g5 23. hxg6 hxg6 24. Rxh8 Rxh8 25. Kd1 a5 26. Ng5 Na7 27. Nxf7 Qxf7 28. Qa1 g5 29. Bc1 f4 30. g4 Rh2 31. Ke1 Qh7 32. Bf3 Rh3 33. Bg2 Qxc2 34. f3 Rh2 35. Qb2 Kb7 36. Qxc2 Bxc2 37. Kf2 Ka6 38. a4 Bxa4 39. Ba3 Nc6 40. Rb1 Bc2 41. Rb2 Bb3 42. Kg1 Rh8 43. Bf1 b5 44. Bc5 Kb7 45. Bd3 cxd3 46. Rxb3 Ka6 47. Rb2 b4 48. cxb4 axb4 49. Rb3 Kb5 50. Rxd3 Nxe5 51. Rb3 Nc6 52. Rb1 e5 53. Bd6 exd4 54. Rc1 Rd8 55. Rc5+ Kb6 56. Rxd5 b3 57. Bc5+ Kc7 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.19"] [EventDate "1981.07.00"] [Round "8"] [Result "1/2-1/2"] [White "Lev Alburt"] [Black "Samuel Reshevsky"] [ECO "E06"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "137"] 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O dxc4 7.Ne5 c5 8.dxc5 Qc7 9.Nxc4 Qxc5 10.b3 Rd8 11.Qc2 Nc6 12.Ba3 Nb4 13.Qc1 Rb8 14.Bb2 Qh5 15.Bf3 Qh3 16.Be5 Ra8 17.Bc7 Rf8 18.Bg2 Qh5 19.Nc3 Nbd5 20.Bd6 Bxd6 21.Nxd6 Qe5 22.Nxd5 exd5 23.Nxc8 Rfxc8 24.Qd2 Rc3 25.Rfd1 Kf8 26.Rac1 Rac8 27.Rxc3 Qxc3 28.Qxc3 Rxc3 29.Bxd5 Nxd5 30.Rxd5 Rc2 31.Rd8+ Ke7 32.Rb8 Rxa2 33.Rxb7+ Kf6 34.b4 g5 35.h3 h5 36.e4 a6 37.Kg2 Ra3 38.Rc7 Rb3 39.Rc4 Kg6 40.Kf1 Rb2 41.f4 g4 42.hxg4 hxg4 43.Rc6+ Kg7 44.Rxa6 Rxb4 45.e5 Rb3 46.Kf2 Rc3 47.Rf6 Rc2+ 48.Ke3 Rc3+ 49.Ke4 Rxg3 50.Rf5 Kf8 51.Rg5 Ra3 52.Rxg4 Ra6 53.Kf5 Rb6 54.Rg1 Ra6 55.Rd1 Rb6 56.Rd6 Rb4 57.Kg5 Re4 58.Rd8+ Kg7 59.Rd7 Kf8 60.f5 Rxe5 61.Kf6 Re1 62.Rxf7+ Kg8 63.Rg7+ Kf8 64.Ra7 Kg8 65.Re7 Rf1 66.Re8+ Kh7 67.Re5 Kg8 68.Ke7 Kg7 69.Ke6 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "9"] [Result "1-0"] [White "Walter Shawn Browne"] [Black "Lev Alburt"] [ECO "E11"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "105"] 1.d4 Nf6 2.Nf3 e6 3.c4 Bb4+ 4.Nbd2 c5 5.e3 cxd4 6.exd4 b6 7.Bd3 O-O 8.a3 Be7 9.O-O Bb7 10.b3 d5 11.Re1 dxc4 12.bxc4 Nc6 13.Bb2 Qd6 14.Qe2 Rfd8 15.Rad1 Qf4 16.Ne4 Na5 17.Neg5 Bxf3 18.Nxf3 Bf8 19.Ne5 Re8 20.g4 Qh6 21.Qf3 Qh4 22.Bc1 Bd6 23.g5 Bxe5 24.dxe5 Ng4 25.h3 Nxf2 26.Qxf2 Qxh3 27.Bf1 Qg4+ 28.Qg2 Qxg2+ 29.Kxg2 Re7 30.Bd2 Nb7 31.Bb4 Rc7 32.Kg3 Nc5 33.Rd4 Nb3 34.Rd3 Nc5 35.Rd4 g6 36.Red1 Rcc8 37.Kf4 Kg7 38.Rd6 h6 39.gxh6+ Kxh6 40.Bg2 Rab8 41.Kg4 Nb3 42.Bf1 a5 43.Be1 Nc5 44.Bh4 Ne4 45.R6d4 g5 46.Rxe4 gxh4 47.Kxh4 Rc5 48.Be2 Rg8 49.Rf1 Kg7 50.Bh5 Rf8 51.Rg4+ Kh8 52.Rf6 Kh7 53.Bg6+ 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "9"] [Result "1-0"] [White "Yasser Seirawan"] [Black "Joel Benjamin"] [ECO "A16"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "82"] 1.c4 Nf6 2.Nc3 c5 3.Nf3 b6 4.d4 cxd4 5.Nxd4 Bb7 6.f3 d6 7.e4 e6 8.Be2 Be7 9.O-O O-O 10.Be3 a6 11.Qe1 Nbd7 12.Qf2 Rc8 13.Rac1 Qc7 14.b4 Qb8 15.a3 Rfe8 16.Rfd1 Bd8 17.Nb3 Bc7 18.g3 h6 19.Bd4 Rcd8 20.a4 Ba8 21.Rb1 Ne5 22.b5 a5 23.Nxa5 d5 24.exd5 exd5 25.Nc6 Bxc6 26.bxc6 dxc4 27.Nb5 Re6 28.Bxe5 Bxe5 29.f4 Bc7 30.Bf3 Ne4 31.Qc2 Nd6 32.Bd5 Re7 33.Bxc4 Nxb5 34.axb5 Bd6 35.Kh1 Rde8 36.Qf5 Qc7 37.Rd2 Rf8 38.Rbd1 Bc5 39.Rd7 Qc8 40.h4 Qe8 41.Kg2 h5 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "9"] [Result "1/2-1/2"] [White "Robert Eugene Byrne"] [Black "John Fedorowicz"] [ECO "B63"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "78"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.Nb3 Qb6 10.f3 Rd8 11.Be3 Qc7 12.Qf2 Nd7 13.Nb5 Qb8 14.Qg3 Nf6 15.h4 a6 16.N5d4 Nxd4 17.Nxd4 Qc7 18.h5 Kh8 19.Bd3 h6 20.f4 e5 21.fxe5 dxe5 22.Kb1 Bg4 23.Rdf1 Rac8 24.Nf5 Bxf5 25.Rxf5 Rxd3 26.cxd3 Qc2+ 27.Ka1 Qxd3 28.Qf3 Rc2 29.Rc1 Bc5 30.Rxc2 Qxc2 31.a3 Bxe3 32.Qxe3 Nxe4 33.Rxe5 Nd2 34.Re8+ Kh7 35.Qe1 b5 36.Rd8 Nb3+ 37.Ka2 Nc1+ 38.Ka1 Nb3+ 39.Ka2 Nc1+ 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "9"] [Result "1/2-1/2"] [White "Sergey Gennadyevich Kudrin"] [Black "Lubomir Kavalek"] [ECO "B43"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "119"] 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Bb4 7.Ne2 Be7 8.Bg2 Nf6 9.O-O Nc6 10.h3 d6 11.f4 b5 12.a3 Rb8 13.g4 a5 14.g5 Nd7 15.Ng3 b4 16.axb4 axb4 17.Nce2 g6 18.b3 h6 19.Bb2 e5 20.gxh6 Rxh6 21.f5 g5 22.Bc1 Qb6+ 23.Kh2 Rh7 24.Bf3 Nd4 25.Nxd4 exd4 26.Nh5 Nf6 27.Bb2 Nxh5 28.Bxd4 Qc6 29.Bxh5 Qxe4 30.Bg4 Kf8 31.Kg1 Rh5 32.Ba7 Rb5 33.Qf3 Qxf3 34.Rxf3 Bf6 35.Rd1 Bb7 36.Rf2 d5 37.Bd4 Kg7 38.Re2 Rh8 39.Re7 Bxd4+ 40.Rxd4 Kf6 41.Rd7 Bc6 42.Rc7 Rb6 43.Rd2 Re8 44.Re2 Rxe2 45.Bxe2 d4 46.Bc4 Be8 47.Kf2 Kxf5 48.Re7 Rb8 49.Bxf7 Bc6 50.Bc4 Rb7 51.Bd3+ Kf6 52.Rxb7 Bxb7 53.Kg3 Ke5 54.Kg4 Bc8+ 55.Kxg5 Bxh3 56.Kh4 Be6 57.Kg3 Bf7 58.Kf3 Bh5+ 59.Kg3 Bd1 60.Kf2 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "9"] [Result "1/2-1/2"] [White "Anatoly Lein"] [Black "Larry Mark Christiansen"] [ECO "D32"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "93"] 1.c4 Nf6 2.Nc3 c5 3.Nf3 e6 4.e3 d5 5.d4 Nc6 6.Bd3 dxc4 7.Bxc4 cxd4 8.exd4 Be7 9.O-O O-O 10.a3 b6 11.Qd3 Bb7 12.Ba2 Rc8 13.Bg5 Nd5 14.Nxd5 Bxg5 15.Nc3 Bf6 16.Rad1 g6 17.Rfe1 Ne7 18.Ne5 Nd5 19.Ne4 Bg7 20.Qg3 Nf6 21.Nc3 Nd5 22.h4 Nxc3 23.bxc3 b5 24.h5 Bd5 25.Bb1 Qc7 26.hxg6 fxg6 27.Rd3 Rf5 28.Rde3 Bxe5 29.dxe5 Rf7 30.Rd1 Rcf8 31.Rd2 Qc5 32.Ba2 Bxa2 33.Rxa2 Qd5 34.Rae2 Qd1+ 35.Re1 Qb3 36.f3 Qxa3 37.c4 Qc5 38.cxb5 Qxb5 39.Re4 a5 40.Qf2 Rd7 41.Kh2 Qd5 42.Qc2 Kg7 43.Rc4 Qd2 44.Qxd2 Rxd2 45.Rc7+ Rf7 46.Rcc1 g5 47.Rc6 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "9"] [Result "1/2-1/2"] [White "Boris Markovich Kogan"] [Black "James Tarjan"] [ECO "E02"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "114"] 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Nd2 c6 7.Qxc4 e5 8.dxe5 Nxe5 9.Qc3 Bd6 10.Ngf3 Qe7 11.O-O O-O 12.Nxe5 Bxe5 13.Qc2 Re8 14.Re1 Be6 15.Nf3 Bc7 16.e4 Bb6 17.Be3 Bxe3 18.Rxe3 Rad8 19.a3 Qd7 20.Rae1 h6 21.Bf1 Qc7 22.Rd3 Bg4 23.Nh4 Rxd3 24.Bxd3 Qe5 25.Re3 Rd8 26.Kg2 Be6 27.h3 Qd4 28.Nf3 Qd7 29.Ng1 Qd4 30.Ne2 Qb6 31.Nf4 Bb3 32.Qc3 a5 33.Bb1 a4 34.Rd3 Kf8 35.f3 Rxd3 36.Nxd3 Nd7 37.Nc1 f6 38.f4 Ke7 39.Ne2 c5 40.g4 Be6 41.Bc2 Qc6 42.Kf2 g5 43.Qe3 Qb5 44.e5 Qxb2 45.exf6+ Kxf6 46.Qd3 Ke7 47.Bxa4 gxf4 48.Bxd7 Bxd7 49.Qe4+ Be6 50.a4 b6 51.Qb7+ Kf6 52.a5 Qe5 53.Qxb6 Qe3+ 54.Kf1 f3 55.Ng3 Kg5 56.Qd8+ Kg6 57.Qe8+ Kh7 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.20"] [EventDate "1981.07.00"] [Round "9"] [Result "1/2-1/2"] [White "Samuel Reshevsky"] [Black "John A Peters"] [ECO "A40"] [WhiteElo "?"] [BlackElo "2462"] [PlyCount "52"] 1.d4 e6 2.g3 c5 3.Nf3 b5 4.Bg2 Bb7 5.c3 Nf6 6.O-O h6 7.Nbd2 Be7 8.e4 cxd4 9.Nxd4 a6 10.e5 Nd5 11.c4 bxc4 12.Nxc4 Qc7 13.Qe2 O-O 14.Bd2 Nc6 15.Nb3 a5 16.Qe4 Ba6 17.Rfc1 Bxc4 18.Rxc4 Qxe5 19.Qxe5 Nxe5 20.Ra4 Nd3 21.Bxd5 exd5 22.Bc3 Bb4 23.Rd1 Bxc3 24.Rxd3 Bxb2 25.Rxd5 Bc3 26.Rxd7 Rfd8 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "10"] [Result "0-1"] [White "Lev Alburt"] [Black "Anatoly Lein"] [ECO "D11"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "132"] 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Qc2 g6 5.Bf4 Bg7 6.e3 O-O 7.Nc3 Bf5 8.Qb3 Qb6 9.h3 h6 10.g4 Be6 11.c5 Qxb3 12.axb3 Nbd7 13.Ra4 Rfc8 14.Bd3 a6 15.Ke2 Ne8 16.Rha1 Rd8 17.b4 Rac8 18.Nd2 Ndf6 19.Nb3 Ne4 20.Na5 Rd7 21.Nxb7 Rxb7 22.Bxa6 Rcb8 23.f3 Rxb4 24.fxe4 Rxb2+ 25.Kf1 R8b3 26.exd5 cxd5 27.Nd1 Rc2 28.R4a3 Rxa3 29.Rxa3 g5 30.Bb8 f5 31.Bd3 Rc1 32.Ke2 fxg4 33.Kd2 Rxd1+ 34.Kxd1 gxh3 35.Ke2 Kf7 36.c6 h5 37.Ba6 h4 38.Ra1 g4 39.Rf1+ Bf6 40.Bf4 g3 41.Rc1 h2 42.Kd2 Nd6 43.Be2 Ne4+ 44.Kc2 Bg5 45.Bh5+ Kg7 46.Be5+ Kh6 47.Bf3 Bxe3 48.Ra1 Kg5 49.Ra7 Bf5 50.Kb2 Nd2 51.Bxd5 Nc4+ 52.Kc3 Nxe5 53.Rxe7 Ng4 54.Rg7+ Kh6 55.Rf7 h3 56.Rxf5 h1=Q 57.Bxh1 g2 58.Bxg2 hxg2 59.c7 g1=Q 60.Rc5 Bxd4+ 61.Kc4 Bxc5 62.c8=Q Ne3+ 63.Kd3 Qb1+ 64.Ke2 Qf1+ 65.Kd2 Qd1+ 66.Kc3 Qc2# 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "10"] [Result "1/2-1/2"] [White "Joel Benjamin"] [Black "John Fedorowicz"] [ECO "A05"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "23"] 1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.c4 d6 6.Nc3 e5 7.Rb1 Nc6 8.b4 a6 9.d3 Rb8 10.Bg5 h6 11.Bxf6 Bxf6 12.Nd2 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "10"] [Result "1-0"] [White "James Tarjan"] [Black "Sergey Gennadyevich Kudrin"] [ECO "A17"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "101"] 1.c4 e6 2.Nc3 Nf6 3.Nf3 Bb4 4.Qb3 c5 5.a3 Ba5 6.g3 O-O 7.Bg2 d5 8.O-O Nc6 9.d3 Bxc3 10.Qxc3 d4 11.Qc2 e5 12.Bd2 Re8 13.b4 e4 14.dxe4 Nxe4 15.Rad1 h6 16.bxc5 Bf5 17.Qb2 Nxc5 18.Be3 Nd3 19.exd3 dxe3 20.fxe3 Rxe3 21.Qxb7 Ne5 22.Qb5 Rxd3 23.Rxd3 Bxd3 24.Rd1 Nxc4 25.Qb3 Qb6+ 26.Qxb6 axb6 27.Rxd3 Rxa3 28.Rxa3 Nxa3 29.Ne5 f6 30.Bd5+ Kh7 31.Nd7 b5 32.Nf8+ Kh8 33.Kf2 Nc2 34.Be4 Na3 35.Ke3 Kg8 36.Nd7 Kf7 37.Kd4 Ke7 38.Nc5 Kd6 39.Bd3 Kc6 40.g4 Kd6 41.Ne4+ Ke6 42.Nd2 Kd6 43.h4 h5 44.gxh5 Ke6 45.Ke4 f5 46.Kf4 Kf6 47.Bxf5 Nc4 48.Nxc4 bxc4 49.Bg6 Ke7 50.Ke4 Kf8 51.Bh7 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "10"] [Result "1/2-1/2"] [White "Larry Mark Christiansen"] [Black "Robert Eugene Byrne"] [ECO "D58"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "43"] 1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 Be7 5.Bg5 h6 6.Bh4 O-O 7.e3 b6 8.Rc1 Bb7 9.Be2 Nbd7 10.O-O c5 11.cxd5 Nxd5 12.Bg3 N7f6 13.Nxd5 Qxd5 14.dxc5 Bxc5 15.Qa4 Bc6 16.Qa6 Bb7 17.Qa4 Bc6 18.Qh4 Qe4 19.b4 Be7 20.Qxe4 Bxe4 21.a3 a5 22.Be5 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "10"] [Result "1-0"] [White "Leonid Alexandrovich Shamkovich"] [Black "Boris Markovich Kogan"] [ECO "C03"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "127"] 1.e4 e6 2.d4 d5 3.Nd2 a6 4.Ngf3 c5 5.dxc5 Bxc5 6.Bd3 Nc6 7.c3 Nge7 8.O-O O-O 9.Nb3 Bb6 10.Bf4 Ng6 11.Bg3 f5 12.exf5 exf5 13.Nbd4 Bxd4 14.cxd4 f4 15.Bxg6 hxg6 16.Bh4 Qd6 17.Qd2 Bg4 18.Ne5 g5 19.Bxg5 Nxe5 20.dxe5 Qxe5 21.f3 Bd7 22.h4 Rae8 23.Rad1 Rf5 24.Rfe1 Qd6 25.Rxe8+ Bxe8 26.Qd4 Bc6 27.Re1 a5 28.Re4 Qg6 29.Rxf4 Rxf4 30.Bxf4 a4 31.a3 Kh7 32.Be5 Qf7 33.Kf2 Bb5 34.g4 Bc4 35.h5 Kg8 36.Qe3 Qe7 37.Bd4 Qxe3+ 38.Kxe3 Bb3 39.Kf4 Bd1 40.Kg3 Be2 41.f4 Kf7 42.f5 Bd1 43.Kh4 Bc2 44.Kg5 Bd1 45.Kh4 Bc2 46.h6 gxh6 47.Kh5 Bd1 48.Be3 Kf6 49.Bxh6 d4 50.Bg5+ Ke5 51.f6+ Ke6 52.Kg6 Bxg4 53.f7+ Bh5+ 54.Kxh5 Kxf7 55.Kg4 Ke6 56.Kf3 Kd5 57.Ke2 Kc4 58.Kd2 b5 59.Be7 Kb3 60.Kd3 Kxb2 61.Kxd4 Kb3 62.Bb4 Kc2 63.Kc5 Kd3 64.Kxb5 1-0 [Event "USA-ch/zt"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "10"] [Result "0-1"] [White "John A Peters"] [Black "Walter S Browne"] [ECO "D01"] [WhiteElo "2445"] [BlackElo "2570"] [PlyCount "120"] 1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Nf3 g6 5. e3 Bg7 6. Bd3 O-O 7. O-O c5 8. Ne5 cxd4 9. exd4 Nxe5 10. dxe5 Ng4 11. Be2 d4 12. Nb5 Nxe5 13. Nxd4 Qb6 14. c3 Qxb2 15. Bxe7 Re8 16. Bb4 a5 17. Qb3 Qxb3 18. axb3 Bg4 19. Bc5 Bxe2 20. Nxe2 Nf3+ 21. gxf3 Rxe2 22. Rfc1 Rb2 23. Ra3 Rc8 24. Rxa5 Rxb3 25. c4 Bb2 26. Rb1 b6 27. Rb5 Rxb5 28. cxb5 Rxc5 29. Rxb2 Kf8 30. Ra2 Rxb5 31. Ra8+ Ke7 32. Ra7+ Ke6 33. Rb7 Rb1+ 34. Kg2 h5 35. f4 f6 36. h4 Kf5 37. Kg3 b5 38. Rb6 b4 39. f3 b3 40. Rb5+ Ke6 41. f5+ gxf5 42. Kf4 Rb2 43. Rb8 Kd5 44. Kxf5 Kc4 45. Kxf6 Rd2 46. Rc8+ Kb4 47. Rb8+ Kc3 48. Rc8+ Kd4 49. Rb8 b2 50. f4 Kc3 51. f5 Rd1 52. Rxb2 Kxb2 53. Kg6 Kc3 54. Kxh5 Kd4 55. Kg6 Ke5 56. h5 Rg1+ 57. Kf7 Kxf5 58. h6 Ra1 59. h7 Ra7+ 60. Kg8 Kg6 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.22"] [EventDate "1981.07.00"] [Round "10"] [Result "1/2-1/2"] [White "Lubomir Kavalek"] [Black "Samuel Reshevsky"] [ECO "C42"] [WhiteElo "2600"] [BlackElo "?"] [PlyCount "61"] 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1 Bf5 9.Nbd2 Nxd2 10.Qxd2 Bxd3 11.Qxd3 O-O 12.Bf4 Bd6 13.Ng5 g6 14.Qd2 Qf6 15.Bxd6 Qxd6 16.Re3 Rae8 17.Rae1 Qd7 18.Kf1 Rxe3 19.Rxe3 h6 20.Nf3 Kg7 21.Qe2 a6 22.c3 f6 23.Ne1 g5 24.Nd3 b6 25.Nb4 a5 26.Nxc6 Qxc6 27.Re6 Qa4 28.a3 c5 29.Qd3 Qb3 30.g3 Rf7 31.Qe2 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "11"] [Result "1/2-1/2"] [White "Robert Eugene Byrne"] [Black "Lev Alburt"] [ECO "B05"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "84"] 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.c4 Nb6 7.Be3 d5 8.c5 Bxf3 9.gxf3 Nc8 10.Nd2 Nc6 11.b4 a6 12.a3 N8e7 13.Bd3 Nf5 14.Bxf5 exf5 15.f4 Qd7 16.Nf3 Nd8 17.Qd3 g6 18.h4 h5 19.Ke2 Qa4 20.Qd1 Qb5+ 21.Qd3 Bh6 22.Ng5 O-O 23.a4 Qxd3+ 24.Kxd3 f6 25.exf6 Rxf6 26.Rhe1 Bxg5 27.fxg5 Re6 28.f3 Kf7 29.Bf4 Rxe1 30.Rxe1 Ne6 31.Be5 Re8 32.Rc1 Rb8 33.Kc3 Ke7 34.Kb2 Kd7 35.b5 Ra8 36.Ra1 Re8 37.f4 Ra8 38.Ra3 Nd8 39.Bf6 axb5 40.axb5 Rxa3 41.Kxa3 Nf7 42.Kb4 b6 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "11"] [Result "1/2-1/2"] [White "Walter Shawn Browne"] [Black "Lubomir Kavalek"] [ECO "D17"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "70"] 1.d4 Nf6 2.Nf3 d5 3.c4 c6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 Nbd7 7.Nxc4 Qc7 8.g3 e5 9.dxe5 Nxe5 10.Bf4 Rd8 11.Qc1 Bd6 12.Nxd6+ Qxd6 13.Bg2 O-O 14.O-O a5 15.Nd1 Qe6 16.Qc3 Ng6 17.Bg5 Nd5 18.Qxa5 f6 19.Bc1 Qxe2 20.Nc3 Qh5 21.Nxd5 cxd5 22.Bxd5+ Kh8 23.Bg2 Ne5 24.Bf4 Bd3 25.Bxe5 Bxf1 26.Bc7 Qxa5 27.Bxa5 Ra8 28.Bb4 Bxg2 29.Bxf8 Bc6 30.Bc5 Rxa4 31.Rxa4 Bxa4 32.f4 Kg8 33.Kf2 Kf7 34.Ke3 Ke6 35.Kd4 Bc6 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "11"] [Result "1/2-1/2"] [White "John Fedorowicz"] [Black "Larry Mark Christiansen"] [ECO "A42"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "64"] 1.e4 d6 2.d4 g6 3.c4 Bg7 4.Nc3 e5 5.d5 Nd7 6.h4 h5 7.g3 a5 8.Bh3 Bh6 9.Nf3 Nc5 10.Kf1 Bxh3+ 11.Rxh3 Qd7 12.Kg2 Bxc1 13.Qxc1 Nf6 14.Ng5 Ng4 15.f3 Nh6 16.Rh1 f6 17.Nh3 Qg7 18.Qc2 g5 19.hxg5 fxg5 20.Nf2 g4 21.fxg4 O-O-O 22.gxh5 Rdf8 23.Raf1 Rhg8 24.Rh3 Rf4 25.Qe2 Rgf8 26.Rhh1 Rg8 27.Qe3 Kb8 28.Rh3 Rgf8 29.Rhh1 Rg8 30.Rh3 Rgf8 31.Rhh1 Rg8 32.Rh3 Rgf8 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "11"] [Result "0-1"] [White "Sergey Gennadyevich Kudrin"] [Black "Leonid Alexandrovich Shamkovich"] [ECO "B43"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "100"] 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Nf6 7.Bg2 d6 8.O-O Be7 9.f4 Nc6 10.Nxc6 bxc6 11.e5 dxe5 12.fxe5 Nd7 13.Bf4 O-O 14.Re1 Bb7 15.Qh5 c5 16.Be4 Bxe4 17.Rxe4 c4 18.Rf1 Qb6+ 19.Be3 Qxb2 20.Rxc4 Qxc2 21.Rc7 Qd3 22.Qe2 Qxe2 23.Nxe2 Rfd8 24.Rb1 Rac8 25.Ra7 Bc5 26.Bxc5 Nxc5 27.Rc1 Nd3 28.Rxc8 Rxc8 29.Rxa6 Nxe5 30.Nd4 h6 31.a4 Rc4 32.Nb5 Rc2 33.Ra8+ Kh7 34.a5 Nf3+ 35.Kf1 Nxh2+ 36.Ke1 Nf3+ 37.Kf1 Rb2 38.Nd6 Ne5 39.a6 Ra2 40.Ra7 Kg6 41.Ra8 Nc6 42.Nb5 h5 43.Nc7 Nb4 44.Kg1 Kf6 45.a7 Nc6 46.Rg8 Rxa7 47.Ne8+ Kg6 48.Rxg7+ Kh6 49.Rg8 Ne7 50.Rh8+ Kg6 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "11"] [Result "0-1"] [White "Boris Markovich Kogan"] [Black "Yasser Seirawan"] [ECO "E39"] [WhiteElo "2440"] [BlackElo "2565"] [PlyCount "90"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. a3 Bxc3+ 8. Qxc3 Nxc5 9. e3 a5 10. b3 b6 11. Be2 Ba6 12. O-O d5 13. Nd2 Rc8 14. f3 dxc4 15. bxc4 Nd5 16. Qd4 Ne7 17. Qc3 Qc7 18. Bb2 f6 19. Rfc1 Rfd8 20. Rab1 Nd5 21. cxd5 Bxe2 22. Ne4 Rxd5 23. Nxf6+ gxf6 24. Qxf6 Rf5 25. Qh8+ Kf7 26. Qxh7+ Ke8 27. Qh6 Bd3 28. Ra1 Qe7 29. Qg6+ Qf7 30. Qg3 Kd7 31. Bd4 Rg8 32. Qe1 Rxg2+ 33. Kxg2 Rg5+ 34. Qg3 Rxg3+ 35. hxg3 Nb3 36. Rc3 Nxa1 37. Rxd3 Nc2 38. Bxb6+ Kc6 39. Bxa5 Kb5 40. Bb4 e5 41. e4 Nd4 42. g4 Ka4 43. Be1 Qc4 44. Rc3 Qe2+ 45. Bf2 Ne6 0-1 [Event "USA-ch/zt"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "11"] [Result "1/2-1/2"] [White "Anatoly Lein"] [Black "John A Peters"] [ECO "B74"] [WhiteElo "2510"] [BlackElo "2445"] [PlyCount "44"] 1. e4 c5 2. Nc3 g6 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nb3 d6 8. Be2 Be6 9. f4 O-O 10. O-O Qc8 11. Qe1 Rd8 12. Qg3 Nb4 13. Rac1 Bc4 14. Bxc4 Qxc4 15. Qf3 d5 16. e5 Ne4 17. Bd4 Nd2 18. Nxd2 Qxd4+ 19. Kh1 Nc6 20. Rfd1 e6 21. Nb3 Qc4 22. Ne2 Rac8 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.23"] [EventDate "1981.07.00"] [Round "11"] [Result "1/2-1/2"] [White "Samuel Reshevsky"] [Black "James Tarjan"] [ECO "E12"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "80"] 1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 exd5 7.g3 Be7 8.Bg2 O-O 9.Bf4 c5 10.O-O Na6 11.dxc5 bxc5 12.Qb3 Qb6 13.Qxb6 axb6 14.Ne5 Rab8 15.Rfd1 d4 16.Nb5 Bxg2 17.Kxg2 Rbc8 18.e3 dxe3 19.Bxe3 Nc7 20.Nxc7 Rxc7 21.a4 Rb8 22.Ra3 Ra8 23.Nc4 Rb7 24.h3 Kf8 25.g4 Ke8 26.Bf4 Rd8 27.Rxd8+ Kxd8 28.Rd3+ Ke8 29.Be5 Kf8 30.Kf3 Nd7 31.Bf4 h6 32.Kg2 Ra7 33.b3 Rb7 34.Kf1 Ke8 35.Na3 Nb8 36.Nb5 Nc6 37.Ke2 Rd7 38.Rxd7 Kxd7 39.Bc7 Bd8 40.Bxd8 Nxd8 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "12"] [Result "1-0"] [White "Lev Alburt"] [Black "John Fedorowicz"] [ECO "E12"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "55"] 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 c5 5.d5 Ba6 6.Qc2 exd5 7.cxd5 g6 8.Nc3 Bg7 9.g3 O-O 10.Bg2 d6 11.O-O Re8 12.Rd1 Qc7 13.a4 Nbd7 14.Bf4 Ng4 15.Nb5 Bxb5 16.axb5 Nde5 17.Nd2 Qd7 18.h3 Nh6 19.Bxh6 Bxh6 20.f4 Qxb5 21.fxe5 Bxd2 22.Qxd2 Rxe5 23.e4 a5 24.Rf1 Rae8 25.Rf6 Qd7 26.Raf1 R8e7 27.b3 Qc8 28.Qd3 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "12"] [Result "1-0"] [White "Joel Benjamin"] [Black "Larry Mark Christiansen"] [ECO "B13"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "121"] 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nf6 5.c3 Nc6 6.Bf4 Bg4 7.Qb3 Qd7 8.Nd2 e6 9.Ngf3 Bxf3 10.Nxf3 Bd6 11.Bxd6 Qxd6 12.O-O O-O 13.Rae1 Rab8 14.Ne5 b5 15.a3 a5 16.f4 b4 17.axb4 axb4 18.Qd1 bxc3 19.bxc3 g6 20.Re3 Nd7 21.Qe1 Ncxe5 22.fxe5 Qe7 23.Ref3 f5 24.exf6 Rxf6 25.Rxf6 Nxf6 26.Rf3 Re8 27.h3 Nd7 28.Bb5 Rf8 29.Re3 Rf6 30.Qg3 Nf8 31.Kh2 Qf7 32.Be2 Rf4 33.Bg4 Rf6 34.Re2 g5 35.Qe5 h6 36.Rb2 Rf4 37.Re2 Rf6+ 38.Re1 Kg7 39.Ra1 Kg6 40.Ra8 h5 41.Be2 Rf2 42.Kg1 Kh6 43.h4 Rf5 44.Qh8+ Nh7 45.Bd3 gxh4 46.Bxf5 Qxf5 47.Ra7 Qb1+ 48.Kh2 Qg6 49.Qe5 Nf6 50.Qf4+ Qg5 51.Qxg5+ Kxg5 52.Rg7+ Kf5 53.Kh3 Ne4 54.Kxh4 Nxc3 55.Kxh5 Ne2 56.g4+ Ke4 57.g5 Kxd4 58.Rf7 Ng3+ 59.Kh4 Ne4 60.g6 Nd6 61.Rf8 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "12"] [Result "1-0"] [White "Yasser Seirawan"] [Black "Sergey Gennadyevich Kudrin"] [ECO "A19"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "53"] 1.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.d4 cxd4 6.Qxd4 Nc6 7.Qe4 d6 8.Nf3 dxe5 9.Nxe5 Bd7 10.Nxd7 Qxd7 11.Bg5 Nf6 12.Qe3 h6 13.Rd1 Qc7 14.Bf4 Qa5 15.Be2 e5 16.Bf3 Rc8 17.O-O Bb4 18.Nd5 Bc5 19.Qe2 Kf8 20.Bd2 Qxa2 21.Nxf6 gxf6 22.b4 Nd4 23.Bxh6+ Rxh6 24.Qxa2 Nxf3+ 25.gxf3 Ke7 26.Rd7+ Kxd7 27.Qd2+ 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "12"] [Result "0-1"] [White "James Tarjan"] [Black "Walter Shawn Browne"] [ECO "A32"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "130"] 1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 Qc7 6.b3 a6 7.Bg2 Bb4+ 8.Bd2 Be7 9.O-O O-O 10.Nc3 Nc6 11.e3 Rd8 12.Qe2 d5 13.Rac1 Nxd4 14.exd4 dxc4 15.Bf4 Bd6 16.Bg5 Be7 17.Rfd1 Bd7 18.bxc4 Rac8 19.Ne4 Ba4 20.Rd3 Nxe4 21.Bxe7 Nxg3 22.hxg3 Qxe7 23.d5 e5 24.Qe3 Qc5 25.Qxe5 b5 26.Rdc3 bxc4 27.Rxc4 Qxc4 28.Rxc4 Rxc4 29.d6 Re8 30.Qa5 Bb5 31.Qd2 Rd8 32.Qd5 Rc6 33.d7 Rxd7 34.Qe5 Rc8 35.Bh3 Rd1+ 36.Kh2 Re8 37.Qc5 Rd2 38.a3 h6 39.Bg4 Rdd8 40.Bf3 Re6 41.Qc7 Rd2 42.Kg2 Rdd6 43.Qc8+ Kh7 44.Qc2+ g6 45.Bg4 Bc6+ 46.Kf1 Re4 47.Qc5 Bb5+ 48.Kg2 Rc6 49.Qa7 Rf6 50.Bf3 Re5 51.Bg4 Rd5 52.Qe7 Kg7 53.Qb4 h5 54.Bc8 Bc6 55.Kf1 Bb5+ 56.Kg2 Bc6 57.Kf1 Rd1+ 58.Ke2 Rd8 59.Bh3 Bb5+ 60.Ke1 Rfd6 61.f4 Re8+ 62.Kf2 Re2+ 63.Kf3 Rdd2 64.g4 h4 65.Bf1 Bc6+ 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "12"] [Result "1/2-1/2"] [White "John A Peters"] [Black "Robert Eugene Byrne"] [ECO "B51"] [WhiteElo "2445"] [BlackElo "2510"] [PlyCount "55"] 1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.c4 Ngf6 5.Nc3 e6 6.d4 cxd4 7.Qxd4 Be7 8.Ba4 O-O 9.Bc2 a6 10.a4 b6 11.O-O Bb7 12.b3 Qc7 13.Bb2 Rfd8 14.Rfe1 Rac8 15.h3 Bf8 16.Qe3 Nc5 17.Rad1 d5 18.exd5 exd5 19.cxd5 Nxd5 20.Nxd5 Rxd5 21.Nd4 a5 22.Nf5 Rxd1 23.Bxd1 Ne6 24.Be5 Qc5 25.Qg3 Qc1 26.Kh2 Qd2 27.Re3 Qxd1 28.Nh6+ 1/2-1/2 [Event "USA-ch/zt"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "12"] [Result "1/2-1/2"] [White "Lubomir Kavalek"] [Black "Anatoly Lein"] [ECO "E12"] [WhiteElo "2595"] [BlackElo "2510"] [PlyCount "46"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 exd5 7. g3 Be7 8. Bg2 O-O 9. O-O Nbd7 10. Bf4 c5 11. dxc5 bxc5 12. Ne5 Re8 13. Nc4 Ba6 14. Bxd5 Nxd5 15. Qxd5 Qc8 16. b3 Nb6 17. Nxb6 axb6 18. Ra2 Bb7 19. Qc4 Qc6 20. f3 Bf6 21. a4 Rad8 22. Nb5 g5 23. Bc1 Bd4+ 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.24"] [EventDate "1981.07.00"] [Round "12"] [Result "1/2-1/2"] [White "Leonid Alexandrovich Shamkovich"] [Black "Samuel Reshevsky"] [ECO "C96"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "22"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Na5 10.Bc2 c5 11.d4 Nd7 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "13"] [Result "1/2-1/2"] [White "Lev Alburt"] [Black "Boris Markovich Kogan"] [ECO "A29"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "84"] 1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bb4 5.Nd5 Bc5 6.Bg2 O-O 7.O-O d6 8.d3 h6 9.Bd2 a5 10.a3 Nxd5 11.cxd5 Ne7 12.b4 axb4 13.axb4 Rxa1 14.Qxa1 Bb6 15.Qa2 Qe8 16.Bc3 Bg4 17.h3 Bh5 18.g4 Bg6 19.Nh4 f5 20.Nxg6 Qxg6 21.Qc4 Qf6 22.e3 fxg4 23.Qxg4 Nf5 24.Bd2 g6 25.Be4 h5 26.Qg2 Ra8 27.Bxf5 Qxf5 28.e4 Qf6 29.Bg5 Qg7 30.Be3 Bxe3 31.fxe3 Rf8 32.Rxf8+ Kxf8 33.Qg5 Ke8 34.Kf2 Kd7 35.Ke2 c6 36.dxc6 bxc6 37.Kd2 Qf7 38.Kc3 Qf1 39.Qxg6 Qxh3 40.Qf7+ Kd8 41.Qf8+ Kc7 42.Qf7+ Kd8 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "13"] [Result "1/2-1/2"] [White "Joel Benjamin"] [Black "Anatoly Lein"] [ECO "C04"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "119"] 1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nd7 6.Bd3 Nb4 7.Be2 c5 8.c3 Nc6 9.O-O Qb6 10.Bd3 Be7 11.Re1 cxd4 12.cxd4 Nxd4 13.Nxd4 Qxd4 14.Nf3 Qb6 15.Qc2 h6 16.Be3 Bc5 17.Bf4 g5 18.Be3 g4 19.Nd2 Rg8 20.Nb3 Bxe3 21.Rxe3 Rg5 22.Rae1 a5 23.Bf1 a4 24.Nc1 Nf8 25.h4 Rf5 26.g3 Bd7 27.Qd2 Rc8 28.Bd3 Rf3 29.Rxf3 gxf3 30.Bf1 h5 31.Nd3 Ng6 32.Qg5 Qd4 33.Qxh5 a3 34.bxa3 Rc3 35.Qxf3 Bb5 36.Re3 Bxd3 37.Bxd3 Rxd3 38.Rxd3 Nxe5 39.Qf6 Qxd3 40.Qxe5 b5 41.Qb8+ Ke7 42.Qc7+ Kf6 43.Qf4+ Kg7 44.Qg5+ Kh7 45.Qf6 Kg8 46.Kg2 Qxa3 47.h5 Qf8 48.g4 Qg7 49.Qf4 f6 50.Kg3 Kh7 51.Qe3 Qc7+ 52.f4 Qd7 53.Qd4 Qg7 54.Qd3+ f5 55.g5 Qa7 56.Qe2 Qg1+ 57.Qg2 Qe3+ 58.Qf3 Qg1+ 59.Kh3 b4 60.g6 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "13"] [Result "1-0"] [White "Larry Mark Christiansen"] [Black "Sergey Gennadyevich Kudrin"] [ECO "A19"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "85"] 1.c4 e6 2.Nc3 Nf6 3.e4 c5 4.e5 Ng8 5.d4 cxd4 6.Qxd4 Nc6 7.Qe4 Qa5 8.Nf3 f5 9.exf6 Nxf6 10.Qc2 Ne5 11.Be2 Nxf3+ 12.Bxf3 Qe5+ 13.Qe2 Bd6 14.Be3 Bc5 15.Bxc5 Qxc5 16.O-O O-O 17.Rad1 Rb8 18.a3 a6 19.b4 Qc7 20.Ne4 b6 21.Nd6 Ne8 22.Qd3 Nxd6 23.Qxd6 Qxd6 24.Rxd6 Rf4 25.Rc1 Kf7 26.c5 bxc5 27.bxc5 Rb3 28.c6 Ke7 29.cxd7 Bxd7 30.Rxa6 Rd4 31.h3 Kf6 32.Re1 Rd2 33.Bg4 Ra2 34.Rd6 Bc8 35.Bxe6 Bxe6 36.Rdxe6+ Kf7 37.Re7+ Kf8 38.Rd7 h5 39.Rc1 Kg8 40.Rcc7 Rb1+ 41.Kh2 Rxf2 42.Rxg7+ Kf8 43.Rgd7 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "13"] [Result "0-1"] [White "James Tarjan"] [Black "Leonid Alexandrovich Shamkovich"] [ECO "A34"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "139"] 1.c4 Nf6 2.Nc3 c5 3.Nf3 d5 4.cxd5 Nxd5 5.d4 g6 6.dxc5 Nxc3 7.Qxd8+ Kxd8 8.bxc3 Bg7 9.Nd4 Nc6 10.e3 Bd7 11.Rb1 Kc7 12.Nb5+ Kc8 13.Bc4 Bf5 14.Ra1 Ne5 15.Bb3 Nd3+ 16.Ke2 Nxc5 17.Rd1 Bd7 18.Nd4 e5 19.Nc2 Na4 20.Bd2 f5 21.f3 a5 22.Rab1 Ra6 23.Be1 Nc5 24.Bc4 Rc6 25.Bd5 Ra6 26.Bxb7+ Nxb7 27.Rxb7 Rd8 28.Rb2 Be6 29.Rdb1 Bc4+ 30.Kf2 Ra7 31.Na3 Bd3 32.Rc1 Bf8 33.Nb5 Rb7 34.c4 Ba3 35.Bc3 Bxb2 36.Bxb2 e4 37.Bc3 a4 38.Ba5 Rdd7 39.f4 Kb8 40.Bc3 Rb6 41.Be5+ Ka8 42.Nd4 Rb2+ 43.Kg3 Rdb7 44.c5 Rb1 45.Rxb1 Rxb1 46.c6 Rc1 47.a3 Bc4 48.Bd6 Bd5 49.Kh4 Bxc6 50.Kg5 Be8 51.Ne6 Kb7 52.Kh6 Rc3 53.Bc5 Kc6 54.Bb4+ Rxe3 55.Kxh7 Rb3 56.Kg7 e3 57.Nd4+ Kd5 58.Nc2 Ke4 59.Kf8 Bb5 60.Kf7 e2 61.Ba5 Bd3 62.Ne1 Rxa3 63.Kxg6 Ra1 64.h4 Bb5 65.Kf7 a3 66.Nc2 Ra2 67.Ne1 Rb2 68.Bc3 Rb1 69.h5 a2 70.Nc2 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "13"] [Result "1/2-1/2"] [White "Robert Eugene Byrne"] [Black "Walter Shawn Browne"] [ECO "B92"] [WhiteElo "2510"] [BlackElo "2570"] [PlyCount "32"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Bg5 Be6 10.f4 exf4 11.Bxf4 Nc6 12.Kh1 Rc8 13.Qe1 Ne8 14.Rd1 Bh4 15.Bg3 Bxg3 16.Qxg3 Ne5 1/2-1/2 [Event "USA-ch/zt"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "13"] [Result "1/2-1/2"] [White "Lubomir Kavalek"] [Black "Yasser Seirawan"] [ECO "B14"] [WhiteElo "2595"] [BlackElo "2565"] [PlyCount "38"] 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 e6 10. Qxb7 Nxd4 11. Bb5+ Nxb5 12. Qc6+ Ke7 13. Qxb5 Nxc3 14. bxc3 f6 15. Ba3+ Kf7 16. Qb7+ Kg8 17. Rd1 Qb8 18. Qxb8 Rxb8 19. Bxf8 Kxf8 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.26"] [EventDate "1981.07.00"] [Round "13"] [Result "1/2-1/2"] [White "John Fedorowicz"] [Black "Samuel Reshevsky"] [ECO "C42"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "39"] 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1 Bf5 9.c3 O-O 10.Qc2 Re8 11.Bf4 Bd6 12.Bxd6 Qxd6 13.Nbd2 Nxd2 14.Qxd2 Bxd3 15.Qxd3 a6 16.Re3 Rxe3 17.Qxe3 Qe7 18.Qxe7 Nxe7 19.Re1 Re8 20.Nd2 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "14"] [Result "1-0"] [White "Sergey Gennadyevich Kudrin"] [Black "Lev Alburt"] [ECO "B05"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "87"] 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Be7 7.h3 Bh5 8.c4 Nb6 9.exd6 cxd6 10.Nbd2 O-O 11.b4 Nc6 12.a3 Bg6 13.Bb2 Bf6 14.Re1 Rc8 15.Rc1 Qd7 16.Nf1 Ne7 17.Ne3 Nf5 18.Ng4 Be7 19.g3 a6 20.Qb3 h5 21.Ne3 Bf6 22.Ng2 Na4 23.g4 Nxb2 24.Qxb2 e5 25.gxf5 Qxf5 26.dxe5 dxe5 27.Nfh4 Qxh3 28.Nxg6 fxg6 29.Qc3 Qf5 30.Qg3 Bg5 31.Bd3 Qf6 32.Rc2 Rcd8 33.Be4 h4 34.Qh3 b6 35.c5 bxc5 36.bxc5 Rf7 37.c6 Rc7 38.Ne3 Bxe3 39.Qxe3 Rd4 40.Rb1 Qe6 41.Rb8+ Kh7 42.Qf3 Rc8 43.Rxc8 Qxc8 44.c7 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "14"] [Result "1-0"] [White "Leonid Alexandrovich Shamkovich"] [Black "Joel Benjamin"] [ECO "B46"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "54"] 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.Be2 Nge7 7.Nb3 Ng6 8.O-O b5 9.Be3 Be7 10.f4 O-O 11.e5 d6 12.exd6 Bxd6 13.a4 b4 14.Ne4 Be7 15.g3 f5 16.Nec5 Re8 17.Bf3 Qc7 18.Qd3 Kh8 19.Qc4 e5 20.Ne6 Bxe6 21.Qxc6 Rac8 22.Qxe6 Bc5 23.Qxe8+ Rxe8 24.Bxc5 exf4 25.Rae1 Ne5 26.Bh5 fxg3 27.Bxe8 gxh2 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "14"] [Result "1-0"] [White "Walter Shawn Browne"] [Black "John Fedorowicz"] [ECO "D35"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "67"] 1.d4 Nf6 2.Nf3 d5 3.c4 e6 4.Nc3 Nbd7 5.cxd5 exd5 6.Bf4 c6 7.e3 Be7 8.Bd3 O-O 9.Qc2 Re8 10.O-O Nf8 11.Rab1 Ne6 12.Be5 g6 13.b4 a6 14.a4 Ng7 15.b5 axb5 16.axb5 Ra3 17.bxc6 bxc6 18.Ra1 Rxa1 19.Rxa1 Bg4 20.Ne2 Qd7 21.Rc1 Bxf3 22.gxf3 Qh3 23.Ng3 Nd7 24.Bxg7 Kxg7 25.Qxc6 Nf6 26.Bf1 Qh4 27.Qb7 Ba3 28.Rc7 Rf8 29.Qa6 Bb4 30.Rb7 Be1 31.Rb1 Bd2 32.Qa2 Bc3 33.Ne2 Rc8 34.Rc1 1-0 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "14"] [Result "0-1"] [White "Samuel Reshevsky"] [Black "Larry Mark Christiansen"] [ECO "A43"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "94"] 1.d4 Nf6 2.Nf3 c5 3.d5 g6 4.c4 Bg7 5.Nc3 O-O 6.e4 d6 7.Be2 e6 8.O-O Re8 9.Nd2 Na6 10.Re1 Nc7 11.Bf1 b6 12.Nf3 exd5 13.cxd5 Bg4 14.h3 Bxf3 15.Qxf3 Nd7 16.Bf4 Ne5 17.Qg3 Bf6 18.a4 a6 19.Qe3 Rb8 20.Rab1 b5 21.b4 c4 22.Qd2 bxa4 23.Nxa4 Nb5 24.Bxe5 Bxe5 25.Bxc4 Qf6 26.Qd3 h5 27.g3 h4 28.f4 hxg3 29.Rf1 Bxf4 30.Bxb5 axb5 31.Nc3 Qg5 32.Kg2 Be5 33.Rbe1 Kg7 34.Nxb5 Rh8 35.Rh1 Rh4 36.Nd4 Rxb4 37.Nf3 Qf6 38.Rhf1 Rf4 39.Re2 g5 40.Qc2 Rb8 41.Qd3 Rh8 42.Ree1 g4 43.Nxe5 gxh3 44.Kg1 h2 45.Kh1 g2 46.Kxg2 h1=Q+ 47.Rxh1 Rf2+ 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "14"] [Result "1/2-1/2"] [White "Yasser Seirawan"] [Black "James Tarjan"] [ECO "A40"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "26"] 1.c4 c5 2.Nc3 g6 3.e3 Bg7 4.d4 Nf6 5.Nf3 O-O 6.Be2 d5 7.cxd5 Qa5 8.dxc5 Nxd5 9.Qxd5 Bxc3+ 10.Bd2 Rd8 11.Qxd8+ Qxd8 12.Bxc3 Nd7 13.b4 a5 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "14"] [Result "1/2-1/2"] [White "Anatoly Lein"] [Black "Robert Eugene Byrne"] [ECO "E46"] [WhiteElo "2510"] [BlackElo "2510"] [PlyCount "95"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nge2 d5 6.a3 Be7 7.cxd5 exd5 8.g3 a5 9.Bg2 Na6 10.O-O Re8 11.h3 c6 12.Nf4 Nc7 13.Bd2 Bd6 14.Rc1 Bf5 15.g4 Bxf4 16.gxf5 Bd6 17.Kh1 Re7 18.Rg1 Nce8 19.Bf1 Bc7 20.Bd3 Nd6 21.Qf3 Qf8 22.Rg2 Nde4 23.Rd1 Kh8 24.Bc1 g5 25.Kg1 Qh6 26.Kf1 Rg8 27.Ke2 g4 28.Rxg4 Nxg4 29.hxg4 Nf6 30.Rh1 Qg5 31.Bd2 Qxg4 32.Rh6 Qxf3+ 33.Kxf3 Kg7 34.Rh4 Ree8 35.e4 dxe4+ 36.Nxe4 Nxe4 37.Bxe4 Bd8 38.f6+ Kxf6 39.Rh6+ Ke7 40.Bf4 Rg6 41.Rxh7 Rf6 42.Ke3 Kd7 43.f3 Bb6 44.Bg5 Rd6 45.Rxf7+ Kc8 46.Bf6 Rxf6 47.Rxf6 Rd8 48.Ke2 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "14"] [Result "1/2-1/2"] [White "Boris Markovich Kogan"] [Black "John A Peters"] [ECO "A04"] [WhiteElo "2440"] [BlackElo "2445"] [PlyCount "32"] 1. Nf3 c5 2. g3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 d6 7. Bg2 Be6 8. Ne3 Rc8 9. O-O Qd7 10. Na3 h5 11. h4 g5 12. hxg5 h4 13. f4 Bh3 14. g4 Bxg4 15. Nxg4 Qxg4 16. e3 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "15"] [Result "0-1"] [White "Lev Alburt"] [Black "John A Peters"] [ECO "A62"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "80"] 1.d4 Nf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.Nf3 Bg7 8.Bg2 O-O 9.O-O Re8 10.Bf4 Ne4 11.Nxe4 Rxe4 12.Nd2 Rb4 13.a3 Rxf4 14.gxf4 Bxb2 15.Ra2 Bg7 16.e4 Na6 17.Re1 b5 18.e5 Bf5 19.e6 Nc7 20.Nb3 a5 21.Rae2 Bc3 22.e7 Qd7 23.e8=Q+ Rxe8 24.Rxe8+ Nxe8 25.Re3 Bf6 26.Nxa5 Ng7 27.Nc6 Nh5 28.Bf1 c4 29.a4 Nxf4 30.axb5 c3 31.b6 c2 32.Qc1 Nxd5 33.Rb3 Nxb6 34.Rxb6 Be4 35.h3 Qf5 36.Bg2 Qg5 37.Ne7+ Kg7 38.Nf5+ gxf5 39.Qxg5+ Bxg5 40.Rc6 Bxc6 0-1 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "15"] [Result "1/2-1/2"] [White "Sergey Gennadyevich Kudrin"] [Black "Joel Benjamin"] [ECO "A15"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "29"] 1.c4 Nf6 2.g3 g6 3.Bg2 Bg7 4.Nc3 O-O 5.Nf3 d6 6.O-O e5 7.d3 Nc6 8.Rb1 Nd4 9.a3 a5 10.b4 axb4 11.axb4 c6 12.Bd2 Bg4 13.e3 Nxf3+ 14.Bxf3 Bxf3 15.Qxf3 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "15"] [Result "1/2-1/2"] [White "Larry Mark Christiansen"] [Black "Lubomir Kavalek"] [ECO "A29"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "62"] 1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.d3 O-O 9.a3 Be6 10.b4 f6 11.Ne4 Qd7 12.Qc2 a6 13.Rb1 Rab8 14.Be3 Nd5 15.Bc5 Bd6 16.Rfd1 b6 17.Bxd6 cxd6 18.d4 Nce7 19.dxe5 dxe5 20.Rbc1 Rfc8 21.Qb2 Rxc1 22.Rxc1 Rc8 23.e3 Rxc1+ 24.Qxc1 Nc7 25.Nc3 Ned5 26.Nxd5 Bxd5 27.Nd2 Bxg2 28.Kxg2 Ne6 29.Qc4 b5 30.Qc2 Ng5 31.h4 Nf7 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "15"] [Result "1/2-1/2"] [White "Robert Eugene Byrne"] [Black "Leonid Alexandrovich Shamkovich"] [ECO "B81"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "29"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 h6 7.h3 Nc6 8.Be3 a6 9.Bg2 Nxd4 10.Qxd4 e5 11.Qd2 Be6 12.O-O-O Qa5 13.Kb1 Be7 14.f4 Rc8 15.Nd5 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "15"] [Result "1/2-1/2"] [White "John Fedorowicz"] [Black "James Tarjan"] [ECO "A36"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "23"] 1.c4 c5 2.Nc3 g6 3.g3 Bg7 4.Bg2 Nc6 5.e3 e6 6.Nge2 Nge7 7.O-O O-O 8.d4 cxd4 9.Nxd4 Nxd4 10.exd4 d5 11.cxd5 Nxd5 12.Nxd5 1/2-1/2 [Event "USA-ch/zt"] [Site "South Bend, IN USA"] [Date "1981.07.??"] [EventDate "1981.07.00"] [Round "15"] [Result "1/2-1/2"] [White "Anatoly Lein"] [Black "Yasser Seirawan"] [ECO "A07"] [WhiteElo "2510"] [BlackElo "2565"] [PlyCount "72"] 1. g3 d5 2. Nf3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Nc6 6. e4 Nge7 7. Nc3 dxe4 8. dxe4 Nd4 9. Bg5 c6 10. Nxd4 exd4 11. Ne2 h6 12. Bd2 c5 13. c3 Qb6 14. Qc2 O-O 15. Nf4 g5 16. Nd5 Nxd5 17. exd5 Bg4 18. Rfe1 Rae8 19. Be4 Bh5 20. cxd4 cxd4 21. Qb3 Rd8 22. Qxb6 axb6 23. d6 d3 24. Bb4 Be2 25. Rad1 Rfe8 26. Bxd3 Bxd1 27. Rxd1 Bxb2 28. a4 Kg7 29. Kg2 h5 30. h3 Re5 31. Bb5 Re4 32. Be1 Ba3 33. d7 Bb4 34. Bxb4 Rxb4 35. Rd5 Kf6 36. Kf3 h4 1/2-1/2 [Event "USA-ch / Zonal"] [Site "South Bend, IN USA"] [Date "1981.07.29"] [EventDate "1981.07.00"] [Round "15"] [Result "1-0"] [White "Samuel Reshevsky"] [Black "Boris Markovich Kogan"] [ECO "A33"] [WhiteElo "?"] [BlackElo "2445"] [PlyCount "107"] 1.Nf3 c5 2.c4 Nf6 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 e6 6.g3 Bc5 7.Nb3 Bb4 8.Bg2 d5 9.cxd5 Nxd5 10.O-O Nxc3 11.Qxd8+ Nxd8 12.bxc3 Bxc3 13.Rb1 a5 14.Rd1 f6 15.a3 Rf8 16.Nc5 Rf7 17.Bf4 g5 18.Bd6 e5 19.Bd5 Bd4 20.Bxf7+ Kxf7 21.e3 Bxc5 22.Bxc5 Bg4 23.Rdc1 Bf3 24.Bb6 Ne6 25.Rb5 a4 26.h3 h5 27.Ra5 Rxa5 28.Bxa5 Bc6 29.Rc4 Ng7 30.Bb6 Nf5 31.Bc5 Ke6 32.Rb4 Nh6 33.f4 g4 34.h4 Kf5 35.Bd6 Nf7 36.Bc7 Nh6 37.Kf2 Ng8 38.e4+ Bxe4 39.fxe5 Bc6 40.Rc4 Ke6 41.exf6 Nxf6 42.Bf4 Nd7 43.Ke3 Kf5 44.Kd4 Kf6 45.Bg5+ Kf7 46.Rc1 Nf8 47.Ke5 Kg6 48.Be7 Nd7+ 49.Ke6 Nb6 50.Rc5 Bd7+ 51.Kd6 Bc6 52.Bd8 Nc8+ 53.Ke6 Kh6 54.Bc7 1-0

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