21st US Championship and World Championship Zonal; 1972 April 23 - May 15 New York, NY 1 2 3 4 5 6 7 8 9 0 1 2 3 4 1. Byrne, R. x ½ 1 ½ ½ ½ ½ 1 ½ ½ 1 1 1 ½ 9 - 4 2. Kavalek ½ x 1 ½ ½ ½ ½ 1 ½ ½ 1 ½ 1 1 9 - 4 3. Reshevsky 0 0 x ½ ½ ½ 1 1 1 ½ 1 1 1 1 9 - 4 4. Evans ½ ½ ½ x ½ ½ 1 ½ 0 1 ½ 1 1 1 8½- 4½ 5. Benko ½ ½ ½ ½ x ½ ½ ½ ½ ½ 1 ½ 1 1 8 - 5 6. deFotis ½ ½ ½ ½ ½ x ½ 0 1 ½ 1 ½ 1 ½ 7½- 5½ 7. Lombardy ½ ½ 0 0 ½ ½ x ½ 1 1 1 1 0 1 7½- 5½ 8. Mednis 0 0 0 ½ ½ 1 ½ x ½ 1 ½ 1 ½ 1 7 - 6 9. Bisguier ½ ½ 0 1 ½ 0 0 ½ x ½ ½ 1 1 ½ 6½- 6½ 10. Martz ½ ½ ½ 0 ½ ½ 0 0 ½ x ½ 1 1 1 6½- 6½ 11. Kaufman 0 0 0 ½ 0 0 0 ½ ½ ½ x 1 1 1 5 - 8 12. Feuerstein 0 ½ 0 0 ½ ½ 0 0 0 0 0 x 1 ½ 3 -10 13. Horowitz 0 0 0 0 0 0 1 ½ 0 0 0 0 x 1 2½-10½ 14. Popovych ½ 0 0 0 0 ½ 0 0 ½ 0 0 ½ 0 x 2 -11 FIRST PLACE PLAYOFF (February, 1973) 1 2 3 Score 1. Byrne xx 1½ ½1 3-1 2. Reshevsky 0½ xx ½1 2-2 3. Kavalek ½0 ½0 xx 1-3 Round by Round 1 2 3 4 5 6 Byrne - ½ 1 - 1 ½ 3-1 Reshevsky ½ - 0 1 - ½ 2-2 Kavalek ½ ½ - 0 0 - 1-3
The playoff was necessary, since there was a three-way tie for first, but only two spots in the Interzonal were available. Byrne and Reshevsky, as the top two finishers in the playoff, played in the 1973 Interzonals.