[Event "Mar del Plata International-27"]
[Site "Mar del Plata"]
[Date "1966.03.13"]
[Round "2"]
[White "Reshevsky, Samuel Herman"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Nf6 5. Bxc4 e6 6. Qe2 c5 7. dxc5 Bxc5 8. O-O Nc6 9. Nc3 O-O 10. Bd3 Bd7 11. Bd2 Bd6 12. Rfd1 Qe7 13. Rac1 Rfd8 14. Be1 Be8 15. Ng5 Ne5 16. Bb1 Rac8 17. f4 Ng6 18. Nge4 Nxe4 19. Bxe4 Bc6 20. a3 Bc5 21. g3 Nf8 22. Rxd8 Qxd8 23. Bxc6 Rxc6 24. Bf2 Qc7 25. Qd2 Be7 26. e4 Nd7 27. Kg2 h6 28. Ne2 Nf6 29. Be3 Rxc1 30. Qxc1 Qd7 31. Qc2 g6 32. g4 h5 33. h3 1/2-1/2