[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.10.29"]
[Round "4"]
[White "Casa, Alex"]
[Black "Pomar Salamanca, Arturo"]
[Result "0-1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. Nb3 Qb6 10. Be3 Qc7 11. f4 a6 12. Be2 b5 13. Bf3 Bb7 14. g4 Na5 15. g5 Nc4 16. Qd3 Nd7 17. h4 Rac8 18. Rh2 Rfd8 19. h5 Nc5 20. Qe2 Nxb3+ 21. axb3 Nxb2 22. Kxb2 Qxc3+ 23. Kb1 d5 24. Bd4 Qc7 25. e5 Bc5 26. Bb2 d4 27. Bxb7 Qxb7 28. Qd3 Qd5 29. g6 fxg6 30. hxg6 h6 31. Rdh1 Rd7 32. Bc1 Bf8 33. Bb2 Bb4 34. Rd1 Bc3 35. Bc1 a5 36. Bb2 b4 37. Re2 a4 38. Qe4 axb3 39. Qxd5 bxc2+ 40. Rxc2 Rxd5 41. Rd3 Rf8 42. Bc1 b3 43. Rg2 Ra5 0-1