[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.05.21"]
[Round "2"]
[White "Spassky, Boris Vasilievich"]
[Black "Tringov, Georgi Petrov"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3
Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 cxd4 13. cxd4 Nc6 14. d5 Nb4 15. Bb1 a5 16. a3 Na6 17.
b4 axb4 18. axb4 Nb6 19. Qb3 Bd7 20. Bd3 Qb8 21. Nf1 Nc4 22. Rb1 Rc8 23. Ng3 g6 24. Qd1
Nb6 25. Ng5 Rc7 26. f4 Qd8 27. Nf3 f6 28. Kh2 Na4 29. Qd2 Rac8 30. Rf1 Bf8 31. f5 g5 32.
Ra1 Nb8 33. Qe2 Be8 34. Be3 Qd7 35. Bxg5 fxg5 36. Nxg5 Bh6 37. Ne6 Rc3 38. Qg4+ Kh8 39.
Qh4 Rxd3 40. Qxh6 Qf7 41. f6 Rxg3 42. Kxg3 Qg6+ 43. Qxg6 Bxg6 44. f7 Nd7 45. Rac1 Rf8 46.
Rc6 1-0