[Event "Chigorin Memorial-03"]
[Site "Sochi"]
[Date "1963.06.11"]
[Round "10"]
[White "Bilek, Istvan"]
[Black "Zaitsev, Alexander N"]
[Result "0-1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 c5 5. dxc5 Bxc5 6. e3 Qa5+ 7. Nbd2 Ne4 8. cxd5 exd5 9. a3 Nxg5 10. Nxg5 Be7 11. b4 Qb6 12. Ngf3 a5 13. Qa4+ Bd7 14. b5 Bf6 15. Nd4 Na6 16. N2f3 Nc5 17. Qd1 a4 18. Be2 Nb3 19. Nxb3 axb3 20. Nd4 Bxd4 21. exd4 Qa5+ 22. Kf1 b2 23. Rb1 Qc3 24. Qe1 Qxd4 25. Bg4+ Kd8 26. Bxd7 Kxd7 27. Qe2 Rxa3 28. g3 Rb3 29. Kg2 Re8 30. Qh5 g6 31. Qh3+ Kd6 32. Rhd1 Qe4+ 33. Kg1 h5 34. Qf1 Qe2 35. Qg2 Rd3 36. Rf1 Rd2 37. Qh3 Qg4 0-1