[Event "Capablanca Memorial-10"]
[Site "Cienfuegos"]
[Date "1973.03.08"]
[Round "14"]
[White "De Greif, Boris"]
[Black "Peev, Peicho Chonev"]
[Result "0-1"]

1. Nf3 g6 2. d4 Bg7 3. Bf4 d6 4. e3 Nf6 5. Be2 O-O 6. O-O Nbd7 7. Nbd2 Re8 8. h3 e5 9. Bh2 exd4 10. Nxd4 Nc5 11. c4 Nfe4 12. Nxe4 Nxe4 13. Qc2 a5 14. Rad1 a4 15. Nb5 Bd7 16. f3 Nc5 17. e4 Ne6 18. Rd2 Qg5 19. Rfd1 a3 20. b4 Rec8 21. Kh1 Nf4 22. Bf1 Nh5 23. g4 Nf4 24. Nc3 Be5 25. b5 Qf6 26. Nd5 Nxd5 27. Rxd5 Bxh2 28. Qxh2 Qxf3+ 29. Bg2 Qe2 30. e5 Qxa2 31. exd6 c6 32. R5d4 Re8 33. Qf4 Qb3 34. Rf1 Rf8 35. bxc6 bxc6 36. Rdd1 a2 37. Qd4 Ra4 38. Ra1 Be6 39. Rfc1 Bxc4 40. Qc3 Qb5 41. Rd1 Bd5 42. Qf6 Qb3 43. Kg1 Bxg2 44. Kxg2 Ra3 45. Qh4 Qf3+ 46. Kg1 Rd3 47. Rxd3 Qxd3 0-1