[Event "Chigorin Memorial-11"]
[Site "Sochi"]
[Date "1976.??.??"]
[Round "10"]
[White "Ree, Hans"]
[Black "Estevez Morales, Guillermo"]
[Result "1-0"]
[WhiteElo "2420"]
[BlackElo "2360"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 Bxc3+ 7. bxc3 d6 8. e3 e5 9. f3 Nbd7 10. Bd3 g5 11. Bg3 Qe7 12. Qc2 Kd8 13. Ne2 h5 14. h4 g4 15. Rf1 gxf3 16. gxf3 Kc7 17. Kd2 Rg8 18. Rg1 Re8 19. Raf1 Nb6 20. e4 Bh3 21. Rb1 Qd7 22. Rb5 a6 23. Rb3 Qa4 24. Rgb1 Nfd7 25. Qb2 Nxc4+ 26. Bxc4 Qxc4 27. Rxb7+ Kd8 28. Rh1 Bf5 29. Ke1 Ke7 30. exf5 Reb8 31. Qb3 Qd3 32. f6+ Kxf6 33. c4 Qf5 34. Kf2 Ke7 35. Rc1 a5 36. Qb1 e4 37. Rc3 Rxb7 38. Qxb7 Rb8 39. Qc7 Rb6 40. Re3 Kf8 41. Rxe4 1-0