[Event "Olympiad-25"] [Site "Luzern"] [Date "1982.11.01"] [Round "3"] [White "Mateo, Ramon"] [Black "Caiafas, Theophilus"] [Result "0-1"] [GameId "bOd1GumU"] [WhiteElo "2320"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "E62"] [Opening "King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System"] [Termination "Unknown"] [Annotator "lichess.org"] 1. Nf3 { [%eval 0.1] } 1... Nf6 { [%eval 0.18] } 2. c4 { [%eval 0.12] } 2... d6 { [%eval 0.5] } 3. d4 { [%eval 0.5] } 3... g6 { [%eval 0.4] } 4. g3 { [%eval 0.42] } 4... Bg7 { [%eval 0.39] } 5. Bg2 { [%eval 0.37] } 5... O-O { [%eval 0.34] } 6. O-O { [%eval 0.25] } 6... Nc6 { [%eval 0.49] } 7. Nc3 { [%eval 0.52] } 7... e5 { [%eval 0.39] } { E62 King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System } 8. dxe5 { [%eval 0.33] } 8... dxe5 { [%eval 0.4] } 9. Qxd8 { [%eval -0.04] } 9... Rxd8 { [%eval -0.08] } 10. Bg5 { [%eval -0.08] } 10... Be6 { [%eval 0.1] } 11. b3 { [%eval -0.37] } 11... h6 { [%eval -0.39] } 12. Bxf6 { [%eval -0.48] } 12... Bxf6 { [%eval -0.41] } 13. Rad1 { [%eval -0.49] } 13... Bg7 { [%eval -0.12] } 14. Nd2 { [%eval -0.29] } 14... f5 { [%eval -0.08] } 15. Nb5?! { (-0.08 → -0.68) Inaccuracy. Bd5 was best. } { [%eval -0.68] } (15. Bd5 Bxd5 16. cxd5 Ne7 17. Nc4 e4 18. Nb5 Nxd5 19. Rxd5 Rxd5 20. Nxc7 Rad8) 15... Rdc8?! { (-0.68 → -0.02) Inaccuracy. Rd7 was best. } { [%eval -0.02] } (15... Rd7 16. Nb1 Rf7 17. N1c3 a6 18. Bxc6 bxc6 19. Na3 e4 20. Nab1 g5 21. f3) 16. e4 { [%eval -0.32] } 16... f4 { [%eval -0.31] } 17. gxf4 { [%eval -0.33] } 17... exf4 { [%eval -0.35] } 18. e5 { [%eval -0.32] } 18... a6 { [%eval -0.13] } 19. Bxc6 { [%eval -0.14] } 19... bxc6 { [%eval -0.19] } 20. Nd4 { [%eval -0.35] } 20... Bg4 { [%eval -0.44] } 21. f3 { [%eval -0.63] } 21... Bh3 { [%eval -0.29] } 22. Rfe1 { [%eval -0.31] } 22... c5 { [%eval -0.33] } 23. Nc6 { [%eval -0.3] } 23... Re8 { [%eval -0.33] } 24. Ne4 { [%eval -0.32] } 24... Re6 { [%eval -0.31] } 25. Nd8 { [%eval -0.31] } 25... Rxe5 { [%eval -0.41] } 26. Nb7?! { (-0.41 → -1.33) Inaccuracy. Nc6 was best. } { [%eval -1.33] } (26. Nc6 Re6 27. Nd8 Bd4+ 28. Rxd4 cxd4 29. Nxe6 Bxe6 30. Nc5 Bf5 31. Kf2 d3) 26... Rae8 { [%eval -1.07] } 27. Nbxc5?? { (-1.07 → -4.01) Blunder. Kf2 was best. } { [%eval -4.01] } (27. Kf2 Rxe4 28. Rxe4 Rxe4 29. fxe4 Bd4+ 30. Ke1 Kg7 31. b4 Bc3+ 32. Kf2 cxb4) 27... Rxc5 { [%eval -3.67] } 28. Nf6+?! { (-3.67 → -4.66) Inaccuracy. Nxc5 was best. } { [%eval -4.66] } (28. Nxc5 Rxe1+ 29. Rxe1 Bd4+ 30. Kh1 Bxc5 31. Re8+ Kg7 32. Re5 Bb4 33. a3 Bxa3) 28... Bxf6 { [%eval -4.69] } 29. Rxe8+ { [%eval -4.58] } 29... Kf7 { [%eval -4.59] } 30. Re2 { [%eval -4.46] } 30... Rg5+ { [%eval -5.02] } 31. Kh1 { [%eval -4.9] } 31... c5 { [%eval -4.76] } 32. Rd5 { [%eval -5.36] } 32... Rxd5?! { (-5.36 → -4.15) Inaccuracy. Bd4 was best. } { [%eval -4.15] } (32... Bd4 33. Rxg5 hxg5 34. Re4 Be3 35. a3 g4 36. fxg4 Bxg4 37. Kg2 Be2 38. Rxe3) 33. cxd5 { [%eval -4.66] } 33... Bd4 { [%eval -4.34] } 34. d6 { [%eval -5.1] } 34... Be3 { [%eval -5.07] } 35. Re1 { [%eval -5.63] } 35... Ke6 { [%eval -5.8] } 36. Rd1 { [%eval -5.68] } 36... Bd4 { [%eval -5.29] } 37. b4 { [%eval -5.14] } 37... Kxd6 { [%eval -4.99] } 38. bxc5+ { [%eval -5.34] } 38... Kxc5 { [%eval -4.84] } 39. a4?! { (-4.84 → -7.55) Inaccuracy. Rd3 was best. } { [%eval -7.55] } (39. Rd3 g5 40. Ra3 g4 41. fxg4 Bxg4 42. Kg2 f3+ 43. Rxf3 Bxf3+ 44. Kxf3 h5) 39... g5 { [%eval -7.31] } 40. Rc1+ { [%eval -8.55] } 40... Kd5 { [%eval -7.31] } 41. a5? { (-7.31 → Mate in 14) Checkmate is now unavoidable. Rc2 was best. } { [%eval #-14] } (41. Rc2 g4 42. fxg4 f3 43. g5 hxg5 44. a5 Bg2+ 45. Rxg2 fxg2+ 46. Kxg2 Bc3) 41... Bf5?? { (Mate in 14 → -4.67) Lost forced checkmate sequence. g4 was best. } { [%eval -4.67] } (41... g4 42. Rc2 gxf3 43. Rf2 Bg2+ 44. Kg1 Bxf2+ 45. Kxf2 Ke4 46. h4 h5 47. Ke1) 42. Rc7?! { (-4.67 → -6.26) Inaccuracy. Kg2 was best. } { [%eval -6.26] } (42. Kg2 g4 43. h3 gxf3+ 44. Kxf3 Be3 45. Rc7 Be4+ 46. Kg4 f3 47. Rf7 Ke5) 42... g4 { [%eval -5.72] } { Black wins. } 0-1