[Event "Simultaneous exhibition"] [Site "Brisbane"] [Date "1963.10.06"] [Round "1"] [White "Alexander Kotov"] [Black "Josef Tarnawski"] [Result "0-1"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B30"] [Opening "Sicilian Defense: Old Sicilian"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 Nc6 { B30 Sicilian Defense: Old Sicilian } 3. c3 d6?! { (0.12 → 0.74) Inaccuracy. Nf6 was best. } (3... Nf6 4. e5 Nd5 5. Bc4 Nb6 6. Bb3 d5 7. exd6 Qxd6 8. d4) 4. d4 Nf6 5. Bd3 Bg4?! { (0.74 → 1.38) Inaccuracy. cxd4 was best. } (5... cxd4 6. cxd4 Bg4 7. d5 Bxf3 8. gxf3 Ne5 9. Qa4+ Ned7 10. f4) 6. O-O? { (1.38 → -0.13) Mistake. d5 was best. } (6. d5 Bxf3 7. Qxf3 Ne5 8. Bb5+ Ned7 9. g4 g6 10. Qg2 a6) 6... g6? { (-0.13 → 1.32) Mistake. cxd4 was best. } (6... cxd4 7. cxd4 Nxd4 8. Qa4+ Nc6 9. e5 Bxf3 10. exf6 Bd5 11. fxe7) 7. d5 Bxf3 8. Qxf3 Ne5 9. Qe2 Nxd3 10. Qxd3 Bg7 11. Nd2 a6 12. Nf3 O-O 13. Bg5 Ng4?! { (0.18 → 0.79) Inaccuracy. b5 was best. } (13... b5) 14. Rfe1 Qc7 15. h3 c4 16. Qd2 Ne5 17. Nxe5 dxe5 18. Bh6?! { (0.99 → 0.27) Inaccuracy. a4 was best. } (18. a4 f5) 18... Rad8 19. Bxg7 Kxg7 20. h4 f5 21. Qg5?! { (0.21 → -0.54) Inaccuracy. exf5 was best. } (21. exf5 Rxf5) 21... fxe4 22. h5 Rf5 23. h6+ Kg8?! { (-1.68 → -0.74) Inaccuracy. Kf7 was best. } (23... Kf7 24. Qd2 Qc5 25. Rxe4 Rxd5 26. Qc2 Rd3 27. Rae1 Qd5 28. g4 Rf4 29. Qe2 Rxe4 30. Qxe4) 24. Qd2 e6 25. Rxe4 exd5 26. Rh4 Qe7 27. Rh3? { (-1.07 → -2.33) Mistake. Rg4 was best. } (27. Rg4) 27... Rg5?? { (-2.33 → -0.27) Blunder. d4 was best. } (27... d4) 28. Qe2 Qe6 29. Qf3?! { (-0.46 → -1.34) Inaccuracy. Qe3 was best. } (29. Qe3 Rf5 30. b3 b5 31. Rf3 Rxf3 32. Qxf3 d4 33. bxc4 bxc4 34. Qb7 Qf7 35. Qxa6 Rf8) 29... e4?! { (-1.34 → -0.56) Inaccuracy. Rf5 was best. } (29... Rf5 30. Qe3) 30. Qe3 Qf5 31. Qd4 Rd7 32. Qc5?? { (-0.61 → -17.40) Blunder. Qe3 was best. } (32. Qe3 Qe5 33. b3 b5 34. bxc4 bxc4 35. Qb6 Qd6 36. Qxd6 Rxd6 37. Rb1 Rd7 38. Re3 Rh5) 32... Qxh3 33. g3?! { (-19.38 → Mate in 8) Checkmate is now unavoidable. Kf1 was best. } (33. Kf1 Qxg2+) 33... Rh5 34. Qc8+ Kf7 35. Qxd7+ Qxd7 36. f3 e3 37. g4 Rxh6 38. Re1 d4 39. cxd4 Qxd4 40. Kg2 Qd2+ 41. Kg1 Qf2# { Black wins by checkmate. } 0-1