[Event "Chess.com RCC Wk23 Swiss"] [Site "chess.com INT"] [Date "2022.07.30"] [Round "4"] [White "Shimanov, A."] [Black "Matlakov, M."] [Result "0-1"] [GameId "2xdtSWd5"] [WhiteElo "2581"] [BlackElo "2671"] [Variant "Standard"] [TimeControl "-"] [ECO "B21"] [Opening "Sicilian Defense: Smith-Morra Gambit"] [Termination "Unknown"] [Annotator "lichess.org"] 1. e4 c5 2. d4 { B21 Sicilian Defense: Smith-Morra Gambit } cxd4 3. Qxd4 Nc6 4. Qd3 Nf6 5. Nc3 g6 6. Nf3 Bg7 7. Be2 O-O 8. O-O d6 9. Nd5 Nd7 10. c3 e6 11. Nf4 Nc5 12. Qc2 b6 13. Be3 Bb7 14. Rad1 Qc7 15. Nd4 a6 16. f3 Rfe8 17. Qd2 Rad8 18. Nxc6 Bxc6 19. c4 b5 20. cxb5 Bxb5 21. Rc1 Qb7 22. b3 Be5 23. Rfd1 Rc8 24. Nh3 Bxe2 25. Qxe2 Qb5 26. Qd2 Rc6 27. Nf2 h5?! { (0.54 → 1.17) Inaccuracy. Rec8 was best. } (27... Rec8) 28. Rc4?! { (1.17 → 0.26) Inaccuracy. f4 was best. } (28. f4) 28... Rec8 29. Rdc1 Nd7 30. Rxc6 Rxc6 31. Rxc6 Qxc6 32. Nd3 Bg7 33. Qc1 Qb5 34. Qc8+ Kh7 35. Qc2 d5 36. exd5 exd5 37. a4 Qb7 38. b4 Ne5 39. Bc5 Nc4 40. Qe2 Qd7 41. a5 d4 42. Nf2 Ne3 43. Qa2?? { (-0.29 → -3.89) Blunder. Ne4 was best. } (43. Ne4 Qa4 44. Kf2 Be5 45. f4 Bxf4 46. Nf6+ Kh8 47. Bxd4 Qxb4 48. Bxe3 Bxe3+ 49. Qxe3 Qh4+) 43... Qf5?? { (-3.89 → -0.18) Blunder. Qb5 was best. } (43... Qb5 44. Qb1 Qe2 45. b5 axb5 46. Bb4 Be5 47. Qe1 Qa2 48. g3 Bg7 49. Qd2 Nc2 50. a6) 44. Ne4 g5? { (0.00 → 1.24) Mistake. Nd5 was best. } (44... Nd5 45. Qd2 Qe5 46. h4 Nc3 47. Qd3 Nxe4 48. Qxe4 Qb8 49. Qd5 Qg3 50. Qe4) 45. Qb1 Kg8 46. Qd3?! { (0.74 → 0.00) Inaccuracy. b5 was best. } (46. b5 g4) 46... g4? { (0.00 → 1.24) Mistake. Qd5 was best. } (46... Qd5 47. Kf2 Qa2+ 48. Qd2 Qa1 49. Qe1 Qa2+) 47. Nf2?? { (1.24 → -1.18) Blunder. Qxa6 was best. } (47. Qxa6 Qd5) 47... Qd5 48. Qe2?? { (-0.89 → -4.40) Blunder. Ne4 was best. } (48. Ne4 Qa2 49. Nd2 gxf3 50. gxf3 Bf6 51. h3 Bg7 52. f4 Qe6 53. Qe4 Qxh3 54. Qa8+ Kh7) 48... gxf3 49. gxf3? { (-4.23 → -9.31) Mistake. Qd3 was best. } (49. Qd3 Qa2 50. Bxd4 Bxd4 51. Qxd4 Qb1+ 52. Nd1 Nxd1 53. gxf3 Nc3+ 54. Kg2 Qc2+ 55. Kh3 Qf5+) 49... Qb3?? { (-9.31 → -1.25) Blunder. Qg5+ was best. } (49... Qg5+ 50. Ng4 hxg4 51. fxg4 Qd5 52. b5 Qxc5 53. Kf2 Be5 54. h3 axb5 55. Qxe3 dxe3+ 56. Kf3) 50. Nd3 Qb1+ 51. Kf2?? { (-1.16 → -8.67) Blunder. Ne1 was best. } (51. Ne1 Bf6 52. b5 Bh4 53. Bxd4 Bxe1 54. Bxe3 Bxa5+ 55. Kg2 Qxb5 56. Qc2 Bb4 57. Qc8+ Kh7) 51... Qh1 52. Kg3 Bf6?? { (-6.91 → -2.71) Blunder. Qg1+ was best. } (52... Qg1+) 53. Kf4?? { (-2.71 → -11.88) Blunder. Kh3 was best. } (53. Kh3 Qg1 54. Nf4 Qg5 55. Ng2 Qf5+ 56. Kg3 h4+ 57. Kf2 Ng4+ 58. Kf1 Nxh2+ 59. Kf2 Ng4+) 53... Qg1 54. h4?! { (-10.89 → Mate in 5) Checkmate is now unavoidable. Bxd4 was best. } (54. Bxd4 Nd5+ 55. Ke4 Qxd4+ 56. Kf5 Ne7+ 57. Qxe7 Bxe7 58. Nf4 Qxb4 59. Nd5 Qxa5 60. Ke5 Qe1+) 54... Qg6?! { (Mate in 5 → -10.09) Lost forced checkmate sequence. Nd5+ was best. } (54... Nd5+ 55. Ke4 Nc3+ 56. Kf4 Nxe2+ 57. Ke4 Qe3+ 58. Kd5 Qe6#) 55. Qh2?! { (-10.09 → Mate in 1) Checkmate is now unavoidable. Qxe3 was best. } (55. Qxe3 Qh6+ 56. Kf5 Qxe3 57. Kxf6 Qxd3 58. Ke5 Qc3 59. Bxd4 Qxb4 60. Ke4 Qe1+ 61. Kf5 Qxa5+) 55... Nd5# { Black wins. } 0-1