CohenChessClub.com

[Event "February Chess Megatournament"] [Site "https://cohenchessclub.com/5ldFS9ad"] [Date "2023.01.21"] [White "Sasha"] [Black "Matthew4"] [Result "0-1"] [UTCDate "2023.01.21"] [UTCTime "20:49:11"] [WhiteElo "1545"] [BlackElo "2087"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+0"] [WhiteTitle "IM🧁"] [BlackTitle "GM🦃"] [Variant "Standard"] [TimeControl "900+0"] [ECO "D02"] [Opening "Queen's Pawn Game: Zukertort Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 { D02 Queen's Pawn Game: Zukertort Variation } Bf5 3. Nc3?! { (0.55 → 0.01) Inaccuracy. c4 was best. } (3. c4) 3... e6 4. Bg5 Be7 5. Bxe7 Qxe7 6. e3 Nf6 7. Bb5+ c6 8. Bd3 Bxd3 9. Qxd3 O-O 10. Qd1?! { (-0.04 → -0.62) Inaccuracy. O-O was best. } (10. O-O c5 11. e4 cxd4 12. Nxd4 dxe4 13. Nxe4 Nbd7 14. Rad1 h6 15. c3 Rfd8 16. h3 Nxe4) 10... Nbd7 11. O-O e5 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. Re1 Ne4 15. Nxe4 Qxe4 16. f3 Qg6 17. e4 dxe4 18. fxe4?! { (-0.11 → -0.90) Inaccuracy. Rxe4 was best. } (18. Rxe4) 18... Rad8 19. Qf3 Rfe8 20. Re2?! { (-0.87 → -1.66) Inaccuracy. Rad1 was best. } (20. Rad1 Qg5) 20... Re7?! { (-1.66 → -0.71) Inaccuracy. Re5 was best. } (20... Re5) 21. Rae1?! { (-0.71 → -1.38) Inaccuracy. e5 was best. } (21. e5 Qg5 22. Rae1 Re6 23. Qc3 Rd5 24. b3 h6 25. a4 Qf4 26. h3 a6 27. Re3 Qd4) 21... Rde8?! { (-1.38 → -0.77) Inaccuracy. Re5 was best. } (21... Re5 22. Qa3) 22. Qd3 h6 23. h3?! { (-0.68 → -1.67) Inaccuracy. Qd4 was best. } (23. Qd4 a6 24. e5 Qe6 25. a4 Rd7 26. Qc3 Rd5 27. h3 Qd7 28. b3 Re7 29. Re4 b5) 23... Qe6?! { (-1.67 → -0.80) Inaccuracy. Re5 was best. } (23... Re5 24. a3 a6 25. b4 R8e7 26. c4 c5 27. bxc5 Qc6 28. Qd6 Qxc5+ 29. Qxc5 Rxc5 30. e5) 24. Qe3?? { (-0.80 → -3.31) Blunder. b3 was best. } (24. b3 Qe5 25. c3 b6 26. Qd4 Kf8 27. Kf2 Qf4+ 28. Kg1 c5 29. Qd5 Qe5 30. Qxe5 Rxe5) 24... Qxa2 25. b3?! { (-3.37 → -4.34) Inaccuracy. Qc3 was best. } (25. Qc3 Re5) 25... Qa6?! { (-4.34 → -2.97) Inaccuracy. Rxe4 was best. } (25... Rxe4) 26. e5 Qa5 27. c3?! { (-2.93 → -4.54) Inaccuracy. Qg3 was best. } (27. Qg3 Re6 28. Kh1 Qc7 29. Re4 a5 30. R1e3 R8e7 31. Rg4 f5 32. exf6 Rxe3 33. fxe7 Qxg3) 27... Qb6? { (-4.54 → -2.38) Mistake. Rxe5 was best. } (27... Rxe5 28. Qxe5 Rxe5 29. Rxe5 Qxc3 30. R5e3 Qb4 31. Kh1 a5 32. Rf1 b5 33. Rd3 Qe7 34. Rc3) 28. Qxb6 axb6 29. c4 Re6 30. b4?? { (-2.04 → -4.60) Blunder. Kf2 was best. } (30. Kf2 Rd8) 30... Kh7?? { (-4.60 → -2.13) Blunder. f6 was best. } (30... f6 31. Rd2 Rxe5 32. Rxe5 Rxe5 33. Rd7 Re1+ 34. Kh2 Rb1 35. b5 cxb5 36. cxb5 Rxb5 37. Rxb7) 31. Kf2 Kg6 32. Kf3 Kf5?! { (-2.31 → -1.53) Inaccuracy. Ra8 was best. } (32... Ra8 33. Re4 Ra4 34. b5 Rb4 35. bxc6 bxc6 36. Rg4+ Kh7 37. Rge4 Rb3+ 38. Kf4 Kg6 39. R1e3) 33. g4+ Kg5 34. h4+ Kg6 35. Kf4 Kh7 36. c5?? { (-0.75 → -3.11) Blunder. h5 was best. } (36. h5 Rd8 37. Kf5 g5 38. hxg6+ Rxg6 39. Re4 Kg7 40. b5 cxb5 41. cxb5 Rd5 42. Kf4 Re6) 36... b5?? { (-3.11 → -1.17) Blunder. bxc5 was best. } (36... bxc5 37. bxc5 Rd8 38. h5 Rd4+ 39. Re4 Rd5 40. Rb1 Re7 41. Rc1 g5+ 42. hxg6+ fxg6 43. e6) 37. Re4?! { (-1.17 → -1.84) Inaccuracy. h5 was best. } (37. h5 Rd8 38. Kf5 Rd4 39. Re4 Rd5 40. R4e3 Re8 41. Re4 Kg8 42. Kf4 g5+ 43. hxg6 fxg6) 37... f6? { (-1.84 → -0.33) Mistake. Rd8 was best. } (37... Rd8 38. Kg3 Rd5 39. h5 Kg8 40. R1e3 Kf8 41. Kf4 g5+ 42. hxg6 fxg6 43. g5 h5 44. Kg3) 38. exf6 Rxf6+ 39. Kg3 Ref8 40. R4e3?? { (-0.87 → -3.87) Blunder. R1e3 was best. } (40. R1e3 Rf1) 40... R8f7?? { (-3.87 → -1.35) Blunder. Rf4 was best. } (40... Rf4 41. Re4 Rf3+ 42. Kg2 Rf2+ 43. Kg1 Rc2 44. Rf1 Rxf1+ 45. Kxf1 h5 46. Re5 hxg4 47. Re7) 41. g5?? { (-1.35 → -4.67) Blunder. h5 was best. } (41. h5 Rf4 42. Re4 Rf3+ 43. Kh4 Rd7 44. g5 hxg5+ 45. Kxg5 Rg3+ 46. Kf4 Rc3 47. Re7 Rc4+) 41... hxg5 42. hxg5 Rf4?? { (-4.88 → -0.15) Blunder. Rf5 was best. } (42... Rf5 43. Re7 Rxg5+ 44. Kh4 Rgf5 45. Rxf7 Rxf7 46. Kg4 g6 47. Rd1 Kg7 48. Rd6 Rf5 49. Rd7+) 43. Rh1+?? { (-0.15 → -6.60) Blunder. Re6 was best. } (43. Re6 Rf3+ 44. Kg2 g6 45. Re7 Kg7 46. Rxf7+ Rxf7 47. Re6 Rf4 48. Re7+ Kf8 49. Rxb7 Rxb4) 43... Kg6 44. Re6+ Kxg5 45. Re5+ R4f5 46. Rxf5+ Rxf5 47. Rg1 Kf6 48. Kg4? { (-7.43 → Mate in 15) Checkmate is now unavoidable. Re1 was best. } (48. Re1 Rd5) 48... Rg5+ 49. Kf4 Rxg1 50. Ke4 Rb1 51. Kd4 Rxb4+ 52. Kc3 Rc4+ 53. Kd3 g5 54. Ke3 g4 55. Kf2 Rxc5 56. Kg3 Rc4 57. Kg2 b4 58. Kg3 b3 59. Kf2 b2 60. Ke2 b1=Q 61. Kd2 Qb2+ 62. Kd3 Qb3+ 63. Ke2 Rc2+ 64. Kd1 Qb1# { Black wins by checkmate. } 0-1