CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Wnet3VaV"] [Date "2023.08.29"] [White "Ephraim"] [Black "Bohdan"] [Result "0-1"] [UTCDate "2023.08.29"] [UTCTime "20:12:45"] [WhiteElo "1190"] [BlackElo "1534"] [WhiteRatingDiff "-7"] [BlackRatingDiff "+2"] [BlackTitle "🐍"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A04"] [Opening "Zukertort Opening: Queen's Gambit Invitation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. Nf3 e6 { A04 Zukertort Opening: Queen's Gambit Invitation } 2. Ne5?! { (0.22 → -0.37) Inaccuracy. d4 was best. } (2. d4 Nf6 3. c4 d5 4. Nc3 dxc4 5. e4 Bb4 6. Bg5 c5) 2... Qf6?! { (-0.37 → 0.58) Inaccuracy. c5 was best. } (2... c5 3. e3) 3. Ng4?! { (0.58 → -0.27) Inaccuracy. d4 was best. } (3. d4 c5) 3... Qf5 4. Ne3 Qf4?! { (0.02 → 0.76) Inaccuracy. Qa5 was best. } (4... Qa5 5. g3) 5. g3 Qe4 6. f3?! { (1.27 → 0.47) Inaccuracy. Bg2 was best. } (6. Bg2 Qd4 7. c4 c6 8. Nc3 d5 9. b3 Nf6 10. Bb2 Qb6 11. d4 Be7 12. O-O O-O) 6... Qb4 7. Ng4? { (0.80 → -0.50) Mistake. c4 was best. } (7. c4 c6 8. Nc3 d5 9. d4 Nf6 10. a3 Qb6 11. Bg2 Be7 12. O-O O-O 13. f4 Qd8) 7... Qd4?! { (-0.50 → 0.45) Inaccuracy. h5 was best. } (7... h5 8. Nf2 Qb6 9. c3 d5 10. Qb3 Nf6 11. Na3 Bd7 12. Qxb6 axb6 13. Nc2 c5 14. d4) 8. e3 Qb4?! { (0.24 → 0.82) Inaccuracy. Qb6 was best. } (8... Qb6) 9. c3 Qe7 10. Ne5?! { (0.90 → 0.03) Inaccuracy. e4 was best. } (10. e4 d5) 10... Qd8 11. d3 d6 12. Nc4?! { (0.35 → -0.21) Inaccuracy. Ng4 was best. } (12. Ng4) 12... d5 13. Ne5 Qd6?! { (-0.30 → 0.44) Inaccuracy. f6 was best. } (13... f6 14. Ng4 e5 15. Nf2 Nc6 16. d4 Be6 17. b4 Bd6 18. Nd2 f5 19. b5 Na5 20. Qa4) 14. Ng4?! { (0.44 → -0.55) Inaccuracy. d4 was best. } (14. d4 c5 15. e4 Nf6 16. Nd3 Qb6 17. Nxc5 Bxc5 18. dxc5 Qxc5 19. e5 Nfd7 20. f4 O-O) 14... e5 15. Bd2?! { (-0.20 → -0.95) Inaccuracy. d4 was best. } (15. d4 Nc6) 15... Bxg4 16. fxg4 Nc6?! { (-0.72 → -0.13) Inaccuracy. Nd7 was best. } (16... Nd7 17. Bg2 h5 18. gxh5 Ngf6 19. O-O Qe6 20. c4 dxc4 21. dxc4 O-O-O 22. Qe2 Rxh5 23. Nc3) 17. Na3?! { (-0.13 → -0.72) Inaccuracy. Bg2 was best. } (17. Bg2 O-O-O 18. O-O Qe6 19. b4 h5 20. b5 Nce7 21. g5 h4 22. c4 hxg3 23. cxd5 Nxd5) 17... Qd8?! { (-0.72 → 0.22) Inaccuracy. Qe6 was best. } (17... Qe6 18. Qb3) 18. Nb5? { (0.22 → -1.00) Mistake. Bg2 was best. } (18. Bg2 Bxa3 19. bxa3 Nge7 20. Rb1 Rb8 21. O-O O-O 22. Rf2 e4 23. dxe4 dxe4 24. Bxe4 Ng6) 18... a6 19. Na3 Bxa3 20. bxa3 Qg5?? { (-1.28 → 0.71) Blunder. h6 was best. } (20... h6 21. Rb1 Nf6 22. Rxb7 O-O 23. Be2 Na5 24. Rb1 e4 25. d4 Qd7 26. O-O Rfb8 27. h3) 21. e4 Qf6?? { (0.27 → 3.59) Blunder. Qd8 was best. } (21... Qd8 22. Qb3 d4 23. Qxb7 Nge7 24. c4 O-O 25. Be2 Rb8 26. Qxa6 Ra8 27. Qb5 Rxa3 28. Bc1) 22. exd5 Nce7 23. d4?? { (4.14 → 1.35) Blunder. c4 was best. } (23. c4 e4 24. Rb1 exd3 25. Bxd3 Qd4 26. Qe2 Nf6 27. g5 Ng4 28. Qe4 Qxe4+ 29. Bxe4 f5) 23... Nxd5 24. dxe5?! { (1.12 → 0.32) Inaccuracy. c4 was best. } (24. c4 Nb6) 24... Qxe5+ 25. Kf2?? { (0.39 → -1.49) Blunder. Qe2 was best. } (25. Qe2 Qxe2+ 26. Bxe2 O-O-O 27. g5 h6 28. c4 Nb6 29. c5 Na4 30. c6 Kb8 31. cxb7 hxg5) 25... Ngf6? { (-1.49 → 0.00) Mistake. O-O-O was best. } (25... O-O-O 26. Qf3) 26. h4?? { (0.00 → -8.53) Blunder. Qa4+ was best. } (26. Qa4+ b5 27. Bxb5+ axb5 28. Qxa8+ Kd7 29. Qxh8 Nxg4+ 30. Kg1 Nxc3 31. Bxc3 Qe3+ 32. Kg2 Qe2+) 26... Ne4+ 27. Kf3? { (-8.56 → Mate in 6) Checkmate is now unavoidable. Kg1 was best. } (27. Kg1) 27... Qxg3+ 28. Kxe4 Nf6+? { (Mate in 5 → -8.88) Lost forced checkmate sequence. O-O-O was best. } (28... O-O-O 29. Qf3 Nf6+ 30. Qxf6 Rhe8+ 31. Qe6+ Rxe6+ 32. Kf5 Re5#) 29. Kf5? { (-8.88 → Mate in 6) Checkmate is now unavoidable. Kd4 was best. } (29. Kd4) 29... Qd6? { (Mate in 6 → -8.45) Lost forced checkmate sequence. O-O-O was best. } (29... O-O-O 30. Bg2 Rd6 31. Bxb7+ Kb8 32. h5 g6+ 33. hxg6 hxg6+ 34. Kg5 Qe5#) 30. Bg5? { (-8.45 → Mate in 1) Checkmate is now unavoidable. Qe2+ was best. } (30. Qe2+ Kf8) 30... Qe6+?? { (Mate in 1 → 1.32) Lost forced checkmate sequence. g6# was best. } (30... g6#) 31. Kf4 Qe4+?? { (1.42 → 4.90) Blunder. O-O was best. } (31... O-O 32. Kg3) 32. Kg3 Qxh1 33. Qf3?? { (5.53 → -7.91) Blunder. Bb5+ was best. } (33. Bb5+ axb5 34. Qxh1 O-O-O 35. Qf3 Rhe8 36. Bxf6 gxf6 37. Rb1 Re5 38. Qxf6 Rde8 39. Qxf7 b6) 33... Qxf3+ 34. Kxf3 O-O 35. Re1 h5 36. gxh5 Nxh5 37. Kg4 g6 38. Kh3 f5? { (-7.45 → -3.77) Mistake. Rfe8 was best. } (38... Rfe8 39. Rb1) 39. Be7? { (-3.77 → -7.50) Mistake. Bc4+ was best. } (39. Bc4+ Kh8) 39... Rf7 40. Bg5 Rd7 41. Bc4+ Kg7 42. a4 b5?! { (-6.08 → -4.26) Inaccuracy. c6 was best. } (42... c6 43. a5) 43. axb5 axb5 44. Bxb5 Rd6?? { (-4.38 → -0.11) Blunder. c6 was best. } (44... c6) 45. Be7?? { (-0.11 → -4.00) Blunder. Re7+ was best. } (45. Re7+ Kh8 46. Rxc7 Rxa2 47. Rc8+ Kh7 48. Rc7+ Ng7 49. Bf4 Re6 50. Bc4 Ra4 51. Bg5 Rb6) 45... Rb6 46. Bc4?! { (-3.91 → -5.41) Inaccuracy. a4 was best. } (46. a4 Nf4+ 47. Kg3 Re6 48. Rxe6 Nxe6 49. Bc6 Ra6 50. Bb5 Rb6 51. Kf2 Kf7 52. Bb4 c5) 46... Rbb8?! { (-5.41 → -4.05) Inaccuracy. Rc6 was best. } (46... Rc6 47. Bb3) 47. Ra1?! { (-4.05 → -6.41) Inaccuracy. Bg5 was best. } (47. Bg5 Re8) 47... Nf4+ 48. Kg3 Nh5+ 49. Kf3 Re8?! { (-5.40 → -3.57) Inaccuracy. Ra4 was best. } (49... Ra4) 50. Bb4? { (-3.57 → -6.25) Mistake. Bg5 was best. } (50. Bg5 Ra5) 50... Rad8?! { (-6.25 → -4.47) Inaccuracy. Re5 was best. } (50... Re5 51. a4) 51. a4 f4?? { (-5.01 → -0.71) Blunder. Re4 was best. } (51... Re4) 52. a5?? { (-0.71 → Mate in 9) Checkmate is now unavoidable. Bc5 was best. } (52. Bc5 Nf6) 52... Re3+ 53. Kf2 Rd2+ 54. Kf1 Rh3?! { (Mate in 5 → -10.15) Lost forced checkmate sequence. f3 was best. } (54... f3 55. Be2 Rexe2 56. Bf8+ Kxf8 57. c4 Ng3+ 58. Kg1 Rg2#) 55. Ke1 Rg2 56. Kf1?! { (-13.56 → Mate in 5) Checkmate is now unavoidable. Be2 was best. } (56. Be2 Ng3 57. Ra2 Rh1+ 58. Kd2 Rxe2+ 59. Kd3 Rxa2 60. Kc4 Rxh4 61. Be7 Rh3 62. Kb4 f3) 56... Rb2?! { (Mate in 5 → -12.86) Lost forced checkmate sequence. f3 was best. } (56... f3 57. Bf8+ Kxf8 58. Ke1 Rh1+ 59. Bf1 Re2+ 60. Kd1 Rxf1#) 57. Ke1?! { (-12.86 → Mate in 4) Checkmate is now unavoidable. Be2 was best. } (57. Be2 Rh1+ 58. Kf2 Rxa1 59. Kf3 Re1 60. Bc5 Rexe2 61. Bd4+ Kf7 62. a6 Ra2 63. a7 Re1) 57... Ng3 58. Bc5 Rh1+ 59. Bf1 Rxf1# { Black wins by checkmate. } 0-1