CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/NYg0iZXW"] [Date "2023.03.07"] [White "Ellie"] [Black "Sophie3"] [Result "0-1"] [UTCDate "2023.03.07"] [UTCTime "15:35:45"] [WhiteElo "1160"] [BlackElo "889"] [WhiteRatingDiff "-20"] [BlackRatingDiff "+59"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Four Knights Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 Nf6?! { (0.21 → 0.82) Inaccuracy. e5 was best. } (1... e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a5 6. O-O) 2. Nc3?! { (0.82 → 0.30) Inaccuracy. e5 was best. } (2. e5 Nd5 3. c4 Nb6 4. Nf3 d6 5. exd6 exd6 6. d4 Be7) 2... Nc6?! { (0.30 → 0.95) Inaccuracy. e5 was best. } (2... e5 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 c6 9. Ba4) 3. Nf3?! { (0.95 → 0.07) Inaccuracy. d4 was best. } (3. d4 e6) 3... e5 { C46 Four Knights Game } 4. d3 d5 5. exd5 Nxd5 6. Nxd5?! { (-0.23 → -0.76) Inaccuracy. Be2 was best. } (6. Be2 Bb4 7. Bd2 Nxc3 8. Bxc3 Bxc3+ 9. bxc3 b6 10. d4 e4 11. Nd2 Bb7 12. Nxe4 Nxd4) 6... Be6?? { (-0.76 → 5.19) Blunder. Qxd5 was best. } (6... Qxd5 7. Be2) 7. Ne3 Nd4?! { (5.00 → 7.53) Inaccuracy. f5 was best. } (7... f5 8. Nc4) 8. Ng4?? { (7.53 → -0.07) Blunder. Be2 was best. } (8. Be2 Nxf3+) 8... Bxg4 9. Bg5?? { (-0.11 → -8.32) Blunder. Be2 was best. } (9. Be2 Nxe2 10. Qxe2 Bd6 11. h3 Be6 12. d4 exd4 13. Nxd4 Bb4+ 14. Bd2 Bxd2+ 15. Qxd2 Qd5) 9... h6?? { (-8.32 → 7.58) Blunder. Bxf3 was best. } (9... Bxf3 10. Bxd8) 10. Bh4?? { (7.58 → -8.14) Blunder. Bxd8 was best. } (10. Bxd8) 10... Bxf3 11. gxf3 Nxf3+?? { (-9.03 → -0.01) Blunder. Qxh4 was best. } (11... Qxh4 12. c3) 12. Ke2?? { (-0.01 → -11.30) Blunder. Qxf3 was best. } (12. Qxf3) 12... Nd4+ 13. Ke3 Nf5+ 14. Kf3 Nxh4+ 15. Kg3 Nf5+ 16. Kg2 Nh4+ 17. Kg1?! { (-11.95 → Mate in 3) Checkmate is now unavoidable. Kh3 was best. } (17. Kh3 h5) 17... h5?! { (Mate in 3 → -10.82) Lost forced checkmate sequence. Qg5+ was best. } (17... Qg5+ 18. Qg4 Qxg4+ 19. Bg2 Qxg2#) 18. Bh3 Qg5+ 19. Kf1 Ng2?? { (-10.12 → -2.34) Blunder. Qf4 was best. } (19... Qf4 20. Qe2) 20. Bxg2 Bc5 21. Rg1?! { (-1.90 → -2.75) Inaccuracy. h4 was best. } (21. h4 Qf6 22. Qf3 Rh6 23. Rh3 Kf8 24. Re1 e4 25. Qxf6 Rxf6 26. Re2 e3 27. Rf3 Rxf3) 21... Qf5?? { (-2.75 → -0.75) Blunder. Qf6 was best. } (21... Qf6) 22. d4?? { (-0.75 → -4.99) Blunder. Qf3 was best. } (22. Qf3 Qxf3 23. Bxf3 Kf8 24. Rg5 Bd6 25. Rxh5 Rxh5 26. Bxh5 Ke7 27. Bf3 Rh8 28. Kg2 f5) 22... Bxd4 23. Qe1 Rh6?! { (-6.83 → -4.70) Inaccuracy. O-O-O was best. } (23... O-O-O 24. Qe2) 24. Rd1 Rg6?? { (-5.38 → 5.14) Blunder. Rd6 was best. } (24... Rd6) 25. Bh3?? { (5.14 → -9.98) Blunder. Rxd4 was best. } (25. Rxd4 c6 26. Rd3 Rd8 27. Qe3 Rxd3 28. cxd3 Ke7 29. Bh3 Rxg1+ 30. Kxg1 Qf4 31. Qxf4 exf4) 25... Rxg1+ 26. Kxg1 Qxh3?! { (-7.64 → -4.64) Inaccuracy. Bxf2+ was best. } (26... Bxf2+ 27. Qxf2 Qxh3 28. Rd3 Qg4+ 29. Kf1 Rd8 30. Rxd8+ Kxd8 31. Qxf7 Qf4+ 32. Qxf4 exf4 33. Kg2) 27. Qb4? { (-4.64 → -16.07) Mistake. Rxd4 was best. } (27. Rxd4 Qe6 28. Rd3 e4 29. Rd4 e3 30. fxe3 Kf8 31. Qd2 Re8 32. Rd8 Qg6+ 33. Kh1 Qc6+) 27... O-O-O 28. Re1 Qh4 29. c3?! { (-10.27 → Mate in 2) Checkmate is now unavoidable. Qd2 was best. } (29. Qd2 Qg4+ 30. Kf1 Qf3 31. Rd1 Qh1+ 32. Ke2 Qxh2 33. Qe1 Qg2 34. Rd2 Qc6 35. Rxd4 Rxd4) 29... Bxf2+?! { (Mate in 2 → -17.22) Lost forced checkmate sequence. Qxf2+ was best. } (29... Qxf2+ 30. Kh1 Qf3#) 30. Kg2 Bxe1 31. Kf1?! { (-17.70 → Mate in 1) Checkmate is now unavoidable. Qxh4 was best. } (31. Qxh4 Bxh4) 31... Qxh2 32. Kxe1 Rd1+? { (Mate in 5 → -9.35) Lost forced checkmate sequence. Qc2 was best. } (32... Qc2 33. Qd4 exd4 34. c4 Re8+ 35. Kf1 Qd2 36. b3 Re1#) 33. Kxd1 Qg1+ 34. Ke2 Qg2+ 35. Kd3 Qf3+ 36. Kc4 b6 37. Qe7 Qe4+ 38. Kb5? { (-9.52 → Mate in 2) Checkmate is now unavoidable. Kb3 was best. } (38. Kb3) 38... Qd5+?! { (Mate in 2 → -10.20) Lost forced checkmate sequence. a6+ was best. } (38... a6+ 39. Kxa6 Qa4#) 39. Ka6?! { (-10.20 → Mate in 1) Checkmate is now unavoidable. Kb4 was best. } (39. Kb4 e4 40. Ka3 Qd6+ 41. Qxd6 cxd6 42. Kb3 h4 43. Kc4 h3 44. Kd4 f5 45. Ke3 Kd7) 39... Qc4+ 40. Kxa7 Qb5?? { (Mate in 1 → -0.66) Lost forced checkmate sequence. Qa4# was best. } (40... Qa4#) 41. Qf8+ Kd7 42. Kb8?? { (-0.77 → -6.00) Blunder. Qxf7+ was best. } (42. Qxf7+ Kd8) 42... Qa6?? { (-6.00 → 0.64) Blunder. Ke6 was best. } (42... Ke6) 43. Qxf7+ Kd8? { (0.66 → 2.08) Mistake. Kd6 was best. } (43... Kd6 44. c4 Qa4 45. b3 Qd7 46. Qd5+ Ke7 47. Qxe5+ Kf8 48. Qxh5 Qe8+ 49. Qxe8+ Kxe8 50. a4) 44. Qxc7+ Ke8 45. Qxg7?? { (1.63 → 0.00) Blunder. Qxe5+ was best. } (45. Qxe5+ Kf8 46. Qxh5 Qxa2 47. b4 Qe6 48. Qg5 Qe7 49. Qf5+ Kg8 50. b5 g5 51. c4 Kg7) 45... h4?? { (0.00 → 7.30) Blunder. Qe2 was best. } (45... Qe2 46. Kc7 e4 47. Qd7+ Kf8 48. Qf5+ Ke7 49. Qg5+ Kf7 50. Qf5+) 46. Qh7?? { (7.30 → -0.12) Blunder. Qxe5+ was best. } (46. Qxe5+ Kf7 47. Qf4+ Ke6 48. Qe4+ Kf7 49. Qxh4 Qe2 50. Qh7+ Kf6 51. Qh6+ Kf5 52. Qxb6 Qe8+) 46... Kd8?? { (-0.12 → 7.36) Blunder. Qe2 was best. } (46... Qe2 47. Qf5) 47. c4?? { (7.36 → -9.00) Blunder. Qc7+ was best. } (47. Qc7+ Ke8 48. Qxe5+ Kf7 49. Qf4+ Ke6 50. Qe4+ Kd7 51. Qg4+ Ke8 52. Qxh4 Qe2 53. Qh8+ Kf7) 47... h3?? { (-9.00 → 7.12) Blunder. Qc8+ was best. } (47... Qc8+) 48. b4?? { (7.12 → -11.32) Blunder. Qc7+ was best. } (48. Qc7+) 48... Qxc4?? { (-11.32 → -0.73) Blunder. Qc8+ was best. } (48... Qc8+) 49. Qxh3?? { (-0.73 → -2.61) Blunder. Qh8+ was best. } (49. Qh8+) 49... Qc8+?? { (-2.61 → Mate in 13) Checkmate is now unavoidable. Qc7+ was best. } (49... Qc7+) 50. Ka7?? { (Mate in 13 → Mate in 16) Lost forced checkmate sequence. Qxc8+ was best. } (50. Qxc8+ Ke7 51. Qc6 b5 52. Kb7 Kf7 53. Kb6 Ke7 54. Kxb5 Kf7 55. a4 e4 56. Qxe4 Kf6) 50... Qc7+?? { (Mate in 16 → 0.00) Lost forced checkmate sequence. Qxh3 was best. } (50... Qxh3 51. Kxb6 Qe6+ 52. Kc5 Qxa2 53. b5 Qa5 54. Kc4 Qa4+ 55. Kc3 Qxb5 56. Kc2 e4 57. Kd2) 51. Ka8?? { (0.00 → -2.64) Blunder. Ka6 was best. } (51. Ka6 Qc8+ 52. Qxc8+ Kxc8 53. Kb5 Kc7 54. a4 e4 55. Kc4 b5+ 56. axb5 Kb6 57. Kd4 e3) 51... Qc8+?? { (-2.64 → 0.00) Blunder. Qc6+ was best. } (51... Qc6+ 52. Kb8) 52. Ka7?? { (0.00 → Mate in 8) Checkmate is now unavoidable. Qxc8+ was best. } (52. Qxc8+ Kxc8 53. b5 e4 54. a4 Kd7 55. a5 bxa5 56. b6 e3 57. b7 e2 58. b8=Q e1=Q) 52... Qc4?? { (Mate in 8 → 0.00) Lost forced checkmate sequence. Qxh3 was best. } (52... Qxh3 53. Kb7 e4 54. a3 e3 55. a4 e2 56. Ka6 e1=Q 57. Kb5 Qd7+ 58. Ka6 Qxb4 59. a5) 53. Qh8+ Kc7?? { (0.08 → 8.32) Blunder. Kd7 was best. } (53... Kd7 54. Qxe5 Qxb4 55. Qd5+ Ke7 56. Qb7+ Ke8 57. Qc6+ Ke7 58. a4 Qd4 59. Ka6 Kf8 60. Kb5) 54. Ka8?? { (8.32 → Mate in 1) Checkmate is now unavoidable. Qxe5+ was best. } (54. Qxe5+) 54... Qxb4?? { (Mate in 1 → 0.00) Lost forced checkmate sequence. Qxa2# was best. } (54... Qxa2#) 55. Qb8+?? { (0.00 → -2.68) Blunder. Qxe5+ was best. } (55. Qxe5+ Qd6 56. Qxd6+ Kxd6 57. Kb7 Kc5 58. Ka7 Kb5 59. Kb7) 55... Kc6 56. Qb7+?! { (-2.56 → -3.48) Inaccuracy. Qe8+ was best. } (56. Qe8+) 56... Kb5?! { (-3.48 → -2.73) Inaccuracy. Kd6 was best. } (56... Kd6 57. Qb8+ Kd5 58. Kb7 e4 59. Qd8+ Ke5 60. Qh8+ Kf4 61. a4 Kf3 62. Qf6+ Ke2 63. Qxb6) 57. Qd7+ Ka6 58. Qb7+ Kb5 59. Ka7? { (-2.76 → -4.87) Mistake. Qd7+ was best. } (59. Qd7+ Kc4) 59... Qa5+ 60. Kb8 Qa6?? { (-3.82 → 0.00) Blunder. Qd2 was best. } (60... Qd2) 61. Qd7+ Kc5 62. Qc7+ Kb5 63. Qd7+ Ka5 64. Qd2+ Kb5 65. Qd5+ Kb4 66. Qd2+ Kc5 67. Qc2+?? { (0.00 → -3.47) Blunder. Qf2+ was best. } (67. Qf2+ Kd6 68. Qf6+ Kd5 69. Qf7+ Kd4 70. Qf2+ Ke4 71. Qg2+ Kf4 72. Qh2+ Kf5 73. Qh3+ Kf6) 67... Kb5?? { (-3.47 → 0.00) Blunder. Qc4 was best. } (67... Qc4 68. Qf5 Qd4 69. Qc2+ Kb5 70. Qb3+ Kc6 71. Qc2+ Qc5 72. Qe4+ Kb5 73. a4+ Ka5 74. Kb7) 68. Kc7 Kb4 69. Kc6?? { (0.00 → Mate in 35) Checkmate is now unavoidable. Qb2+ was best. } (69. Qb2+ Ka5 70. Qc3+ Ka4 71. Qb3+ Ka5) 69... Qb5+?? { (Mate in 35 → -5.00) Lost forced checkmate sequence. Qc8+ was best. } (69... Qc8+) 70. Kd6? { (-5.00 → -59.43) Mistake. Kb7 was best. } (70. Kb7 Qd5+) 70... Qc5+ 71. Ke6?! { (-60.21 → Mate in 15) Checkmate is now unavoidable. Qxc5+ was best. } (71. Qxc5+ bxc5 72. a3+ Kc4 73. a4 e4 74. a5 Kb5 75. a6 Kxa6 76. Kxc5 e3 77. Kb4 e2) 71... Qxc2 72. a3+ Kxa3 73. Kxe5 Qc5+ 74. Kf6 Qc6+ 75. Kg5 b5 76. Kf4 b4 77. Kg5 b3 78. Kf5 b2 79. Kg4 b1=Q 80. Kg5 Qbe4 81. Kh5 Qcg6# { Black wins by checkmate. } 0-1