CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/UTdEh3WT"] [Date "2024.05.01"] [White "Maria"] [Black "Ephraim"] [Result "0-1"] [UTCDate "2024.05.01"] [UTCTime "20:38:05"] [WhiteElo "1142"] [BlackElo "1153"] [WhiteRatingDiff "-7"] [BlackRatingDiff "+12"] [WhiteTitle "❦"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Hippopotamus Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 Nh6? { (0.21 → 1.50) Mistake. e5 was best. } { B00 Hippopotamus Defense } (1... e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a5 6. O-O) 2. Bc4?! { (1.50 → 0.87) Inaccuracy. d4 was best. } (2. d4) 2... Nc6?! { (0.87 → 1.61) Inaccuracy. e6 was best. } (2... e6 3. Nc3 c5 4. Nf3 a6 5. a4 Qc7 6. O-O Nc6 7. h3 f6 8. Ne2 Nf7 9. d3) 3. Qh5?? { (1.61 → -0.15) Blunder. d4 was best. } (3. d4 e5 4. d5 Nb8 5. Nc3 Bb4 6. Ne2 d6 7. a3 Bxc3+ 8. Nxc3 O-O 9. Bxh6 gxh6) 3... g6 4. Qf3?! { (0.00 → -0.63) Inaccuracy. Qe2 was best. } (4. Qe2 Nd4 5. Qd3 Bg7 6. Ne2 Nxe2 7. Qxe2 c6 8. d3 d5 9. Bb3 O-O 10. O-O e6) 4... Nd4?! { (-0.63 → -0.11) Inaccuracy. Bg7 was best. } (4... Bg7 5. Nc3) 5. Bxf7+?? { (-0.11 → -8.37) Blunder. Qd3 was best. } (5. Qd3 Bg7 6. Nf3 Nxf3+ 7. Qxf3 O-O 8. d3 c6 9. Bb3 b5 10. O-O a5 11. a4 b4) 5... Nxf7 6. Qf4 Nxc2+ 7. Kd1 Nxa1 8. Nc3 g5 9. Qf5 Rg8 10. Qxh7 Rh8 11. Qg6 Rh6 12. Qg8 Rh8 13. Qg6 Rh6 14. Qf5 Rf6 15. Qh7 Rh6 16. Qf5 Rf6 17. Qg4 Rxf2 18. Nd5 Rf1+ 19. Ke2 Rxc1 20. Nf3 Rxh1 21. Nxg5 Bg7?? { (-20.00 → 0.00) Blunder. Nxg5 was best. } (21... Nxg5 22. Qxg5 d6 23. Qh5+ Kd7 24. Qf5+ Kc6 25. Nb4+ Kb6 26. Nd5+ Kc5 27. Qf3 Kc6 28. Qd3) 22. Nxf7?? { (0.00 → -20.40) Blunder. Qh5 was best. } (22. Qh5 d6 23. Qxf7+ Kd7 24. Nf6+ Bxf6 25. Qe6+ Kc6 26. Qc4+ Kb6 27. Qb4+ Ka6 28. Qa4+ Kb6) 22... Kxf7 23. Qh5+ Ke6?? { (-20.36 → Mate in 2) Checkmate is now unavoidable. Kf8 was best. } (23... Kf8 24. g3) 24. Qg6+?? { (Mate in 2 → -16.53) Lost forced checkmate sequence. Nf4+ was best. } (24. Nf4+ Kf6 25. e5#) 24... Ke5?! { (-16.53 → -6.15) Inaccuracy. Bf6 was best. } (24... Bf6) 25. Qxg7+ Kxe4?? { (-7.87 → 0.00) Blunder. Kd6 was best. } (25... Kd6 26. Qg3+) 26. Nxe7?? { (0.00 → -3.97) Blunder. Nc3+ was best. } (26. Nc3+ Kf5 27. Qf7+ Kg5 28. Qg7+) 26... Rxh2?? { (-3.97 → Mate in 5) Checkmate is now unavoidable. Re1+ was best. } (26... Re1+ 27. Kxe1) 27. Nxc8?? { (Mate in 5 → -13.67) Lost forced checkmate sequence. d3+ was best. } (27. d3+ Kf4 28. Qf6+ Kg4 29. Qg6+ Kf4 30. Qf5+ Kg3 31. Qg5#) 27... Qxc8 28. d4 Qg8?? { (-16.47 → Mate in 1) Checkmate is now unavoidable. d6 was best. } (28... d6) 29. Qxd7?? { (Mate in 1 → Mate in 2) Lost forced checkmate sequence. Qe5# was best. } (29. Qe5#) 29... Qd8?! { (Mate in 2 → -11.35) Lost forced checkmate sequence. Qxg2+ was best. } (29... Qxg2+ 30. Kd1 Rh1#) 30. Qe6+ Kxd4 31. b4?! { (-11.56 → Mate in 9) Checkmate is now unavoidable. Qe3+ was best. } (31. Qe3+ Kd5 32. Qf3+ Kc5 33. Qc3+ Kb5 34. Qe5+ Kb6 35. Qxh2 Qf6 36. Qg1+ c5 37. Qe3 Qxb2+) 31... Rxg2+?! { (Mate in 9 → -15.94) Lost forced checkmate sequence. Qe8 was best. } (31... Qe8 32. Qxe8 Rxe8+ 33. Kf3 Nc2 34. Kg3 Rh1 35. Kf4 Rf1+ 36. Kg3 Rg8+ 37. Kh2 Ne1 38. g4) 32. Kf3 Rxa2 33. Qxa2?! { (-76.32 → Mate in 18) Checkmate is now unavoidable. Kg4 was best. } (33. Kg4 Qg8+) 33... a5?! { (Mate in 18 → -55.94) Lost forced checkmate sequence. Qd5+ was best. } (33... Qd5+ 34. Qxd5+ Kxd5 35. b5 Nc2 36. b6 cxb6 37. Ke2 Nd4+ 38. Ke3 a5 39. Kf4 a4 40. Kg5) 34. Qxa1+ Kc4 35. bxa5?! { (-13.16 → Mate in 8) Checkmate is now unavoidable. Qc1+ was best. } (35. Qc1+ Kxb4) 35... b6?! { (Mate in 8 → -10.43) Lost forced checkmate sequence. Qd5+ was best. } (35... Qd5+ 36. Kg4 Rg8+ 37. Kf4 Qg5+ 38. Ke4 Re8+ 39. Kf3 Qf5+ 40. Kg2 Rg8+ 41. Qg7 Rxg7+ 42. Kh2) 36. Qa4+ Kd5 37. Qb5+ Kd6 38. a6 Qb8?? { (-68.17 → 0.00) Blunder. Qf6+ was best. } (38... Qf6+) 39. a7?? { (0.00 → -67.49) Blunder. Qd3+ was best. } (39. Qd3+ Kc5 40. Qc3+ Kb5 41. Qd3+ Ka4 42. Qc2+ Ka5 43. Qa2+ Kb4 44. Qb1+ Kc3 45. Qc1+ Kd4) 39... Qxa7?? { (-67.49 → 0.00) Blunder. Qf8+ was best. } (39... Qf8+) 40. Qd3+ Kc5 41. Qf5+ Kd6 42. Qf6+ Kd5 43. Qf7+ Kd6 44. Qf6+ Kd5 45. Kf4?? { (0.00 → Mate in 17) Checkmate is now unavoidable. Qf5+ was best. } (45. Qf5+ Kc6 46. Qe4+ Kd7 47. Qf5+ Ke7 48. Qg5+ Kf7 49. Qf5+) 45... Kc5?? { (Mate in 17 → 0.00) Lost forced checkmate sequence. Qa4+ was best. } (45... Qa4+ 46. Kg5 Rg8+ 47. Kh6 Qe4 48. Qf5+ Qe5 49. Qf3+ Ke6 50. Qb3+ Kf6 51. Qf3+ Ke7 52. Qa3+) 46. Ke5?? { (0.00 → Mate in 13) Checkmate is now unavoidable. Qc3+ was best. } (46. Qc3+ Kd6 47. Qd3+ Kc6 48. Qf3+ Kd7 49. Qg4+ Ke8 50. Qe6+ Kd8 51. Qg8+ Ke7 52. Qg5+ Kd6) 46... Kc4?? { (Mate in 13 → 0.00) Lost forced checkmate sequence. Qa1+ was best. } (46... Qa1+ 47. Ke6 Re8+ 48. Kf5 Qf1+ 49. Kg6 Rg8+ 50. Kf7 Rf8+ 51. Kxf8 Qxf6+ 52. Kg8 b5 53. Kh7) 47. Qc6+?? { (0.00 → -11.83) Blunder. Qf4+ was best. } (47. Qf4+ Kb5 48. Qf1+ Ka4 49. Qd1+ Ka3 50. Qd3+ Kb2 51. Qd2+ Kb3 52. Qe3+ Ka4 53. Qd4+ Kb3) 47... Kd3?? { (-11.83 → 0.00) Blunder. Kb4 was best. } (47... Kb4) 48. Qb5+?? { (0.00 → -9.86) Blunder. Qe4+ was best. } (48. Qe4+ Kd2 49. Qb4+ Ke2 50. Qe4+ Kf2 51. Qh4+ Kg2 52. Qe4+ Kh3 53. Qh7+ Kg3 54. Qd3+ Kf2) 48... Ke3?? { (-9.86 → 0.00) Blunder. Kc3 was best. } (48... Kc3) 49. Qc5+?? { (0.00 → Mate in 5) Checkmate is now unavoidable. Qb3+ was best. } (49. Qb3+ Kd2 50. Qb2+ Ke1 51. Qc1+ Kf2 52. Qc2+ Kf1 53. Qb1+ Kg2 54. Qg6+ Kh3 55. Qd3+ Kh4) 49... Kd3?? { (Mate in 5 → 0.00) Lost forced checkmate sequence. bxc5 was best. } (49... bxc5 50. Kf6 Qa6+ 51. Kg7 Ke4 52. Kf7 Kf5 53. Ke7 Qe6#) 50. Qb5+?? { (0.00 → -9.75) Blunder. Qd4+ was best. } (50. Qd4+ Kc2 51. Qc4+ Kb2 52. Qb4+ Ka2 53. Qd2+ Ka3 54. Qd3+ Ka4 55. Qc4+ Ka5 56. Qa2+ Kb5) 50... Kc3 51. Kd5? { (-9.64 → Mate in 16) Checkmate is now unavoidable. Qc6+ was best. } (51. Qc6+ Kb4) 51... Kd2?? { (Mate in 16 → 0.00) Lost forced checkmate sequence. Qa5 was best. } (51... Qa5 52. Kc6 Qxb5+ 53. Kxb5 Ra5+ 54. Kc6 Rc5+ 55. Kd7 b5 56. Kc8 b4 57. Kd8 b3 58. Ke7) 52. Kd4?? { (0.00 → Mate in 8) Checkmate is now unavoidable. Qb4+ was best. } (52. Qb4+ Kc2 53. Qe4+ Kc1 54. Qc4+ Kb1 55. Qe4+ Kc1) 52... Ke1?? { (Mate in 8 → 0.00) Lost forced checkmate sequence. c5+ was best. } (52... c5+ 53. Kd5 Qf7+ 54. Kc6 Rc8+ 55. Kd6 Rd8+ 56. Kc6 Qd7+ 57. Kxb6 Rb8+ 58. Kxc5 Rxb5+ 59. Kc4) 53. Kd3?? { (0.00 → -73.66) Blunder. Qb1+ was best. } (53. Qb1+ Kf2 54. Qf5+ Kg3 55. Qg5+ Kf3 56. Qf5+) 53... Kf2?? { (-73.66 → 0.00) Blunder. Qa3+ was best. } (53... Qa3+) 54. Ke4?? { (0.00 → Mate in 14) Checkmate is now unavoidable. Qf5+ was best. } (54. Qf5+ Kg3 55. Qg5+ Kh2 56. Qe5+ Kh1 57. Qh5+ Kg2 58. Qg5+ Kh2) 54... Kg3?? { (Mate in 14 → 0.00) Lost forced checkmate sequence. Qa4+ was best. } (54... Qa4+ 55. Qxa4 Rxa4+ 56. Kd5 c5 57. Ke5 Rb4 58. Kf5 Ke3 59. Ke5 c4 60. Kd5 c3 61. Kd6) 55. Qd3+?? { (0.00 → -61.93) Blunder. Qg5+ was best. } (55. Qg5+ Kh3 56. Qh6+ Kg2 57. Qd2+ Kg1 58. Qe1+ Kg2) 55... Kg4?? { (-61.93 → 0.00) Blunder. Kh4 was best. } (55... Kh4) 56. Ke5?? { (0.00 → Mate in 13) Checkmate is now unavoidable. Qf3+ was best. } (56. Qf3+ Kg5 57. Qf5+ Kh6 58. Qf6+ Kh7 59. Qf7+ Kh8 60. Qf6+ Kg8 61. Qg6+ Kf8 62. Qf6+ Ke8) 56... Kg5?? { (Mate in 13 → 0.00) Lost forced checkmate sequence. Qa5+ was best. } (56... Qa5+ 57. Ke6 Re8+ 58. Kf7 Qh5+ 59. Qg6+ Qxg6+ 60. Kxg6 c5 61. Kg7 c4 62. Kh7 c3 63. Kg7) 57. Ke6?? { (0.00 → -66.51) Blunder. Qg3+ was best. } (57. Qg3+ Kh6 58. Qf4+ Kg7 59. Qg5+ Kf8 60. Qf6+ Kg8 61. Qg6+ Kf8) 57... Kg4?? { (-66.51 → 0.00) Blunder. Qa2+ was best. } (57... Qa2+ 58. Qd5+ Qxd5+ 59. Kxd5 Ra5+ 60. Kc4 c6 61. Kc3 Rc5+ 62. Kb3 b5 63. Ka3 Rc4 64. Kb3) 58. Kf6?? { (0.00 → -84.34) Blunder. Qe4+ was best. } (58. Qe4+ Kg3 59. Qe3+ Kg2 60. Qe2+ Kg1 61. Qe1+ Kg2) 58... Kf4?? { (-84.34 → 0.00) Blunder. Qa1+ was best. } (58... Qa1+ 59. Ke6 Qa2+ 60. Ke5 Re8+ 61. Kd4 Rd8+ 62. Ke3 Rxd3+ 63. Kxd3 b5 64. Kd4 Qa4+ 65. Kd5) 59. Qd4+ Kf3 60. Kf5?? { (0.00 → -57.10) Blunder. Qd3+ was best. } (60. Qd3+ Kf2 61. Qd2+ Kf1 62. Qd1+ Kg2 63. Qe2+ Kg3 64. Qd3+) 60... Rf8+ 61. Ke5? { (-7.26 → Mate in 21) Checkmate is now unavoidable. Kg6 was best. } (61. Kg6 c5) 61... Re8+? { (Mate in 21 → -7.42) Lost forced checkmate sequence. Qa5+ was best. } (61... Qa5+) 62. Kd5? { (-7.42 → Mate in 7) Checkmate is now unavoidable. Kf6 was best. } (62. Kf6 c5) 62... Rd8+ 63. Kc4 Rxd4+ 64. Kxd4 b5+ 65. Kc3 Qb7 66. Kb3 b4 67. Kb2 b3 68. Kb1 b2 69. Ka2 b1=R 70. Ka3 Ra1# { Black wins by checkmate. } 0-1