CohenChessClub.com

[Event "September Megatournament"] [Site "https://cohenchessclub.com/2KyUa2Zm"] [Date "2025.09.21"] [White "Maria"] [Black "Jihoon"] [Result "0-1"] [UTCDate "2025.09.21"] [UTCTime "20:31:43"] [WhiteElo "1172"] [BlackElo "1019"] [WhiteRatingDiff "-12"] [BlackRatingDiff "+28"] [WhiteTitle "❦"] [Variant "Standard"] [TimeControl "600+1"] [ECO "C20"] [Opening "Portuguese Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Bb5?! { (0.50 → -0.49) Inaccuracy. Nf3 was best. } { C20 Portuguese Opening } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6) 2... Nf6 3. Nc3 Bb4 4. Nd5 Bc5 5. Nxf6+ gxf6? { (-0.17 → 1.05) Mistake. Qxf6 was best. } (5... Qxf6 6. Qf3 c6 7. Bc4 d6 8. a4 Qg6 9. d3 a5 10. Qg3 Nd7 11. Bd2 Qxg3 12. hxg3) 6. Qg4?? { (1.05 → -0.53) Blunder. Ne2 was best. } (6. Ne2 c6) 6... c6 7. Qg7 Ke7 8. Bc4?! { (-0.59 → -1.57) Inaccuracy. Be2 was best. } (8. Be2 d5) 8... Rg8?? { (-1.57 → 8.69) Blunder. d5 was best. } (8... d5) 9. Qxf7+ Kd6 10. Qxf6+?? { (8.71 → -11.61) Blunder. Qxg8 was best. } (10. Qxg8 Qxg8 11. Bxg8 Kc7 12. Bxh7 d5 13. d4 Bxd4 14. Ne2 Be6 15. Nxd4 exd4 16. Ke2 Kd7) 10... Qxf6 11. Bxg8?! { (-11.84 → Mate in 2) Checkmate is now unavoidable. Nf3 was best. } (11. Nf3 Rxg2 12. Be2 Bxf2+ 13. Kd1 Kc7 14. Ne1 Rg8 15. Rf1 d6 16. Rh1 Bh3 17. Bf1 Bxf1) 11... Qf8? { (Mate in 2 → -8.15) Lost forced checkmate sequence. Qxf2+ was best. } (11... Qxf2+ 12. Kd1 Qf1#) 12. Bxh7? { (-8.15 → Mate in 2) Checkmate is now unavoidable. Nf3 was best. } (12. Nf3 Qxg8) 12... Qg7? { (Mate in 2 → -7.68) Lost forced checkmate sequence. Qxf2+ was best. } (12... Qxf2+ 13. Kd1 Qf1#) 13. Bf5 b6? { (-10.20 → -4.90) Mistake. Qxg2 was best. } (13... Qxg2 14. Nh3 Qxh1+ 15. Ke2 Kc7 16. d3 b6 17. a3 a5 18. Rb1 Be7 19. f4 Kb7 20. fxe5) 14. Nf3?! { (-4.90 → -9.04) Inaccuracy. g4 was best. } (14. g4) 14... Ba6?? { (-9.04 → -1.11) Blunder. Qxg2 was best. } (14... Qxg2 15. Rf1 Qxf3 16. a3 Kc7 17. d3 Bd4 18. a4 Na6 19. Bd2 Bxb2 20. Ra2 Bd4 21. Ra3) 15. Ng5?? { (-1.11 → -8.30) Blunder. g4 was best. } (15. g4 Kc7) 15... Qxg5 16. d3 Qf4?? { (-8.71 → 4.18) Blunder. Qxg2 was best. } (16... Qxg2 17. Rf1 Bd4 18. Be3 Bxe3 19. fxe3 Qxc2 20. Rf2 Qc5 21. d4 Qc4 22. Rd1 Kc7 23. d5) 17. Bxf4 Bxf2+? { (4.59 → 9.38) Mistake. exf4 was best. } (17... exf4 18. g4) 18. Kxf2 exf4 19. Rhe1 Ke5 20. Re2 d5 21. exd5+ Kxf5 22. d4?? { (8.51 → -3.77) Blunder. Re8 was best. } (22. Re8 cxd5) 22... cxd5?? { (-3.77 → 6.48) Blunder. Bxe2 was best. } (22... Bxe2) 23. Re5+ Kf6 24. h4?? { (6.32 → 1.25) Blunder. Rxd5 was best. } (24. Rxd5 Bb7) 24... Nd7?? { (1.25 → 5.46) Blunder. Nc6 was best. } (24... Nc6 25. Rxd5 Nb4 26. Rd6+ Ke7 27. Rh6 Rc8 28. c3 Nd3+ 29. Kg1 Rg8 30. Rf1 Bc4 31. Rh5) 25. Rg5?? { (5.46 → 2.58) Blunder. Rxd5 was best. } (25. Rxd5 Nf8 26. Re1 Rc8 27. c3 Bd3 28. g4 fxg3+ 29. Kxg3 Kf7 30. h5 Ne6 31. Rd7+ Kf6) 25... Nf8? { (2.58 → 4.21) Mistake. Rh8 was best. } (25... Rh8 26. Re1) 26. Rxd5?! { (4.21 → 3.24) Inaccuracy. Rxd5 was best. } (26. Rxd5 Rc8 27. c3 Bc4 28. Rd6+ Ke7 29. Rh6 Kf7 30. h5 Rd8 31. Rc6 Bd5 32. Rc7+ Kf6) 26... Ng6?! { (3.24 → 4.15) Inaccuracy. Ng6 was best. } (26... Ng6) 27. h5? { (4.15 → 2.43) Mistake. Rd6+ was best. } (27. Rd6+ Kf5 28. h5 Nh4 29. Re1 Rc8 30. Re5+ Kg4 31. c3 Bd3 32. Rd7 Nf5 33. h6 Nxh6) 27... Nh4 28. h6 Kg6? { (2.54 → 5.03) Mistake. Rh8 was best. } (28... Rh8 29. Rd6+) 29. g3? { (5.03 → 2.81) Mistake. h7 was best. } (29. h7 Rh8 30. Rd7 Nf5 31. Rxa7 Bc8 32. c3 Ne3 33. Rh1 Be6 34. Rb7 Kg5 35. Rxb6 Ng4+) 29... fxg3+ 30. Kxg3?! { (3.30 → 2.44) Inaccuracy. Kxg3 was best. } (30. Kxg3) 30... Nf5+?? { (2.44 → 7.25) Blunder. Bb7 was best. } (30... Bb7 31. Rd6+) 31. Kg4?? { (7.25 → -5.27) Blunder. Kf4 was best. } (31. Kf4 Bc8) 31... Nxh6+?? { (-5.27 → 0.16) Blunder. Ne3+ was best. } (31... Ne3+ 32. Kf4 Nxd5+ 33. Ke5 Ne3 34. Rg1+ Kxh6 35. c3 Rc8 36. Kd6 Nc4+ 37. Kd7 Nxb2 38. Rh1+) 32. Kf4 Rf8+ 33. Rf5?? { (-0.12 → -5.59) Blunder. Ke3 was best. } (33. Ke3 Ng4+ 34. Kd2 Rf2+ 35. Kc3 Ne3 36. Rd6+ Kf7 37. Rc1 Bc8 38. a4 Rf3 39. Kb4 Be6) 33... Nxf5 34. Ke5 Rd8?? { (-6.52 → -2.78) Blunder. Re8+ was best. } (34... Re8+ 35. Kf4) 35. Rg1+ Kf7 36. Kxf5 Rxd4 37. Ke5 Rd2 38. Rf1+?? { (-2.39 → -59.55) Blunder. Rh1 was best. } (38. Rh1) 38... Ke7? { (-59.55 → -4.20) Mistake. Bxf1 was best. } (38... Bxf1 39. b4 Rxc2 40. Kd4 Rxa2 41. Kc3 Rg2 42. Kb3 a5 43. bxa5 Rg3+ 44. Ka4 Rg4+ 45. Kb3) 39. Rf5 Kd7? { (-5.17 → -2.99) Mistake. Bc4 was best. } (39... Bc4 40. Rf4 Rxc2 41. Rxc4 Rxc4 42. Kd5 Rh4 43. b3 Rb4 44. Kc6 a5 45. Kc7 a4 46. a3) 40. Rf7+ Kc6 41. Rf6+? { (-3.23 → -5.41) Mistake. Rxa7 was best. } (41. Rxa7 Bb7) 41... Kc5 42. b4+ Kxb4 43. Rc6 Re2+ 44. Kd5 Rd2+ 45. Ke6 Bb5 46. Rd6 Rxd6+ 47. Kxd6 a5 48. Kd5 a4 49. Kd4 Ka3 50. c4 Bxc4 51. Kxc4 Kxa2 52. Kb4 a3 53. Kb5 Kb2 54. Kxb6?! { (-55.37 → Mate in 18) Checkmate is now unavoidable. Kxb6 was best. } (54. Kxb6 Kb3 55. Kb5 a2 56. Kc5 a1=Q 57. Kb5 Kc3 58. Kc6 Kd2 59. Kb6 Kd3 60. Kb7 Ke4) 54... a2 55. Kc6 a1=Q 56. Kc5 Qc1+ 57. Kb4 Qc3+ 58. Kb5 Qb3+ 59. Kc5 Kc3 60. Kd6 Kd4 61. Kc6 Qc4+ 62. Kd6 Qa6+ 63. Ke7 Ke5 64. Kd7 Qa7+ 65. Kc8 Kd6 66. Kd8 Qd7# { Black wins by checkmate. } 0-1