CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/u5QAkJd1"] [Date "2026.07.06"] [White "Marshall"] [Black "Kojo"] [Result "1-0"] [UTCDate "2026.07.06"] [UTCTime "23:40:30"] [WhiteElo "857"] [BlackElo "892"] [WhiteRatingDiff "+57"] [BlackRatingDiff "-166"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense: Mieses-Kotroc Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5?! { (0.33 → 0.96) Inaccuracy. c5 was best. } (1... c5 2. Nf3 d6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nc6 6. O-O h6 7. Nd5 Nf6 8. Nxf6+) 2. exd5 Qxd5 { B01 Scandinavian Defense: Mieses-Kotroc Variation } 3. Bd3?? { (0.85 → -2.73) Blunder. Nc3 was best. } (3. Nc3 Qa5 4. d4 Bf5 5. Nf3 c6 6. Ne5 Nd7 7. Nc4 Qc7 8. Qf3 e6 9. Bf4 Qd8) 3... Qe5+?? { (-2.73 → 0.57) Blunder. Qxg2 was best. } (3... Qxg2) 4. Kf1? { (0.57 → -0.92) Mistake. Be2 was best. } (4. Be2 Qg5 5. g3 Nc6 6. Nf3 Qh5 7. d4 Bg4 8. c3 O-O-O 9. Ng5 Bxe2 10. Qxe2 Qxe2+) 4... Nc6 5. Nf3 Bf5?? { (-0.67 → 11.61) Blunder. Qf6 was best. } (5... Qf6 6. Nc3 Bf5 7. Bc4 O-O-O 8. d3 h6 9. Nd5 Qd6 10. Ne3 Bg6 11. Nh4 Bh7 12. Bxf7) 6. Nxe5 Rd8 7. Bxf5 Nxe5 8. Qh5 g6 9. Qf3?? { (12.14 → 0.05) Blunder. Qe2 was best. } (9. Qe2 Nc6) 9... Nh6?? { (0.05 → 12.07) Blunder. Nxf3 was best. } (9... Nxf3) 10. Be4 Nxf3 11. gxf3 Nf5 12. Bxb7 Nh6 13. d4 Rb8 14. Bc6+ Kd8 15. Rg1 Rb6 16. Bd5 Rd6 17. Bb7 Rb6 18. Bd5 Rd6 19. Bb7 Rb6 20. Bd5 Rd6 21. Bb7 Rxd4 22. Be3 Rb4 23. Bxa7?? { (8.61 → 1.45) Blunder. Be4 was best. } (23. Be4 Rxe4 24. fxe4 Kc8 25. Nc3 a6 26. Nd5 e6 27. Nf4 f5 28. Nxe6 Nf7 29. Nxf8 Rxf8) 23... Rxb7 24. Be3?? { (1.30 → -1.19) Blunder. Bd4 was best. } (24. Bd4 Rg8) 24... Rxb2?? { (-1.19 → 6.06) Blunder. Bg7 was best. } (24... Bg7 25. Na3) 25. Nd2?? { (6.06 → -2.41) Blunder. Bd4 was best. } (25. Bd4 Rxc2) 25... Rxc2 26. Nb3 Rc5?? { (-2.53 → 8.67) Blunder. Bg7 was best. } (26... Bg7 27. Bxh6) 27. Nxc5 Nf5 28. Bd4? { (8.59 → 3.84) Mistake. Rb1 was best. } (28. Rb1 e5 29. Ke2 Ke7 30. Rb8 h6 31. Rd1 Kf6 32. Rd7 Bxc5 33. Rxh8 Nd4+ 34. Bxd4 Bxd4) 28... Nxd4 29. Rg4?? { (4.27 → 1.42) Blunder. Rb1 was best. } (29. Rb1) 29... h6?? { (1.42 → 10.61) Blunder. e5 was best. } (29... e5 30. Rb1 Kc8 31. Na6 Kd7 32. Rb8 Bg7 33. Rxh8 Bxh8 34. Re4 Nxf3 35. Re3 e4 36. Nc5+) 30. Rxd4+ Kc8? { (9.92 → Mate in 9) Checkmate is now unavoidable. Ke8 was best. } (30... Ke8 31. Rb1 e5 32. Rb8+ Ke7 33. Rdd8 Kf6 34. Rxf8 Rxf8 35. Rxf8 Ke7 36. Rc8 Kd6 37. Na6) 31. Rb1? { (Mate in 9 → 8.94) Lost forced checkmate sequence. Rad1 was best. } (31. Rad1 c6 32. Rd8+ Kc7 33. Na6+ Kb6 34. Rb1+ Ka7 35. Nb8 Bg7 36. Rd7+ Ka8 37. Nxc6 Bd4) 31... c6? { (8.94 → Mate in 2) Checkmate is now unavoidable. e5 was best. } (31... e5 32. Ra4) 32. Rb6 Kc7 33. Ra6 Kc8 34. Ra7?! { (Mate in 3 → 12.25) Lost forced checkmate sequence. Rxc6+ was best. } (34. Rxc6+ Kb8 35. Rd8+ Ka7 36. Ra6#) 34... Kb8?! { (12.25 → Mate in 3) Checkmate is now unavoidable. e5 was best. } (34... e5) 35. Ra6 Kc8 36. Ra8+ Kc7 37. Ra7+? { (Mate in 4 → 7.44) Lost forced checkmate sequence. Ra6 was best. } (37. Ra6 Kb8 38. Rd7 f5 39. Rb7+ Kc8 40. Ra8#) 37... Kb8? { (7.44 → Mate in 3) Checkmate is now unavoidable. Kb6 was best. } (37... Kb6 38. Ra8) 38. Ra6 Kc8 39. Ra8+ Kc7 40. Rd6?? { (Mate in 4 → -1.90) Lost forced checkmate sequence. Ra6 was best. } (40. Ra6 Kb8 41. Rd7 e6 42. Rb7+ Kc8 43. Ra8#) 40... Kxd6?! { (-1.90 → -1.19) Inaccuracy. exd6 was best. } (40... exd6 41. Nd3 Bg7 42. Ra7+ Kb6 43. Rxf7 Bc3 44. h4 d5 45. Rd7 Rf8 46. f4 Kb5 47. Rb7+) 41. Ra6?? { (-1.19 → -7.60) Blunder. Nb7+ was best. } (41. Nb7+ Kd7) 41... Kxc5 42. Ra4 Kb5 43. Ra3 Kb4 44. Ra6 Kb5 45. Ra8 c5 46. a3 c4 47. Rb8+ Kc6 48. a4 Kc7 49. Rb4 Kc6 50. a5 Kc5 51. Rb8 Kc6?? { (-8.77 → 4.98) Blunder. Bg7 was best. } (51... Bg7) 52. a6 Kc7 53. Rb4?? { (5.07 → -6.23) Blunder. a7 was best. } (53. a7 Bg7) 53... Kc8?? { (-6.23 → Mate in 8) Checkmate is now unavoidable. c3 was best. } (53... c3 54. Rc4+ Kb6 55. Rxc3 Bg7 56. Rb3+ Kc6 57. a7 Ra8 58. Ra3 Bd4 59. f4 Rxa7 60. Rxa7) 54. Rxc4+?? { (Mate in 8 → -5.34) Lost forced checkmate sequence. a7 was best. } (54. a7 Kc7 55. a8=Q Kd6 56. Rxc4 Ke5 57. Rc5+ Kf6 58. Qa1+ Ke6 59. Qe5+ Kd7 60. Qd5+ Ke8) 54... Kb8 55. Ra4 Ka8 56. a7 Kb7?? { (-6.44 → Mate in 5) Checkmate is now unavoidable. Bg7 was best. } (56... Bg7) 57. Ra5?? { (Mate in 5 → -6.10) Lost forced checkmate sequence. a8=Q+ was best. } (57. a8=Q+ Kb6 58. Rc4 e6 59. Rc6+ Kb5 60. Qb7+ Ka5 61. Ra6#) 57... Kb6?? { (-6.10 → Mate in 7) Checkmate is now unavoidable. Bg7 was best. } (57... Bg7 58. f4 Ra8 59. f5 Kb6 60. Rd5 g5 61. Rd1 Rxa7 62. Rc1 Bf6 63. h4 gxh4 64. Rd1) 58. a8=Q Kc7 59. Ra6 Kd7 60. Qb7+ Ke8 61. Ra8# { White wins by checkmate. } 1-0