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Puzzles (3 cohencoins award for each match):

Puzzle 2vMWp: 697

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/xe3fBaUF"] [Date "2026.05.11"] [White "Mark"] [Black "Caroline1"] [Result "0-1"] [UTCDate "2026.05.11"] [UTCTime "15:03:38"] [WhiteElo "1484"] [BlackElo "1325"] [WhiteRatingDiff "-20"] [BlackRatingDiff "+12"] [WhiteTitle "⛳"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C45"] [Opening "Scotch Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 { C45 Scotch Game } Nxd4?! { (0.09 → 0.99) Inaccuracy. Nf6 was best. } (4... Nf6) 5. Qxd4 Nf6? { (0.81 → 2.21) Mistake. Qf6 was best. } (5... Qf6 6. Qe3 Bb4+ 7. c3 Ba5 8. Qg3 d6 9. Bd3 Ne7 10. Bg5 Qg6 11. Nd2 Bb6 12. a4) 6. e5 Ng8?! { (2.26 → 3.18) Inaccuracy. c5 was best. } (6... c5) 7. Nc3 d6?! { (2.69 → 4.10) Inaccuracy. c6 was best. } (7... c6 8. Ne4) 8. Bf4 Bf5?! { (4.00 → 6.34) Inaccuracy. Be6 was best. } (8... Be6 9. exd6) 9. O-O-O dxe5?! { (6.14 → 10.53) Inaccuracy. d5 was best. } (9... d5 10. Nxd5 Ne7 11. Bc4 Be6 12. Qe4 Qc8 13. Nc3 c6 14. Rhe1 Bxc4 15. Qxc4 b5 16. Qe2) 10. Bxe5?? { (10.53 → 2.78) Blunder. Qxe5+ was best. } (10. Qxe5+ Ne7) 10... Qxd4 11. Bxd4?! { (2.89 → 1.71) Inaccuracy. Rxd4 was best. } (11. Rxd4 c6 12. Bc4 Nh6 13. Re1 Be6 14. Bxe6 fxe6 15. Rdd1 Nf5 16. Ne4 Be7 17. g4 Nh4) 11... O-O-O 12. Bxa7 Rxd1+ 13. Nxd1 Bd6 14. Ne3 Be6 15. Bc4?? { (2.23 → 0.00) Blunder. Bd4 was best. } (15. Bd4 Nf6) 15... Bxc4?? { (0.00 → 2.95) Blunder. b6 was best. } (15... b6 16. Ba6+ Kd7 17. Bb5+ Kc8) 16. Nxc4 Bf4+ 17. Kb1?! { (2.81 → 1.91) Inaccuracy. Be3 was best. } (17. Be3 Bxe3+ 18. Nxe3 Nf6 19. Rd1 Re8 20. Rd4 Ne4 21. f3 Nd6 22. Kd2 b5 23. Rf4 g6) 17... Nf6 18. Bd4 Bg5?! { (2.13 → 3.12) Inaccuracy. Re8 was best. } (18... Re8 19. g3 Bh6 20. f4 Nd7 21. a4 g6 22. Kc1 Bf8 23. Kd1 Bc5 24. Bc3 Bf2 25. Rf1) 19. a3?! { (3.12 → 2.20) Inaccuracy. g3 was best. } (19. g3 Ne8) 19... Rd8?! { (2.20 → 2.89) Inaccuracy. Re8 was best. } (19... Re8 20. Ne5) 20. Bxf6? { (2.89 → 1.55) Mistake. c3 was best. } (20. c3) 20... Bxf6 21. Ne3 Rd2 22. Ng4? { (1.34 → 0.09) Mistake. Rf1 was best. } (22. Rf1 Bg5 23. Nc4 Re2 24. Na5 b6 25. Nb3 c5 26. g3 h5 27. Nc1 Re4 28. Nd3 Bd2) 22... Bd4 23. Re1 h5?? { (-0.30 → 6.48) Blunder. Bxf2 was best. } (23... Bxf2 24. Re8+ Kd7 25. Kc1 Rd4 26. Re2 Rxg4 27. Rxf2 Ke6 28. Re2+ Kd6 29. Rd2+ Kc6 30. g3) 24. Ne5?? { (6.48 → -1.87) Blunder. Kc1 was best. } (24. Kc1 Bc3) 24... Bxe5?? { (-1.87 → 0.00) Blunder. Rxf2 was best. } (24... Rxf2) 25. Rxe5 g6 26. Re7?? { (0.00 → -3.76) Blunder. Rg5 was best. } (26. Rg5 Rxf2 27. a4 h4 28. b3 h3 29. gxh3 Rxh2 30. Rg3 Rf2 31. Kb2 Rf5 32. b4 Rh5) 26... Rxf2 27. Re8+ Kd7 28. Ra8? { (-3.23 → -6.07) Mistake. Rf8 was best. } (28. Rf8 f5 29. Rf7+ Ke6 30. Rxc7 Rxg2 31. Rxb7 f4 32. Rb6+ Ke5 33. Rb8 f3 34. Rf8 f2) 28... b6?! { (-6.07 → -4.17) Inaccuracy. Rxg2 was best. } (28... Rxg2) 29. a4 c5?? { (-4.83 → -1.79) Blunder. Rxg2 was best. } (29... Rxg2 30. Rf8) 30. a5? { (-1.79 → -3.19) Mistake. Rb8 was best. } (30. Rb8 Kc7) 30... bxa5 31. Rxa5 c4?? { (-4.71 → -0.34) Blunder. Rxg2 was best. } (31... Rxg2 32. Rxc5) 32. g4?? { (-0.34 → -6.94) Blunder. Rg5 was best. } (32. Rg5 Ke6 33. b4 cxb3 34. cxb3 Kf6 35. Rg3 Ke5 36. b4 Kd4 37. Kc1 Kc4 38. Kd1 Kxb4) 32... hxg4 33. Ra4 Rxh2 34. Rxc4 g3 35. Rd4+ Ke7 36. Rg4 g2 37. b4 f5 38. Rg5 Rh1+ 39. Kb2 g1=Q 40. Rxg1 Rxg1 41. Kc3 Rb1 42. Kc4 g5 43. b5?! { (-57.79 → Mate in 12) Checkmate is now unavoidable. Kd3 was best. } (43. Kd3 g4 44. Ke2 f4 45. c3 g3 46. Kf3 Rf1+ 47. Kg2 Rf2+ 48. Kh3 Rh2+ 49. Kg4 g2) 43... Kd7?! { (Mate in 12 → -60.01) Lost forced checkmate sequence. g4 was best. } (43... g4 44. Kd3 g3 45. b6 g2 46. b7 g1=Q 47. b8=Q Rxb8 48. Kd2 Qg2+ 49. Kd3 Qe4+ 50. Kc3) 44. Kc5 Kc7 45. c4 g4 46. Kd5 g3 47. c5 g2 48. b6+ Rxb6 49. cxb6+ Kxb6 50. Ke5 g1=Q?! { (Mate in 10 → -57.05) Lost forced checkmate sequence. g1=Q was best. } (50... g1=Q 51. Kf4 Qg4+ 52. Ke3 f4+ 53. Kd2 f3 54. Ke3 Qg2 55. Kd3 f2 56. Kc2 f1=Q+ 57. Kc3) 51. Kxf5?! { (-57.05 → Mate in 8) Checkmate is now unavoidable. Kxf5 was best. } (51. Kxf5 Qe3 52. Kf6 Qe4 53. Kf7 Qc6 54. Kg7 Qd6 55. Kh7 Qf6 56. Kg8 Qf3 57. Kh8) 51... Kc6 52. Ke4 Qf1 53. Ke5 Kd7 54. Ke4 Kd6 55. Kd4 Qa1+ 56. Ke4 Qa5 57. Kf4 Ke6 58. Ke4 Qa4+ 59. Kf3 Ke5 60. Ke3 Qa3+ 61. Kd2 Ke4 62. Kc2 Kd4 63. Kd2 Qa2+ 64. Ke1 Kd3 65. Kf1 Ke3 66. Kg1 Kf3 { White resigns. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting