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Puzzles (3 cohencoins award for each match):

Puzzle vHnR4: 999999999

Puzzle A98DD: 576

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Clrw0LPt"] [Date "2026.03.27"] [White "Armaan"] [Black "Nathan4"] [Result "0-1"] [UTCDate "2026.03.27"] [UTCTime "23:18:58"] [WhiteElo "1317"] [BlackElo "1348"] [WhiteRatingDiff "-27"] [BlackRatingDiff "+13"] [WhiteTitle "IM"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C20"] [Opening "King's Pawn Game: Napoleon Attack"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Qf3? { (0.60 → -0.66) Mistake. Nf3 was best. } { C20 King's Pawn Game: Napoleon Attack } (2. Nf3 Nc6 3. Bb5 Nge7 4. O-O Ng6 5. d4 exd4 6. Nxd4 Bc5 7. Nf5 O-O 8. Nc3 a6) 2... Qf6? { (-0.66 → 0.66) Mistake. Nf6 was best. } (2... Nf6 3. Bc4 c6 4. Nc3 b5 5. Bb3 a5 6. a4 b4 7. d4 Qe7 8. Nce2 exd4 9. Bg5) 3. g4?? { (0.66 → -0.87) Blunder. Nc3 was best. } (3. Nc3) 3... Qxf3?! { (-0.87 → 0.00) Inaccuracy. h5 was best. } (3... h5) 4. Nxf3 Nf6 5. Bd3?? { (0.37 → -1.22) Blunder. Nc3 was best. } (5. Nc3 h6) 5... Nc6?! { (-1.22 → -0.46) Inaccuracy. d5 was best. } (5... d5) 6. Nc3 Bc5? { (-0.75 → 0.48) Mistake. Nxg4 was best. } (6... Nxg4 7. h3 Nf6 8. Nb5 Bd6 9. Rg1 g6 10. Nxd6+ cxd6 11. Bc4 b5 12. Bxb5 Rb8 13. Bxc6) 7. Bb5?? { (0.48 → -1.64) Blunder. g5 was best. } (7. g5 Ng8 8. Nd5 Bd6 9. h4 Nge7 10. Bc4 Na5 11. Nxe7 Bxe7 12. Be2 Nc6 13. d3 d6) 7... a6?? { (-1.64 → 0.00) Blunder. Nxg4 was best. } (7... Nxg4 8. O-O) 8. Bxc6 dxc6 9. Nxe5 Bxg4 10. h3 Be6 11. O-O?? { (-0.06 → -3.15) Blunder. Nd3 was best. } (11. Nd3 Be7 12. Nf4 Bd7 13. d3 g5 14. Nfe2 Nh5 15. Bd2 O-O-O 16. Ng3 Nxg3 17. fxg3 h5) 11... O-O?! { (-3.15 → -2.07) Inaccuracy. Bxh3 was best. } (11... Bxh3) 12. a3? { (-2.07 → -3.46) Mistake. Nd3 was best. } (12. Nd3 Bd4) 12... Bxh3 13. Re1 Bd6?! { (-3.47 → -2.65) Inaccuracy. Rae8 was best. } (13... Rae8 14. Nf3 Bg4 15. Nh2 Bc8 16. d3 Nh5 17. Nf3 Re6 18. Kf1 Rf6 19. Be3 Bxe3 20. Rxe3) 14. Nf3 Bg4 15. Ng5?? { (-2.66 → -6.13) Blunder. Nh2 was best. } (15. Nh2 Bd7) 15... h6 16. Nxf7 Rxf7 17. b4 Be5 18. Rf1 Bh3 19. Re1 Rd8 20. d3 Bxc3 21. Re3 Bxa1 22. Rxh3 Ng4 23. f3 Ne5 24. d4 Bxd4+ 25. Kg2 Rf6 26. f4 Rg6+ 27. Rg3 Rxg3+ 28. Kxg3 Ng6 29. f5 Ne5 30. Bf4 Bb6 31. Bxe5 Kf7 32. c4 Rd3+ 33. Kf4 Rxa3 34. c5 Ba7 35. Bxc7 b5 36. e5 Ra4 37. e6+ Kf6?? { (-10.64 → Mate in 1) Checkmate is now unavoidable. Ke7 was best. } (37... Ke7) 38. Bd6?? { (Mate in 1 → -12.62) Lost forced checkmate sequence. Bd8# was best. } (38. Bd8#) 38... Rxb4+ 39. Kg3 Bxc5 40. Bxc5 Re4 41. e7 Kxf5 42. Kf3 Re1?? { (-14.54 → 5.61) Blunder. a5 was best. } (42... a5) 43. Kf2?? { (5.61 → -11.80) Blunder. Be3 was best. } (43. Be3 Rf1+) 43... Re5 44. Kf3 g5 45. Kg3 h5 46. Kh3 g4+ 47. Kh4 Kf4?? { (-13.88 → 5.87) Blunder. Kg6 was best. } (47... Kg6) 48. Bb4?? { (5.87 → -14.26) Blunder. Bd6 was best. } (48. Bd6 Ke4 49. Bxe5 Kxe5 50. e8=Q+ Kd6 51. Qd8+ Kc5 52. Qa5 Kc4 53. Qa2+ Kb4 54. Qxa6 c5) 48... g3?? { (-14.26 → 6.38) Blunder. Kf5 was best. } (48... Kf5) 49. Kh3?? { (6.38 → -17.29) Blunder. Bd6 was best. } (49. Bd6) 49... Kf3 50. Kh4 g2 51. Bd6?! { (-20.15 → Mate in 2) Checkmate is now unavoidable. Bc5 was best. } (51. Bc5 b4) 51... Re6?! { (Mate in 2 → -77.68) Lost forced checkmate sequence. g1=Q was best. } (51... g1=Q 52. e8=Q Qh1#) 52. Kxh5?! { (-77.68 → Mate in 3) Checkmate is now unavoidable. Bh2 was best. } (52. Bh2 Rxe7 53. Kg5 g1=Q+ 54. Bxg1 Rg7+ 55. Kf6 Rxg1 56. Ke5 h4 57. Kd6 h3 58. Kxc6 h2) 52... g1=Q 53. Kh4 Qg4# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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