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Puzzles (3 cohencoins award for each match):

Puzzle 1Fg9j: 838

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/S21WTYlh"] [Date "2026.03.17"] [White "Caroline1"] [Black "ChessMasterPlayer"] [Result "0-1"] [UTCDate "2026.03.17"] [UTCTime "14:15:21"] [WhiteElo "1219"] [BlackElo "1498"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+4"] [WhiteTitle "IM"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Three Knights Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 { C46 Three Knights Opening } Bc5?! { (0.18 → 0.88) Inaccuracy. Nf6 was best. } (3... Nf6 4. Bb5 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Kxe2) 4. Bc4?! { (0.88 → 0.25) Inaccuracy. Nxe5 was best. } (4. Nxe5 Nxe5 5. d4 Bd6 6. dxe5 Bxe5 7. Bd3 d6 8. h3 Bxc3+ 9. bxc3 Qe7 10. O-O Nf6) 4... d6 5. d3 Nf6 6. Be3 Bxe3 7. fxe3 Qe7 8. O-O Be6 9. Bxe6 Qxe6?! { (0.00 → 0.75) Inaccuracy. fxe6 was best. } (9... fxe6 10. Qe2 O-O 11. h3 h6 12. Nh4 Kh7 13. Nf3) 10. Qd2 O-O 11. Ng5 Qg4 12. Nf3 Nb4?! { (0.28 → 0.99) Inaccuracy. Qe6 was best. } (12... Qe6 13. h3) 13. h3 Qg6?! { (0.85 → 1.43) Inaccuracy. Qe6 was best. } (13... Qe6 14. Rf2 Qe7 15. Raf1 Nd7 16. d4 Na6 17. Ne2 g6 18. Ng3 c6 19. Qa5 f6 20. Qa3) 14. Nh4 Qg5 15. Nf3? { (1.47 → 0.43) Mistake. Nf5 was best. } (15. Nf5 Nd7 16. h4 Qd8 17. g4 f6 18. Qg2 Nc6 19. Rf3 Ne7 20. Raf1 Nxf5 21. exf5 c6) 15... Qg3?? { (0.43 → 8.49) Blunder. Qh6 was best. } (15... Qh6) 16. a3?? { (8.49 → 0.87) Blunder. Ne2 was best. } (16. Ne2) 16... Nc6 17. Rad1 Rad8 18. Ne2 Qg6 19. Rfe1 d5 20. exd5 Nxd5 21. Nxe5?? { (0.55 → -7.76) Blunder. e4 was best. } (21. e4) 21... Nxe5 22. d4 Nc4 23. Qc3 Ncxe3 24. Rd3?! { (-13.94 → Mate in 1) Checkmate is now unavoidable. Nf4 was best. } (24. Nf4 Nxf4) 24... Nf5? { (Mate in 1 → -8.31) Lost forced checkmate sequence. Qxg2# was best. } (24... Qxg2#) 25. Qxc7 Nxc7 26. Red1 Ng3 27. Nxg3 b5 28. Ne2 Nd5 29. b3 b4 30. c4 Nb6 31. axb4 Qe6 32. Re1 Qf5 33. Rg3 Rde8 34. c5 Nd7 35. c6 Nb6 36. c7 Qc2 37. d5 Rxe2 38. Rxe2 Qxe2 39. d6 Qe1+ 40. Kh2 Qe5 41. d7 Qxc7 42. d8=Q?! { (-13.95 → Mate in 5) Checkmate is now unavoidable. b5 was best. } (42. b5 Nxd7) 42... Rxd8 43. h4 h6?! { (Mate in 4 → -58.06) Lost forced checkmate sequence. Rd3 was best. } { White resigns. } (43... Rd3 44. Kg1 Qxg3 45. Kf1 Rd2 46. b5 Qf2#) 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting