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Puzzles (3 cohencoins award for each match):

Puzzle k06fT: 590

FEN
[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/jXwGVtNd"] [Date "2026.06.05"] [White "Eli4"] [Black "Mark2"] [Result "1/2-1/2"] [UTCDate "2026.06.05"] [UTCTime "23:29:01"] [WhiteElo "761"] [BlackElo "1255"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-11"] [BlackTitle "࿄"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. e3 Nf6 { D00 Queen's Pawn Game } 3. Nc3 h6 4. Nxd5?? { (0.00 → -5.37) Blunder. Nf3 was best. } (4. Nf3 e6 5. Bd3 c5 6. O-O a6 7. e4 c4 8. Be2 dxe4 9. Ne5 Bd6 10. Nxc4 Bc7) 4... Nxd5 5. c4?! { (-4.26 → -5.46) Inaccuracy. e4 was best. } (5. e4 Nb6 6. Be3 e5 7. dxe5 Qe7 8. a4 Nc6 9. a5 Nd7 10. f4 Qb4+ 11. c3 Qxe4) 5... Nb4?? { (-5.46 → -2.12) Blunder. Nf6 was best. } (5... Nf6) 6. a3 N4a6 7. b4 e6?? { (-2.61 → -0.32) Blunder. c6 was best. } (7... c6 8. Nf3 Nc7 9. Qc2 e6 10. Bd2 Nd7 11. Rd1 Be7 12. Bd3 b6 13. h4 a5 14. bxa5) 8. d5?? { (-0.32 → -4.98) Blunder. b5 was best. } (8. b5 Nc5) 8... Bxb4+?? { (-4.98 → 0.77) Blunder. Be7 was best. } (8... Be7 9. Qa4+) 9. axb4 Nxb4?? { (1.19 → 6.01) Blunder. exd5 was best. } (9... exd5 10. cxd5 c6 11. Qd4 O-O 12. Bb2 f6 13. d6 Qb6 14. Bc4+ Kh8 15. Qxb6 axb6 16. Ne2) 10. Rb1?? { (6.01 → -2.60) Blunder. Qa4+ was best. } (10. Qa4+) 10... N4a6?? { (-2.60 → -0.08) Blunder. a5 was best. } (10... a5 11. Bb2) 11. c5?? { (-0.08 → -2.91) Blunder. Bb2 was best. } (11. Bb2 O-O) 11... Nxc5? { (-2.91 → -1.51) Mistake. Qxd5 was best. } (11... Qxd5 12. Qa4+) 12. Bb5+? { (-1.51 → -2.76) Mistake. Ba3 was best. } (12. Ba3 b6 13. Bb5+ Bd7 14. Bxc5 Bxb5 15. Rxb5 a6 16. Rb2 bxc5 17. dxe6 Qxd1+ 18. Kxd1 fxe6) 12... c6 13. Bc4?? { (-2.78 → -7.08) Blunder. Qd4 was best. } (13. Qd4 O-O) 13... cxd5?! { (-7.08 → -4.69) Inaccuracy. exd5 was best. } (13... exd5) 14. e4? { (-4.69 → -9.12) Mistake. Bb5+ was best. } (14. Bb5+ Nbd7 15. Nf3 O-O 16. O-O a6 17. Be2 b6 18. Bb2 a5 19. Nd4 Bb7 20. f4 Nf6) 14... dxc4 15. Rxb7 Bxb7 16. e5 Qa5+ 17. Kf1 Be4 18. Qd8+ Kxd8 19. Bg5+?! { (-27.63 → Mate in 12) Checkmate is now unavoidable. Nf3 was best. } (19. Nf3 Bd3+ 20. Kg1 Qa1 21. h3 Qxc1+ 22. Kh2 Qf4+ 23. Kg1 c3 24. Ne1 c2 25. Nxc2 Qc1+) 19... Ke8?! { (Mate in 12 → -32.27) Lost forced checkmate sequence. hxg5 was best. } (19... hxg5 20. f4 Qa1+ 21. Ke2 Qb2+ 22. Kf1 Bxg2+ 23. Ke1) 20. f4 Qd2 21. f5 Qxg5 22. fxe6 Qxg2+ 23. Ke1 Qxh1 24. Kd1 Qxg1+ 25. Kd2 Nb3+ 26. Ke2 Na6 27. exf7+ Kxf7 28. e6+ Kf8 29. e7+ Ke8 30. h4 Rd8 31. h5 Qd1+ 32. Kf2 Rd3 { Draw by stalemate. } 1/2-1/2
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting