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Puzzles (3 cohencoins award for each match):

Puzzle IhhM8: 540

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/iXbC7so6"] [Date "2026.10.28"] [White "Owen6"] [Black "Wali"] [Result "0-1"] [UTCDate "2026.10.28"] [UTCTime "20:38:18"] [WhiteElo "1565"] [BlackElo "1873"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+3"] [WhiteTitle "NM🍭"] [BlackTitle "IM🌣"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D06"] [Opening "Queen's Gambit Declined: Marshall Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nf6 2. c4 d5?! { (0.32 → 0.96) Inaccuracy. e6 was best. } { D06 Queen's Gambit Declined: Marshall Defense } (2... e6 3. Nf3 d5 4. cxd5 exd5 5. Nc3 c6 6. Qc2 Bg4 7. Bg5 Nbd7 8. e3 Be7 9. Bd3) 3. Nf3?! { (0.96 → 0.27) Inaccuracy. cxd5 was best. } (3. cxd5) 3... Bf5?! { (0.27 → 0.95) Inaccuracy. e6 was best. } (3... e6 4. cxd5 exd5 5. Nc3 c6 6. Qc2 Be7 7. Bg5 h6 8. Bh4 O-O 9. e3 Ne4 10. Bxe7) 4. g3?! { (0.95 → -0.06) Inaccuracy. cxd5 was best. } (4. cxd5 Nxd5) 4... dxc4?! { (-0.06 → 0.62) Inaccuracy. e6 was best. } (4... e6 5. Bg2 c6 6. O-O h6 7. Nc3 Be7 8. Nd2 O-O 9. e4 dxe4 10. Ndxe4 Nbd7 11. Be3) 5. Qa4+ Nc6 6. Qxc4?! { (0.62 → -0.29) Inaccuracy. Bg2 was best. } (6. Bg2 Nd7) 6... e6?! { (-0.29 → 0.22) Inaccuracy. Qd5 was best. } (6... Qd5 7. Qxd5) 7. Bg2 Ne4? { (-0.19 → 1.03) Mistake. Qd5 was best. } (7... Qd5) 8. Ne5?? { (1.03 → -4.78) Blunder. O-O was best. } (8. O-O Be7) 8... Nxd4?? { (-4.78 → 0.45) Blunder. Qxd4 was best. } (8... Qxd4 9. Qxd4 Nxd4 10. g4 Nc2+ 11. Kf1 Rd8 12. e3 Nxa1 13. gxf5 Rd1+ 14. Ke2 Rxh1 15. Bxh1) 9. e3 Bb4+?! { (0.00 → 0.65) Inaccuracy. Bb4+ was best. } (9... Bb4+ 10. Kf1 Nc2 11. Bxe4 Bxe4 12. Qxe4 Nxa1 13. Qxb4 Qd5 14. e4 Qxe5 15. Bf4 Qf6 16. Na3) 10. Kf1?! { (0.65 → 0.05) Inaccuracy. Kf1 was best. } (10. Kf1 Nc2) 10... Nc2 11. Bxe4 Bxe4 12. Qxe4 Qd1+?? { (0.24 → 2.43) Blunder. Nxa1 was best. } (12... Nxa1 13. Qxb4) 13. Kg2 Ne1+? { (2.34 → 4.05) Mistake. Qd5 was best. } (13... Qd5 14. Qxd5 exd5 15. a3 Nxa1 16. axb4 f6 17. Nf3 a5 18. bxa5 Nb3 19. Bd2 Nxa5 20. Nc3) 14. Rxe1 Qxe1?! { (3.80 → 4.82) Inaccuracy. Bxe1 was best. } (14... Bxe1 15. Qxb7) 15. Qxb7 O-O 16. a3?? { (5.00 → 0.26) Blunder. Nd3 was best. } (16. Nd3 Qd1 17. Qxb4 Qxd3 18. Nc3 c5 19. Qe4 Qxe4+ 20. Nxe4 Rfd8 21. Nc3 Rab8 22. Kf1 Rd3) 16... Bc5?? { (0.26 → 6.03) Blunder. Qxc1 was best. } (16... Qxc1 17. Qxb4 Rad8 18. Qc3 Rd1 19. Qxc1 Rxc1 20. Nd3 Rd1 21. Nc5 Rb8 22. b4 Rbd8 23. Na4) 17. Bd2 Qe2 18. Qxc7?? { (7.08 → 3.31) Blunder. Nd7 was best. } (18. Nd7 c6 19. Nxc5 Rab8 20. Qa6 Qxa6 21. Nxa6 Rxb2 22. Bb4 c5 23. Bxc5 Rc8 24. Nc3 f5) 18... Bb6?! { (3.31 → 4.68) Inaccuracy. Rac8 was best. } (18... Rac8 19. Qb7) 19. Qc6 Rac8 20. Qd7? { (3.94 → 2.18) Mistake. Qe4 was best. } (20. Qe4 Rfd8) 20... Rc2 21. Ra2?? { (2.22 → -6.07) Blunder. Nf3 was best. } (21. Nf3 Rd8) 21... Bxe3 22. Nc3?? { (-6.02 → Mate in 5) Checkmate is now unavoidable. Bxe3 was best. } (22. Bxe3 Qxe3 23. Nd3 Qe4+ 24. Kg1 Qf3 25. Nc3 Rd2 26. Qxa7 Qxd3 27. Qb7 Rc2 28. Ra1 Qd2) 22... Qxf2+ 23. Kh3 Qf5+ 24. Ng4 Rxd2?! { (Mate in 3 → -11.69) Lost forced checkmate sequence. Qf1+ was best. } (24... Qf1+ 25. Kh4 g5+ 26. Kh5 Qh3#) 25. Qa4?! { (-11.69 → Mate in 1) Checkmate is now unavoidable. Qxd2 was best. } (25. Qxd2 Bxd2 26. Kg2 Bxc3 27. bxc3 Qd5+ 28. Kf1 Qxa2 29. Nf2 h5 30. Kg2 Qxa3 31. Nd3 g6) 25... Qh5# { Black wins by checkmate. } 0-1
RapidOverall
0101010101010101100101010101½½01
1½14½
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