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Puzzles (3 cohencoins award for each match):

Puzzle PDIv6: 999999999

GM🥉 xavi (1631) +6
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/QcOxTitt"] [Date "2026.04.26"] [White "xavi"] [Black "Ellie2"] [Result "1-0"] [UTCDate "2026.04.26"] [UTCTime "17:37:31"] [WhiteElo "1631"] [BlackElo "1541"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-8"] [WhiteTitle "GM🥉"] [BlackTitle "🪐"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C41"] [Opening "Philidor Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 d6 3. Bc4 { C41 Philidor Defense } h6?! { (0.45 → 1.10) Inaccuracy. Nf6 was best. } (3... Nf6 4. Nc3) 4. O-O b6?? { (0.71 → 2.37) Blunder. Nd7 was best. } (4... Nd7 5. d4) 5. d3? { (2.37 → 1.06) Mistake. d4 was best. } (5. d4 exd4) 5... Bb7 6. Be3 Nf6 7. Nc3 a6 8. Bb3 Be7 9. Qe2 { White offers draw } 9... d5?? { (0.58 → 3.50) Blunder. O-O was best. } (9... O-O 10. d4 Nbd7 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Rad1 Bd6 14. Rd2 Qe7 15. Nd5 Nxd5 16. Bxd5) 10. exd5 Nxd5? { (3.26 → 5.42) Mistake. Nbd7 was best. } (10... Nbd7 11. d4) 11. Nxd5? { (5.42 → 3.22) Mistake. Nxe5 was best. } (11. Nxe5 O-O) 11... Bxd5 12. Bxd5?? { (2.95 → 0.64) Blunder. Nxe5 was best. } (12. Nxe5 O-O) 12... Qxd5 13. h3?! { (0.75 → -0.13) Inaccuracy. d4 was best. } (13. d4 e4 14. Ne5 O-O 15. c4 Qe6 16. Bf4 Bd6 17. Qxe4 Nd7 18. Rfe1 Nxe5 19. dxe5 Bc5) 13... e4?? { (-0.13 → 1.64) Blunder. Nc6 was best. } (13... Nc6 14. c4 Qe6 15. Bd2 O-O-O 16. Rad1 Rhe8 17. Rfe1 f5 18. Bc3 Bf6 19. d4 exd4 20. Qxe6+) 14. dxe4 Qxe4 15. Nd4? { (1.77 → 0.21) Mistake. Rfe1 was best. } (15. Rfe1 Nc6 16. Qd2 Qg6 17. Bf4 O-O 18. Bxc7 Rac8 19. Qd7 Bc5 20. c3 Nb8 21. Bxb8 Rxb8) 15... c5 16. Nf3 Nc6 17. Rad1 Rd8?? { (-0.01 → 2.02) Blunder. O-O was best. } (17... O-O 18. c3 Rfe8 19. Rfe1 Bf8 20. Qd3 Qa4 21. Qb1 b5 22. Rd7 Rad8 23. Rxd8 Rxd8 24. b3) 18. Rxd8+ Nxd8?! { (1.98 → 2.61) Inaccuracy. Bxd8 was best. } (18... Bxd8 19. Qxa6 O-O 20. c3 Re8 21. Re1 Qd5 22. Qa4 Bc7 23. Rd1 Qe6 24. Qb3 Qxb3 25. axb3) 19. Nd2?? { (2.61 → 0.50) Blunder. Qxa6 was best. } (19. Qxa6 O-O 20. Qxb6 Qxc2 21. Qb5 Ne6 22. Rc1 Qe4 23. a4 Qa8 24. b3 Rb8 25. Qd3 Rd8) 19... Qxc2 20. Qxa6 O-O 21. Qxb6 Ne6 22. Nb3?! { (0.31 → -0.36) Inaccuracy. Qb5 was best. } (22. Qb5 Nd4) 22... Qxb2 23. Qa7 c4 24. Nd4?? { (0.00 → -6.93) Blunder. Qxe7 was best. } (24. Qxe7 cxb3 25. axb3 Qxb3 26. Ra1 Rb8 27. Qd6 Rd8 28. Qc6 Qd3 29. Qb7 Qf5 30. Qc6) 24... Nxd4?? { (-6.93 → -0.37) Blunder. Bc5 was best. } (24... Bc5 25. Nxe6) 25. Bxd4 c3?? { (-0.07 → 6.49) Blunder. Qb4 was best. } (25... Qb4 26. a4 Rc8 27. a5 c3 28. a6 c2 29. Be3 Bg5 30. Qb7 Qc4 31. f4 Bf6 32. a7) 26. Qxe7 Qxa2 27. Qe5 Qe6?? { (5.42 → Mate in 1) Checkmate is now unavoidable. f6 was best. } (27... f6) 28. Qxg7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting