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Puzzles (3 cohencoins award for each match):

Puzzle B5jRD: 999999999

GM🤪 Matthew11 (1256) +15
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/wpj6cNgu"] [Date "2026.03.07"] [White "Islomjon"] [Black "Matthew11"] [Result "0-1"] [UTCDate "2026.03.07"] [UTCTime "00:03:25"] [WhiteElo "1390"] [BlackElo "1256"] [WhiteRatingDiff "-16"] [BlackRatingDiff "+15"] [WhiteTitle "GM"] [BlackTitle "GM🤪"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C48"] [Opening "Four Knights Game: Spanish Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 { C48 Four Knights Game: Spanish Variation } d6?! { (0.01 → 0.90) Inaccuracy. Nd4 was best. } (4... Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Bxe2 Bc5 11. O-O) 5. Bxc6+ bxc6 6. O-O?! { (0.49 → -0.15) Inaccuracy. d4 was best. } (6. d4 Nd7) 6... c5 7. d3 Bg4 8. Bg5 Bxf3? { (-0.24 → 0.86) Mistake. Be7 was best. } (8... Be7 9. h3) 9. Qxf3 Be7 10. Bxf6 Bxf6 11. Nd5 Be7 12. Nxe7?! { (1.00 → 0.12) Inaccuracy. a3 was best. } (12. a3 c6 13. Ne3 a5 14. g3 h5 15. Nc4 h4 16. Qg4 Bf6 17. b4 hxg3 18. fxg3 axb4) 12... Qxe7 13. Rad1 O-O 14. c3?! { (0.26 → -0.40) Inaccuracy. b3 was best. } (14. b3 a5 15. a4 Rab8 16. Rde1 Qg5 17. Re3 Rb4 18. Qe2 f5 19. exf5 Rxf5 20. Re4 h5) 14... c6?! { (-0.40 → 0.35) Inaccuracy. a5 was best. } (14... a5) 15. Qe3 Rad8 16. d4 Qe6?! { (0.21 → 1.06) Inaccuracy. exd4 was best. } (16... exd4 17. cxd4 d5 18. exd5 Qxe3 19. fxe3 Rxd5 20. dxc5 Rxc5 21. Rc1 Ra5 22. a3 Re5 23. Kf2) 17. dxc5 dxc5 18. Rxd8 Rxd8 19. Qxc5 a6? { (0.69 → 2.05) Mistake. Qxa2 was best. } (19... Qxa2) 20. Qb6 Ra8?? { (1.75 → 4.00) Blunder. Qc8 was best. } (20... Qc8 21. b4 h6 22. h3 Rd3 23. Rc1 Kh7 24. a3 f6 25. Qa7 Kg6 26. a4 h5 27. Kh2) 21. Qb7?! { (4.00 → 3.08) Inaccuracy. Rd1 was best. } (21. Rd1 h6) 21... Qe8?! { (3.08 → 4.09) Inaccuracy. Qc8 was best. } (21... Qc8 22. Qxc8+ Rxc8 23. Rd1 Kf8 24. Kf1 Ke7 25. Ke2 a5 26. b3 h5 27. Kd3 Rd8+ 28. Kc2) 22. Rd1 Rb8?! { (3.76 → 4.90) Inaccuracy. h6 was best. } (22... h6 23. h3) 23. Qxa6?! { (4.90 → 3.80) Inaccuracy. Qd7 was best. } (23. Qd7 a5 24. b3 Qxd7 25. Rxd7 a4 26. b4 Kf8 27. Kf1 c5 28. bxc5 Ke8 29. Rd5 Rb1+) 23... Rxb2 24. a4? { (3.90 → 2.16) Mistake. Qxc6 was best. } (24. Qxc6) 24... c5? { (2.16 → 4.38) Mistake. g6 was best. } (24... g6 25. h3 Qe6 26. Ra1 Kg7 27. a5 Qb3 28. Qf1 Qxc3 29. a6 Rb8 30. a7 Ra8 31. Qa6) 25. Qa5? { (4.38 → 2.45) Mistake. Qc6 was best. } (25. Qc6) 25... Ra2?? { (2.45 → 6.51) Blunder. h6 was best. } (25... h6 26. Qxc5 Ra2 27. Qb5 Qe7 28. h3 Qa7 29. Rf1 Qxa4 30. Qb8+ Kh7 31. Qxe5 Re2 32. Qf5+) 26. Rd8?? { (6.51 → Mate in 2) Checkmate is now unavoidable. h3 was best. } (26. h3) 26... Ra1+ 27. Rd1 Rxd1# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting