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Puzzles (3 cohencoins award for each match):

Puzzle rugdQ: 746

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/4Xs9u0yJ"] [Date "2025.11.21"] [White "Summer"] [Black "Eli4"] [Result "1-0"] [UTCDate "2025.11.21"] [UTCTime "21:14:31"] [WhiteElo "1335"] [BlackElo "800"] [WhiteRatingDiff "+2"] [BlackRatingDiff "-2"] [WhiteTitle "🥟"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C23"] [Opening "Bishop's Opening: Boi Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Bc4?! { (0.50 → -0.09) Inaccuracy. Nf3 was best. } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6) 2... Bc5 { C23 Bishop's Opening: Boi Variation } 3. Qf3?! { (0.38 → -0.23) Inaccuracy. Nf3 was best. } (3. Nf3 Nc6 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 O-O) 3... Qf6?! { (-0.23 → 0.41) Inaccuracy. Nf6 was best. } (3... Nf6 4. Nc3 O-O 5. Nge2 c6 6. d3 b5 7. Bb3 d6 8. h3 a5 9. a4 b4 10. Nd1) 4. Nh3?? { (0.41 → -1.83) Blunder. Nc3 was best. } (4. Nc3 c6 5. Qg3 d6 6. Nf3 Ne7 7. d4 Bxd4 8. Nxd4 exd4 9. Ne2 Nd7 10. Bd3 Ne5) 4... Nh6?? { (-1.83 → 1.29) Blunder. Qxf3 was best. } (4... Qxf3 5. gxf3 d5 6. Bb5+ Nc6 7. exd5 a6 8. dxc6 axb5 9. cxb7 Bxb7 10. d3 Ne7 11. Be3) 5. O-O?? { (1.29 → -6.93) Blunder. Qxf6 was best. } (5. Qxf6) 5... O-O?? { (-6.93 → 6.83) Blunder. Qxf3 was best. } (5... Qxf3) 6. c3?? { (6.83 → -6.00) Blunder. Qxf6 was best. } (6. Qxf6 gxf6) 6... c6?? { (-6.00 → 7.96) Blunder. Qxf3 was best. } (6... Qxf3 7. gxf3) 7. Na3?? { (7.96 → -7.63) Blunder. Qxf6 was best. } (7. Qxf6 gxf6) 7... Na6?? { (-7.63 → 4.14) Blunder. Qxf3 was best. } (7... Qxf3 8. gxf3) 8. Qd1?? { (4.14 → -3.28) Blunder. Qxf6 was best. } (8. Qxf6 gxf6) 8... Qd8?? { (-3.28 → 0.77) Blunder. d5 was best. } (8... d5 9. Bxa6 bxa6 10. d4 Bxa3 11. bxa3 Bxh3 12. gxh3 Qg6+ 13. Kh1 Qxe4+ 14. f3 Qh4 15. Bxh6) 9. d4 d5?! { (0.90 → 1.49) Inaccuracy. Bxa3 was best. } (9... Bxa3 10. bxa3 d5 11. exd5 Bxh3 12. Bxh6 cxd5 13. Bxa6 bxa6 14. gxh3 gxh6 15. dxe5 Qg5+ 16. Qg4) 10. exd5?! { (1.49 → 0.86) Inaccuracy. dxc5 was best. } (10. dxc5 dxc4 11. Qh5 Qf6 12. Nxc4 Nxc5 13. f3 Nd3 14. Bxh6 Qxh6 15. Qxh6 gxh6 16. Rfd1) 10... exd4 11. cxd4?! { (1.10 → 0.41) Inaccuracy. Bxh6 was best. } (11. Bxh6) 11... Bxd4?? { (0.41 → 7.53) Blunder. Bxa3 was best. } (11... Bxa3 12. bxa3) 12. Qxd4 Qg5 13. Bxg5 f6 14. Bf4 f5 15. Bd6 Rd8 16. Bg3 Rxd5 17. Bxd5+ Kh8?! { (23.00 → Mate in 7) Checkmate is now unavoidable. cxd5 was best. } (17... cxd5 18. Qxd5+ Be6 19. Qxb7 Rf8 20. Qxa6 Bd5 21. Nf4 Bxg2 22. Kxg2 Nf7 23. Nd5 Ng5 24. f3) 18. Be6?! { (Mate in 7 → 19.35) Lost forced checkmate sequence. Be5 was best. } (18. Be5 cxd5 19. Bxg7+ Kg8 20. Bxh6 Kf7 21. Qg7+ Ke6 22. Nb5 f4 23. Nxf4+ Kf5 24. Nd6#) 18... Bxe6 19. Nf4 Ng4 20. Nxe6 c5?! { (20.98 → Mate in 1) Checkmate is now unavoidable. Nf6 was best. } (20... Nf6 21. Bh4) 21. Qxg7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting