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Puzzles (3 cohencoins award for each match):

Puzzle B77F5: 999999999

IM Caroline1 (1192) +24
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/onMxfih9"] [Date "2026.02.16"] [White "Mark"] [Black "Caroline1"] [Result "0-1"] [UTCDate "2026.02.16"] [UTCTime "16:49:01"] [WhiteElo "1504"] [BlackElo "1192"] [WhiteRatingDiff "-16"] [BlackRatingDiff "+24"] [WhiteTitle "⛳"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C44"] [Opening "Scotch Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. d4 { C44 Scotch Game } Bd6?! { (0.38 → 1.36) Inaccuracy. exd4 was best. } (3... exd4 4. Nxd4) 4. d5 Nd4?? { (0.85 → 3.83) Blunder. Nce7 was best. } (4... Nce7 5. Nbd2) 5. Nxd4? { (3.83 → 2.38) Mistake. Nfd2 was best. } (5. Nfd2) 5... exd4 6. Qxd4 Nf6 7. e5?? { (2.32 → -0.45) Blunder. Nc3 was best. } (7. Nc3 Qe7 8. Qd3 O-O 9. f3 b5 10. Nxb5 Ba6 11. a4 Bxb5 12. axb5 c6 13. bxc6 dxc6) 7... Bb4+?? { (-0.45 → 9.92) Blunder. Qe7 was best. } (7... Qe7 8. Bf4 Nh5 9. Kd2 Bc5 10. Qe4 Nxf4 11. Qxf4 O-O 12. Nc3 d6 13. Re1 dxe5 14. Rxe5) 8. Nc3?! { (9.92 → 6.51) Inaccuracy. Qxb4 was best. } (8. Qxb4) 8... Bxc3+ 9. Qxc3? { (6.31 → 3.55) Mistake. bxc3 was best. } (9. bxc3 Ng8) 9... Nxd5 10. Qd4? { (3.65 → 2.00) Mistake. Qg3 was best. } (10. Qg3 Ne7 11. Qxg7 Rg8 12. Qf6 Rg6 13. Qh8+ Rg8 14. Qxh7 d6 15. Bd3 dxe5 16. h4 Qd5) 10... Nb6? { (2.00 → 3.37) Mistake. c6 was best. } (10... c6 11. c4) 11. Be2?! { (3.37 → 2.22) Inaccuracy. Bf4 was best. } (11. Bf4 O-O) 11... d6 12. exd6 Be6?? { (2.75 → 8.67) Blunder. O-O was best. } (12... O-O 13. Be3) 13. Qxg7 Rf8 14. dxc7 Qxc7 15. Bh6 Nd7 16. O-O-O Rc8 17. Rhe1?? { (8.61 → Mate in 1) Checkmate is now unavoidable. Rd2 was best. } (17. Rd2 Qe5) 17... Qxc2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting