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Puzzles (3 cohencoins award for each match):

Puzzle YDPw3: 739

GM🔥 Isaac6 (1917) +1

Puzzle 6Auf0: 999999999

GM🔥 Isaac6 (1917) +1
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/l6TUmlTe"] [Date "2025.12.13"] [White "Islomjon"] [Black "Isaac6"] [Result "0-1"] [UTCDate "2025.12.13"] [UTCTime "00:49:57"] [WhiteElo "1373"] [BlackElo "1917"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [WhiteTitle "GM"] [BlackTitle "GM🔥"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Three Knights Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 { C46 Three Knights Opening } Bc5?! { (0.18 → 0.88) Inaccuracy. Nf6 was best. } (3... Nf6 4. Bb5 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Kxe2) 4. Be2?! { (0.88 → 0.08) Inaccuracy. Nxe5 was best. } (4. Nxe5 Nxe5 5. d4 Bd6 6. dxe5 Bxe5 7. Bd3 d6 8. h3 Bxc3+ 9. bxc3 Qe7 10. O-O Nf6) 4... d6 5. O-O Nd4?! { (-0.21 → 0.41) Inaccuracy. Nf6 was best. } (5... Nf6 6. d3 a6 7. Be3 Nd4 8. a4 Be6 9. a5 Ba7 10. Nb1 O-O 11. Nxd4 exd4 12. Bd2) 6. Nxd4 exd4? { (0.12 → 1.57) Mistake. Bxd4 was best. } (6... Bxd4 7. a4 a6 8. a5 Be6 9. d3 Ne7 10. Bg4 O-O 11. Bxe6 fxe6 12. Qg4 Qd7 13. Ne2) 7. Nd5? { (1.57 → 0.15) Mistake. Na4 was best. } (7. Na4 Ne7 8. d3 Bb6 9. Nxb6 axb6 10. f4 f5 11. Bh5+ g6 12. Bf3 O-O 13. Qe2 c5) 7... c6?! { (0.15 → 1.02) Inaccuracy. a5 was best. } (7... a5) 8. Nf4?! { (1.02 → 0.24) Inaccuracy. b4 was best. } (8. b4 cxd5 9. bxc5 dxc5 10. exd5 Ne7 11. c4 O-O 12. a4 Ng6 13. d3 b6 14. f4 Nh4) 8... Qg5?! { (0.24 → 0.84) Inaccuracy. a5 was best. } (8... a5 9. Bg4 Ne7 10. d3 O-O 11. Bxc8 Qxc8 12. a4 Qd7 13. Bd2 Ng6 14. Nxg6 hxg6 15. h3) 9. Nh3?? { (0.84 → -7.23) Blunder. d3 was best. } (9. d3 Qe7) 9... Bxh3 10. d3? { (-7.06 → Mate in 1) Checkmate is now unavoidable. Bf3 was best. } (10. Bf3) 10... Qxg2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting