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Puzzles (3 cohencoins award for each match):

Puzzle KfR6c: 999999999

LuNa (827) +18
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Rm9KpKnW"] [Date "2026.02.11"] [White "Ioana"] [Black "LuNa"] [Result "0-1"] [UTCDate "2026.02.11"] [UTCTime "21:41:54"] [WhiteElo "843"] [BlackElo "827"] [WhiteRatingDiff "-12"] [BlackRatingDiff "+18"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C23"] [Opening "Bishop's Opening: Khan Gambit"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Bc4?! { (0.49 → -0.05) Inaccuracy. Nf3 was best. } (2. Nf3 Nc6) 2... d5? { (-0.05 → 1.19) Mistake. Nf6 was best. } { C23 Bishop's Opening: Khan Gambit } (2... Nf6 3. Nc3 Bc5 4. Nf3 d6 5. O-O a5 6. d4 exd4 7. Nxd4 O-O 8. h3 h6 9. Nf3) 3. exd5 Bb4 4. Nf3?! { (1.48 → 0.51) Inaccuracy. Nc3 was best. } (4. Nc3) 4... e4 5. O-O?? { (0.43 → -2.50) Blunder. Nd4 was best. } (5. Nd4 Nf6) 5... exf3 6. gxf3?? { (-2.76 → -7.07) Blunder. Qxf3 was best. } (6. Qxf3 Bd6) 6... Bh3 7. Kh1 Qg5?? { (-7.88 → -3.38) Blunder. Bxf1 was best. } (7... Bxf1 8. Qxf1) 8. d3?? { (-3.38 → Mate in 1) Checkmate is now unavoidable. Rg1 was best. } (8. Rg1 Qh4 9. d4 Bd6 10. Rg3 h6 11. Nc3 Nf6 12. Nb5 O-O 13. Bd3 Nh5 14. Nxd6 cxd6) 8... Qg2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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