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Puzzles (3 cohencoins award for each match):

Puzzle jqDFc: 999999999

GM🐧 Vladimir (1268) +13
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/FqhNPer0"] [Date "2026.03.14"] [White "Rishi"] [Black "Vladimir"] [Result "0-1"] [UTCDate "2026.03.14"] [UTCTime "17:27:19"] [WhiteElo "1385"] [BlackElo "1268"] [WhiteRatingDiff "-13"] [BlackRatingDiff "+13"] [BlackTitle "GM🐧"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C68"] [Opening "Ruy Lopez: Exchange Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 { C68 Ruy Lopez: Exchange Variation } dxc6 5. Nxe5? { (0.28 → -1.13) Mistake. O-O was best. } (5. O-O f6 6. d4 exd4 7. Nxd4 c5 8. Nb3 Qxd1 9. Rxd1 Bd6 10. Na5 b5 11. Be3 Ne7) 5... Qe7 6. Qh5?? { (-1.06 → -5.44) Blunder. Nf3 was best. } (6. Nf3 Qxe4+ 7. Qe2 Bf5 8. d3 Qxe2+ 9. Kxe2 O-O-O 10. Be3 c5 11. Nbd2 b6 12. Rae1 f6) 6... g6 7. Qf3 Qxe5 8. O-O Nh6?! { (-6.92 → -5.14) Inaccuracy. Bd6 was best. } (8... Bd6 9. g3) 9. Nc3?! { (-5.14 → -7.00) Inaccuracy. d4 was best. } (9. d4 Qxd4) 9... Bg4? { (-7.00 → -3.73) Mistake. Ng4 was best. } (9... Ng4) 10. Qe3 Be6?! { (-3.74 → -2.92) Inaccuracy. Bd7 was best. } (10... Bd7 11. d4) 11. d4 Qh5 12. d5 { White offers draw } 12... Ng4 13. Qf3?? { (-2.60 → Mate in 1) Checkmate is now unavoidable. Qg3 was best. } (13. Qg3 Bd7) 13... Qxh2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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