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Puzzles (3 cohencoins award for each match):

Puzzle RIvN1: 999999999

Peter3 (1351) +20
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/9XC6vgXG"] [Date "2025.09.08"] [White "Peter3"] [Black "Drew"] [Result "1-0"] [UTCDate "2025.09.08"] [UTCTime "23:34:13"] [WhiteElo "1351"] [BlackElo "1597"] [WhiteRatingDiff "+20"] [BlackRatingDiff "-24"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C50"] [Opening "Four Knights Game: Italian Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Bc5? { (0.52 → 1.94) Mistake. Nc6 was best. } (2... Nc6) 3. Bc4?? { (1.94 → 0.34) Blunder. Nxe5 was best. } (3. Nxe5 Nc6 4. Nxc6 dxc6 5. d3 f5 6. e5 Qd5 7. f4 Be6 8. c3 Bb6 9. Nd2 Ne7) 3... Nf6?? { (0.34 → 1.98) Blunder. Nc6 was best. } (3... Nc6 4. O-O Nf6 5. d3 h6 6. c3 d6 7. Re1 a6 8. d4 Ba7 9. h3 O-O 10. Bb3) 4. Nc3?? { (1.98 → -0.04) Blunder. Nxe5 was best. } (4. Nxe5) 4... Nc6 { C50 Four Knights Game: Italian Variation } 5. O-O h5?? { (0.10 → 1.82) Blunder. d6 was best. } (5... d6 6. a4 O-O 7. a5 Nd4 8. Nxd4 exd4 9. Nd5 Nxd5 10. Bxd5 c6 11. Ba2 Re8 12. h3) 6. Ng5 d5?! { (1.56 → 2.20) Inaccuracy. O-O was best. } (6... O-O) 7. exd5 Nxd5?? { (2.33 → 7.39) Blunder. Na5 was best. } (7... Na5 8. Bb5+ c6 9. dxc6 Nxc6 10. Bxc6+ bxc6 11. d3 O-O 12. h3 Bf5 13. Re1 Qb6 14. Qf3) 8. Nxd5 Qxg5 9. Nxc7+ Kf8 10. Nxa8 h4?! { (6.39 → 10.59) Inaccuracy. Qg6 was best. } (10... Qg6 11. d3 h4 12. Bd5 Bd6 13. Be3 Bf5 14. Qd2 h3 15. g3 Nd4 16. Bxd4 exd4 17. Qa5) 11. Qf3?! { (10.59 → 5.30) Inaccuracy. d4 was best. } (11. d4) 11... Nd4?? { (5.30 → Mate in 1) Checkmate is now unavoidable. Qe7 was best. } (11... Qe7 12. b4 Nd4 13. Qxf7+ Qxf7 14. Bxf7 Kxf7 15. bxc5 h3 16. Bb2 hxg2 17. Rfe1 Nf3+ 18. Kxg2) 12. Qxf7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting