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Puzzles (3 cohencoins award for each match):

Puzzle j7nlZ: 758

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/JZ4uyXsO"] [Date "2025.10.18"] [White "Ivan"] [Black "Matilda"] [Result "1-0"] [UTCDate "2025.10.18"] [UTCTime "17:09:44"] [WhiteElo "1374"] [BlackElo "1327"] [WhiteRatingDiff "+30"] [BlackRatingDiff "-17"] [WhiteTitle "NM"] [BlackTitle "⛸"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D50"] [Opening "Queen's Gambit Declined: Modern Variation"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. c4 Nf6 3. Nc3?! { (0.88 → 0.20) Inaccuracy. cxd5 was best. } (3. cxd5 g6 4. Nf3 Bg7 5. Qa4+ c6 6. dxc6 Nxc6 7. Nc3 Bf5 8. e3 a6 9. Ne5 O-O) 3... e6 4. Bg5 { D50 Queen's Gambit Declined: Modern Variation } h6?! { (0.35 → 1.30) Inaccuracy. Be7 was best. } (4... Be7) 5. Bxf6 Qxf6 6. cxd5 Bb4?? { (1.99 → 8.14) Blunder. exd5 was best. } (6... exd5 7. Nxd5) 7. dxe6?? { (8.14 → 1.73) Blunder. Qa4+ was best. } (7. Qa4+) 7... Qxe6 8. e3 Nc6?! { (1.94 → 3.13) Inaccuracy. c5 was best. } (8... c5 9. a3) 9. Nf3 Bxc3+ 10. bxc3 Bd7? { (3.40 → 5.82) Mistake. Qf6 was best. } (10... Qf6 11. Nd2) 11. c4? { (5.82 → 3.31) Mistake. d5 was best. } (11. d5 Qf6 12. dxc6 Qxc3+ 13. Nd2 Bxc6 14. Rc1 Qa5 15. Qb3 O-O-O 16. Qc3 Qxc3 17. Rxc3 Rd6) 11... O-O? { (3.31 → 6.05) Mistake. Qf6 was best. } (11... Qf6 12. Bd3 O-O 13. O-O Rad8 14. Rc1 Rfe8 15. h3 Ne7 16. c5 Ng6 17. Bxg6 Qxg6 18. Ne5) 12. d5 Qf6 13. dxc6 Bxc6 14. Bd3? { (6.53 → 3.28) Mistake. Qd4 was best. } (14. Qd4 Qf5 15. Be2 Rfd8 16. Qc3 Rd6 17. c5 Rf6 18. Rg1 Re8 19. g4 Qxf3 20. Bxf3 Bxf3) 14... Bxf3? { (3.28 → 6.61) Mistake. Rad8 was best. } (14... Rad8) 15. gxf3 Rad8 16. O-O?? { (6.68 → -0.38) Blunder. Ke2 was best. } (16. Ke2) 16... Qg5+ 17. Kh1 Rd6?? { (0.00 → 6.81) Blunder. Qf6 was best. } (17... Qf6 18. Qe2 Rxd3 19. Qxd3 Qxf3+ 20. Kg1 Qg4+ 21. Kh1) 18. Rg1?? { (6.81 → 0.00) Blunder. Qe2 was best. } (18. Qe2 Rfd8) 18... Qh5?? { (0.00 → 7.03) Blunder. Qd8 was best. } (18... Qd8 19. Qb3 Rxd3 20. Qxb7 Rd2 21. Rg2 Rd1+ 22. Rg1) 19. Qb3? { (7.03 → 3.90) Mistake. Qe2 was best. } (19. Qe2) 19... Qxf3+ 20. Rg2 Rfd8 21. Bf1?? { (3.29 → -5.98) Blunder. Bc2 was best. } { White wins on time. } (21. Bc2 Rd2) 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting