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Puzzles (3 cohencoins award for each match):

Puzzle QAyvi: 565

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/v5uE6FoA"] [Date "2025.10.25"] [White "Ivan"] [Black "Neil1"] [Result "0-1"] [UTCDate "2025.10.25"] [UTCTime "17:14:41"] [WhiteElo "1426"] [BlackElo "1402"] [WhiteRatingDiff "-25"] [BlackRatingDiff "+13"] [WhiteTitle "NM"] [BlackTitle "IM💩"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D08"] [Opening "Queen's Gambit Declined: Albin Countergambit"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. c4 e5?! { (0.37 → 0.92) Inaccuracy. e6 was best. } { D08 Queen's Gambit Declined: Albin Countergambit } (2... e6 3. Nf3 Nf6 4. cxd5 exd5 5. Nc3 c6 6. Bf4 Be7 7. e3 O-O 8. h3 Bf5 9. Rc1) 3. Nc3 dxc4 4. e4? { (0.31 → -0.97) Mistake. e3 was best. } (4. e3 exd4 5. exd4 Nf6 6. Bxc4 Nc6 7. Nf3 Bd6 8. O-O O-O 9. Re1 h6 10. h3 Re8) 4... exd4 5. Nd5?? { (-0.89 → -7.55) Blunder. Bxc4 was best. } (5. Bxc4 Nf6) 5... Bb4+?? { (-7.55 → 1.87) Blunder. c6 was best. } (5... c6) 6. Bd2?? { (1.87 → -4.30) Blunder. Nxb4 was best. } (6. Nxb4) 6... Bc5?? { (-4.30 → -0.69) Blunder. Bxd2+ was best. } (6... Bxd2+ 7. Qxd2) 7. Bxc4 Be6? { (-0.57 → 0.53) Mistake. Nf6 was best. } (7... Nf6 8. Nf3 Nxd5 9. Bxd5 c6 10. Bc4 Be7 11. h4 Nd7 12. Bf4 Qa5+ 13. Kf1 O-O 14. Qxd4) 8. Nf3?! { (0.53 → -0.11) Inaccuracy. Qb3 was best. } (8. Qb3 Nd7 9. Qxb7 Rc8 10. Ba6 Rb8 11. Qxc7 Bxd5 12. Qxd8+ Kxd8 13. exd5 Rxb2 14. Nf3 Ngf6) 8... Nf6 9. Ba5?? { (-0.14 → -2.31) Blunder. Qc2 was best. } (9. Qc2 Nbd7 10. b4 Bd6 11. O-O Bxd5 12. exd5 O-O 13. Bb3 Re8 14. Rfe1 Rxe1+ 15. Rxe1 Qf8) 9... Nxd5? { (-2.31 → -0.83) Mistake. b6 was best. } (9... b6) 10. exd5 Bxd5 11. Bxd5?? { (-0.81 → -2.59) Blunder. Qe2+ was best. } (11. Qe2+ Kf8) 11... Qxd5 12. O-O O-O 13. Qc2?? { (-2.60 → -6.75) Blunder. Bxc7 was best. } (13. Bxc7) 13... Nc6?? { (-6.75 → -3.12) Blunder. Bd6 was best. } (13... Bd6 14. Bd2 c5 15. Ng5 d3 16. Qa4 c4 17. b3 b5 18. Qa5 Nc6 19. bxc4 Qe5 20. Nf3) 14. Bxc7 Rac8 15. Bf4 Bd6? { (-3.95 → -2.33) Mistake. Rfd8 was best. } (15... Rfd8 16. Rfd1 d3 17. Qb3 Qxb3 18. axb3 Nd4 19. Nxd4 Bxd4 20. Rac1 Rc2 21. Be3 f6 22. h4) 16. Ng5?? { (-2.33 → -6.68) Blunder. Bxd6 was best. } (16. Bxd6 Qxd6) 16... g6?? { (-6.68 → -2.59) Blunder. d3 was best. } (16... d3 17. Qd2) 17. Bxd6 Qxd6 18. Rfe1 Rfe8 19. Ne4 Qd5?? { (-2.73 → 9.13) Blunder. Qf4 was best. } (19... Qf4 20. f3 Kg7 21. Rad1 Qe5 22. h3 Qa5 23. Qf2 Rcd8 24. a3 Qd5 25. Re2 f5 26. Ng3) 20. f3?? { (9.13 → -2.76) Blunder. Nf6+ was best. } (20. Nf6+ Kf8 21. Rxe8+ Rxe8 22. Nxd5 Kg7 23. Qb3 a5 24. Qxb7 Nb4 25. Nxb4 axb4 26. Qd5 Re7) 20... Qb5?? { (-2.76 → 3.07) Blunder. Re6 was best. } (20... Re6 21. Qc5) 21. Nf6+ Kf8 22. Nxe8 Rxe8 23. Rxe8+ Kxe8 24. Qe4+?! { (2.97 → 2.12) Inaccuracy. Rc1 was best. } (24. Rc1 h5) 24... Kf8 25. Re1 Kg7 26. h4 d3? { (1.80 → 3.18) Mistake. Qc5 was best. } (26... Qc5 27. Kh2 a5 28. Kh3 h5 29. Re2 Qd6 30. g3 Qc5 31. a3 Qc4 32. g4 hxg4+ 33. fxg4) 27. Rd1?! { (3.18 → 2.40) Inaccuracy. Qe3 was best. } (27. Qe3 h5) 27... Ne5?? { (2.40 → 5.63) Blunder. Qc5+ was best. } (27... Qc5+ 28. Kh2) 28. f4?? { (5.63 → -6.26) Blunder. Qd4 was best. } (28. Qd4) 28... f5?? { (-6.26 → 7.92) Blunder. Qc5+ was best. } (28... Qc5+ 29. Kh1) 29. Qxe5+ Qxe5 30. Rxd3?? { (8.08 → -7.00) Blunder. fxe5 was best. } { White resigns. } (30. fxe5) 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting