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Puzzles (3 cohencoins award for each match):

Puzzle DcXd2: 446

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/tpUxSkDI"] [Date "2025.08.26"] [White "Rhys1"] [Black "Trekker"] [Result "0-1"] [UTCDate "2025.08.26"] [UTCTime "14:17:22"] [WhiteElo "1366"] [BlackElo "1769"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+2"] [BlackTitle "GM🎅"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B02"] [Opening "Alekhine Defense: Scandinavian Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 Nf6?! { (0.33 → 1.02) Inaccuracy. c5 was best. } (1... c5 2. Nf3 d6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nc6 6. O-O h6 7. Nd5 Nf6 8. Nxf6+) 2. Nc3?! { (1.02 → 0.17) Inaccuracy. e5 was best. } (2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. h3 Bg7 8. Nf3 O-O) 2... d5 { B02 Alekhine Defense: Scandinavian Variation } 3. exd5 Nxd5 4. Nxd5?! { (0.19 → -0.38) Inaccuracy. Bc4 was best. } (4. Bc4 e6) 4... Qxd5 5. c4? { (0.00 → -1.28) Mistake. Qf3 was best. } (5. Qf3 Qe6+ 6. Ne2 Nc6 7. c3 Qg4 8. Qxg4 Bxg4 9. h3 Bd7 10. d4 e5 11. Be3 O-O-O) 5... Qd8?! { (-1.28 → -0.28) Inaccuracy. Qe4+ was best. } (5... Qe4+) 6. Nf3 Nc6? { (-0.37 → 0.68) Mistake. e5 was best. } (6... e5 7. Nxe5) 7. d4 Bg4?! { (0.37 → 1.27) Inaccuracy. e5 was best. } (7... e5 8. d5 e4 9. Nd2 e3 10. fxe3 Ne5 11. Qc2 Qg5 12. Qe4 Bd6 13. Nf3 Qh5 14. Be2) 8. Be3?! { (1.27 → 0.46) Inaccuracy. d5 was best. } (8. d5 Ne5 9. Qb3 Nxf3+ 10. gxf3 Bd7 11. Bg5 g6 12. h4 c6 13. h5 Bg7 14. O-O-O cxd5) 8... Bxf3 9. gxf3 Nxd4?? { (0.02 → 7.10) Blunder. e5 was best. } (9... e5 10. d5 Nd4 11. Qa4+ b5 12. cxb5 Bb4+ 13. Kd1 Qxd5 14. Qxb4 c5 15. Qa4 Qxf3+ 16. Ke1) 10. Bxd4 c5 11. Qa4+ Qd7 12. Qxd7+ Kxd7 13. O-O-O?? { (8.40 → 0.21) Blunder. Be3 was best. } (13. Be3 Rd8) 13... Kc6?? { (0.21 → 8.75) Blunder. cxd4 was best. } (13... cxd4 14. Rxd4+ Kc7 15. Bh3 e6 16. Rhd1 Rc8 17. Rd7+ Kb6 18. Rxf7 Rxc4+ 19. Kb1 Rc7 20. Rdd7) 14. b4?? { (8.75 → -0.83) Blunder. Be5 was best. } (14. Be5 f6 15. Bc3 e6 16. Re1 Bd6 17. Kc2 Be5 18. Rg1 Rad8 19. f4 Bxc3 20. Kxc3 Kc7) 14... cxd4 15. b5+? { (-0.70 → -2.18) Mistake. Rxd4 was best. } (15. Rxd4 e5) 15... Kc5 16. Rg1 g6 17. Rg5+?! { (-2.74 → -3.72) Inaccuracy. Kc2 was best. } (17. Kc2 e6 18. h4 a6 19. Kb3 Bh6 20. Bd3 Bf4 21. h5 a5 22. Rg4 e5 23. Rgg1 a4+) 17... Kb6?? { (-3.72 → -1.46) Blunder. f5 was best. } (17... f5 18. Kc2) 18. Rxd4?? { (-1.46 → -5.72) Blunder. Rd5 was best. } (18. Rd5 Bg7 19. Rd7 Bf6 20. c5+ Kxc5 21. Rxb7 Kd6 22. Bh3 Rab8 23. Rd7+ Kc5 24. a4 Kb6) 18... Bh6 19. c5+ Ka5?? { (-5.76 → 0.00) Blunder. Kc7 was best. } (19... Kc7 20. f4 Bxg5 21. fxg5 Rhd8 22. Re4 Rac8 23. Rxe7+ Kb8 24. Rxf7 Rxc5+ 25. Kb2 Rxg5 26. Rxh7) 20. f4?? { (0.00 → -6.39) Blunder. Kc2 was best. } (20. Kc2 Rad8 21. Rgd5 Rxd5 22. Rxd5 Kb4 23. c6 bxc6 24. bxc6 Rc8 25. Rb5+ Ka4 26. Rc5 Kb4) 20... Bxg5 21. fxg5 a6?! { (-6.64 → -4.26) Inaccuracy. Rac8 was best. } (21... Rac8 22. Rc4) 22. Rd3?! { (-4.26 → -6.20) Inaccuracy. bxa6 was best. } (22. bxa6 bxa6) 22... axb5 23. Ra3+ Kb4 24. Rb3+ Kxc5 25. Rc3+ Kb6 26. Rb3 Rhc8+ 27. Kb1 Rc5 28. f4 Rac8 29. Kb2 Rc2+ 30. Ka3? { (-8.80 → Mate in 2) Checkmate is now unavoidable. Ka1 was best. } (30. Ka1 Rc1+) 30... Ra8+ 31. Kb4 Ra4# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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