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Puzzles (3 cohencoins award for each match):

Puzzle hTL1W: 730

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/sD1dxRPf"] [Date "2025.09.28"] [White "Christian1"] [Black "Nikolai"] [Result "1-0"] [UTCDate "2025.09.28"] [UTCTime "17:11:49"] [WhiteElo "1602"] [BlackElo "945"] [WhiteRatingDiff "+0"] [BlackRatingDiff "-1"] [WhiteTitle "NM🐍"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense: Mieses-Kotroc Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5 2. exd5 Qxd5 { B01 Scandinavian Defense: Mieses-Kotroc Variation } 3. Nc3 Qd8 4. Bc4?! { (0.86 → 0.23) Inaccuracy. d4 was best. } (4. d4 g6 5. Nf3 Bg7 6. Bc4 Nc6 7. Bb5 Bd7 8. O-O a6 9. Bxc6 Bxc6 10. Re1 Nf6) 4... Nf6?! { (0.23 → 0.84) Inaccuracy. c5 was best. } (4... c5 5. Nf3 Nc6 6. d3 e6 7. Be3 Nf6 8. d4 cxd4 9. Nxd4 Bd7 10. Nxc6 Bxc6 11. Qxd8+) 5. Nf3 c6?! { (0.71 → 1.40) Inaccuracy. a6 was best. } (5... a6 6. d4 b5 7. Be2 e6 8. Ne5 Bb7 9. Bf3 Qc8 10. O-O Bd6 11. Bg5 Nbd7 12. Re1) 6. Ng5?! { (1.40 → 0.58) Inaccuracy. d4 was best. } (6. d4 e6 7. O-O b5 8. Bd3 Be7 9. Ne4 Nbd7 10. a4 O-O 11. Nxf6+ Nxf6 12. axb5 cxb5) 6... e6 7. O-O Be7 8. d4 Bd7?! { (0.62 → 1.55) Inaccuracy. O-O was best. } (8... O-O) 9. Qf3 O-O 10. Be3? { (1.48 → 0.08) Mistake. Nce4 was best. } (10. Nce4 c5) 10... h6 11. Nge4 g5?? { (0.68 → 4.94) Blunder. Nd5 was best. } (11... Nd5) 12. Nxf6+ Bxf6 13. Qh3?? { (5.06 → 1.39) Blunder. h4 was best. } (13. h4 Be7) 13... Kg7?? { (1.39 → 4.15) Blunder. Bg7 was best. } (13... Bg7 14. Qg3 f5 15. f4 g4 16. Rad1 h5 17. h3 Qe7 18. Bb3 Qf7 19. Qh4 Na6 20. hxg4) 14. Bd3? { (4.15 → 2.04) Mistake. Ne4 was best. } (14. Ne4 Be7) 14... e5 15. g3?? { (1.51 → -11.76) Blunder. Qf3 was best. } (15. Qf3 exd4) 15... exd4?! { (-11.76 → -6.00) Inaccuracy. Bxh3 was best. } (15... Bxh3 16. dxe5 Bxe5 17. Rfe1 Nd7 18. Rab1 f6 19. f4 Bb8 20. Bc4 Bf5 21. Bd3 Bg4 22. a3) 16. Qg2 Kg8?? { (-7.00 → 2.07) Blunder. dxe3 was best. } (16... dxe3) 17. Ne4?? { (2.07 → -4.97) Blunder. Qe4 was best. } (17. Qe4) 17... dxe3 18. fxe3 Bxb2 19. Rab1 Bg7 20. Rf3? { (-4.12 → -8.31) Mistake. Rxb7 was best. } (20. Rxb7) 20... Bf6?? { (-8.31 → 10.30) Blunder. Be6 was best. } (20... Be6) 21. Qf2?? { (10.30 → -4.39) Blunder. Nxf6+ was best. } (21. Nxf6+ Kg7) 21... Kg7?? { (-4.39 → 6.29) Blunder. Bg7 was best. } (21... Bg7) 22. Nxf6 Kh8 23. c4 Na6 24. Qb2 b5 25. cxb5 cxb5 26. Nxd7+ Kg8 27. Nxf8 Qxf8 28. Qxb5 Kg7?! { (11.24 → Mate in 6) Checkmate is now unavoidable. Nc5 was best. } (28... Nc5 29. Bc4) 29. Qxa6?! { (Mate in 6 → 81.01) Lost forced checkmate sequence. Qf5 was best. } (29. Qf5 Qg8 30. Rb7 Nc7 31. Rxc7 Kh8 32. Rxf7 Qg7 33. Rxg7 Kxg7 34. Qh7#) 29... Re8?! { (81.01 → Mate in 9) Checkmate is now unavoidable. Rd8 was best. } (29... Rd8 30. Qf6+) 30. Rb7 Re7 31. Rxa7?! { (Mate in 5 → 58.85) Lost forced checkmate sequence. Qf6+ was best. } (31. Qf6+ Kg8 32. Rxe7 Qxe7 33. Qxe7 f5 34. Rxf5 h5 35. Rf8#) 31... Rxa7 32. Qxa7 Kg8?! { (66.93 → Mate in 5) Checkmate is now unavoidable. g4 was best. } (32... g4 33. Qd4+ Kg8 34. Qxg4+ Qg7 35. Qc8+ Qf8 36. Qxf8+ Kxf8 37. Bc4 f6 38. Rxf6+ Ke7 39. Rxh6) 33. Qd7?! { (Mate in 5 → 62.68) Lost forced checkmate sequence. Bc4 was best. } (33. Bc4 Qd8 34. Rxf7 Qd1+ 35. Rf1+ Kh8 36. Rxd1 g4 37. Rd8#) 33... f5?! { (62.68 → Mate in 5) Checkmate is now unavoidable. g4 was best. } (33... g4 34. Qxg4+ Qg7 35. Qc8+ Qf8 36. Qxf8+ Kxf8 37. Bc4 f5 38. Rxf5+ Ke7 39. Rh5 Kf6 40. Rxh6+) 34. Bc4+ Kh8 35. Rxf5 Qg7 36. Qe8+ Qg8 37. Qxg8# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting