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Puzzles (3 cohencoins award for each match):

Puzzle 54Sdg: 531

GM🎅 Trekker (1807) +1
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/DzJtfvlO"] [Date "2026.03.27"] [White "Trekker"] [Black "Scarlet"] [Result "1-0"] [UTCDate "2026.03.27"] [UTCTime "20:41:35"] [WhiteElo "1807"] [BlackElo "1315"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-3"] [WhiteTitle "GM🎅"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A22"] [Opening "English Opening: King's English Variation, Two Knights Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. c4 e5 2. Nc3 Nf6 { A22 English Opening: King's English Variation, Two Knights Variation } 3. Nf3 Bb4?? { (0.09 → 2.34) Blunder. Nc6 was best. } (3... Nc6 4. e4 Bb4 5. d3 d6 6. Be2 Bc5 7. O-O O-O 8. Be3 Re8 9. h3 Nd7 10. a3) 4. Nxe5 Nc6 5. Nf3 d6 6. d4 d5 7. Qa4?? { (2.37 → 0.49) Blunder. e3 was best. } (7. e3 Bg4) 7... dxc4 8. e3 O-O?! { (0.61 → 1.63) Inaccuracy. Bd7 was best. } (8... Bd7 9. Qc2) 9. Bxc4 Bf5 10. O-O Ng4?? { (2.23 → 5.43) Blunder. a6 was best. } (10... a6 11. Qd1) 11. h3 Nh6 12. a3?! { (5.43 → 3.85) Inaccuracy. d5 was best. } (12. d5 Bxc3) 12... Ba5?! { (3.85 → 5.25) Inaccuracy. Bxc3 was best. } (12... Bxc3 13. bxc3 Be4 14. Qd1 Na5 15. Ba2 Re8 16. Nd2 Bd3 17. Re1 c5 18. Bb1 Bxb1 19. Rxb1) 13. b4 Bb6 14. Nd5?? { (4.84 → 2.12) Blunder. Bb2 was best. } (14. Bb2 Bg6) 14... Be4 15. Nxb6 axb6 16. Nd2?? { (1.98 → -7.06) Blunder. Qd1 was best. } (16. Qd1 Nxb4 17. Bb2 Nd5 18. Nd2 Bg6 19. Re1 f5 20. Qb3 Bf7 21. a4 Re8 22. Nf3 c6) 16... Rxa4 17. Nxe4 Nf5 18. Nc3 Ra8 19. Bb2 Nh4 20. d5 Ne7 21. Rad1 c6 22. dxc6 Qc7 23. cxb7 Qxb7 24. e4 Nef5?? { (-6.23 → -1.14) Blunder. Qc6 was best. } (24... Qc6 25. Be2 Nxg2 26. Kxg2 Rad8 27. Rfe1 Ng6 28. Nd5 Qc2 29. Bc1 Qxe4+ 30. Kg1 Rxd5 31. Rxd5) 25. Bd5 Qe7 26. exf5? { (-0.73 → -2.10) Mistake. Bxa8 was best. } (26. Bxa8 Rxa8 27. exf5 h5 28. Bc1 Qb7 29. Nd5 Nxg2 30. Rd4 Nh4 31. Nf6+ gxf6 32. Rxh4 Qf3) 26... Rad8 27. Bb3?? { (-2.50 → -5.59) Blunder. Rfe1 was best. } (27. Rfe1 Qf6 28. Re4 Nxf5 29. Rd3 h5 30. Rf4 g5 31. Re4 Rfe8 32. Rf3 Kf8 33. Rxe8+ Rxe8) 27... Rxd1 28. Rxd1 Qb7?? { (-4.98 → -2.29) Blunder. Rd8 was best. } (28... Rd8 29. Bd5) 29. Bd5?! { (-2.29 → -3.51) Inaccuracy. Nd5 was best. } (29. Nd5 Nxf5 30. Re1 Kh8 31. a4 Qd7 32. Bc3 Re8 33. Ra1 Qc8 34. b5 Qc5 35. Bb4 Qd4) 29... Qd7?? { (-3.51 → -0.15) Blunder. Qe7 was best. } (29... Qe7 30. Be4 Rd8 31. Re1 h5 32. Re3 Qf6 33. a4 Nxf5 34. Rf3 g6 35. a5 bxa5 36. bxa5) 30. Ne4?? { (-0.15 → -4.61) Blunder. Be4 was best. } (30. Be4 Qe7 31. Rd4 Re8 32. Nd5 Qe5 33. f4 Qxe4 34. Rxe4 Rxe4 35. f6 g5 36. fxg5 Re2) 30... Re8?? { (-4.61 → 0.00) Blunder. Qxf5 was best. } (30... Qxf5) 31. Nd6?? { (0.00 → -2.63) Blunder. Ng5 was best. } (31. Ng5 Qxf5 32. Bxf7+ Kf8 33. Bxe8 Kxe8 34. Re1+ Kf8 35. Ne4 Qg6 36. Ng3 Qc6 37. Re4 g5) 31... Qxd6?? { (-2.63 → 5.78) Blunder. Rd8 was best. } (31... Rd8) 32. Bxf7+ Kxf7 33. Rxd6 g6?! { (5.83 → 8.65) Inaccuracy. Re1+ was best. } (33... Re1+ 34. Kh2) 34. fxg6+ hxg6 35. Rxb6 Re6 36. Rxe6 Kxe6 37. Kh2 Kf5 38. Kg3 Kg5 39. Bf6+ Kxf6 40. Kxh4 g5+ 41. Kg4 Kg6 42. b5 Kf6 43. b6 Kg6 44. b7 Kf6 45. b8=Q Kg6 46. Qd6+ Kf7 47. Kf5 Kg7 48. Qg6+ Kf8 49. Kf6 g4 50. Qf7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting