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Puzzles (3 cohencoins award for each match):

Puzzle kvQyq: 617

FEN
[Event "April Megatournament"] [Site "https://cohenchessclub.com/I5oBHbbr"] [Date "2026.04.26"] [White "Matthew12"] [Black "Maxim"] [Result "0-1"] [UTCDate "2026.04.26"] [UTCTime "19:19:00"] [WhiteElo "1453"] [BlackElo "1741"] [WhiteRatingDiff "-38"] [BlackRatingDiff "+4"] [WhiteTitle "NM⍩"] [BlackTitle "GM🧂"] [Variant "Standard"] [TimeControl "600+1"] [ECO "C45"] [Opening "Scotch Game"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 { C45 Scotch Game } Qe7?? { (0.09 → 2.07) Blunder. Nf6 was best. } (4... Nf6) 5. Bb5?? { (2.07 → -1.33) Blunder. Nc3 was best. } (5. Nc3 Nf6) 5... Nxd4?? { (-1.33 → 0.44) Blunder. Qxe4+ was best. } (5... Qxe4+ 6. Ne2 Bd6 7. Be3 Qxg2 8. Rg1 Qxh2 9. Nbc3 a6 10. Bc4 b5 11. Bd5 Bb7 12. Rg2) 6. Qxd4 a6 7. Bc4 d6? { (0.62 → 2.04) Mistake. b5 was best. } (7... b5) 8. Nc3 Nf6?! { (1.71 → 2.32) Inaccuracy. Qe5 was best. } (8... Qe5 9. Qd3 Nf6 10. Be3 Be6 11. O-O-O Bxc4 12. Qxc4 c6 13. f4 Qe6 14. Qd3 Be7 15. h3) 9. Bg5 Be6?! { (1.84 → 2.52) Inaccuracy. Qe5 was best. } (9... Qe5 10. Qxe5+) 10. Nd5?? { (2.52 → 0.67) Blunder. O-O-O was best. } (10. O-O-O) 10... Bxd5 11. Bxd5 c6 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. Bc4 O-O-O?? { (0.57 → 2.79) Blunder. Bg7 was best. } (14... Bg7 15. c3 f5 16. exf5 b5 17. Be2 b4 18. O-O-O bxc3 19. bxc3 d5 20. Kc2 O-O 21. Rb1) 15. O-O-O?? { (2.79 → 0.60) Blunder. Bxf7 was best. } (15. Bxf7 Kc7) 15... Rd7 16. Rhe1 Bh6+ 17. Kb1 Rg8?! { (0.62 → 1.19) Inaccuracy. Re8 was best. } (17... Re8) 18. g3 Rg4?? { (1.12 → 6.98) Blunder. Kc7 was best. } (18... Kc7 19. Bf1 Bf8 20. Bh3 Re7 21. Bf5 h5 22. h4 Re5 23. f4 Re8 24. Rg1 d5 25. exd5) 19. h3?? { (6.98 → 1.80) Blunder. Bf1 was best. } (19. Bf1 f5) 19... Rg5 20. h4?! { (2.12 → 1.25) Inaccuracy. h4 was best. } (20. h4) 20... Rc5 21. Bb3 Kc7 22. f4 Re7 23. Rd4?! { (0.79 → 0.00) Inaccuracy. c3 was best. } (23. c3 Bf8) 23... d5? { (0.00 → 1.07) Mistake. f5 was best. } (23... f5 24. Red1 fxe4 25. Rxd6 Bg7 26. c3 Rh5 27. Kc1 a5 28. a4 Rh6 29. Rxh6 Bxh6 30. Kd2) 24. c4?! { (1.07 → 0.48) Inaccuracy. c3 was best. } (24. c3 a5 25. Bc2 Bf8 26. Red1 Rc4 27. exd5 Rxd4 28. cxd4 Re3 29. dxc6 Kxc6 30. Rd3 Rxd3) 24... dxc4? { (0.48 → 1.99) Mistake. dxe4 was best. } (24... dxe4 25. Rdxe4 Rxe4 26. Rxe4 Kd8 27. Bc2 f5 28. Re2 a5 29. Bd3 a4 30. h5 Bf8 31. h6) 25. Bxc4 f5?? { (1.77 → 6.24) Blunder. b5 was best. } (25... b5 26. Bb3) 26. Bd3?? { (6.24 → 1.22) Blunder. b4 was best. } (26. b4) 26... fxe4 27. Bxe4?? { (1.46 → -5.48) Blunder. Rexe4 was best. } (27. Rexe4 Rxe4 28. Rxe4 Rd5 29. Kc2 Bf8 30. Re8 Rd8 31. Re5 Bd6 32. Rg5 h6 33. Rg7 Bc5) 27... f5 28. b4 Rc3 29. Kb2 Rxg3 30. Kc2 fxe4 31. Rexe4 Rg2+ 32. Kd3 Rg3+ 33. Kc4? { (-7.20 → Mate in 4) Checkmate is now unavoidable. Ke2 was best. } (33. Ke2 Rxe4+ 34. Rxe4 Rg7 35. f5 Rf7 36. a4 Bf8 37. f6 Rxf6 38. b5 axb5 39. axb5 cxb5) 33... b5+ 34. Kc5 Rxe4?! { (Mate in 3 → -55.19) Lost forced checkmate sequence. Rc3+ was best. } (34... Rc3+ 35. Rc4 Rxe4 36. Rxc3 Bf8#) 35. Rxe4 Rc3+ 36. Kd4 Rc4+ 37. Ke3 Rxe4+ 38. Kxe4 Kd6 39. f5 Ke7 40. Ke5 Bg7+ 41. Kf4 Bf6 42. Ke4 Kd6 43. Kf4 h5 44. Ke4 c5 45. Kf4 c4 46. Ke4 c3 47. Ke3 Ke5 { Black wins on time. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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