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Puzzles (3 cohencoins award for each match):

Puzzle qm48F: 846

FEN
[Event "May Megatournament"] [Site "https://cohenchessclub.com/foepaGKy"] [Date "2026.05.10"] [White "Matthew12"] [Black "Maxim"] [Result "0-1"] [UTCDate "2026.05.10"] [UTCTime "19:53:26"] [WhiteElo "1426"] [BlackElo "1695"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+3"] [WhiteTitle "NM⍩"] [BlackTitle "GM🧂"] [Variant "Standard"] [TimeControl "600+1"] [ECO "C45"] [Opening "Scotch Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 { C45 Scotch Game } Nxd4?! { (0.09 → 0.99) Inaccuracy. Nf6 was best. } (4... Nf6) 5. Qxd4 d6?! { (0.81 → 1.44) Inaccuracy. Qf6 was best. } (5... Qf6 6. Qe3 Bb4+ 7. c3 Ba5 8. Qg3 d6 9. Bd3 Ne7 10. Bg5 Qg6 11. Nd2 Bb6 12. a4) 6. Nc3 Nf6 7. Bg5?! { (1.54 → 0.92) Inaccuracy. Bf4 was best. } (7. Bf4 Be7) 7... Be7 8. Bc4 O-O 9. O-O?! { (1.33 → 0.46) Inaccuracy. O-O-O was best. } (9. O-O-O) 9... h6 10. Bh4 Bd7?! { (0.30 → 1.21) Inaccuracy. c6 was best. } (10... c6) 11. Rfe1?! { (1.21 → 0.69) Inaccuracy. Rad1 was best. } (11. Rad1) 11... Bc6 12. Bd5?? { (0.97 → -0.69) Blunder. Rad1 was best. } (12. Rad1) 12... Bxd5?! { (-0.69 → -0.16) Inaccuracy. Nxd5 was best. } (12... Nxd5 13. exd5) 13. exd5 Re8?! { (-0.23 → 0.31) Inaccuracy. Nxd5 was best. } (13... Nxd5 14. Nxd5) 14. Rad1 a6 15. Re3 Qd7 16. Rg3?! { (0.18 → -0.43) Inaccuracy. Rde1 was best. } (16. Rde1 g5 17. Bg3 Ng4 18. R3e2 Bf6 19. Qb4 b5 20. h3 Rxe2 21. Nxe2 Ne5 22. Bxe5 Bxe5) 16... Qf5 17. Rf3? { (-0.60 → -1.95) Mistake. Re3 was best. } (17. Re3 Qxc2) 17... Qxc2 18. Rd2?! { (-2.02 → -3.20) Inaccuracy. h3 was best. } (18. h3 Nd7) 18... Qc1+?! { (-3.20 → -1.96) Inaccuracy. Bd8 was best. } (18... Bd8 19. h3 Re1+ 20. Kh2 Qc1 21. Rd1 Rxd1 22. Nxd1 Qc5 23. Bxf6 Bxf6 24. Qe4 Qd4 25. Qxd4) 19. Nd1?? { (-1.96 → -8.48) Blunder. Rd1 was best. } (19. Rd1 Qxb2 20. h3 Nh5 21. Rb1 Qc2 22. Bxe7 Rxe7 23. Qh4 Nf6 24. Rxb7 Rae8 25. Kh2 Re1) 19... Qc5?? { (-8.48 → -3.70) Blunder. Ne4 was best. } (19... Ne4 20. Re2 Bxh4 21. Qa4 Bg5 22. h4 b5 23. Qc2 Qxc2 24. Rxc2 Bxh4 25. Ne3 Bxf2+ 26. Rcxf2) 20. Rg3? { (-3.70 → -6.76) Mistake. Bg3 was best. } (20. Bg3 Ne4) 20... Qxd4 21. Rxd4 Bd8?? { (-6.84 → -2.50) Blunder. Nxd5 was best. } (21... Nxd5 22. Kf1) 22. h3?? { (-2.50 → -6.00) Blunder. Re3 was best. } (22. Re3) 22... Kh7?? { (-6.00 → -2.50) Blunder. g5 was best. } (22... g5) 23. Ne3?? { (-2.50 → -5.08) Blunder. Re3 was best. } (23. Re3 g5 24. Bg3 Rxe3 25. Nxe3 Nd7 26. Bh2 Kg6 27. g4 a5 28. Kf1 a4 29. Rb4 Nb6) 23... g5 24. Bxg5 hxg5 25. Rxg5 Ne4 26. Rh5+?! { (-3.91 → -6.07) Inaccuracy. Rg4 was best. } (26. Rg4 Nf6 27. Rgf4 Kg8 28. h4 Nd7 29. Rf5 Ne5 30. Re4 Kf8 31. Ref4 b5 32. g4 Ng6) 26... Kg8?! { (-6.07 → -4.11) Inaccuracy. Kg6 was best. } (26... Kg6 27. g4) 27. Rg5+? { (-4.11 → -10.61) Mistake. Nf5 was best. } (27. Nf5 Re5 28. Nh6+ Kh7 29. Nf5+ Kg6 30. g4 Bg5 31. h4 Bf4 32. Kg2 Nf6 33. Rxf4 Nxh5) 27... Nxg5 28. Nf5 Kh7 29. Rh4+ Kg6 30. g4 Nf3+ 31. Kg2 Nxh4+ { White resigns. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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