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Puzzles (3 cohencoins award for each match):

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/LRJU5PBH"] [Date "2026.05.17"] [White "Matthew12"] [Black "Zayn1"] [Result "1-0"] [UTCDate "2026.05.17"] [UTCTime "17:27:31"] [WhiteElo "1407"] [BlackElo "1563"] [WhiteRatingDiff "+27"] [BlackRatingDiff "-16"] [WhiteTitle "NM⍩"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C47"] [Opening "Four Knights Game: Scotch Variation Accepted"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. d4 Nf6? { (0.38 → 1.54) Mistake. exd4 was best. } (3... exd4 4. Nxd4) 4. Nc3? { (1.54 → 0.11) Mistake. dxe5 was best. } (4. dxe5 Nxe4 5. Qd5 Nc5 6. Bc4 Ne6 7. O-O Be7 8. Nc3 d6 9. exd6 Qxd6 10. Qe4 Nc5) 4... exd4 { C47 Four Knights Game: Scotch Variation Accepted } 5. Nxd4 Nxd4? { (0.11 → 1.48) Mistake. Bb4 was best. } (5... Bb4 6. Nxc6) 6. Qxd4 Ng8?? { (1.41 → 3.55) Blunder. d6 was best. } (6... d6) 7. Bc4?! { (3.55 → 2.80) Inaccuracy. Bf4 was best. } (7. Bf4 Ne7) 7... Qf6? { (2.80 → 5.17) Mistake. d6 was best. } (7... d6 8. Bd2) 8. Qxf6?? { (5.17 → 2.14) Blunder. e5 was best. } (8. e5 Qb6 9. Qf4 Qg6 10. O-O d6 11. Bd3 Qg4 12. Nb5 Qxf4 13. Bxf4 Kd7 14. exd6 Bxd6) 8... Nxf6 9. O-O?! { (2.31 → 1.43) Inaccuracy. e5 was best. } (9. e5 Ng4 10. Bf4 Bb4 11. f3 Nh6 12. h4 b6 13. g4 Bxc3+ 14. bxc3 Bb7 15. Kf2 Ng8) 9... Bc5? { (1.43 → 3.19) Mistake. c6 was best. } (9... c6 10. Re1 d6 11. e5 dxe5 12. Rxe5+ Be7 13. Bg5 Kf8 14. Rae1 Bd6 15. Bxf6 gxf6 16. Re8+) 10. Be3?? { (3.19 → -0.23) Blunder. e5 was best. } (10. e5 Ng4 11. Bf4 O-O 12. h3 Nh6 13. Ne4 Be7 14. g4 Kh8 15. Rad1 Ng8 16. Rfe1 b6) 10... Bxe3 11. fxe3 d6 12. Rad1 Be6 13. Bxe6 fxe6 14. Rf4?! { (-0.51 → -1.18) Inaccuracy. Nb5 was best. } (14. Nb5) 14... O-O-O 15. Nb5 d5?? { (-1.62 → 0.37) Blunder. a6 was best. } (15... a6) 16. exd5?? { (0.37 → -1.18) Blunder. Nxa7+ was best. } (16. Nxa7+) 16... Nxd5? { (-1.18 → -0.12) Mistake. c6 was best. } (16... c6 17. Nc3) 17. Rfd4 c6 18. Nxa7+?? { (-0.38 → -2.42) Blunder. e4 was best. } (18. e4 Ne3) 18... Kb8?? { (-2.42 → 2.00) Blunder. Kc7 was best. } (18... Kc7 19. R1d3) 19. Ra4?? { (2.00 → -4.94) Blunder. Nxc6+ was best. } (19. Nxc6+ bxc6 20. e4 Rde8 21. exd5 exd5 22. c4 dxc4 23. Rxc4 Re2 24. Rxc6 Rxb2 25. a4 g6) 19... b5?? { (-4.94 → 6.69) Blunder. Nxe3 was best. } (19... Nxe3 20. Rxd8+ Rxd8 21. Nxc6+ bxc6 22. Re4 Nxc2 23. Rxe6 Kc7 24. Re7+ Rd7 25. Rxd7+ Kxd7 26. Kf1) 20. Nxc6+ Kc7 21. Nxd8 bxa4 22. Nxe6+ Kd6 23. Nxg7?! { (8.50 → 5.59) Inaccuracy. Nf4 was best. } (23. Nf4 Rc8) 23... Rg8?! { (5.59 → 7.95) Inaccuracy. Ke5 was best. } (23... Ke5 24. Nf5 Rb8 25. e4 Nb4 26. Rd2 Nxa2 27. Nd6 Kf4 28. g3+ Ke3 29. Nc4+ Kxe4 30. Kf2) 24. Nf5+ Ke5 25. Ne7?? { (8.85 → -0.11) Blunder. Rxd5+ was best. } (25. Rxd5+) 25... Nxe7 26. b3 axb3 27. cxb3 Nd5 28. a4 Nxe3 29. Re1 Rxg2+?? { (-0.29 → 3.23) Blunder. Kd4 was best. } (29... Kd4 30. g3 Rb8 31. Rb1 Nc2 32. Rd1+ Ke4 33. Rb1 Kd3 34. a5 Kc3 35. Rf1 Rb7 36. Rf3+) 30. Kh1 Ke4?? { (3.32 → 9.56) Blunder. Rb2 was best. } (30... Rb2 31. Rxe3+) 31. Rg1?? { (9.56 → -3.06) Blunder. Rxe3+ was best. } (31. Rxe3+) 31... Kf3?? { (-3.06 → 0.00) Blunder. Ra2 was best. } (31... Ra2 32. Rb1 Ng4 33. Re1+ Kf4 34. Rf1+ Kg5 35. Kg1 h5 36. h3 Ne5 37. Rf2 Ra3 38. Kh2) 32. a5?? { (0.00 → -2.83) Blunder. Rxg2 was best. } (32. Rxg2 Nxg2 33. a5 Ne3 34. a6 Nd5 35. a7 Nb6 36. Kg1 Na8 37. Kf1 Nc7 38. Ke1 Ke3) 32... Ng4?? { (-2.83 → 10.38) Blunder. Rb2 was best. } (32... Rb2 33. Ra1 Kf2 34. b4 Nc2 35. Rc1 Nxb4 36. Rg1 Nc2 37. Rg2+ Kf3 38. a6 Ra2 39. Rg3+) 33. Rxg2 Nf2+ 34. Kg1 Nh3+ 35. Kf1 Ng5 36. Rxg5 { Black resigns. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting