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Puzzles (3 cohencoins award for each match):

Puzzle pqU2C: 846

Puzzle YBCEe: 846

Puzzle vMLdr: 868

Puzzle etAwf: 892

Puzzle O3cJL: 225

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/ci3xqfMI"] [Date "2026.04.10"] [White "Samuel4"] [Black "Cora"] [Result "0-1"] [UTCDate "2026.04.10"] [UTCTime "20:10:09"] [WhiteElo "1249"] [BlackElo "1353"] [WhiteRatingDiff "-50"] [BlackRatingDiff "+8"] [BlackTitle "🧢"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C60"] [Opening "Ruy Lopez: NΓΌrnberg Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 f6?! { (0.59 β†’ 1.35) Inaccuracy. a6 was best. } { C60 Ruy Lopez: NΓΌrnberg Variation } (3... a6 4. Ba4) 4. Bxc6?? { (1.35 β†’ -0.20) Blunder. d4 was best. } (4. d4 exd4) 4... dxc6 5. O-O?! { (-0.28 β†’ -0.97) Inaccuracy. d4 was best. } (5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7 8. Nc3 O-O-O 9. h4 Re8 10. f3 f5 11. Kf2 fxe4) 5... Bg4?! { (-0.97 β†’ -0.37) Inaccuracy. c5 was best. } (5... c5 6. d3 Ne7 7. Be3 Nc6 8. c3 Be6 9. d4 exd4 10. cxd4 cxd4 11. Bxd4 a6 12. Nc3) 6. Nc3?! { (-0.37 β†’ -1.18) Inaccuracy. h3 was best. } (6. h3 Bh5 7. d3 Bd6 8. c3 Ne7 9. Be3 c5 10. d4 exd4 11. cxd4 cxd4 12. Qa4+ Qd7) 6... Bxf3?? { (-1.18 β†’ 0.40) Blunder. c5 was best. } (6... c5 7. h3) 7. Qxf3 Bb4?! { (0.43 β†’ 1.06) Inaccuracy. Qd7 was best. } (7... Qd7 8. d3 Ne7 9. Be3 Ng6 10. Rad1 O-O-O 11. Rb1 h5 12. b4 Qg4 13. Qxg4+ hxg4 14. b5) 8. a3?! { (1.06 β†’ 0.43) Inaccuracy. Rd1 was best. } (8. Rd1 Bd6) 8... Bxc3 9. Qxc3 Nh6?? { (0.97 β†’ 2.88) Blunder. Ne7 was best. } (9... Ne7 10. d3 Qd4 11. Qb3 b6 12. Be3 Qd7 13. Qc4 Nc8 14. f4 exf4 15. Bxf4 Nd6 16. Qa6) 10. Qe3?? { (2.88 β†’ 0.58) Blunder. Qb3 was best. } (10. Qb3 Rb8) 10... b5? { (0.58 β†’ 1.79) Mistake. Qe7 was best. } (10... Qe7) 11. Qe1 O-O 12. b3 c5?! { (1.22 β†’ 2.03) Inaccuracy. Qd4 was best. } (12... Qd4 13. Ra2 Nf7 14. d3 Qd7 15. a4 Nd8 16. Be3 Ne6 17. axb5 cxb5 18. Ra6 c5 19. Qa5) 13. c4?? { (2.03 β†’ -1.14) Blunder. d3 was best. } (13. d3 Nf7) 13... b4?? { (-1.14 β†’ 1.20) Blunder. Qd4 was best. } (13... Qd4 14. Rb1 Qd3 15. Bb2 bxc4 16. Bc3 Nf7 17. bxc4 Ng5 18. Qe3 Qxe4 19. Qxc5 Ne6 20. Qd5) 14. axb4 cxb4 15. f3?? { (1.31 β†’ -8.53) Blunder. d4 was best. } (15. d4 Qxd4 16. Bxh6 gxh6 17. Qxb4 Qxe4 18. Rfe1 Qd4 19. Qb7 Qb6 20. Qd5+ Kh8 21. Qf3 Rad8) 15... c5?? { (-8.53 β†’ 0.63) Blunder. Qd4+ was best. } (15... Qd4+ 16. Qf2 Qxa1 17. d3 Qc3 18. Bxh6 gxh6 19. Qg3+ Kh8 20. f4 a5 21. Qf2 Rfd8 22. Qh4) 16. g4?? { (0.63 β†’ -8.67) Blunder. d4 was best. } (16. d4 exd4 17. Bxh6 gxh6 18. Ra6 Qc7 19. Qh4 Qe5 20. Rfa1 Qg5 21. Qg3 Qxg3 22. hxg3 Rae8) 16... Nf7?? { (-8.67 β†’ -2.08) Blunder. Qd4+ was best. } (16... Qd4+ 17. Qf2 Qxa1 18. d4 cxd4 19. g5 fxg5 20. Qg3 Qa6 21. Kh1 Nf7 22. Bxg5 Nxg5 23. Qxg5) 17. h4?? { (-2.08 β†’ -8.47) Blunder. Qe3 was best. } (17. Qe3 Qb6) 17... a5?? { (-8.47 β†’ -2.63) Blunder. Qd4+ was best. } (17... Qd4+ 18. Qe3) 18. h5?? { (-2.63 β†’ -9.07) Blunder. Qe3 was best. } (18. Qe3 Qd6 19. d3 Nd8 20. Qe2 Ne6 21. Be3 Rfd8 22. Rfd1 Nd4 23. Bxd4 Qxd4+ 24. Kh2 Qc3) 18... g6?? { (-9.07 β†’ -2.26) Blunder. Qd4+ was best. } (18... Qd4+ 19. Qf2 Qxa1 20. Qxc5 Qa2 21. d4 Rfc8 22. Qd5 Rd8 23. dxe5 Rxd5 24. cxd5 fxe5 25. g5) 19. hxg6?! { (-2.26 β†’ -3.10) Inaccuracy. Qf2 was best. } (19. Qf2 Qd6) 19... hxg6 20. Bb2? { (-2.84 β†’ -4.67) Mistake. Qf2 was best. } (20. Qf2 Qd6) 20... Nd6?? { (-4.67 β†’ -0.14) Blunder. Qd3 was best. } (20... Qd3) 21. Kf2?? { (-0.14 β†’ -3.29) Blunder. g5 was best. } (21. g5 a4 22. gxf6 Qxf6 23. f4 axb3 24. Rxa8 Rxa8 25. Bxe5 Qe6 26. Qh4 Nf7 27. Bb2 Ra2) 21... Qd7? { (-3.29 β†’ -1.73) Mistake. a4 was best. } (21... a4) 22. Rh1 a4 23. bxa4? { (-2.05 β†’ -4.00) Mistake. Rxa4 was best. } (23. Rxa4 Rxa4 24. bxa4 Nxc4 25. Bc1 Qd3 26. Qe2 Qxe2+ 27. Kxe2 Ra8 28. d3 Nb6 29. g5 Nxa4) 23... Rxa4?? { (-4.00 β†’ -0.83) Blunder. Nxc4 was best. } (23... Nxc4 24. Bc1) 24. Rxa4 Qxa4 25. g5?? { (-1.03 β†’ -3.46) Blunder. Qe3 was best. } (25. Qe3 Qa7) 25... f5?? { (-3.46 β†’ 3.78) Blunder. Qc2 was best. } (25... Qc2 26. Ke2) 26. exf5?? { (3.78 β†’ 0.13) Blunder. Bxe5 was best. } (26. Bxe5 Nf7 27. Bf6 Re8 28. e5 Qd7 29. Qe3 b3 30. Ke2 Qc6 31. Qxb3 Nxe5 32. Rh8+ Kf7) 26... gxf5?? { (0.13 β†’ Mate in 6) Checkmate is now unavoidable. Rxf5 was best. } (26... Rxf5 27. Bxe5 Qc6 28. Rh8+ Kf7 29. f4 Nxc4 30. Rh7+ Kg8 31. Rg7+ Kf8 32. Rc7 Nxe5 33. Qxe5) 27. Bxe5?! { (Mate in 6 β†’ 10.08) Lost forced checkmate sequence. Qxe5 was best. } (27. Qxe5 Ne4+ 28. fxe4 fxe4+ 29. Ke1 Qa1+ 30. Bxa1 Rf1+ 31. Rxf1 b3 32. Qg7#) 27... Nxc4?! { (10.08 β†’ Mate in 4) Checkmate is now unavoidable. Ne4+ was best. } (27... Ne4+ 28. fxe4) 28. f4? { (Mate in 4 β†’ 9.04) Lost forced checkmate sequence. g6 was best. } (28. g6 Nxe5 29. Qxe5 Rf6 30. Qxf6 Qd7 31. Rh8#) 28... Nxe5? { (9.04 β†’ Mate in 6) Checkmate is now unavoidable. Qc6 was best. } (28... Qc6 29. Rh8+) 29. Qxe5 Qd7 30. Qxc5?? { (Mate in 3 β†’ -0.95) Lost forced checkmate sequence. Rh8+ was best. } (30. Rh8+ Kf7 31. Qf6+ Ke8 32. Rxf8#) 30... Qxd2+ 31. Kf1?? { (-0.70 β†’ -6.83) Blunder. Kf3 was best. } (31. Kf3 Qd3+) 31... Qxf4+ 32. Ke2 Re8+ 33. Kd3 Qe4+ 34. Kd2 Qxh1 35. Qc4+ Kg7 36. Qd4+ Kg6?? { (-9.38 β†’ 0.00) Blunder. Kg8 was best. } (36... Kg8 37. Qc4+ Kf8 38. Qc5+ Re7 39. Qxf5+ Rf7 40. Qc5+ Kg8 41. Kc2 b3+ 42. Kb2 Qe4 43. Ka3) 37. Qf6+ Kh5?? { (0.00 β†’ 1.85) Blunder. Kh7 was best. } (37... Kh7 38. Qf7+ Kh8 39. Qxe8+ Kg7 40. Qe7+ Kg8 41. Qe6+ Kg7) 38. Qf7+?? { (1.85 β†’ -6.89) Blunder. Qh6+ was best. } (38. Qh6+ Kg4) 38... Kxg5 39. Qxe8 Qe4 40. Qg8+ Kf4 41. Qg2?? { (-6.47 β†’ Mate in 6) Checkmate is now unavoidable. Qh7 was best. } (41. Qh7 Kg3 42. Qg8+ Qg4 43. Qd8 Qf4+ 44. Kc2 Qc4+ 45. Kb2 f4 46. Qg5+ Kf2 47. Qh4+ Ke3) 41... Qxg2+ 42. Kd3 b3 43. Kc3 b2 44. Kd3 b1=Q+ 45. Kc3 Qbe4 46. Kb3 Qgf3+ 47. Kb2 Qee2+ 48. Kc1 Qff1# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting