Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/k7fk7ywF"]
[Date "2026.03.11"]
[White "Wesley"]
[Black "Maria"]
[Result "0-1"]
[UTCDate "2026.03.11"]
[UTCTime "20:03:45"]
[WhiteElo "1556"]
[BlackElo "1235"]
[WhiteRatingDiff "-18"]
[BlackRatingDiff "+17"]
[WhiteTitle "GM⚜"]
[BlackTitle "❦"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "A04"]
[Opening "Zukertort Opening: Ross Gambit"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. Nf3 e5? { (0.47 → 1.72) Mistake. d5 was best. } { A04 Zukertort Opening: Ross Gambit } (1... d5 2. d4) 2. d3?? { (1.72 → 0.02) Blunder. Nxe5 was best. } (2. Nxe5 d5) 2... Nf6? { (0.02 → 1.15) Mistake. Nc6 was best. } (2... Nc6 3. c4 Nge7 4. e4 g6 5. h4 h5 6. Bg5 Bg7 7. Nc3 f6 8. Be3 d6 9. Be2) 3. g3? { (1.15 → -0.06) Mistake. Nxe5 was best. } (3. Nxe5 d5 4. g3 c5 5. Bg2 Bd6 6. Nf3 O-O 7. O-O Nc6 8. Nc3 Re8 9. e3 d4) 3... Bb4+? { (-0.06 → 0.98) Mistake. Nc6 was best. } (3... Nc6) 4. Bd2?! { (0.98 → 0.04) Inaccuracy. c3 was best. } (4. c3) 4... Nc6?? { (0.04 → 1.98) Blunder. Bxd2+ was best. } (4... Bxd2+ 5. Qxd2 d6 6. c4 c6 7. Bg2 O-O 8. O-O Re8 9. e4 d5 10. exd5 cxd5 11. cxd5) 5. Bg2?? { (1.98 → -0.11) Blunder. Bxb4 was best. } (5. Bxb4 Nxb4) 5... Bxd2+ 6. Nfxd2 Nb4?! { (-0.26 → 0.44) Inaccuracy. h5 was best. } (6... h5 7. c4 h4 8. Nc3 d6 9. Bxc6+ bxc6 10. Qa4 Bd7 11. O-O-O a5 12. Rdf1 O-O 13. f4) 7. O-O Ng4 8. Nc3 Qf6?! { (0.81 → 1.59) Inaccuracy. d6 was best. } (8... d6 9. h3) 9. Nde4 Qb6? { (1.23 → 2.88) Mistake. Qd8 was best. } (9... Qd8 10. h3 Nh6 11. Nc5 Nc6 12. b4 Rb8 13. b5 Ne7 14. d4 d6 15. Nb3 f6 16. a4) 10. e3? { (2.88 → 1.55) Mistake. a3 was best. } (10. a3 Na6 11. b4 f5 12. h3 fxe4 13. hxg4 h5 14. Qd2 hxg4 15. Bxe4 Qh6 16. Qxh6 Rxh6) 10... Nxf2?? { (1.55 → 8.83) Blunder. d5 was best. } (10... d5 11. a3 dxe4 12. axb4 Qxb4 13. Ra4 Qe7 14. Nxe4 f5 15. Nd2 a6 16. Qa1 Rb8 17. b3) 11. Kxf2 d5 12. Ng5?! { (7.37 → 4.51) Inaccuracy. a3 was best. } (12. a3 dxe4) 12... f5? { (4.51 → 8.37) Mistake. d4 was best. } (12... d4 13. a3) 13. Nxd5 Nxd5 14. Bxd5 f4 15. gxf4 exf4 16. Ke2?? { (9.12 → Mate in 1) Checkmate is now unavoidable. Qf3 was best. } (16. Qf3 Qxe3+ 17. Qxe3+ fxe3+ 18. Kxe3 Bd7 19. Nf7 Rf8 20. Rae1 Bh3 21. Rf3 Kd7 22. Rxh3 Rae8+) 16... fxe3?? { (Mate in 1 → 8.19) Lost forced checkmate sequence. Qxe3# was best. } (16... Qxe3#) 17. Bf7+ Ke7 18. d4?? { (6.98 → -1.14) Blunder. Rf4 was best. } (18. Rf4) 18... Qb5+?? { (-1.14 → 0.83) Blunder. Bg4+ was best. } (18... Bg4+ 19. Nf3 Rad8 20. h3 Rxd4 21. Qxd4 Qxd4 22. hxg4 Qb4 23. Bb3 Rf8 24. Rad1 Qxg4 25. Kxe3) 19. c4?? { (0.83 → -2.11) Blunder. Qd3 was best. } (19. Qd3 Qxg5) 19... Qxg5 20. Qa4?? { (-2.76 → -6.12) Blunder. Bd5 was best. } (20. Bd5 Bg4+) 20... Qg2+?? { (-6.12 → -0.17) Blunder. Bg4+ was best. } (20... Bg4+ 21. Kd3) 21. Kxe3 Qh3+?? { (-0.06 → 2.03) Blunder. Qg5+ was best. } (21... Qg5+ 22. Rf4 Bh3 23. Qb5 Qxb5 24. cxb5 Raf8 25. Rc1 Kd8 26. Rc5 h6 27. Rd5+ Kc8 28. Re5) 22. Ke2?? { (2.03 → -1.37) Blunder. Rf3 was best. } (22. Rf3 Qh6+) 22... Rf8?? { (-1.37 → 10.20) Blunder. Bf5 was best. } (22... Bf5 23. Qa3+ Qxa3 24. bxa3 g6 25. Bd5 Rad8 26. Rf4 Kf6 27. Raf1 c6 28. Bg2 Rhe8+ 29. Kd2) 23. Qb4+ Kd7 24. Qxf8 Qxh2+ 25. Ke1 Qxb2? { (8.90 → Mate in 2) Checkmate is now unavoidable. Qh4+ was best. } (25... Qh4+) 26. Be6+ Kxe6 27. Qf7+ Kd6 28. c5+? { (Mate in 4 → 8.74) Lost forced checkmate sequence. Qf8+ was best. } (28. Qf8+ Kc6 29. Qc5+ Kd7 30. Rf7+ Ke8 31. Qe7#) 28... Kc6 29. d5+?? { (8.53 → -4.63) Blunder. Qf3+ was best. } (29. Qf3+ Kb5 30. Qd3+ Ka5 31. Rb1 Qxb1+ 32. Qxb1 Bd7 33. Kd2 Re8 34. Rf3 Re2+ 35. Kd1 Rxa2) 29... Kxc5?? { (-4.63 → 4.71) Blunder. Kb5 was best. } (29... Kb5 30. Rd1 Bg4 31. Rf3 Bxf3 32. Qxf3 Re8+ 33. Kf1 Kxc5 34. d6 Qf6 35. Qxf6 gxf6 36. dxc7) 30. Qxc7+ Kxd5?? { (4.54 → Mate in 7) Checkmate is now unavoidable. Kb5 was best. } (30... Kb5) 31. Rf5+?? { (Mate in 7 → -7.62) Lost forced checkmate sequence. Rd1+ was best. } (31. Rd1+ Qd4 32. Rxd4+ Kxd4 33. Qd6+ Kc3 34. Rf4 Kb2 35. Qd2+ Ka3 36. Rb4 Be6 37. Qb2#) 31... Ke4?? { (-7.62 → Mate in 4) Checkmate is now unavoidable. Bxf5 was best. } (31... Bxf5) 32. Qf4+ Kd3 33. Rd5+ Kc2 34. Qc4+ Qc3+ 35. Qxc3+?? { (Mate in 1 → 1.12) Lost forced checkmate sequence. Rd2# was best. } (35. Rd2#) 35... Kxc3 36. Rc1+ Kb2 37. Rdc5? { (1.18 → -0.12) Mistake. Rc7 was best. } (37. Rc7 Bg4) 37... Bf5 38. Kd1?! { (0.10 → -0.59) Inaccuracy. R1c4 was best. } (38. R1c4 g6 39. Rb5+ Ka1 40. a4 a5 41. Kf2 Ka2 42. Rxb7 h5 43. Rb6 Ka3 44. Rc1 Ka2) 38... Rd8+ 39. Ke2 Bd3+?! { (-1.00 → -0.34) Inaccuracy. g6 was best. } (39... g6 40. a4 Rd4 41. Rh1 b6 42. Rb5+ Kc2 43. Rxh7 Re4+ 44. Kf3 Rxa4 45. Ke3 Ra3+ 46. Kf2) 40. Kd2?? { (-0.34 → -8.42) Blunder. Ke3 was best. } (40. Ke3) 40... g5?? { (-8.42 → -0.37) Blunder. Bc2+ was best. } (40... Bc2+) 41. Rb5+?? { (-0.37 → -69.23) Blunder. Rg1 was best. } (41. Rg1 Bc2+ 42. Ke2 a6 43. Rgxg5 Rd6 44. Rg2 b5 45. Ke3 Rd3+ 46. Kf4 Rc3 47. Rxc3 Kxc3) 41... Bxb5+ 42. Ke1 g4 43. Rc5 Rf8 44. Rxb5+ Kc3 45. Rxb7 g3?? { (-6.36 → -0.95) Blunder. h5 was best. } (45... h5) 46. Rxh7?? { (-0.95 → -8.83) Blunder. Rb3+ was best. } (46. Rb3+ Kd4) 46... g2 47. Rg7 Rf1+ 48. Ke2 g1=Q 49. Rxg1 Rxg1 50. a4 Rg2+ 51. Kf3 Rg5 52. Ke4 Ra5 53. Kf4 Rxa4+ 54. Ke5 a5 55. Kd5 Rc4 56. Kd6 a4 57. Kd7 a3 58. Kd6 a2 59. Kd5 a1=Q 60. Kd6 Qa6+ 61. Kd5 Qb5+ 62. Kd6 Qc5+ 63. Kd7 Qc6+ 64. Ke7 Re4+ 65. Kd8 Qe8+ 66. Kc7 Qe7+ 67. Kc6 Qe6+ 68. Kc5 Rd4 69. Kb5 Qd5+ 70. Kb6 Rc4 71. Ka6 Qc5 72. Kb7 Rb4+ 73. Ka6 Qb5+ 74. Ka7 Qb6+ 75. Ka8 Qb7# { Black wins by checkmate. } 0-1