Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/ja6miRP6"]
[Date "2026.06.26"]
[White "Abigail1"]
[Black "Eitan1"]
[Result "0-1"]
[UTCDate "2026.06.26"]
[UTCTime "23:20:50"]
[WhiteElo "1015"]
[BlackElo "1191"]
[WhiteRatingDiff "-5"]
[BlackRatingDiff "+5"]
[WhiteTitle "IM🪰"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "A00"]
[Opening "Van't Kruijs Opening"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e3 { A00 Van't Kruijs Opening } d5 2. Bd3? { (0.06 → -1.00) Mistake. d4 was best. } (2. d4 Nf6) 2... e5 3. Nf3?? { (-1.00 → -7.09) Blunder. Be2 was best. } (3. Be2 e4 4. d4 c6 5. c4 Bd6 6. Nc3 Nf6 7. Bd2 O-O 8. a3 dxc4 9. Bxc4 Nbd7) 3... e4 4. O-O exd3 5. cxd3 Bg4 6. h3 Bxf3 7. gxf3 Qe7 8. e4 Qe5 9. Re1 Bd6?? { (-8.74 → 2.61) Blunder. d4 was best. } (9... d4 10. Qb3) 10. exd5 Qxe1+ 11. Qxe1+ Kd7?? { (2.38 → 5.17) Blunder. Ne7 was best. } (11... Ne7 12. d4) 12. Nc3 Na6 13. Nb5? { (5.00 → 3.08) Mistake. Qd1 was best. } (13. Qd1) 13... Re8?! { (3.08 → 4.54) Inaccuracy. Nf6 was best. } (13... Nf6 14. b4 Nxb4 15. Nxd6 Kxd6 16. Ba3 a5 17. d4 Kd7 18. Bxb4 axb4 19. Qb1 Rhe8 20. Qxb4) 14. Qd1 Nf6 15. Nxa7?? { (4.72 → 1.48) Blunder. Nxd6 was best. } (15. Nxd6 cxd6 16. Qa4+ Kc8 17. b4 Nxd5 18. Ba3 Nac7 19. b5 Re6 20. Qxa7 Rhe8 21. b6 Re1+) 15... Re7?? { (1.48 → 4.31) Blunder. Nxd5 was best. } (15... Nxd5 16. b4) 16. a3?? { (4.31 → 0.50) Blunder. Qa4+ was best. } (16. Qa4+) 16... Rhe8? { (0.50 → 1.84) Mistake. Nxd5 was best. } (16... Nxd5) 17. Qc2?? { (1.84 → -7.96) Blunder. Qa4+ was best. } (17. Qa4+ Kd8 18. Nb5 Nc5 19. Qc4 Re1+ 20. Kg2 R8e5 21. f4 Rxd5 22. Nxd6 cxd6 23. d4 Ne6) 17... Re1+ 18. Kg2 c6?? { (-7.68 → 6.04) Blunder. Nxd5 was best. } (18... Nxd5 19. Nb5 R8e2 20. Nxd6 Ne3+ 21. dxe3 Rxc2 22. Nxf7 Nc5 23. Ne5+ Kc8 24. b4 Nb3 25. Rb1) 19. f4?? { (6.04 → -6.46) Blunder. dxc6+ was best. } (19. dxc6+) 19... cxd5?? { (-6.46 → 3.02) Blunder. Nxd5 was best. } (19... Nxd5) 20. b3?? { (3.02 → 0.17) Blunder. Qa4+ was best. } (20. Qa4+) 20... Ra8?? { (0.17 → 2.59) Blunder. Nh5 was best. } (20... Nh5 21. Bb2) 21. Bb2?? { (2.59 → 0.46) Blunder. Nb5 was best. } (21. Nb5 Rc8 22. Qxc8+ Kxc8 23. Nxd6+ Kc7 24. Nxf7 Re7 25. Ne5 Nh5 26. d4 Nxf4+ 27. Kh2 Nb8) 21... Rxa1 22. Bxa1 Rxa7 23. b4? { (0.62 → -0.44) Mistake. Bxf6 was best. } (23. Bxf6 gxf6) 23... Ra8?! { (-0.44 → 0.17) Inaccuracy. Nc7 was best. } (23... Nc7 24. Bxf6 gxf6 25. Qc3 Ke7 26. f5 Ra8 27. d4 Kd7 28. Qf3 b5 29. Qh5 Ke7 30. Qxh7) 24. a4?? { (0.17 → -2.91) Blunder. Bxf6 was best. } (24. Bxf6 gxf6) 24... Nxb4 25. Qb2?! { (-3.24 → -4.67) Inaccuracy. Qb1 was best. } (25. Qb1 Ne8) 25... Ke7?? { (-4.67 → -1.83) Blunder. Rxa4 was best. } (25... Rxa4 26. h4) 26. Qc3?? { (-1.83 → -4.06) Blunder. Qb3 was best. } (26. Qb3 b5) 26... Na2?? { (-4.06 → 0.53) Blunder. Rxa4 was best. } (26... Rxa4 27. Qd4 Kd7 28. Bc3 Kc6 29. Qe3 Nc2 30. Qg3 Rxf4 31. Qxg7 d4 32. Ba5 Ne1+ 33. Kf1) 27. Bb2?? { (0.53 → -13.32) Blunder. Qb3 was best. } (27. Qb3 Nb4 28. Be5 Na6 29. Qxb7+ Nc7 30. Qb6 Bxe5 31. fxe5 Nfe8 32. Qb4+ Kd7 33. f4 g6) 27... Nxc3 28. Bxc3 Bxf4 29. Bb4+ Kd7 30. a5 Ne8 31. Kf3 Bg5 32. d4 Nd6 33. d3 Re8 34. Kg4 h6 35. h4 Bf6 36. h5 Nb5 37. Bc5 Re2 38. a6 bxa6 39. Kf5 Rxf2+ 40. Kg4 Rg2+ 41. Kf4 Nc3 42. Kf3 Rg5 43. Kf2 Rxh5 44. Kf1 Nb5 45. Kf2 Nxd4 46. Ke3 Nc6 47. Kf4?! { (-21.50 → Mate in 14) Checkmate is now unavoidable. Bf8 was best. } (47. Bf8 Rh3+) 47... g5+?! { (Mate in 14 → -22.05) Lost forced checkmate sequence. Rh3 was best. } (47... Rh3 48. Bf2 Rxd3 49. Be3 Bg5+ 50. Kf3 Rxe3+ 51. Kf2 a5 52. Kf1 a4 53. Kg1 a3 54. Kf1) 48. Kg4 Rh1 49. Kg3 h5 50. Kf3 h4 51. Ke2 g4 52. Kd2 g3 53. Ke2 g2 54. Ke3 g1=Q+ 55. Kf3 Qg3+ 56. Ke2 h3 57. Kd2 h2 58. Kc2 Rg1 59. Kb3 h1=Q 60. Ka3 Qxd3+ 61. Ka2 Rg2+ 62. Bf2 Rxf2# { Black wins by checkmate. } 0-1