Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/d2T8sU5w"]
[Date "2025.12.15"]
[White "KiRiLL"]
[Black "Mark"]
[Result "0-1"]
[UTCDate "2025.12.15"]
[UTCTime "16:33:22"]
[WhiteElo "1386"]
[BlackElo "1549"]
[WhiteRatingDiff "-4"]
[BlackRatingDiff "+5"]
[WhiteTitle "GM"]
[BlackTitle "⛳"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B12"]
[Opening "Caro-Kann Defense: Advance Variation, Van der Wiel Attack"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 { B12 Caro-Kann Defense: Advance Variation, Van der Wiel Attack } e6 5. Nf3 c5 6. Bb5+ Nc6 7. Bf4?! { (0.23 → -0.67) Inaccuracy. Be3 was best. } (7. Be3 c4 8. Bxc6+ bxc6 9. O-O h6 10. Ne2 Ne7 11. Ng3 Bg6 12. b3 Nf5 13. bxc4 Nxg3) 7... a6?! { (-0.67 → 0.23) Inaccuracy. Bg4 was best. } (7... Bg4 8. dxc5) 8. Bxc6+ bxc6 9. O-O cxd4?! { (-0.23 → 0.56) Inaccuracy. Bg4 was best. } (9... Bg4 10. dxc5) 10. Nxd4 Rb8?? { (0.75 → 6.32) Blunder. Ne7 was best. } (10... Ne7 11. Na4) 11. Nxc6 Qb6 12. Nxb8 Qxb8 13. Rb1?! { (7.23 → 4.50) Inaccuracy. Qd4 was best. } (13. Qd4 Qb4 14. Ne2 Bc5 15. Qxb4 Bxb4 16. Nd4 Bg6 17. Nb3 Ne7 18. c3 Ba3 19. bxa3 Nc6) 13... Nh6 14. b4 Bxb4 15. a3 Qa7 16. Rxb4 a5 17. Ra4 Qc5 18. Qd2 O-O 19. Be3 Qc6 20. Rxa5 Ng4 21. f3 Nxe5 22. Rb1?? { (7.52 → 2.69) Blunder. Qd4 was best. } (22. Qd4 f6) 22... Nc4 23. Qd4?? { (2.73 → -1.59) Blunder. Nxd5 was best. } (23. Nxd5) 23... Nxa5 24. Rb6?! { (-1.46 → -2.50) Inaccuracy. Qc5 was best. } (24. Qc5) 24... Qd6?? { (-2.50 → 9.23) Blunder. Qa8 was best. } (24... Qa8 25. Qa4 Nc4 26. Ra6 Qc8 27. Rc6 Qb8 28. Bd4 Qf4 29. Ne2 Qd2 30. Kf2 e5 31. Bc5) 25. Nb5?? { (9.23 → 0.14) Blunder. Rxd6 was best. } (25. Rxd6 Nc4 26. Rc6 Nxe3 27. Qxe3 Bxc2 28. Nxd5 exd5 29. Rxc2 Rd8 30. Rc7 Rf8 31. Qf4 g6) 25... Qe7 26. Ra6?? { (0.09 → -1.76) Blunder. Nd6 was best. } (26. Nd6 Nc4) 26... Nb7?? { (-1.76 → 3.30) Blunder. Nc4 was best. } (26... Nc4 27. a4) 27. Ra7?! { (3.30 → 2.58) Inaccuracy. Ra7 was best. } (27. Ra7) 27... Bxc2? { (2.58 → 4.72) Mistake. h6 was best. } (27... h6 28. Qb4 Qxb4 29. axb4 Nd8 30. Ra6 Kh7 31. Bc5 Rg8 32. Nd4 Bg6 33. Bd6 Nb7) 28. Qb6 Rb8?! { (3.92 → 6.05) Inaccuracy. Qh4 was best. } (28... Qh4 29. Bf2) 29. Nc7?? { (6.05 → 1.68) Blunder. Nd4 was best. } (29. Nd4 Qc5) 29... h6?? { (1.68 → 3.91) Blunder. d4 was best. } (29... d4) 30. Rxb7 Rd8? { (3.86 → 7.47) Mistake. Rxb7 was best. } (30... Rxb7) 31. Nxe6 Qxe6 32. Qxe6?? { (7.13 → 0.68) Blunder. Qxd8+ was best. } (32. Qxd8+ Kh7) 32... fxe6 33. Bc5?! { (0.71 → 0.00) Inaccuracy. Bd4 was best. } (33. Bd4 e5 34. Bxe5 d4 35. Rxg7+ Kf8 36. Bf6 Rd5 37. Rb7 d3 38. Bg7+ Kg8 39. Bxh6 d2) 33... d4 34. Rb4?? { (-0.06 → -5.40) Blunder. Bb4 was best. } (34. Bb4 Rc8) 34... d3 35. Be3 d2 36. Bxd2 Rxd2 37. Rb8+ Kh7 38. Rb2 Rd1+ 39. Kf2 Bd3 40. Rb3 Bc4 41. Rc3 Ba2 42. Ke2 Rd7 43. Rc2 Bb3 44. Rb2 Bc4+ 45. Ke3 Rd3+ 46. Ke4 Rxa3 47. Rb7?! { (-5.24 → -15.39) Inaccuracy. Kf4 was best. } (47. Kf4) 47... Bd5+ 48. Ke5 Bxb7 { White resigns. } 0-1