Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/2BMp1GtM"]
[Date "2025.06.30"]
[White "Pekka"]
[Black "KiRiLL"]
[Result "1/2-1/2"]
[UTCDate "2025.06.30"]
[UTCTime "15:49:49"]
[WhiteElo "1489"]
[BlackElo "1448"]
[WhiteRatingDiff "-4"]
[BlackRatingDiff "+2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B10"]
[Opening "Caro-Kann Defense: Two Knights Attack"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 c6 2. Nf3 d5 3. Nc3 { B10 Caro-Kann Defense: Two Knights Attack } Nf6 4. exd5?! { (0.59 → 0.06) Inaccuracy. e5 was best. } (4. e5 Ne4 5. d4 Nxc3 6. bxc3 c5 7. dxc5 e6 8. Rb1 Bxc5 9. Bd3 Qc7 10. O-O Nc6) 4... Nxd5?! { (0.06 → 0.59) Inaccuracy. cxd5 was best. } (4... cxd5 5. h3) 5. Nxd5 cxd5 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. O-O Nc6 9. d3 e5?? { (-0.34 → 1.87) Blunder. d4 was best. } (9... d4 10. Bd2) 10. d4?? { (1.87 → -0.35) Blunder. Nxe5 was best. } (10. Nxe5) 10... Bd6?? { (-0.35 → 2.26) Blunder. e4 was best. } (10... e4 11. Ne5 Nxe5 12. dxe5 Bc5 13. c3 O-O 14. Be3 b6 15. Bd4 Qe6 16. Rc1 Rac8 17. Qa4) 11. dxe5 Bxe5?? { (2.20 → 7.15) Blunder. Bc7 was best. } (11... Bc7 12. Bf4) 12. Nxe5 Nxe5 13. Qe2 Qe6 14. Re1 f6 15. Qb5+?? { (6.87 → 0.55) Blunder. f4 was best. } (15. f4) 15... Qd7 16. Qxd7+ Kxd7 17. f4?! { (0.62 → 0.05) Inaccuracy. Bf4 was best. } (17. Bf4 Rhe8 18. Rad1 Kc6 19. b3 Rad8 20. Kf1 Ng6 21. Be3 b6 22. Rd3 Ne5 23. Rd4 Rd7) 17... Nc4 18. b3 Nb6 19. Be3 Rhe8 20. Bxb6?! { (0.61 → 0.08) Inaccuracy. Rad1 was best. } (20. Rad1 Rac8) 20... axb6 21. c4?? { (0.02 → -2.62) Blunder. a4 was best. } (21. a4) 21... Rxe1+ 22. Rxe1 dxc4 23. bxc4 Rxa2 24. Rd1+ Ke7? { (-2.43 → -0.89) Mistake. Kc7 was best. } (24... Kc7 25. Re1) 25. Re1+?? { (-0.89 → -2.87) Blunder. Rb1 was best. } (25. Rb1 Ra6) 25... Kf7?? { (-2.87 → -0.40) Blunder. Kd7 was best. } (25... Kd7) 26. Rd1 Re2?! { (-0.68 → -0.14) Inaccuracy. Ke7 was best. } (26... Ke7 27. Rb1) 27. Rd7+ Re7 28. Rxe7+?? { (-0.06 → -6.68) Blunder. Rd6 was best. } (28. Rd6 Re6 29. Rd7+ Kg6 30. Kf2 h5 31. Rxb7 Re4 32. Kf3 Rxc4 33. Rxb6 Ra4 34. Rb3 Kh6) 28... Kxe7 29. Kf2 Ke6 30. Ke3 Kf5 31. g3?! { (-4.62 → -7.54) Inaccuracy. h3 was best. } (31. h3 Ke6) 31... g5?! { (-7.54 → -5.15) Inaccuracy. Kg4 was best. } (31... Kg4 32. Kf2 Kh3 33. Kg1 f5 34. Kh1 h6 35. Kg1 h5 36. Kh1 h4 37. gxh4 Kxh4 38. Kg1) 32. fxg5 fxg5 33. Kd4 Kg4 34. Kc3 Kh3 35. Kb4 Kxh2 36. Kb5 Kxg3 37. Kxb6 h5 38. Kxb7 h4 39. c5 h3 40. c6 h2 41. Kc7 h1=Q 42. Kd8 Qxc6 43. Ke7 Qb7+ 44. Kf6 Qf3+ 45. Kxg5 Qf8 46. Kg6 Kg4 47. Kh7 Kg5 { Draw by stalemate. } 1/2-1/2