Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/cH7GDyt3"]
[Date "2025.09.15"]
[White "KiRiLL"]
[Black "Mark"]
[Result "1/2-1/2"]
[UTCDate "2025.09.15"]
[UTCTime "15:04:46"]
[WhiteElo "1435"]
[BlackElo "1423"]
[WhiteRatingDiff "+0"]
[BlackRatingDiff "+0"]
[WhiteTitle "GM"]
[BlackTitle "⛳"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B01"]
[Opening "Scandinavian Defense: Mieses-Kotroc Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 d5 2. exd5 Qxd5 { B01 Scandinavian Defense: Mieses-Kotroc Variation } 3. Nc3 Qe5+ 4. Qe2?! { (1.07 → 0.37) Inaccuracy. Be2 was best. } (4. Be2 c6 5. Nf3 Qc7 6. d4 Bf5 7. d5 Nf6 8. O-O Nxd5 9. Nxd5 cxd5 10. Qxd5 e6) 4... Qxe2+ 5. Bxe2 Bf5?! { (0.45 → 1.17) Inaccuracy. Nc6 was best. } (5... Nc6 6. Nd5 Kd8 7. Nf3 e5 8. Ne3 f6 9. O-O Nge7 10. c3 Nf5 11. d3 a5 12. d4) 6. d3? { (1.17 → 0.11) Mistake. Nd5 was best. } (6. Nd5 Kd7 7. Ne3 Bg6 8. Nf3 Nc6 9. d4 e6 10. O-O Ke8 11. c3 Bd6 12. Re1 Nge7) 6... Nf6?! { (0.11 → 0.63) Inaccuracy. Nc6 was best. } (6... Nc6 7. Be3 O-O-O 8. O-O-O e5 9. Nf3 Nge7 10. d4 exd4 11. Nxd4 Nxd4 12. Bxd4 Nc6 13. Be3) 7. Nf3 Ng4? { (0.17 → 1.24) Mistake. Nc6 was best. } (7... Nc6 8. Be3 O-O-O 9. a3 e5 10. h3 a6 11. O-O-O h6 12. d4 Bd6 13. dxe5 Nxe5 14. Rhe1) 8. Bf4 Nc6? { (1.08 → 2.31) Mistake. c6 was best. } (8... c6) 9. O-O-O?? { (2.31 → -3.89) Blunder. h3 was best. } (9. h3 Nf6 10. Bxc7 g6 11. Bf4 Bg7 12. O-O-O O-O 13. Be3 Rac8 14. a3 Rfd8 15. g4 Be6) 9... Nxf2 10. Rdf1 Nxh1 11. Rxh1?! { (-4.59 → -6.37) Inaccuracy. Nb5 was best. } (11. Nb5 O-O-O) 11... Bg4? { (-6.37 → -3.60) Mistake. O-O-O was best. } (11... O-O-O 12. Ng5) 12. Bxc7 Nd4?? { (-3.58 → 5.79) Blunder. e6 was best. } (12... e6 13. h3 Bh5 14. g4 Bg6 15. Nh4 Rc8 16. Nxg6 hxg6 17. Bg3 Be7 18. Bf3 O-O 19. Kb1) 13. Nxd4 Bxe2 14. Ncxe2 e5 15. Nf5?! { (7.41 → 5.48) Inaccuracy. Bxe5 was best. } (15. Bxe5) 15... g6 16. Nd6+? { (7.12 → 4.00) Mistake. Bxe5 was best. } (16. Bxe5 Rg8) 16... Bxd6?! { (4.00 → 5.76) Inaccuracy. Kd7 was best. } (16... Kd7 17. Nxf7) 17. Bxd6 O-O-O 18. Bxe5?? { (6.88 → 3.19) Blunder. Be7 was best. } (18. Be7) 18... Rhe8 19. Rd1?? { (3.14 → -3.29) Blunder. d4 was best. } (19. d4 f6) 19... Rxe5 20. Nc3 h5 21. g3 h4 22. gxh4 Rh5 23. Kd2?! { (-4.59 → -6.10) Inaccuracy. Rf1 was best. } (23. Rf1 f5 24. Rf4 Rdh8 25. Nd5 Rxh4 26. Ne7+ Kd7 27. Rxh4 Rxh4 28. Nxg6 Rxh2 29. d4 Rh6) 23... Rxh4 24. Rh1 g5 25. Ke3 g4?! { (-6.57 → -4.92) Inaccuracy. f5 was best. } (25... f5) 26. Nb5?! { (-4.92 → -6.38) Inaccuracy. Ne4 was best. } (26. Ne4) 26... f5 27. Nxa7+ Kc7 28. Nb5+ Kb6 29. Nc3 Rg8?! { (-5.05 → -3.53) Inaccuracy. Rh3+ was best. } (29... Rh3+ 30. Kf4) 30. Nd5+ Kc6?? { (-4.04 → 6.06) Blunder. Kc5 was best. } (30... Kc5 31. Nf4 Rgh8 32. h3 Re8+ 33. Kf2 gxh3 34. Kg3 Reh8 35. Rh2 Rg4+ 36. Kf3 Rhh4 37. Nxh3) 31. Ne7+ Kd7 32. Nxg8 Rh3+ 33. Kf4 g3 34. Nf6+ Ke6 35. Ng8?! { (6.98 → 4.75) Inaccuracy. Ng4 was best. } (35. Ng4) 35... Rxh2 36. Re1+ Kf7 37. Nh6+?! { (6.00 → 4.60) Inaccuracy. Re7+ was best. } (37. Re7+) 37... Rxh6 38. Rg1?! { (4.75 → 3.41) Inaccuracy. Kxg3 was best. } (38. Kxg3) 38... Rh2 39. Rxg3?? { (3.62 → 0.15) Blunder. Rc1 was best. } (39. Rc1 Kf6 40. Kxg3 Rd2 41. Kf3 Rh2 42. a4 Rh3+ 43. Kg2 Rh4 44. b3 Rh7 45. Re1 Kg5) 39... Kf6? { (0.15 → 1.57) Mistake. Rxc2 was best. } (39... Rxc2 40. b3 Kf6 41. Rg8 Rf2+ 42. Ke3 Rxa2 43. Rb8 Ra1 44. Rxb7 Re1+ 45. Kf2 Rh1 46. b4) 40. d4 Rxc2?? { (1.31 → 3.20) Blunder. Rh4+ was best. } (40... Rh4+ 41. Kf3 Rxd4 42. Rg8 b5 43. a3 Rc4 44. c3 Rc5 45. Kf4 Rc4+ 46. Ke3 Re4+ 47. Kf3) 41. Rd3?? { (3.20 → -0.05) Blunder. Rb3 was best. } (41. Rb3) 41... Ke6?? { (-0.05 → 3.48) Blunder. Rxb2 was best. } (41... Rxb2 42. Rc3 Rb4 43. Ke3 Ke7 44. Rc5 Ke6 45. Re5+ Kf6 46. Ra5 b5 47. Ra6+ Kg5 48. Ra8) 42. Kg5?? { (3.48 → -0.03) Blunder. Rb3 was best. } (42. Rb3 Rh2 43. Rb6+ Kd5 44. Rxb7 Kxd4 45. Kxf5 Kd5 46. a4 Kc6 47. Rb4 Kc5 48. Rb5+ Kc6) 42... Rxb2 43. d5+ Kd6 44. Kxf5 Rxa2 45. Ke4 b5 46. Rb3 Ra5 47. Kd4 Ra4+ 48. Kc3 Rc4+ 49. Kd3 Kxd5 50. Rxb5+ Rc5 51. Rxc5+ Kxc5 { The game is a draw. } 1/2-1/2