Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/C9DUdpIx"]
[Date "2025.09.12"]
[White "RoWaN"]
[Black "Isaac6"]
[Result "0-1"]
[UTCDate "2025.09.12"]
[UTCTime "20:40:50"]
[WhiteElo "1686"]
[BlackElo "1827"]
[WhiteRatingDiff "-6"]
[BlackRatingDiff "+21"]
[WhiteTitle "NM🎼"]
[BlackTitle "GM🔥"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C45"]
[Opening "Scotch Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 { C45 Scotch Game } Nxd4?! { (0.12 → 0.99) Inaccuracy. Nf6 was best. } (4... Nf6 5. Nxc6 bxc6 6. Bd3 d5 7. exd5 cxd5 8. O-O Be7 9. Re1 O-O 10. h3 Rb8 11. b3) 5. Qxd4 Qf6 6. e5 Qb6 7. Be3 Qxd4 8. Bxd4 Ne7 9. Bd3 Nc6 10. Bc3 d6 11. exd6 Bxd6 12. O-O?! { (0.79 → 0.06) Inaccuracy. Bxg7 was best. } (12. Bxg7) 12... Be6? { (0.06 → 1.25) Mistake. O-O was best. } (12... O-O 13. Na3 Bxa3 14. bxa3 Be6 15. Rfb1 Rab8 16. a4 Rfd8 17. a5 Rd5 18. Rb5 Rxb5 19. Bxb5) 13. Bxg7 Rg8 14. Bc3 O-O-O 15. g3 h5 16. Re1 h4 17. Nd2 hxg3 18. hxg3 Bh3? { (0.97 → 2.48) Mistake. Bb4 was best. } (18... Bb4 19. Nf3 Bxc3 20. bxc3 Rh8 21. Ng5 Bd5 22. Bf5+ Kb8 23. Be4 Kc8 24. Kg2 f5 25. Bxd5) 19. Ne4 Bd7?? { (2.34 → 6.05) Blunder. Be7 was best. } (19... Be7 20. Bc4) 20. Re2?? { (6.05 → 2.81) Blunder. Nf6 was best. } (20. Nf6 Nb4 21. Nxg8 Rxg8 22. Bxb4 Bxb4 23. Re5 Bd6 24. Rh5 f5 25. Bxf5 Bxf5 26. Rxf5 Bxg3) 20... Be5 21. Bxe5? { (2.82 → 1.46) Mistake. Nf6 was best. } (21. Nf6) 21... Nxe5 22. Rd1?? { (1.38 → -4.12) Blunder. Nf6 was best. } (22. Nf6 Nf3+) 22... Rh8?? { (-4.12 → 1.60) Blunder. Bg4 was best. } (22... Bg4 23. Nf6 Bxe2 24. Bxe2 Rxd1+ 25. Bxd1 Rd8 26. Bh5 Rd2 27. f4 Ng6 28. Bg4+ Kd8 29. Bf5) 23. Nf6 Nf3+?? { (1.88 → 4.15) Blunder. Nxd3 was best. } (23... Nxd3 24. Rxd3 Bc6 25. Rxd8+ Kxd8 26. Rd2+ Kc8 27. Nd5 Kb8 28. b3 b5 29. Kf1 Rh1+ 30. Ke2) 24. Kg2 Bc6 25. Bf5+ Kb8 26. Rxd8+ Rxd8 27. Nd7+?? { (4.19 → -2.72) Blunder. Be4 was best. } (27. Be4) 27... Ka8 28. Be4 Nd4 29. Rd2?? { (-2.84 → -7.00) Blunder. Bxc6 was best. } (29. Bxc6) 29... Bxe4+ 30. Kh3 Nf3?? { (-8.76 → 1.11) Blunder. Rxd7 was best. } (30... Rxd7 31. c3 f5 32. f3 Rh7+ 33. Kg2 Rh2+ 34. Kxh2 Nxf3+ 35. Kg2 Nxd2+ 36. Kf2 Nc4 37. b3) 31. Nb6+ axb6 32. Rxd8+ Ka7 33. c3?! { (1.10 → 0.56) Inaccuracy. Kg4 was best. } (33. Kg4) 33... Ng5+?! { (0.56 → 1.45) Inaccuracy. Bb1 was best. } (33... Bb1 34. g4) 34. Kg4? { (1.45 → 0.41) Mistake. Kh4 was best. } (34. Kh4 Ne6) 34... Ne6?! { (0.41 → 0.96) Inaccuracy. Ne6 was best. } (34... Ne6 35. Rd7 f5+ 36. Kh4 Nc5 37. Re7 Bb1 38. Re1 Bd3 39. Kg5 Ka6 40. Re5 Ne4+ 41. Kxf5) 35. Re8?! { (0.96 → 0.39) Inaccuracy. Rd7 was best. } (35. Rd7 f5+ 36. Kh5 Nc5 37. Rd2 Kb8 38. Kg5 c6 39. f3 Bxf3 40. Kxf5 Be4+ 41. Ke5 Bd5) 35... f5+ 36. Kh4 Ng7?? { (0.58 → 7.99) Blunder. Bd5 was best. } (36... Bd5 37. b3) 37. Rg8?? { (7.99 → 0.32) Blunder. Re7 was best. } (37. Re7 b5 38. Rxg7 Kb6 39. Re7 Bb1 40. a3 c5 41. b4 Kc6 42. f4 b6 43. Re6+ Kd5) 37... Ne6 38. f4 Nc5 39. Rg5?! { (0.63 → -0.08) Inaccuracy. Rg7 was best. } (39. Rg7 Nd3) 39... Nd3 40. g4 fxg4 41. Kxg4 Nxb2 42. Re5 Bc6 43. Re2 Nc4 44. a4?? { (-0.53 → -3.40) Blunder. Re7 was best. } (44. Re7 Kb8) 44... Bxa4 45. Ra2 b5 46. Kf5 Kb6 47. Ke4 Nd6+ 48. Kd5?? { (-3.99 → -13.19) Blunder. Ke5 was best. } (48. Ke5) 48... Bb3+ { White resigns. } 0-1