Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/ZwmfJPye"]
[Date "2026.09.11"]
[White "RoWaN"]
[Black "Trekker"]
[Result "0-1"]
[UTCDate "2026.09.11"]
[UTCTime "20:20:39"]
[WhiteElo "1620"]
[BlackElo "1752"]
[WhiteRatingDiff "-8"]
[BlackRatingDiff "+6"]
[WhiteTitle "🎼"]
[BlackTitle "NM🎅"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B02"]
[Opening "Alekhine Defense: Normal Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 Nf6?! { (0.33 → 1.02) Inaccuracy. c5 was best. } (1... c5 2. Nf3 d6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nc6 6. O-O h6 7. Nd5 Nf6 8. Nxf6+) 2. e5 Nd5 { B02 Alekhine Defense: Normal Variation } 3. Bc4?! { (1.00 → 0.19) Inaccuracy. d4 was best. } (3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nf3 Be7 7. Be3 O-O 8. Nc3 Nc6 9. Be2 Bg4) 3... e6?! { (0.19 → 0.70) Inaccuracy. Nb6 was best. } (3... Nb6 4. Bb3) 4. Bxd5? { (0.70 → -0.60) Mistake. d4 was best. } (4. d4 d6 5. Nf3 c5 6. O-O Nc6 7. Bg5 Be7 8. Bxd5 exd5 9. Bxe7 Qxe7 10. exd6 Qxd6) 4... exd5 5. Nf3 Nc6 6. O-O d6 7. d4 Bg4 8. c3?! { (-0.44 → -0.98) Inaccuracy. Re1 was best. } (8. Re1 Be7) 8... dxe5 9. dxe5 Nxe5?? { (-1.26 → 2.56) Blunder. Qd7 was best. } (9... Qd7) 10. Re1 Bd6?? { (2.96 → 6.23) Blunder. Qe7 was best. } (10... Qe7) 11. Nxe5 Bxd1 12. Nc6+ Kd7 13. Nxd8 Bh5 14. Nxb7 g5 15. Nxd6 cxd6 16. Bxg5 Rae8 17. Rxe8 Rxe8 18. Nd2 Rg8 19. Be3 f5 20. f4 Re8 21. Re1 Bf7 22. Kf2 a5 23. Nb3 a4 24. Nd4 Bg6 25. g3 Rb8 26. Rb1 a3 27. b4 Be8 28. Nxf5 Bg6 29. Nd4?? { (7.44 → -0.87) Blunder. Rb3 was best. } (29. Rb3 Bxf5) 29... Bxb1 30. f5?? { (-0.72 → -3.15) Blunder. Bc1 was best. } (30. Bc1 Ra8 31. Nb5 Bxa2 32. Nxa3 d4 33. Nb5 dxc3 34. Nxc3 Be6 35. Kf3 h5 36. Ke4 Rc8) 30... Rf8? { (-3.15 → -1.64) Mistake. Rc8 was best. } (30... Rc8 31. Nb5 Bxf5 32. Bd2 Ra8 33. Bc1 Bd3 34. Nxa3 d4 35. cxd4 Re8 36. Be3 Kc6 37. Kf3) 31. g4 Bxa2 32. Bc1?! { (-1.98 → -2.88) Inaccuracy. Bc1 was best. } (32. Bc1 Ra8 33. Nb5 d4 34. cxd4 Rg8 35. h3 Rb8 36. Nxa3 Rxb4 37. Kg3 Rxd4 38. Kh4 d5) 32... Ra8 33. Nb5 Kc6?? { (-2.54 → 0.00) Blunder. d4 was best. } (33... d4 34. Nxa3) 34. Nxa3 Bb3 35. Ke3 Re8+ 36. Kf3?! { (-0.46 → -1.40) Inaccuracy. Kd3 was best. } (36. Kd3 Re1) 36... Bc4?? { (-1.40 → 4.24) Blunder. Re1 was best. } (36... Re1 37. b5+ Kd7 38. Bb2 Bd1+ 39. Kf4 Re4+ 40. Kg5 Rxg4+ 41. Kf6 Rf4 42. b6 Bg4 43. Kg5) 37. Nc2?? { (4.24 → 1.53) Blunder. Nxc4 was best. } (37. Nxc4 dxc4 38. Be3 Re5 39. Bd4 Re1 40. g5 Kd7 41. g6 hxg6 42. fxg6 Ke6 43. h4 Kf5) 37... h6?? { (1.53 → 6.36) Blunder. Kd7 was best. } (37... Kd7 38. Bf4 Bd3 39. Nd4 Re1 40. Kg3 Rg1+ 41. Kh4 Rf1 42. Bh6 Rh1 43. Kg3 Bc4 44. Ne6) 38. Nd4+ Kd7 39. Bxh6 Rh8 40. Bf4 Rh3+ 41. Bg3 Ba6 42. f6 Bb7?! { (6.23 → 9.38) Inaccuracy. Bd3 was best. } (42... Bd3 43. g5 Rh8 44. h4 Rc8 45. Be1 Ke8 46. h5 Kf7 47. b5 Rh8 48. Kg4 Rc8 49. Kh4) 43. g5 Rh8 44. h4 Bc6 45. Kg4 Ba4 46. h5?! { (9.08 → 5.92) Inaccuracy. Kf5 was best. } (46. Kf5 Rc8) 46... Bd1+ 47. Kf5 Bxh5 48. Nb5?! { (6.32 → 4.77) Inaccuracy. g6 was best. } (48. g6 Rg8 49. g7 Rb8 50. Kg5 Bf7 51. Nf5 Ke6 52. Bxd6 Ra8 53. Bc5 Ra1 54. Nd4+ Kd7) 48... Rc8 49. Nxd6?? { (6.00 → 2.12) Blunder. Bf4 was best. } (49. Bf4) 49... Rxc3?! { (2.12 → 2.81) Inaccuracy. Rxc3 was best. } (49... Rxc3 50. Bf4) 50. f7?? { (2.81 → -3.87) Blunder. Bf4 was best. } (50. Bf4 Rf3) 50... Rf3+?? { (-3.87 → 0.11) Blunder. Rxg3 was best. } (50... Rxg3) 51. Bf4 Ke7 52. g6 Bxg6+ 53. Kxg6 Rxf4 54. Nf5+ Kf8 55. Kf6?? { (-0.17 → -10.27) Blunder. b5 was best. } (55. b5 d4 56. Kg5 Re4 57. Nd6 Re7 58. Kf4 d3 59. Nc4 Kxf7 60. b6 Kf6 61. Nd2 Kg7) 55... d4?! { (-10.27 → -5.88) Inaccuracy. d4 was best. } (55... d4) 56. b5 d3 57. b6 Rb4 58. Nd4 Rxd4 59. b7 Rb4 60. b8=Q+ Rxb8 { White resigns. } 0-1