Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/kFaADVdi"]
[Date "2026.07.24"]
[White "RoWaN"]
[Black "Benjamin6"]
[Result "0-1"]
[UTCDate "2026.07.24"]
[UTCTime "20:13:05"]
[WhiteElo "1659"]
[BlackElo "1301"]
[WhiteRatingDiff "-20"]
[BlackRatingDiff "+62"]
[WhiteTitle "🎼"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B10"]
[Opening "Caro-Kann Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 c6 { B10 Caro-Kann Defense } 2. Nf3 d5 3. exd5 cxd5 4. Bb5+ Nc6 5. d4 Bd7 6. O-O Qb6?? { (0.36 → 2.04) Blunder. a6 was best. } (6... a6 7. Bxc6) 7. c4 dxc4?! { (1.94 → 3.04) Inaccuracy. Nf6 was best. } (7... Nf6 8. Nc3) 8. Bxc4?! { (3.04 → 2.25) Inaccuracy. Nc3 was best. } (8. Nc3 a6) 8... Nf6 9. Be3 Qc7? { (1.74 → 3.35) Mistake. Na5 was best. } (9... Na5 10. Bd3) 10. Nc3 Ng4?! { (3.25 → 4.55) Inaccuracy. Na5 was best. } (10... Na5 11. Bb5 e6 12. Rc1 Nc6 13. d5 exd5 14. Bg5 Qd6 15. Re1+ Be6 16. Bxf6 gxf6 17. Nxd5) 11. Ne5?? { (4.55 → -6.00) Blunder. Bg5 was best. } (11. Bg5 e6 12. d5 Nce5 13. Nxe5 Nxe5 14. Bb3 Bb4 15. Rc1 O-O 16. Bf4 Qb8 17. Ne4 exd5) 11... Ncxe5 12. dxe5 Qxc4 13. Bd4 e6?? { (-5.90 → 0.40) Blunder. Nh6 was best. } (13... Nh6) 14. Qxg4 Bc5?? { (0.03 → 3.61) Blunder. Bc6 was best. } (14... Bc6 15. Rfd1 Rd8 16. Rac1 h5 17. Qf4 Bc5 18. Ne4 Qd5 19. Rxc5 Qxe4 20. Qxe4 Bxe4 21. Rcc1) 15. Rfd1 h5?! { (3.76 → 5.40) Inaccuracy. Bc6 was best. } (15... Bc6 16. Rac1 Be7 17. Ne4 Qd5 18. Qxg7 O-O-O 19. f3 Rhf8 20. Nd6+ Bxd6 21. exd6 Qxd6 22. Bxa7) 16. Qe4?? { (5.40 → 0.44) Blunder. Qxg7 was best. } (16. Qxg7 O-O-O 17. b3 Qxd4 18. Rxd4 Bxd4 19. Rc1 Kb8 20. Ne4 Bc6 21. Rxc6 bxc6 22. g3 h4) 16... Bc6 17. Qe3 Bxd4?? { (0.62 → 3.14) Blunder. Be7 was best. } (17... Be7) 18. Rxd4 Qc5?? { (3.07 → 7.32) Blunder. Qa6 was best. } (18... Qa6 19. Qg5) 19. Rc1?? { (7.32 → 1.55) Blunder. Rd8+ was best. } (19. Rd8+ Rxd8) 19... Rd8?? { (1.55 → 11.30) Blunder. Qe7 was best. } (19... Qe7 20. b4) 20. Ne2?? { (11.30 → 0.41) Blunder. Rxd8+ was best. } (20. Rxd8+ Kxd8 21. Qxc5 a6 22. Qd6+ Kc8 23. Qe7 Kb8 24. Qxf7 Bd5 25. Qxg7 Rc8 26. Qh7 Rc6) 20... Rxd4 21. Rxc5?? { (0.61 → Mate in 1) Checkmate is now unavoidable. Nxd4 was best. } (21. Nxd4 Qd5) 21... Rg4?? { (Mate in 1 → 8.15) Lost forced checkmate sequence. Rd1# was best. } (21... Rd1#) 22. Ng3 h4 23. f3 Rg6 24. Ne4 f6 25. exf6 gxf6 26. Nd6+ Kd7 27. Qd4 e5 28. Nb5+?? { (8.82 → -7.45) Blunder. Qd3 was best. } (28. Qd3) 28... exd4 29. Nxd4 b6? { (-7.48 → -4.02) Mistake. Rhg8 was best. } (29... Rhg8 30. g3) 30. Rxc6 Rhg8 31. Rc2 a5? { (-4.28 → -2.67) Mistake. Rg5 was best. } (31... Rg5 32. Rd2) 32. a4?! { (-2.67 → -3.74) Inaccuracy. f4 was best. } (32. f4 Rg4) 32... Kd6?? { (-3.74 → -0.58) Blunder. Rg5 was best. } (32... Rg5 33. Rd2) 33. Nb5+?? { (-0.58 → -3.25) Blunder. Nf5+ was best. } (33. Nf5+ Kd7) 33... Kd5 34. b3 h3? { (-3.57 → -2.09) Mistake. f5 was best. } (34... f5) 35. g4?? { (-2.09 → -5.47) Blunder. g3 was best. } (35. g3 f5 36. Rd2+ Ke5 37. Na3 Kf6 38. Nc4 f4 39. g4 Ke7 40. Rd4 Re6 41. Kf2 Rf8) 35... f5 36. Rc4 fxg4 37. Rxg4 Rxg4+ 38. fxg4 Rxg4+ 39. Kf2 Rg2+ 40. Ke3 Rxh2 41. Nc3+ Ke5 42. Ne2 Rg2 43. Nf4?! { (-60.26 → Mate in 7) Checkmate is now unavoidable. Nd4 was best. } (43. Nd4 Rg3+ 44. Nf3+ Kd5 45. Kf4 Rxf3+ 46. Kxf3 Kc5 47. Kg3 Kb4 48. Kxh3 Kxb3 49. Kg4 Kxa4) 43... Rg3+ 44. Kf2 Rg8? { (Mate in 5 → -7.75) Lost forced checkmate sequence. Kxf4 was best. } (44... Kxf4 45. Ke2 h2 46. b4 h1=Q 47. bxa5 Qh2+ 48. Kf1 Rg1#) 45. Nxh3 Kd4 46. Ng1 Rf8+ 47. Ke2 Kc3 48. Nf3 Kxb3 49. Nd4+ Kxa4 50. Ne6?! { (-54.00 → Mate in 30) Checkmate is now unavoidable. Nc6 was best. } (50. Nc6 Rc8 51. Nd4 Re8+ 52. Kf3 b5 53. Kf4 b4 54. Kg5 b3 55. Nf3 b2 56. Nd2 Re1) 50... Re8?! { (Mate in 30 → -73.16) Lost forced checkmate sequence. Re8 was best. } { White resigns. } (50... Re8 51. Kd3 Rxe6 52. Kc4 Rd6 53. Kc3 b5 54. Kb2 Rc6 55. Ka2 b4 56. Kb2 Rb6 57. Kc2) 0-1