Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/ItlVPBC8"]
[Date "2026.04.14"]
[White "Caroline1"]
[Black "Vincent3"]
[Result "1-0"]
[UTCDate "2026.04.14"]
[UTCTime "14:32:02"]
[WhiteElo "1258"]
[BlackElo "1308"]
[WhiteRatingDiff "+9"]
[BlackRatingDiff "-17"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C46"]
[Opening "Three Knights Opening"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 { C46 Three Knights Opening } Nd4?? { (0.18 → 1.83) Blunder. Nf6 was best. } (3... Nf6 4. Bb5 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Kxe2) 4. Nxd4? { (1.83 → 0.36) Mistake. Nxe5 was best. } (4. Nxe5 Bc5 5. d3 Nf6 6. Be3 d6 7. Nf3 Bg4 8. Be2 Bxf3 9. Bxf3 O-O 10. O-O Re8) 4... exd4 5. Ne2 c5 6. c3 Qf6? { (0.00 → 1.36) Mistake. d5 was best. } (6... d5 7. exd5) 7. cxd4 cxd4 8. d3 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 Ne7 11. Qf4 Qxf4 12. Nxf4 g5 13. Nd5?! { (0.64 → -0.01) Inaccuracy. Nh5 was best. } (13. Nh5) 13... Nxd5 14. exd5 d6?! { (-0.04 → 0.63) Inaccuracy. b6 was best. } (14... b6 15. g3 Ke7 16. f4 g4 17. Bg2 Kd6 18. h3 gxh3 19. Rxh3 h5 20. Bf3 Bb7) 15. Be2 b6 16. O-O? { (1.08 → -0.24) Mistake. Rc1 was best. } (16. Rc1 Bb7) 16... Bb7?! { (-0.24 → 0.46) Inaccuracy. O-O was best. } (16... O-O 17. Rac1 Bf5 18. Rfd1 Rfe8 19. Bh5 Rec8 20. Rc6 Rxc6 21. dxc6 Rc8 22. Bf3 g4 23. Bd5) 17. Rfe1? { (0.46 → -0.58) Mistake. f4 was best. } (17. f4 gxf4 18. Rxf4 Bxd5 19. Re1 O-O 20. Rg4+ Kh8 21. Rxd4 Be6 22. Bg4 Bxa2 23. Bf3 Rac8) 17... Bxd5?? { (-0.58 → 7.62) Blunder. O-O was best. } (17... O-O) 18. Bf3+ Kd7 19. Bxd5 Raf8 20. Rad1 Re8 21. Rxe8 Rxe8 22. Bxf7 Re7 23. Bd5 Re5 24. Be4 d5 25. Bxh7 Re2 26. Kf1 Rxb2 27. Bf5+ Kd6 28. Ra1 Ke5 29. g4 Kf4 30. Be6 Ke5 31. Bf5 Kf4 32. Bg6?! { (8.40 → 4.79) Inaccuracy. Kg2 was best. } (32. Kg2) 32... Rd2?! { (4.79 → 6.33) Inaccuracy. Kf3 was best. } (32... Kf3 33. Kg1 Rxf2 34. Rf1 Rxf1+ 35. Kxf1 Kxg4 36. Kg2 b5 37. Be8 a6 38. Bd7+ Kf4 39. Kf2) 33. h3 Kf3 34. Ke1?? { (5.65 → 2.51) Blunder. Kg1 was best. } (34. Kg1 Rxf2 35. Rf1 Rxf1+ 36. Kxf1 Kg3 37. Ke2 b5 38. Bf7 a6 39. h4 Kxh4 40. Kf3 b4) 34... Re2+?! { (2.51 → 3.75) Inaccuracy. Rxf2 was best. } (34... Rxf2 35. Rb1 Rxa2 36. Rb5 Re2+ 37. Kd1 Re5 38. Rb4 Ke3 39. Rb2 Kf3 40. Bf5 Re7 41. Rb4) 35. Kf1? { (3.75 → 2.24) Mistake. Kd1 was best. } (35. Kd1) 35... Rxf2+ 36. Ke1?? { (2.43 → 0.00) Blunder. Kg1 was best. } (36. Kg1) 36... Re2+?? { (0.00 → 3.27) Blunder. Rh2 was best. } (36... Rh2 37. Rc1 Ke3 38. Kd1 Rd2+ 39. Ke1) 37. Kd1 Rg2 38. Rc1? { (3.65 → 1.75) Mistake. Rb1 was best. } (38. Rb1) 38... Rg1+?? { (1.75 → 5.21) Blunder. Rxa2 was best. } (38... Rxa2 39. Rb1 Ra5 40. Rb4 Ke3 41. Rb2 Ra1+ 42. Kc2 Ra5 43. Bf5 Rc5+ 44. Kd1 Ra5 45. Re2+) 39. Kc2 Rg2+ 40. Kb1 Rg3 41. Rf1+ Ke2 42. Rf5 Rxd3 43. Rxg5 Rd1+ 44. Kc2 Rd2+ 45. Kb1 d3 46. h4 Kd1?! { (5.30 → 8.23) Inaccuracy. d4 was best. } (46... d4) 47. h5 Rc2 48. h6 Kd2 49. h7 d4 50. h8=Q Kc3 51. Bxd3 Kxd3 52. Qh3+ Kd2 53. Rd5 Rc1+ 54. Kb2 Rc2+ 55. Kb3 Rc3+ 56. Kb4?? { (Mate in 4 → 0.01) Lost forced checkmate sequence. Qxc3+ was best. } (56. Qxc3+ Ke2 57. Rxd4 Kf2 58. Rd2+ Ke1 59. Qc1#) 56... a5+ 57. Ka4 Rc4+?? { (0.02 → 11.86) Blunder. Rxh3 was best. } (57... Rxh3 58. Rxd4+ Ke3 59. Rd6 Rg3 60. Rxb6 Rxg4+ 61. Kxa5 Rg2 62. a4 Kd4 63. Rb5 Kc4 64. Kb6) 58. Kb5 Rb4+ 59. Ka6 Rc4 60. g5 d3?! { (61.79 → Mate in 4) Checkmate is now unavoidable. Ra4 was best. } (60... Ra4 61. g6) 61. Qxd3+ Ke1 62. Re5+ Kf2 63. Qxc4 Kg3 64. g6 { Black resigns. } 1-0