Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/2VGdJRvL"]
[Date "2025.06.16"]
[White "Pekka"]
[Black "KiRiLL"]
[Result "1-0"]
[UTCDate "2025.06.16"]
[UTCTime "15:11:07"]
[WhiteElo "1403"]
[BlackElo "1499"]
[WhiteRatingDiff "+172"]
[BlackRatingDiff "-13"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C48"]
[Opening "Four Knights Game: Spanish Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 { C48 Four Knights Game: Spanish Variation } d5?? { (0.01 → 2.53) Blunder. Nd4 was best. } (4... Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Bxe2 Bc5 11. O-O) 5. Bxc6+?? { (2.53 → 0.70) Blunder. Nxe5 was best. } (5. Nxe5 Qd6 6. d4 Nxe4 7. O-O Be7 8. Qf3 Be6 9. Nxe4 dxe4 10. Qxe4 Bd5 11. Qe2 O-O) 5... bxc6 6. exd5?? { (0.69 → -1.03) Blunder. Nxe5 was best. } (6. Nxe5 dxe4 7. d4 Bb4 8. O-O Bxc3 9. bxc3 O-O 10. Bg5 Re8 11. Re1 Qd5 12. c4 Qe6) 6... Nxd5?? { (-1.03 → 1.04) Blunder. e4 was best. } (6... e4 7. Ne5 cxd5 8. d4 Bd6 9. O-O O-O 10. Bg5 c5 11. Bh4 cxd4 12. Qxd4 Re8 13. Nc6) 7. Nxd5? { (1.04 → -0.16) Mistake. Nxe5 was best. } (7. Nxe5 Nxc3 8. dxc3 Qxd1+ 9. Kxd1 f6 10. Nd3 Bf5 11. Re1+ Kf7 12. Be3 h5 13. h4 a5) 7... Qxd5 8. O-O Bg4 9. d3?! { (0.29 → -0.66) Inaccuracy. h3 was best. } (9. h3 Bxf3 10. Qxf3 Qxf3 11. gxf3 O-O-O 12. Re1 Bb4 13. Re2 Rhe8 14. d3 Bc5 15. Be3 Bd4) 9... Bc5?! { (-0.66 → 0.21) Inaccuracy. O-O-O was best. } (9... O-O-O 10. Qe2 f5 11. Re1 Bb4 12. c3 Bd6 13. c4 Bxf3 14. Qe3 f4 15. Qxf3 Qxf3 16. gxf3) 10. Be3?! { (0.21 → -0.37) Inaccuracy. h3 was best. } (10. h3 Bxf3 11. Qxf3 Qxf3 12. gxf3 O-O-O 13. Re1 Bd4 14. a4 Rd5 15. Kf1 Rhd8 16. Re4 f5) 10... Bxe3?! { (-0.37 → 0.59) Inaccuracy. Be7 was best. } (10... Be7) 11. fxe3 e4?! { (0.33 → 1.13) Inaccuracy. O-O was best. } (11... O-O) 12. dxe4 Qxe4 13. h3?? { (1.50 → -0.07) Blunder. Qd4 was best. } (13. Qd4) 13... Qxe3+ 14. Kh2 Rd8?? { (-0.06 → 8.12) Blunder. Be6 was best. } (14... Be6 15. Qd4) 15. Qe1?? { (8.12 → 1.41) Blunder. Re1 was best. } (15. Re1 Qe6 16. hxg4 Rxd1 17. Rxe6+ fxe6 18. Rxd1 Rf8 19. Rd4 Rxf3 20. gxf3 c5 21. Ra4 Kd7) 15... Qxe1 16. Rfxe1+? { (1.38 → -0.09) Mistake. Raxe1+ was best. } (16. Raxe1+ Be6) 16... Be6 17. Rad1 Rxd1 18. Rxd1 Bxa2?? { (-0.51 → 3.49) Blunder. Ke7 was best. } (18... Ke7 19. Nd4) 19. Re1+?? { (3.49 → -1.59) Blunder. b3 was best. } (19. b3 c5) 19... Kd7?? { (-1.59 → 2.48) Blunder. Be6 was best. } (19... Be6) 20. Ne5+?? { (2.48 → -1.35) Blunder. b3 was best. } (20. b3) 20... Ke6?? { (-1.35 → 7.16) Blunder. Kc8 was best. } (20... Kc8 21. Ra1) 21. Ng6+ Kf6 22. Nxh8 Be6 23. Rf1+ Ke7 24. g4 Kf8 25. g5 Kg8 26. Nxf7 Bxf7 27. h4 Kf8 28. h5 Ke7 29. Re1+ Kd6 30. Rd1+ Kc5 31. h6 gxh6 32. gxh6 Bg6 33. c3 Kc4 34. Rd4+? { (5.81 → 3.00) Mistake. Ra1 was best. } (34. Ra1) 34... Kb3 35. Rb4+ Kc2 36. Kg2 Kd3? { (3.01 → 5.87) Mistake. a5 was best. } (36... a5 37. Rb7) 37. Kf3 Bf7 38. Rd4+ Kc2 39. Ke2?! { (6.93 → 4.59) Inaccuracy. Ra4 was best. } (39. Ra4) 39... Kxb2 40. Kd2 Kb3 41. Rb4+ Ka2 42. Kc2?! { (8.01 → 5.06) Inaccuracy. Ra4+ was best. } (42. Ra4+ Kb3 43. Rxa7 Be6 44. Rxc7 Bf5 45. Rxc6 Be4 46. Rc7 Bf5 47. Ke3 Bb1 48. Rc6 Ka4) 42... Bg6+ 43. Kc1 Ka3 44. Rb2 Ka4 45. Ra2+ Kb3 46. Rxa7?? { (4.62 → 0.18) Blunder. Ra6 was best. } (46. Ra6 Bf5) 46... Kxc3 47. Rxc7 Be4 48. Re7 c5?? { (0.42 → 60.64) Blunder. Kd4 was best. } (48... Kd4 49. Kd2 Bf5 50. Rf7 Bg6 51. Rf4+ Be4 52. Rf8 Bg6 53. Rg8 Bf5 54. Rd8+ Ke5 55. Ke3) 49. Rxe4 Kd3 50. Re7 c4 51. Rxh7 c3 52. Rd7+ Kc4 53. h7 { Black resigns. } 1-0