Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/sUE3e8Li"]
[Date "2025.11.11"]
[White "ChessMasterPlayer"]
[Black "Christian1"]
[Result "1-0"]
[UTCDate "2025.11.11"]
[UTCTime "00:27:30"]
[WhiteElo "1473"]
[BlackElo "1673"]
[WhiteRatingDiff "+14"]
[BlackRatingDiff "-10"]
[WhiteTitle "GM"]
[BlackTitle "NM🐍"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "D02"]
[Opening "Queen's Pawn Game: Chigorin Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. Nf3 Nc6 { D02 Queen's Pawn Game: Chigorin Variation } 3. Bf4 Nf6 4. e3 g6 5. Nc3 a6 6. Bd3 Bg7 7. O-O O-O 8. Ne5 Nxe5 9. Bxe5 Bg4?! { (0.13 → 0.70) Inaccuracy. b6 was best. } (9... b6 10. b4 Ng4 11. Bxg7 Kxg7 12. h3 Nf6 13. Qd2 Qd6 14. Rfb1 Rd8 15. a4 a5 16. Nb5) 10. f3 Be6 11. Ne2 Nh5 12. Bxg7 Nxg7 13. Nf4 Bf5 14. Bxf5 Nxf5 15. c3?? { (0.71 → -5.09) Blunder. Qd2 was best. } (15. Qd2 e6) 15... c6?? { (-5.09 → 0.91) Blunder. Nxe3 was best. } (15... Nxe3 16. Qd2) 16. e4?? { (0.91 → -3.60) Blunder. Qe2 was best. } (16. Qe2 Ng7 17. Nd3 b6 18. e4 Rc8 19. Rad1 a5 20. Rfe1 Re8 21. Rd2 Qc7 22. exd5 cxd5) 16... dxe4?? { (-3.60 → -0.74) Blunder. Ne3 was best. } (16... Ne3 17. Qe1 Nxf1 18. e5 Nxh2 19. Kxh2 Qd7 20. g4 f5 21. g5 e6 22. Qh4 Rf7 23. Rh1) 17. fxe4?? { (-0.74 → -3.57) Blunder. Qe2 was best. } (17. Qe2 exf3 18. Rxf3 e6 19. Nd3 Qe7 20. Raf1 Nd6 21. g4 a5 22. Rf6 Rad8 23. Qe3 Ne8) 17... Ng7?? { (-3.57 → 1.23) Blunder. Ne3 was best. } (17... Ne3 18. Qf3) 18. d5? { (1.23 → -0.19) Mistake. Nd3 was best. } (18. Nd3 Ne6 19. a4 Qd6 20. a5 c5 21. d5 c4 22. Nf2 Nc5 23. Qe2 Nd7 24. Qxc4 Ne5) 18... f5?? { (-0.19 → 1.37) Blunder. Qb6+ was best. } (18... Qb6+ 19. Rf2 e5 20. dxe6 Nxe6 21. Nxe6 fxe6 22. Qe2 Rf7 23. Rf1 Raf8 24. g3 Kg7 25. Kg2) 19. exf5? { (1.37 → 0.13) Mistake. Qb3 was best. } (19. Qb3 b5 20. dxc6+ Kh8 21. Kh1 Qb6 22. Ne6 Nxe6 23. Qxe6 Rf6 24. Qxe7 Qxc6 25. exf5 Re8) 19... Nxf5? { (0.13 → 1.44) Mistake. Qb6+ was best. } (19... Qb6+ 20. Qd4 Qxd4+ 21. cxd4 Nxf5 22. dxc6 Nxd4 23. cxb7 Rab8 24. Nd3 Ne2+ 25. Kh1 Rxf1+ 26. Rxf1) 20. dxc6 Qxd1 21. Raxd1?? { (1.37 → -1.50) Blunder. Rfxd1 was best. } (21. Rfxd1 bxc6 22. Ne6 Rf6 23. Re1 a5 24. Rad1 h6 25. Rd7 a4 26. Rc7 g5 27. Re2 Kf7) 21... bxc6?? { (-1.50 → 1.77) Blunder. Ne3 was best. } (21... Ne3 22. cxb7 Rab8 23. Rd3 Nxf1 24. Ne6 Rf5 25. g4 Rf6 26. Nc5 Rd6 27. Kxf1 Rxd3 28. Nxd3) 22. Ne6 Rf6 23. Nd4? { (1.48 → 0.21) Mistake. Rfe1 was best. } (23. Rfe1 a5) 23... Rd6?? { (0.21 → 3.51) Blunder. Ne3 was best. } (23... Ne3) 24. Nxf5 Rxd1?? { (3.39 → 7.50) Blunder. gxf5 was best. } (24... gxf5 25. Rxd6 exd6 26. Rxf5 a5 27. Rf6 Rd8 28. Rf4 Rb8 29. b3 Rb5 30. Kf2 Rc5 31. Rc4) 25. Rxd1?? { (7.50 → 0.60) Blunder. Nxe7+ was best. } (25. Nxe7+ Kg7) 25... gxf5 26. b4?! { (0.58 → 0.00) Inaccuracy. Rd4 was best. } (26. Rd4 Kf7) 26... Rd8?? { (0.00 → 9.53) Blunder. Kf7 was best. } (26... Kf7 27. a3 a5 28. Rd4 Ke6 29. Rc4 Kd6 30. Rd4+) 27. Rxd8+ Kf7 28. a4 e5 29. Rd6 Ke7 30. Rxc6 e4 31. Rxa6 Kd7 32. Rf6 Ke7 33. Rxf5 Ke6 34. Rh5 Kf6 35. Rxh7 Kf5?! { (75.08 → Mate in 17) Checkmate is now unavoidable. e3 was best. } (35... e3 36. Rh3 Ke6 37. Rxe3+ Kd5 38. a5 Kc6 39. h4 Kb7 40. h5 Kb8 41. h6 Ka7 42. h7) 36. Re7 Kf4 37. a5 Ke3 38. a6 Kd3 39. b5 e3 40. a7 Kd2 41. a8=Q e2 42. Qe4 { Black resigns. } 1-0