Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/MW7vfxmj"]
[Date "2025.10.25"]
[White "Vladimir"]
[Black "Ivan"]
[Result "1-0"]
[UTCDate "2025.10.25"]
[UTCTime "17:31:39"]
[WhiteElo "1355"]
[BlackElo "1396"]
[WhiteRatingDiff "+17"]
[BlackRatingDiff "-24"]
[WhiteTitle "GM🐧"]
[BlackTitle "NM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C47"]
[Opening "Four Knights Game: Scotch Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 { C47 Four Knights Game: Scotch Variation } d6?! { (0.13 → 0.70) Inaccuracy. exd4 was best. } (4... exd4 5. Nxd4) 5. d5 Nb4 6. Bg5?! { (1.46 → 0.75) Inaccuracy. h3 was best. } (6. h3 Be7) 6... Be7 7. Bxf6 Bxf6 8. a3 Na6 9. Bxa6 bxa6 10. O-O? { (1.11 → 0.05) Mistake. Qe2 was best. } (10. Qe2 Bg5) 10... Bb7 11. Na4 O-O 12. Ne1?! { (0.82 → 0.11) Inaccuracy. c4 was best. } (12. c4 Be7 13. Nd2 Bc8 14. b4 Qe8 15. Nc3 f5 16. exf5 Bxf5 17. Qe2 Qg6 18. Nde4 a5) 12... Qd7 13. Nc3?! { (0.52 → -0.34) Inaccuracy. c4 was best. } (13. c4 Bd8 14. Nc3 f5 15. Nd3 a5 16. b4 Bc8 17. f3 Qe8 18. Qe2 Bg5 19. b5 a6) 13... Rab8 14. Nf3 Ba8?! { (-0.23 → 0.41) Inaccuracy. Bd8 was best. } (14... Bd8) 15. Qd2? { (0.41 → -0.85) Mistake. b3 was best. } (15. b3 c6 16. dxc6 Qxc6 17. Nd5 Bd8 18. c4 Qd7 19. Qd3 f5 20. Nd2 Bb6 21. Nxb6 axb6) 15... Rxb2 16. g3?! { (-1.10 → -1.80) Inaccuracy. Nd1 was best. } (16. Nd1 Rb6) 16... Rb6 17. Nh4?? { (-1.45 → -4.91) Blunder. Nd1 was best. } (17. Nd1 Qg4) 17... Bxh4 18. gxh4 Qg4+ 19. Kh1 Qxh4?! { (-4.94 → -3.86) Inaccuracy. Qf3+ was best. } (19... Qf3+ 20. Kg1 f5 21. Rae1 Qg4+ 22. Kh1 fxe4 23. Rg1 Qf4 24. Qxf4 Rxf4 25. h5 Kf8 26. Rg3) 20. Na4?? { (-3.86 → -9.36) Blunder. f4 was best. } (20. f4 f5 21. Qe3 fxe4 22. fxe5 Rxf1+ 23. Rxf1 dxe5 24. Qc5 Rf6 25. Rxf6 Qxf6 26. h3 Qd6) 20... Rb3?? { (-9.36 → 4.74) Blunder. Qxe4+ was best. } (20... Qxe4+ 21. f3 Qxa4 22. c4 Qxc4 23. Rac1 Qb3 24. Rxc7 Qxa3 25. Rc2 Rb3 26. Qd1 Qa5 27. Rd2) 21. cxb3 Rb8?! { (5.02 → 8.28) Inaccuracy. f5 was best. } (21... f5 22. exf5 c6 23. dxc6 Bxc6+ 24. f3 Qh3 25. Qd3 Ba8 26. Nc3 Rxf5 27. Ne4 d5 28. Nf2) 22. b4?! { (8.28 → 5.87) Inaccuracy. f3 was best. } (22. f3 Rxb3 23. Rab1 Qh3 24. Qg2 Qxg2+ 25. Kxg2 Rb6 26. Kf2 Bxd5 27. exd5 Rxb1 28. Rxb1 f5) 22... Qxe4+ 23. Kg1?? { (5.76 → -7.30) Blunder. f3 was best. } (23. f3) 23... Bxd5?? { (-7.30 → 3.75) Blunder. Qg4+ was best. } (23... Qg4+ 24. Kh1 Qf3+ 25. Kg1 Bxd5 26. Qxd5 Qxd5 27. f3 e4 28. Nc3 Qd4+ 29. Kh1 Qxc3 30. Rac1) 24. f3 Qxf3?? { (3.63 → 8.12) Blunder. Qg6+ was best. } (24... Qg6+) 25. Rxf3 Bxf3 26. Qf2 Bc6 27. Rf1 f6 28. Qxa7 Rb7 29. Qxa6 Bb5 30. Qxb7 { Black resigns. } 1-0