Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/9cerDzlK"]
[Date "2026.09.20"]
[White "Rishi"]
[Black "Vladimir"]
[Result "0-1"]
[UTCDate "2026.09.20"]
[UTCTime "17:54:29"]
[WhiteElo "1462"]
[BlackElo "1342"]
[WhiteRatingDiff "-14"]
[BlackRatingDiff "+13"]
[WhiteTitle "GM"]
[BlackTitle "GM🦑"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C44"]
[Opening "King's Knight Opening: Normal Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 { C44 King's Knight Opening: Normal Variation } 3. Bd3 Nf6 4. O-O Bc5 5. Nc3 Ng4? { (0.07 → 1.22) Mistake. O-O was best. } (5... O-O 6. Nd5 Nxd5 7. exd5 Nb4 8. Bc4 e4 9. d4 exf3 10. dxc5 Qh4 11. Bb3 fxg2 12. Re1) 6. Bb5 Nd4?? { (0.89 → 3.86) Blunder. O-O was best. } (6... O-O 7. h3) 7. Nxd4 exd4? { (3.15 → 6.40) Mistake. Nxf2 was best. } (7... Nxf2 8. Kxf2 c6 9. Qh5 Qe7 10. Bd3 Bxd4+ 11. Ke1 O-O 12. Be2 d5 13. exd5 f5 14. dxc6) 8. Ne2?? { (6.40 → -3.00) Blunder. Qxg4 was best. } (8. Qxg4) 8... d3? { (-3.00 → -1.66) Mistake. Qh4 was best. } (8... Qh4 9. h3 Nxf2 10. Rxf2 d3 11. Qe1 dxe2 12. Qxe2 Qxf2+ 13. Qxf2 Bxf2+ 14. Kxf2 a6 15. Bc4) 9. cxd3?? { (-1.66 → -6.83) Blunder. Nf4 was best. } (9. Nf4 Qh4 10. Nh3 O-O 11. b4 Bxb4 12. Bxd3 d5 13. exd5 Re8 14. Bb2 Nxh2 15. Kxh2 Bg4) 9... Qh4 10. h3 Ne5?? { (-6.92 → 4.30) Blunder. Nxf2 was best. } (10... Nxf2 11. Rxf2 Bxf2+ 12. Kh2 O-O 13. Ba4 d5 14. b4 Bg4 15. Bb2 Rad8 16. e5 Bxe2 17. Qxe2) 11. d4?! { (4.30 → 3.29) Inaccuracy. d4 was best. } (11. d4) 11... Bxd4?? { (3.29 → 9.17) Blunder. Nf3+ was best. } (11... Nf3+ 12. gxf3) 12. Nxd4 c6 13. Bc4?! { (9.69 → 5.29) Inaccuracy. Nf5 was best. } (13. Nf5 Qf6 14. d4 Ng6 15. Be2 d5 16. Ng3 O-O 17. Bg4 Ne5 18. dxe5 Qxe5 19. f4 Qf6) 13... d6?! { (5.29 → 8.75) Inaccuracy. Nxc4 was best. } (13... Nxc4 14. Nf5) 14. Nf5?? { (8.75 → 2.53) Blunder. Nf3 was best. } (14. Nf3 Qxe4 15. Bxf7+ Nxf7 16. Re1 Qxe1+ 17. Qxe1+ Kf8 18. d4 Bxh3 19. gxh3 g5 20. Qa5 Kg7) 14... Bxf5 15. d4?? { (2.32 → 0.03) Blunder. exf5 was best. } (15. exf5) 15... Nxc4 16. exf5 c5?? { (-0.21 → 9.21) Blunder. O-O was best. } (16... O-O 17. Qg4 Qxg4 18. hxg4 Rfe8 19. f3 Re2 20. Rf2 Rae8 21. b3 Re1+ 22. Rf1 Rxf1+ 23. Kxf1) 17. dxc5?! { (9.21 → 5.23) Inaccuracy. Qe2+ was best. } (17. Qe2+ Kf8) 17... dxc5?! { (5.23 → 8.19) Inaccuracy. O-O was best. } (17... O-O 18. b3) 18. Qe2+ Kd7 19. Qd3+?! { (7.92 → 5.09) Inaccuracy. Rd1+ was best. } (19. Rd1+) 19... Kc6?! { (5.09 → 7.71) Inaccuracy. Kc7 was best. } (19... Kc7 20. g4) 20. Qf3+ Kb6 { Black offers draw } 21. f6?! { (7.61 → 5.59) Inaccuracy. Bf4 was best. } (21. Bf4 Rad8 22. Qb3+ Kc6 23. g3 Qxf4 24. gxf4 Na5 25. Qxf7 Rd7 26. Qe6+ Kc7 27. Qe5+ Kc8) 21... gxf6 22. b3? { (6.71 → 3.69) Mistake. Bf4 was best. } (22. Bf4 Rad8 23. b4 Rd4 24. Bg3 Qg5 25. bxc5+ Ka6 26. h4 Qg6 27. c6 b6 28. Rad1 Rxd1) 22... Ne5 23. Bf4?? { (4.07 → -17.49) Blunder. Qf5 was best. } (23. Qf5 Rhg8 24. Rd1 Rad8 25. Be3 Ka6 26. Rxd8 Rxd8 27. a3 Nc6 28. Qxc5 Qe4 29. b4 Rd5) 23... Nxf3+ 24. gxf3?! { (-14.85 → Mate in 6) Checkmate is now unavoidable. Kh1 was best. } (24. Kh1 Qxf4) 24... Qxf4?! { (Mate in 6 → -16.00) Lost forced checkmate sequence. Rag8+ was best. } (24... Rag8+ 25. Bg3 Rxg3+ 26. fxg3 Qxg3+ 27. Kh1 Rg8 28. Rf2 Qxf2 29. Rd1 Qg2#) 25. Rae1?! { (-16.00 → Mate in 3) Checkmate is now unavoidable. Rfe1 was best. } { White offers draw } (25. Rfe1 Rag8+) 25... Rhg8+ 26. Kh1 Rg7 27. Rg1 Rxg1+ 28. Kxg1 Rg8+ 29. Kf1 Qh2 30. Ke2 Re8+ 31. Kd1 Qd6+ 32. Kc2 Rxe1 33. Kc3 Qd4+ 34. Kc2 Qxf2+ 35. Kc3 Qxf3+ 36. Kc4 Qf4+ 37. Kd3 Re3+ 38. Kd2 Qf2+ 39. Kc1 { White resigns. } 0-1