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Puzzles (3 cohencoins award for each match):

Puzzle Ukdyo: 949

IM Jhaedon (1218) +19
FEN
[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/Ta7Fq9NU"] [Date "2026.07.20"] [White "Jhaedon"] [Black "Caroline1"] [Result "1-0"] [UTCDate "2026.07.20"] [UTCTime "15:03:31"] [WhiteElo "1218"] [BlackElo "1423"] [WhiteRatingDiff "+19"] [BlackRatingDiff "-14"] [WhiteTitle "IM"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B50"] [Opening "Sicilian Defense: Modern Variations"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Nf3 d6 { B50 Sicilian Defense: Modern Variations } 3. Bc4?! { (0.53 → -0.16) Inaccuracy. d4 was best. } (3. d4 Nf6) 3... Nc6?! { (-0.16 → 0.37) Inaccuracy. Nf6 was best. } (3... Nf6 4. Nc3 e6 5. d4 cxd4 6. Nxd4 a6 7. a4 Be7 8. O-O Qc7 9. Bd3 O-O 10. h3) 4. d4 cxd4 5. Nxd4 Nxd4?! { (0.27 → 1.06) Inaccuracy. Nf6 was best. } (5... Nf6 6. Nc3 e6 7. Be3 a6 8. Nxc6 bxc6 9. Qe2 d5 10. O-O-O Qc7 11. Bb3 Be7 12. g4) 6. Qxd4 e5?! { (1.03 → 2.05) Inaccuracy. e6 was best. } (6... e6 7. Nc3 a6 8. Bb3 Nf6 9. Bg5 h6 10. Bh4 Be7 11. O-O-O b5 12. f4 O-O 13. Rhe1) 7. Qd1?! { (2.05 → 1.05) Inaccuracy. Qd3 was best. } (7. Qd3 Ne7 8. Nc3 Nc6 9. Be3 Be7 10. Nd5 O-O 11. O-O-O Bg4 12. f3 Be6 13. Kb1 Bg5) 7... Nf6 8. Bg5 Be7 9. Nc3 h6 10. Bxf6 Bxf6 11. Bb5+ Bd7?! { (1.63 → 2.66) Inaccuracy. Kf8 was best. } (11... Kf8 12. Qd3) 12. Bxd7+?! { (2.66 → 2.00) Inaccuracy. Qxd6 was best. } (12. Qxd6 Bxb5 13. Qxd8+ Rxd8 14. Nxb5 O-O 15. Rd1 a6 16. Nd6 Be7 17. Nf5 Rxd1+ 18. Kxd1 Bg5) 12... Qxd7 13. O-O O-O 14. h3 Rad8?! { (1.13 → 1.71) Inaccuracy. Rac8 was best. } (14... Rac8) 15. Qd3 Rfe8 16. Rad1 a6 17. Nd5 Bg5 18. Ne3?? { (1.73 → 0.00) Blunder. c4 was best. } (18. c4 b5) 18... b5? { (0.00 → 1.20) Mistake. Bxe3 was best. } (18... Bxe3 19. fxe3 Re6 20. c4 Rc8 21. Rf2 Rg6 22. Kh2 Rc7 23. Rdd2 b5 24. Rc2 bxc4 25. Rxc4) 19. Ng4?! { (1.20 → 0.18) Inaccuracy. Nd5 was best. } (19. Nd5 Rf8) 19... Re6 20. g3 h5 21. h4? { (0.18 → -0.83) Mistake. Nh2 was best. } (21. Nh2 Rc8 22. Nf3 Bh6 23. c3 g6 24. h4 Rc5 25. Ng5 Bxg5 26. hxg5 Rc4 27. Qe3) 21... hxg4 22. hxg5 Rg6 23. c4 bxc4 24. Qxc4 Rxg5 25. Qxa6 Qe8? { (0.15 → 1.71) Mistake. f5 was best. } (25... f5 26. Qc4+) 26. Rxd6 Rxd6 27. Qxd6 Qa8? { (1.90 → 3.73) Mistake. Rh5 was best. } (27... Rh5 28. Qd1) 28. a3?! { (3.73 → 2.33) Inaccuracy. Qd5 was best. } (28. Qd5 Qb8) 28... Qxe4?? { (2.33 → 9.67) Blunder. Rh5 was best. } (28... Rh5) 29. Qd8+ Kh7 30. Qxg5 f6 31. Qh4+ Kg8 32. Qh1 Qe2 33. Qd5+ Kh7 34. b4 g5 35. Qf7+ Kh6 36. Qxf6+ Kh5 37. Qh8+ Kg6 38. Qe8+ Kf5?! { (28.35 → Mate in 7) Checkmate is now unavoidable. Kf6 was best. } (38... Kf6 39. Rc1) 39. b5?! { (Mate in 7 → 13.55) Lost forced checkmate sequence. Qf7+ was best. } (39. Qf7+ Ke4 40. Qd7 Qd2 41. Qxd2 Kf5 42. Qd7+ Kf6 43. Rd1 e4 44. Rd6+ Ke5 45. Qe6#) 39... Qb2?! { (13.55 → Mate in 8) Checkmate is now unavoidable. e4 was best. } (39... e4 40. b6) 40. a4?! { (Mate in 8 → 14.06) Lost forced checkmate sequence. Qf7+ was best. } (40. Qf7+ Ke4 41. Qg6+ Kd4 42. Rd1+ Kc4 43. Qd3+ Kc5 44. Qd5+ Kb6 45. Qc6+ Ka7 46. Rd7+ Kb8) 40... Qa2 41. b6 Qb2?! { (25.39 → Mate in 9) Checkmate is now unavoidable. Qb2 was best. } (41... Qb2 42. Qc8+) 42. a5?! { (Mate in 9 → 18.99) Lost forced checkmate sequence. Qf7+ was best. } (42. Qf7+ Ke4 43. b7 Qb6 44. Qd7 Qd4 45. Qh7+ Kd5 46. b8=Q Qxa4 47. Qd3+ Qd4 48. Qb7+ Kd6) 42... e4?! { (18.99 → Mate in 19) Checkmate is now unavoidable. e4 was best. } (42... e4 43. Qc8+) 43. Qf7+?! { (Mate in 19 → 63.56) Lost forced checkmate sequence. Qf7+ was best. } { Black resigns. } (43. Qf7+ Qf6 44. Qxf6+ Kxf6 45. b7 Ke6 46. b8=Q Ke7 47. Qg8 e3 48. fxe3 Kd6 49. Rd1+ Kc7) 1-0
RapidOverall
1010100110100101101001100110
95
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