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Puzzles (3 cohencoins award for each match):

Puzzle AwmED: 630

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/2K8tahc9"] [Date "2025.10.03"] [White "Nathan4"] [Black "Islomjon"] [Result "1/2-1/2"] [UTCDate "2025.10.03"] [UTCTime "23:47:59"] [WhiteElo "1299"] [BlackElo "1366"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-2"] [WhiteTitle "GM"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C55"] [Opening "Italian Game: Two Knights Defense, Modern Bishop's Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 { C55 Italian Game: Two Knights Defense, Modern Bishop's Opening } Be7 5. Bg5 O-O 6. Nc3 Bb4?! { (-0.08 → 0.55) Inaccuracy. d6 was best. } (6... d6) 7. Bd2 Bxc3 8. Bxc3 d5 9. exd5 Nxd5 10. Nxe5?? { (0.08 → -8.69) Blunder. O-O was best. } (10. O-O Qd6 11. Re1 Bg4 12. h3 Nxc3 13. bxc3 Bxf3 14. Qxf3 Qa3 15. Bb5 Qxc3 16. Bxc6 bxc6) 10... Nxe5? { (-8.69 → -4.40) Mistake. Nxc3 was best. } (10... Nxc3 11. Qh5 Nxe5 12. Qxe5 Re8 13. d4 Rxe5+ 14. dxe5 Qd4 15. O-O Qxc4 16. bxc3 Qxc3 17. h3) 11. Bxe5 Nf6?? { (-4.08 → 3.14) Blunder. Re8 was best. } (11... Re8) 12. Qf3?? { (3.14 → 0.18) Blunder. O-O was best. } (12. O-O Nd5 13. Re1 c6 14. Qf3 Be6 15. a4 Qd7 16. h3 f6 17. Bc3 Rfe8 18. Bd2 Bf7) 12... Bg4?? { (0.18 → 3.34) Blunder. Re8 was best. } (12... Re8) 13. Qxb7?! { (3.34 → 2.12) Inaccuracy. Qf4 was best. } (13. Qf4 Re8 14. O-O Be6 15. Rfe1 Nd5 16. Qg3 f6 17. Bc3 c6 18. a4 Qb8 19. Qxb8 Raxb8) 13... Re8 14. d4?? { (1.81 → -7.15) Blunder. f4 was best. } (14. f4 Qd4) 14... Rb8?? { (-7.15 → 0.37) Blunder. Qxd4 was best. } (14... Qxd4 15. O-O Qxe5 16. Rfe1 Qa5 17. c3 Qc5 18. Qb3 Bh5 19. Qb5 Qd6 20. Rxe8+ Rxe8 21. Qxe8+) 15. Qxa7 c5?? { (0.09 → 8.29) Blunder. Ra8 was best. } (15... Ra8) 16. Qxc5?? { (8.29 → 0.11) Blunder. O-O was best. } (16. O-O) 16... Rxb2?? { (0.11 → 5.18) Blunder. Nd7 was best. } (16... Nd7 17. Qa3 Qc7 18. Qc3 Nxe5 19. dxe5 Rxe5+ 20. Kf1 Rc5 21. b3 Be6 22. Qg3 Bxc4+ 23. bxc4) 17. O-O Rxc2?! { (5.07 → 8.13) Inaccuracy. Nd7 was best. } (17... Nd7 18. Qa3) 18. Bxf6 gxf6 19. Qd5?? { (8.67 → 3.00) Blunder. Bxf7+ was best. } (19. Bxf7+ Kxf7 20. Qxc2 Kg7 21. Rac1 Bh3 22. Qc5 Qe7 23. gxh3 Kh6 24. Kh1 Qxc5 25. dxc5 Kg5) 19... Qxd5 20. Bxd5 Rd8 21. Bf3?? { (4.80 → 0.68) Blunder. Bb3 was best. } (21. Bb3 Rb2 22. d5 Be2 23. Rfc1 f5 24. Rc7 Kg7 25. h4 Rd2 26. Rac1 f4 27. R7c2 Rxc2) 21... Bxf3 22. gxf3 Rxd4 23. Rfd1?! { (0.79 → -0.01) Inaccuracy. a4 was best. } (23. a4 Rdd2) 23... Rh4? { (-0.01 → 1.07) Mistake. Rxd1+ was best. } (23... Rxd1+ 24. Rxd1 Rxa2 25. Rc1 h5 26. f4 f5 27. Rc5 Kg7 28. Rxf5 Ra4 29. Rxh5 Rxf4 30. Rh3) 24. Rd8+ Kg7 25. a4 f5?? { (0.36 → 2.20) Blunder. Rc5 was best. } (25... Rc5 26. a5 Rg5+ 27. Kh1 Rgh5 28. Ra3 Rxh2+ 29. Kg1 Rh1+ 30. Kg2 f5 31. Rd4 Kf6 32. a6) 26. a5 Rc7 27. a6 Ra7 28. Rd5?! { (2.06 → 1.03) Inaccuracy. Rd6 was best. } (28. Rd6 f6) 28... f4? { (1.03 → 2.57) Mistake. Rh6 was best. } (28... Rh6 29. Rda5 Rg6+ 30. Kf1 Re6 31. R1a4 Rd6 32. Ra2 Kh6 33. Ra1 Kg7 34. R1a4 Re6 35. Kg2) 29. Rf5? { (2.57 → 1.00) Mistake. Rd6 was best. } (29. Rd6 Rh5 30. Rb6 Rc5 31. Kg2 h5 32. Ra2 Rd5 33. Kh3 Rc5 34. Kh4 Rd5 35. Ra3 Rc5) 29... Kg6?? { (1.00 → 5.05) Blunder. Rh6 was best. } (29... Rh6 30. Rfa5 Rg6+ 31. Kh1 Rb6 32. R1a2 Rd6 33. Kg2 Rg6+ 34. Kf1 Re6 35. R5a4 Rd6 36. Ra1) 30. Rd5? { (5.05 → 2.81) Mistake. Rb5 was best. } (30. Rb5 Rh5 31. Rxh5 Kxh5 32. Kg2 Kh4 33. Ra4 Kg5 34. Kh3 f5 35. Ra5 h5 36. Ra1 h4) 30... Rh3? { (2.81 → 5.20) Mistake. Kg7 was best. } (30... Kg7 31. Rd6 Rh5 32. Rb6 Rc5 33. Ra2 Rg5+ 34. Kf1 h6 35. Ke2 Rd5 36. h4 Rdd7 37. Ra4) 31. Rd4?? { (5.20 → 1.33) Blunder. Kg2 was best. } (31. Kg2) 31... Kg5?? { (1.33 → 4.68) Blunder. Rxf3 was best. } (31... Rxf3 32. Rd6+ Kg5 33. Ra5+ f5 34. Kg2 Rb3 35. Ra4 Kg4 36. Rh6 Kg5 37. Re6 Rd3 38. Rb6) 32. Kg2?! { (4.68 → 3.14) Inaccuracy. Ra5+ was best. } (32. Ra5+ f5 33. Rdd5 Rxf3 34. Rxf5+ Kg6 35. Rfb5 h6 36. h4 Rc3 37. h5+ Kf6 38. Rb6+ Kg7) 32... Rh4? { (3.14 → 6.04) Mistake. Rh6 was best. } (32... Rh6) 33. h3? { (6.04 → 3.28) Mistake. Ra5+ was best. } { White offers draw } (33. Ra5+ f5) 33... f5 34. Ra5 h6?? { (2.84 → 8.94) Blunder. Rh6 was best. } (34... Rh6 35. h4+) 35. Rd6 { The game is a draw. } 1/2-1/2
Computer analysisMove timesCrosstableFEN & PGN
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