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Puzzles (3 cohencoins award for each match):

Puzzle LQSFe: 753

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/xFVIn0vl"] [Date "2026.03.13"] [White "David3"] [Black "RoWaN"] [Result "0-1"] [UTCDate "2026.03.13"] [UTCTime "20:16:12"] [WhiteElo "1453"] [BlackElo "1729"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+3"] [WhiteTitle "IM🔱"] [BlackTitle "NM🎼"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B06"] [Opening "Modern Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 g6 { B06 Modern Defense } 2. Nf3 Bg7 3. Bc4 e6 4. O-O Ne7 5. d4 d5 6. exd5 exd5 7. Bb3 O-O 8. Bg5 c6 9. c3 Re8 10. Re1 Nd7 11. Bc2 Nf6 12. Nbd2 Nf5 13. Rxe8+ Qxe8 14. Nb3 b6 15. Qd2?! { (0.45 → -0.09) Inaccuracy. h3 was best. } (15. h3 a5 16. Nbd2 c5 17. Bf4 a4 18. Rc1 Ne4 19. a3 Bb7 20. Nf1 Qc6 21. g4) 15... Nd6 16. Re1 Nde4?! { (0.64 → 1.39) Inaccuracy. Qd7 was best. } (16... Qd7 17. Bxf6 Bxf6 18. Ne5 Qc7 19. Qf4 Qe7 20. h4 Bf5 21. Bxf5 Nxf5 22. h5 Ng7 23. hxg6) 17. Qf4?! { (1.39 → 0.42) Inaccuracy. Bxf6 was best. } (17. Bxf6 Bxf6 18. Qf4 Bg7 19. Ng5 Qe7 20. Nxe4 Bd7 21. Re2 dxe4 22. Bxe4 Rc8 23. Nd2 c5) 17... Bf5?? { (0.42 → 2.15) Blunder. Qf8 was best. } (17... Qf8 18. Bh4 Be6 19. Ng5 Nxg5 20. Bxg5 Nh5 21. Qc7 Qc8 22. Qxc8+ Rxc8 23. Bd3 Bf8 24. Ba6) 18. Nfd2? { (2.15 → 0.81) Mistake. Bxf6 was best. } (18. Bxf6 Bxf6) 18... Nh5 19. Qh4?? { (1.12 → -4.33) Blunder. Qe3 was best. } (19. Qe3 Nd6 20. Qxe8+ Rxe8 21. Rxe8+ Nxe8 22. Bxf5 gxf5 23. Nf3 f6 24. Bd2 Bf8 25. Nc1 Nd6) 19... f6?! { (-4.33 → -3.44) Inaccuracy. f6 was best. } (19... f6 20. Nxe4 fxg5 21. Qxg5 dxe4 22. f3 Be6 23. fxe4 Qf8 24. Rf1 Bf6 25. Qd2 Qe7 26. d5) 20. Bf4?? { (-3.44 → -7.69) Blunder. Bxe4 was best. } (20. Bxe4 dxe4 21. Be3 g5 22. Bxg5 fxg5 23. Qxg5 Qg6 24. Qxg6 Bxg6 25. Nxe4 Re8 26. f3 Nf6) 20... Nxf4?? { (-7.69 → 1.76) Blunder. g5 was best. } (20... g5 21. Qxh5 Qxh5 22. Be3 Nd6 23. Bxf5 Nxf5 24. Nf1 Nd6 25. Ng3 Qg6 26. f4 h5 27. Nf1) 21. Qxf4 Qb8 22. Qxb8+ Rxb8 23. f3?? { (1.49 → -0.08) Blunder. Nxe4 was best. } (23. Nxe4 dxe4) 23... Nd6 24. Bxf5 Nxf5 25. Nf1 Kf7 26. Ng3 Nxg3?! { (-0.94 → -0.43) Inaccuracy. Nd6 was best. } (26... Nd6 27. Nc1 Bh6 28. Nd3 c5 29. dxc5 bxc5 30. Re2 Rb5 31. a4 Ra5 32. Nf1 Nb7 33. b3) 27. hxg3 h5 28. Nd2 Bh6 29. f4 g5 30. Rf1?? { (0.00 → -2.21) Blunder. fxg5 was best. } (30. fxg5 Bxg5 31. Nf3 Re8 32. Nxg5+ fxg5 33. Rxe8 Kxe8 34. g4 h4 35. b4 Kd7 36. g3 hxg3) 30... g4?? { (-2.21 → -0.31) Blunder. gxf4 was best. } (30... gxf4) 31. c4?? { (-0.31 → -2.22) Blunder. Kf2 was best. } (31. Kf2 Bf8) 31... Re8 32. cxd5 cxd5 33. Nb1 Re4 34. Nc3?! { (-2.83 → -3.82) Inaccuracy. Rd1 was best. } (34. Rd1 Re2) 34... Rxd4 35. Nb5?! { (-4.01 → -5.09) Inaccuracy. Rd1 was best. } (35. Rd1 Rxd1+) 35... Ra4?! { (-5.09 → -3.88) Inaccuracy. Rd2 was best. } (35... Rd2 36. b4 Bf8 37. a3 Rd3 38. Nxa7 Rxg3 39. Rd1 Rxa3 40. Nc6 Bd6 41. Rxd5 Bxf4 42. Rxh5) 36. Nd6+ Ke6 37. Nb5 Rxa2 38. Nc3?! { (-4.66 → -7.07) Inaccuracy. Re1+ was best. } (38. Re1+ Kf7 39. Nd6+ Kg8 40. Ne8 d4 41. Nxf6+ Kf7 42. Ne4 Rxb2 43. Nd6+ Kg8 44. Nc4 Rc2) 38... Rxb2 39. Re1+ Kf7 40. Nxd5 Bf8 41. Nc7 a5 42. Ne6 Rd2 43. Nxf8 Kxf8 44. Rb1 a4?! { (-7.46 → -4.50) Inaccuracy. Rd6 was best. } (44... Rd6 45. Kf2 Ke8 46. Rb5 Kd7 47. Rxh5 a4 48. Rh4 f5 49. Rh5 Ke6 50. Ke2 b5 51. Rh6+) 45. Rxb6 a3?? { (-4.02 → -1.48) Blunder. h4 was best. } (45... h4) 46. Ra6?? { (-1.48 → -7.26) Blunder. Rxf6+ was best. } (46. Rxf6+ Ke7 47. Ra6 a2 48. Kh2 Kd8 49. Ra8+ Kc7 50. Ra7+ Kb6 51. Ra4 Rf2 52. Kg1 Rb2) 46... a2 47. Ra8+ Ke7 48. Ra7+ Ke6 49. f5+ Kxf5 50. Ra5+ Kg6 51. Kf1 Rd1+ 52. Ke2 a1=Q 53. Rxa1 Rxa1 54. Ke3 Ra3+ 55. Kf4 f5 56. Ke5 Rxg3 { White resigns. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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