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Puzzles (3 cohencoins award for each match):

Puzzle d1ch6: 853

Puzzle mi5Z1: 638

GM Drew (1661) +21
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Ht72djhu"] [Date "2026.04.15"] [White "Drew"] [Black "Wali"] [Result "1-0"] [UTCDate "2026.04.15"] [UTCTime "23:12:23"] [WhiteElo "1661"] [BlackElo "1842"] [WhiteRatingDiff "+21"] [BlackRatingDiff "-11"] [WhiteTitle "GM"] [BlackTitle "GM🏆"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D06"] [Opening "Queen's Gambit Declined: Marshall Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. c4 Nf6?! { (0.37 → 0.88) Inaccuracy. e6 was best. } { D06 Queen's Gambit Declined: Marshall Defense } (2... e6 3. Nf3 Nf6 4. cxd5 exd5 5. Nc3 c6 6. Bf4 Be7 7. e3 O-O 8. h3 Bf5 9. Rc1) 3. Nc3?! { (0.88 → 0.10) Inaccuracy. cxd5 was best. } (3. cxd5 g6 4. Nf3 Bg7 5. Qa4+ c6 6. dxc6 Nxc6 7. Nc3 Bf5 8. e3 a6 9. Ne5 O-O) 3... Bf5?! { (0.10 → 0.84) Inaccuracy. dxc4 was best. } (3... dxc4 4. Nf3 a6 5. a4 Bf5 6. e3 e6 7. Bxc4 c5 8. d5 exd5 9. Nxd5 Nc6 10. O-O) 4. Bf4?! { (0.84 → 0.09) Inaccuracy. cxd5 was best. } (4. cxd5 Nxd5 5. g3 Nxc3 6. bxc3 Be4 7. f3 Bc6 8. e4 e6 9. Bd3 Be7 10. a4 O-O) 4... Nc6?! { (0.09 → 0.71) Inaccuracy. e6 was best. } (4... e6 5. e3 Bb4 6. Qa4+ Nc6 7. Bg5 O-O 8. Nf3 h6 9. Bxf6 Qxf6 10. cxd5 Bxc3+ 11. bxc3) 5. Nf3 e6 6. e3 Nh5?! { (0.50 → 1.24) Inaccuracy. Bb4 was best. } (6... Bb4 7. Rc1 O-O 8. Bg5 h6 9. Bxf6 Qxf6 10. cxd5 exd5 11. a3 Bxc3+ 12. Rxc3 Qd6 13. Be2) 7. Bg3 Nb4?! { (1.18 → 2.25) Inaccuracy. Nxg3 was best. } (7... Nxg3 8. hxg3 Bb4 9. cxd5 exd5 10. Bd3 Bxc3+ 11. bxc3 Qd7 12. c4 Bxd3 13. Qxd3 O-O-O 14. cxd5) 8. Qa4+?? { (2.25 → 0.08) Blunder. Rc1 was best. } (8. Rc1 Nxg3 9. hxg3 dxc4 10. Bxc4 Nd5 11. Bxd5 exd5 12. Qb3 Rb8 13. Qxd5 Qxd5 14. Nxd5 c6) 8... c6 9. Rc1 dxc4?! { (-0.32 → 0.64) Inaccuracy. dxc4 was best. } (9... dxc4) 10. Bxc4?! { (0.64 → 0.00) Inaccuracy. Bh4 was best. } (10. Bh4 Be7 11. Bxc4 Bd3 12. Bxe7 Qxe7 13. Qb3 Bxc4 14. Qxc4 O-O 15. O-O Nd5 16. Qb3 Nhf6) 10... Bd3 11. Ne5?? { (-0.26 → -3.26) Blunder. Bh4 was best. } (11. Bh4 Nf6 12. a3 Bxc4 13. axb4 Qb6 14. Ne5 Ba6 15. b5 Bxb5 16. Nxb5 cxb5 17. Qb3 Bd6) 11... Bxc4 12. Nxc4 Nd3+ 13. Ke2 Nxc1+?! { (-3.59 → -2.54) Inaccuracy. b5 was best. } (13... b5 14. Nxb5) 14. Rxc1 Nxg3+?! { (-2.95 → -2.14) Inaccuracy. Nxg3+ was best. } (14... Nxg3+ 15. hxg3 Be7 16. Qb3 Rb8 17. g4 O-O 18. Ne4 Qd5 19. f3 Qb5 20. Qc2 f5 21. Nf2) 15. hxg3?! { (-2.14 → -2.90) Inaccuracy. hxg3 was best. } (15. hxg3) 15... b5?? { (-2.90 → -0.46) Blunder. Be7 was best. } (15... Be7 16. Qb3 Rb8 17. Rh1 O-O 18. g4 c5 19. dxc5 Bxc5 20. f4 Be7 21. Ne5 Bd6 22. Nf3) 16. Nxb5?? { (-0.46 → -2.87) Blunder. Qa6 was best. } (16. Qa6 Rb8) 16... cxb5 17. Qxb5+ Qd7 18. Qa6 Qd8?? { (-2.91 → 8.00) Blunder. Rb8 was best. } (18... Rb8 19. Ne5) 19. Ne5?? { (8.00 → -5.69) Blunder. Qc6+ was best. } (19. Qc6+ Ke7) 19... Rb8?? { (-5.69 → Mate in 7) Checkmate is now unavoidable. Bd6 was best. } (19... Bd6 20. Qb5+ Kf8 21. Nc6 Qb6 22. a4 h5 23. e4 Qxb5+ 24. axb5 Ke8 25. b4 Kd7 26. Ke3) 20. Kd3?? { (Mate in 7 → -2.73) Lost forced checkmate sequence. Qa4+ was best. } (20. Qa4+ Ke7 21. Qxa7+ Rb7 22. Qxb7+ Qc7 23. Rxc7+ Kf6 24. Qf3+ Kg5 25. Qg4+ Kf6 26. Rxf7#) 20... Qb6?? { (-2.73 → 7.24) Blunder. Bd6 was best. } (20... Bd6 21. Nc6 Rb6 22. Qxa7 Bb8 23. Nxd8 Bxa7 24. Nxe6 Kd7 25. Nc5+ Ke7 26. Na4 Ra6 27. b3) 21. Rc8+ Ke7 22. Qa3+?? { (7.11 → -1.92) Blunder. Nc6+ was best. } (22. Nc6+ Kf6) 22... Kf6 23. Nd7+ Kg6 24. Rxb8?? { (-2.24 → -4.72) Blunder. Qa4 was best. } (24. Qa4 Qb5+ 25. Qxb5 Rxb5 26. Nxf8+ Kh6 27. Rd8 Rxb2 28. Nxe6 Rxd8 29. Nxd8 g6 30. Nxf7+ Kg7) 24... Bxa3? { (-4.72 → -2.59) Mistake. Qxb8 was best. } (24... Qxb8 25. Qa5 Qb7 26. Ne5+ Kf6 27. Qd8+ Qe7 28. Nd7+ Kg5 29. Qa5+ Kh6 30. g4 g5 31. Qe5) 25. Rxb6 axb6 26. bxa3 Ra8 27. Ne5+ Kf6 28. Nc4?? { (-3.05 → -6.68) Blunder. Kc3 was best. } (28. Kc3 Rxa3+) 28... h5?? { (-6.68 → -2.62) Blunder. b5 was best. } (28... b5 29. Nd6 Rxa3+ 30. Kc2 Rxa2+ 31. Kb3 Re2 32. Ne4+ Ke7 33. g4 Re1 34. g5 Rb1+ 35. Ka3) 29. Kc2?! { (-2.62 → -3.62) Inaccuracy. Nxb6 was best. } { White offers draw } (29. Nxb6 Rxa3+) 29... b5 30. Nd2 Rxa3 31. Ne4+?! { (-3.21 → -4.18) Inaccuracy. Kb2 was best. } (31. Kb2 Ra8 32. Ne4+ Ke7 33. Kb3 Kd7 34. a3 Kc6 35. Nc3 Rb8 36. Kb4 f6 37. Ne2 e5) 31... Ke7 32. Kb2 Ra4? { (-4.07 → -2.40) Mistake. Rd3 was best. } (32... Rd3 33. Kc2) 33. Nc5? { (-2.40 → -4.09) Mistake. Nc3 was best. } (33. Nc3 Rb4+ 34. Kc2 Kd7 35. a3 Rc4 36. Kd3 f6 37. a4 Rb4 38. axb5 Rb2 39. Ne4 Rxb5) 33... Rc4 34. Kb3?! { (-3.72 → -5.85) Inaccuracy. Nd3 was best. } (34. Nd3 g5 35. a3 f6 36. Nc1 e5 37. dxe5 fxe5 38. Na2 Rg4 39. Nc3 h4 40. Nxb5 hxg3) 34... f5?? { (-5.85 → 0.00) Blunder. Rc1 was best. } (34... Rc1 35. Nd3) 35. a4 bxa4+?? { (-0.02 → 7.32) Blunder. Kd6 was best. } (35... Kd6 36. a5) 36. Kxc4 g5 37. Nxa4 h4 38. gxh4 gxh4 39. Nc3 Kd6 40. Ne2 e5 41. dxe5+ Kxe5 42. Nf4 Kf6 43. Kd5 Kg5 44. Ne6+ Kg4 45. f3+ Kg3 46. Nf4 Kf2 47. Ke5 Kxe3 48. Nh3 Ke2 49. Kxf5 Ke3 50. Kg4 Ke2 51. Kxh4 Kd3 52. f4 Kd4 53. f5 Kd5 54. Kg5 Ke5 55. Kg6 Kd6 56. f6 Ke6 57. f7 { Black resigns. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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