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Puzzles (3 cohencoins award for each match):

Puzzle sy0Bh: 677

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/axLEdjX0"] [Date "2026.01.28"] [White "LuNa"] [Black "Ioana"] [Result "1/2-1/2"] [UTCDate "2026.01.28"] [UTCTime "21:18:15"] [WhiteElo "822"] [BlackElo "857"] [WhiteRatingDiff "+2"] [BlackRatingDiff "-1"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C33"] [Opening "King's Gambit Accepted: Bishop's Gambit"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. f4? { (0.60 → -0.45) Mistake. Nf3 was best. } (2. Nf3 Nc6 3. Bb5 Nge7 4. O-O Ng6 5. d4 exd4 6. Nxd4 Bc5 7. Nf5 O-O 8. Nc3 a6) 2... exf4 3. Bc4 { C33 King's Gambit Accepted: Bishop's Gambit } Bd6? { (-0.55 → 0.60) Mistake. Nc6 was best. } (3... Nc6 4. d4 Nf6 5. Nc3 Bb4 6. Ne2 f3 7. gxf3 d5 8. exd5 Nxd5 9. O-O Nxc3 10. bxc3) 4. Qh5? { (0.60 → -0.77) Mistake. Nf3 was best. } (4. Nf3 c6) 4... g6?! { (-0.77 → 0.08) Inaccuracy. Qe7 was best. } (4... Qe7 5. Qe2 Nc6 6. Nf3 g5 7. h3 Nf6 8. Nc3 Be5 9. Nd5 Nxd5 10. exd5 Nd4 11. Nxd4) 5. Bxf7+?? { (0.08 → -4.53) Blunder. Qe2 was best. } (5. Qe2) 5... Kxf7 6. Qd5+ Ke7?? { (-5.82 → -0.36) Blunder. Kg7 was best. } (6... Kg7 7. b4 Qh4+ 8. Kf1 Qf6 9. Nc3 Be5 10. Qb3 Bxc3 11. dxc3 Qe7 12. c4 Nf6 13. e5) 7. d3?? { (-0.36 → -4.44) Blunder. Qd4 was best. } (7. Qd4 Nf6) 7... Nf6 8. Qb5 c6 9. Qg5?! { (-3.95 → -5.93) Inaccuracy. Qa4 was best. } (9. Qa4 Bc7 10. Nf3 Kf7 11. e5 Nh5 12. Bxf4 Re8 13. O-O Kg7) 9... Ke6?? { (-5.93 → -2.71) Blunder. Ke8 was best. } (9... Ke8) 10. e5?? { (-2.71 → -6.38) Blunder. Bxf4 was best. } (10. Bxf4 Bxf4 11. Qxf4 d6 12. Nf3 Kf7 13. Nbd2 Rf8 14. O-O Kg7 15. Nc4 Ne8 16. Qg3 Nd7) 10... Bxe5? { (-6.38 → -3.28) Mistake. Qa5+ was best. } (10... Qa5+) 11. Qh6?? { (-3.28 → -9.02) Blunder. Nf3 was best. } (11. Nf3 Bc7 12. O-O Kf7 13. Ne5+ Bxe5 14. Qxe5 Rf8 15. Qxf4 Kg8 16. Qh4 d5 17. Bh6 Rf7) 11... d6 12. Qg7 Rg8 13. Qxg8+ Qxg8 14. d4 Bxd4 15. c3 Bxc3+ 16. bxc3 d5 17. Bxf4 c5 18. Bxb8 g5 19. Bf4 Rb8?? { (-8.67 → -1.20) Blunder. gxf4 was best. } (19... gxf4) 20. Bxg5?? { (-1.20 → -9.79) Blunder. Bxb8 was best. } (20. Bxb8 b6) 20... Qxg5 21. g4 Qxg4 22. h3 Qd4?? { (-13.32 → 4.77) Blunder. Qe4+ was best. } (22... Qe4+ 23. Kf2 Qxh1 24. Nd2 Qh2+ 25. Ke3 Qe5+ 26. Kf2 Kd6 27. Rf1 Qxc3 28. Ngf3 Bxh3 29. Rb1) 23. cxd4 cxd4 24. Nc3?? { (4.53 → -0.66) Blunder. Nf3 was best. } (24. Nf3 d3 25. Nbd2 Bd7 26. O-O Rg8+ 27. Kh2 Kd6 28. Rae1 Ng4+ 29. hxg4 Bxg4 30. Kg3 Bxf3+) 24... Ne4?? { (-0.66 → 4.73) Blunder. dxc3 was best. } (24... dxc3 25. Ne2) 25. Nxe4 dxe4 26. Ne2 Bd7 27. Ng3?? { (6.17 → 1.57) Blunder. Nxd4+ was best. } (27. Nxd4+ Ke5 28. Rc1 Rc8 29. Rxc8 Bxc8 30. Ne2 Bxh3 31. Rxh3 Kd6 32. Rxh7 b6 33. Rxa7 e3) 27... Bc6? { (1.57 → 2.96) Mistake. Rg8 was best. } (27... Rg8 28. Rg1) 28. Nxe4?? { (2.96 → -0.57) Blunder. Rg1 was best. } (28. Rg1) 28... Bxe4 29. O-O?? { (-0.41 → -4.19) Blunder. Rg1 was best. } (29. Rg1 Rc8 30. Rg5 Rc3 31. Rd1 Re3+ 32. Kf2 Rf3+ 33. Ke2 d3+ 34. Kd2 Rxh3 35. Ra5 a6) 29... d3?? { (-4.19 → 0.00) Blunder. Rg8+ was best. } (29... Rg8+ 30. Kf2 Rg2+ 31. Ke1 Bd3 32. Rf4 Rg1+ 33. Kd2 Rxa1 34. Kxd3 Rxa2 35. Re4+ Kf6 36. Rf4+) 30. Rfd1?? { (0.00 → -4.40) Blunder. Kf2 was best. } (30. Kf2 Kd5 31. Ke3 Rg8 32. Rg1 Re8 33. Kd2 Bg6 34. Rae1 Rc8 35. Rc1 Rf8 36. Rcf1 Rc8) 30... d2?? { (-4.40 → 1.61) Blunder. Ke5 was best. } (30... Ke5 31. Rab1) 31. Rxd2 Bf5? { (1.60 → 2.89) Mistake. Rc8 was best. } (31... Rc8) 32. Re2+?! { (2.89 → 2.20) Inaccuracy. Re1+ was best. } (32. Re1+ Kf6) 32... Kd5 33. Rc1? { (2.55 → 0.93) Mistake. Rd2+ was best. } (33. Rd2+ Ke5) 33... Rg8+?? { (0.93 → 2.81) Blunder. Bxh3 was best. } (33... Bxh3 34. Rd2+ Ke6 35. Re1+ Kf6 36. Rd6+ Kf7 37. Kh2 Bf5 38. Re5 Bb1 39. Rd2 Kf6 40. Ra5) 34. Kf1?? { (2.81 → -0.84) Blunder. Kh2 was best. } (34. Kh2 Rg6 35. Rf2 Be4 36. Rd2+ Ke5 37. Re2 Kf4 38. Rc4 Re6 39. Ra4 Kf3 40. Rb2 a6) 34... h6?? { (-0.84 → 2.83) Blunder. Bd3 was best. } (34... Bd3 35. Rd1) 35. Rd1+? { (2.83 → 1.49) Mistake. Rd2+ was best. } (35. Rd2+) 35... Kc6?! { (1.49 → 2.46) Inaccuracy. Kc4 was best. } (35... Kc4) 36. Rf2?? { (2.46 → 0.10) Blunder. Rc1+ was best. } (36. Rc1+ Kd6) 36... Bh7?? { (0.10 → 3.90) Blunder. Bxh3+ was best. } (36... Bxh3+ 37. Ke1 Rg1+ 38. Kd2 Rxd1+ 39. Kxd1 Kc5 40. Rf7 Be6 41. Rxb7 Bxa2 42. Rxa7 Be6 43. Ra6) 37. Rg2?? { (3.90 → 0.69) Blunder. Rf6+ was best. } (37. Rf6+ Kc5 38. Rxh6 Be4 39. Rh5+ Kb6 40. h4 Rg4 41. Rd2 Bf3 42. Rf2 Bc6 43. Rh2 Rf4+) 37... Bg6?? { (0.69 → 2.37) Blunder. Rxg2 was best. } (37... Rxg2 38. Kxg2 b5 39. Rc1+ Kb6 40. Rc8 b4 41. Kf2 Bb1 42. a3 a5 43. axb4 axb4 44. h4) 38. Rf2 b6? { (2.21 → 3.88) Mistake. Kc5 was best. } (38... Kc5 39. h4) 39. Rc2+?? { (3.88 → -6.55) Blunder. Rf6+ was best. } (39. Rf6+) 39... Kb5?? { (-6.55 → 2.47) Blunder. Bxc2 was best. } (39... Bxc2 40. Rc1 Kb5 41. Rxc2 Rg3 42. h4 Rh3 43. a4+ Kxa4 44. Kg2 Rd3 45. Rc6 h5 46. Rh6) 40. Rcd2?! { (2.47 → 1.34) Inaccuracy. Rc7 was best. } (40. Rc7) 40... a6?! { (1.34 → 2.36) Inaccuracy. Bf7 was best. } (40... Bf7 41. Kf2) 41. Rc2?? { (2.36 → -7.01) Blunder. Rb2+ was best. } (41. Rb2+ Ka5) 41... a5?? { (-7.01 → 1.90) Blunder. Bxc2 was best. } (41... Bxc2 42. Rd6) 42. Rcd2?? { (1.90 → 0.28) Blunder. Rb2+ was best. } (42. Rb2+ Kc6 43. Rc1+ Kb7 44. Rc5 Bd3+ 45. Kf2 Be4 46. Rcb5 Rg6 47. h4 Ka6 48. Ke3 Bg2) 42... a4? { (0.28 → 1.65) Mistake. Ka4 was best. } (42... Ka4 43. Rg2) 43. Rc2?? { (1.65 → -7.86) Blunder. Rb2+ was best. } (43. Rb2+ Kc6) 43... a3?? { (-7.86 → 3.07) Blunder. Bxc2 was best. } (43... Bxc2 44. Rd6 Bb3 45. a3 h5 46. Kf2 Ka6 47. Rh6 Rg5 48. Ke3 Rd5 49. Rh8 Rd1 50. Kf2) 44. Rcd2?? { (3.07 → 0.00) Blunder. Rc3 was best. } (44. Rc3 Rf8+) 44... Kb4? { (0.00 → 1.37) Mistake. Bf7 was best. } (44... Bf7 45. Kf2 Bc4 46. Rd6 Kc5 47. Rxh6 Rf8+ 48. Kg3 Rg8+) 45. Rd3?? { (1.37 → -6.62) Blunder. Rf2 was best. } (45. Rf2) 45... Ka4?? { (-6.62 → 4.12) Blunder. Bxd3+ was best. } (45... Bxd3+ 46. Rxd3 b5 47. Kf2 Rc8 48. Ke3 Rc2 49. Rd4+ Kc5 50. Rd2 Rc3+ 51. Kf4 Rxh3 52. Kg4) 46. R3d2?? { (4.12 → 0.00) Blunder. Rb3 was best. } (46. Rb3 Bf7 47. Rd4+ Ka5 48. Rxa3+ Kb5 49. Kf2 Bc4 50. Rd2 Rf8+ 51. Kg3 Kb4 52. Re3 Rg8+) 46... Rf8+ 47. Ke2 Bf7 48. Ke3 Re8+ 49. Kf2 Bg6 50. Kf3 Rf8+ 51. Ke3 Re8+ 52. Kf2 Rf8+ 53. Ke3 Re8+ 54. Kf2 Rf8+ 55. Ke3 Re8+ { The game is a draw. } 1/2-1/2
Computer analysisMove timesCrosstableFEN & PGN
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