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Puzzles (3 cohencoins award for each match):

Puzzle 2cgUb: 939

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/vqRDIbre"] [Date "2026.05.04"] [White "Almas"] [Black "Amali"] [Result "1/2-1/2"] [UTCDate "2026.05.04"] [UTCTime "23:28:47"] [WhiteElo "1077"] [BlackElo "918"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+15"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C40"] [Opening "Elephant Gambit"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 d5?! { (0.41 → 1.29) Inaccuracy. Nc6 was best. } { C40 Elephant Gambit } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Ba4 Be7 7. Nxe5 Nxe5 8. Rxe5 O-O 9. Bb3) 3. Nc3?? { (1.29 → -0.50) Blunder. exd5 was best. } (3. exd5 Bd6) 3... Ne7?? { (-0.50 → 1.47) Blunder. d4 was best. } (3... d4) 4. Nxe5 f6 5. Ng4?? { (1.58 → -1.53) Blunder. Nf3 was best. } (5. Nf3 d4 6. Ne2 c5 7. d3 Nbc6 8. h4 Ng6 9. h5 Nge5 10. Ng3 Bd6 11. Nh4 g5) 5... g6?? { (-1.53 → 8.45) Blunder. h5 was best. } (5... h5 6. Ne3 d4 7. Nc4 dxc3 8. bxc3 Nd7 9. d4 Nb6 10. Bd3 h4 11. Na5 Qd6 12. O-O) 6. exd5?? { (8.45 → 2.99) Blunder. Nxf6+ was best. } (6. Nxf6+ Kf7 7. Qf3 Nbc6 8. Nfxd5+ Kg8 9. Qf6 Nxd5 10. Qxd8 Nxd8 11. Nxd5 Ne6 12. Bc4 b5) 6... f5 7. Ne5 h5?? { (3.14 → 8.76) Blunder. Bg7 was best. } (7... Bg7 8. d4) 8. Bb5+ c6 9. Nxc6?? { (7.62 → 1.42) Blunder. dxc6 was best. } (9. dxc6 Nbxc6 10. d4 Bg7 11. Bg5 Qc7 12. O-O O-O 13. Bxc6 Nxc6 14. Nxg6 Re8 15. Qxh5 Nxd4) 9... bxc6 10. dxc6 a6?? { (1.51 → 9.74) Blunder. Nexc6 was best. } (10... Nexc6 11. O-O) 11. d4?? { (9.74 → -4.13) Blunder. c7+ was best. } (11. c7+ axb5) 11... axb5 12. Bf4?! { (-4.70 → -6.34) Inaccuracy. d5 was best. } (12. d5 Bg7) 12... Nexc6? { (-6.34 → -3.62) Mistake. Nbxc6 was best. } (12... Nbxc6 13. O-O) 13. O-O Nxd4? { (-3.53 → -2.14) Mistake. g5 was best. } (13... g5 14. Bd2) 14. Qe1+?? { (-2.14 → -5.76) Blunder. Be5 was best. } (14. Be5 Rh7) 14... Kf7 15. Qe5?! { (-5.76 → -9.21) Inaccuracy. Rd1 was best. } (15. Rd1 Bg7) 15... Be7 16. Rfe1 g5 17. Bg3 Rg8 18. Qe6+ Bxe6 19. Nd5 Bxd5 20. Re5 Nbc6 21. Re3 h4 22. Be5 Nxe5 23. Rxe5 Re8 24. Rae1 Qb8 25. R5e3 Ra7 26. b3 Qa8 27. c4 Rxa2 28. cxd5 Ra1 29. h3?! { (-24.08 → Mate in 8) Checkmate is now unavoidable. f4 was best. } (29. f4 gxf4) 29... Rxe1+ 30. Rxe1 Qa1 31. Rxa1 Ra8?? { (-9.29 → -3.78) Blunder. Nxb3 was best. } (31... Nxb3) 32. Rxa8 b4 33. g4?! { (-3.84 → -4.86) Inaccuracy. Kf1 was best. } (33. Kf1 Kf6) 33... Nxb3?? { (-4.86 → -1.12) Blunder. fxg4 was best. } (33... fxg4) 34. gxf5?? { (-1.12 → -4.03) Blunder. Ra7 was best. } (34. Ra7 Ke8 35. Ra8+ Kd7 36. Ra7+ Kd6 37. Rb7 Nc5 38. Rxb4 f4 39. f3 Kxd5 40. Kf1 Bd6) 34... Kf6?? { (-4.03 → -0.33) Blunder. Nd2 was best. } (34... Nd2 35. Ra7 Ne4 36. Kg2 Kf6 37. Kf3 Nc5 38. Kg4 b3 39. Rc7 b2 40. Rc6+ Ke5 41. Rb6) 35. Rd8?? { (-0.33 → Mate in 13) Checkmate is now unavoidable. Ra6+ was best. } (35. Ra6+ Kxf5 36. d6 Bd8 37. Ra4 Nc5 38. Rxb4 Nd7 39. Rb5+ Ke6 40. Kg2 Bf6 41. Ra5 Kxd6) 35... Bxd8?! { (Mate in 13 → -57.58) Lost forced checkmate sequence. Bxd8 was best. } (35... Bxd8 36. d6 Nd4 37. f3 b3 38. Kf2 b2 39. Ke3 Nxf5+ 40. Kd3 b1=Q+ 41. Kc4 Ba5 42. f4) 36. d6?! { (-57.58 → Mate in 11) Checkmate is now unavoidable. f3 was best. } (36. f3 Kxf5 37. Kf2 Kf4 38. Ke2 Nc5 39. d6 b3 40. Kd2 Kxf3 41. Kc3 Kg3 42. Kb2 Kxh3) 36... Bb6 37. Kf1 Kxf5?! { (Mate in 11 → -20.42) Lost forced checkmate sequence. Nd4 was best. } (37... Nd4 38. d7 b3 39. f4 gxf4 40. Ke1 b2 41. d8=Q+ Bxd8 42. Kd2 b1=Q 43. Kc3 Qc2+ 44. Kxd4) 38. Ke1 Nd4 39. Kd2 b3 40. Kc1 Ne6 41. Kb2 Bxf2 42. Kxb3 Nf4 43. Kc2 Nxh3 44. d7 Bb6 45. Kd2 g4 46. Ke2 Nf4+ 47. Kf1 g3 48. Ke1 h3 49. Kd2 g2 50. Kc3 h2 51. Kc4 h1=Q 52. Kb5 g1=Q 53. Ka6 Qa1+ 54. Kxb6 Qhc1 55. d8=Q Ne6 56. Qd5+ Kf4 57. Qxe6 Qca3?! { (Mate in 3 → -60.04) Lost forced checkmate sequence. Qab2+ was best. } (57... Qab2+ 58. Ka7 Qc7+ 59. Ka6 Qbb7#) 58. Kc6?! { (-60.04 → Mate in 4) Checkmate is now unavoidable. Qh6+ was best. } (58. Qh6+ Kg3) 58... Q3a2?! { (Mate in 4 → -54.67) Lost forced checkmate sequence. Qa6+ was best. } (58... Qa6+ 59. Kd5 Q1a5+ 60. Kd4 Qxe6 61. Kd3 Qe4#) 59. Qh6+ Kf3 60. Qh3+ Ke2 61. Qg2+ Ke3 62. Qg3+ Kd2?? { (-59.95 → 0.00) Blunder. Ke4 was best. } (62... Ke4) 63. Qf2+ Kd1 64. Qf1+ Kc2 65. Qe2+ Kb3 66. Qe6+ Kb2 67. Qe2+ Kc1 68. Qe1+ Kb2 69. Qe2+ Ka3 70. Qe3+?? { (0.00 → Mate in 23) Checkmate is now unavoidable. Qe7+ was best. } (70. Qe7+ Kb2 71. Qf6+ Kb3 72. Qf7+ Kb4 73. Qe7+ Kc4 74. Qf7+ Kd3 75. Qf3+ Kd2 76. Qf2+ Kd1) 70... Kb4?? { (Mate in 23 → 0.00) Lost forced checkmate sequence. Qb3 was best. } (70... Qb3 71. Qe7+ Kb2 72. Qe2+ Qc2+ 73. Qxc2+ Kxc2 74. Kd5 Qe1 75. Kd4 Qe6 76. Kc5 Kc3 77. Kb5) 71. Qe4+?? { (0.00 → Mate in 8) Checkmate is now unavoidable. Qe7+ was best. } (71. Qe7+ Ka4 72. Qa7+ Kb3 73. Qf7+ Kb2 74. Qf2+ Kc3 75. Qf3+ Kb4 76. Qf8+ Kc4 77. Qf7+ Kd4) 71... Qc4+ 72. Qxc4+ Kxc4 73. Kd6 Qd4+ 74. Kc7 Qc5+ 75. Kd7 Kd5 76. Ke8 Qd6 77. Kf7 Ke5 78. Ke8 Qe6+ 79. Kd8 Kd6 { Draw by stalemate. } 1/2-1/2
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting