Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/Tt2AfG2J"]
[Date "2025.09.26"]
[White "Eitan1"]
[Black "Robbie3"]
[Result "0-1"]
[UTCDate "2025.09.26"]
[UTCTime "23:17:54"]
[WhiteElo "1169"]
[BlackElo "1136"]
[WhiteRatingDiff "-17"]
[BlackRatingDiff "+12"]
[BlackTitle "NM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C46"]
[Opening "Four Knights Game: Italian Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 { C46 Four Knights Game: Italian Variation } Bb4?! { (-0.11 → 0.64) Inaccuracy. Nxe4 was best. } (4... Nxe4) 5. O-O?! { (0.64 → 0.10) Inaccuracy. Nd5 was best. } (5. Nd5 Nxe4 6. O-O Nf6 7. Nxb4 Nxb4 8. Nxe5 O-O 9. d3 d6 10. Bd2 Nbd5 11. Nf3 Re8) 5... O-O 6. a3?! { (0.38 → -0.13) Inaccuracy. Nd5 was best. } (6. Nd5 Nxd5) 6... Bxc3 7. dxc3 Nxe4?! { (-0.08 → 0.85) Inaccuracy. h6 was best. } (7... h6 8. Re1 d6 9. a4 Be6 10. Nd2 Bxc4 11. Nxc4 Re8 12. f3 d5 13. exd5 Nxd5 14. Ne3) 8. Ne1?? { (0.85 → -2.03) Blunder. Re1 was best. } (8. Re1) 8... Na5?! { (-2.03 → -0.96) Inaccuracy. Nf6 was best. } (8... Nf6 9. f4 d5 10. Be2 Qd6 11. f5 h5 12. h3 Ne7 13. g4 g6 14. fxg6 fxg6 15. Bh6) 9. Bd3 Nc5 10. Bf5?! { (-0.88 → -1.79) Inaccuracy. Bxh7+ was best. } (10. Bxh7+ Kxh7) 10... d6?? { (-1.79 → 3.93) Blunder. Nc6 was best. } (10... Nc6) 11. Bxc8 Qxc8 12. Nf3?? { (3.69 → -3.20) Blunder. b4 was best. } (12. b4 Qe6) 12... e4? { (-3.20 → -1.37) Mistake. Nc6 was best. } (12... Nc6 13. Be3 Ne6 14. Ne1 Ne7 15. Nd3 Nf5 16. Bc1 Re8 17. f4 e4 18. Nb4 c6 19. g4) 13. Ng5?! { (-1.37 → -2.46) Inaccuracy. Nd2 was best. } (13. Nd2 Nc6 14. b4 e3 15. bxc5 exd2 16. Qxd2 dxc5 17. Qd5 Re8 18. Bf4 Qe6 19. Qxc5 Re7) 13... Qd8?? { (-2.46 → 4.08) Blunder. h6 was best. } (13... h6 14. b4 hxg5 15. bxc5 dxc5 16. f4 exf3 17. Qxf3 g4 18. Qg3 Re8 19. Bg5 Nc4 20. h3) 14. Qh5?? { (4.08 → -0.57) Blunder. b4 was best. } (14. b4) 14... h6 15. Nxe4 Nxe4 16. f3?? { (-0.50 → -4.06) Blunder. Qxa5 was best. } (16. Qxa5) 16... Nc5 17. Be3? { (-4.15 → -7.35) Mistake. b4 was best. } (17. b4 Qf6) 17... Ne6?? { (-7.35 → -0.11) Blunder. Nc6 was best. } (17... Nc6 18. Bxh6) 18. Rae1?? { (-0.11 → -6.92) Blunder. Qxa5 was best. } (18. Qxa5 b6) 18... Re8?? { (-6.92 → -0.14) Blunder. Nc6 was best. } (18... Nc6 19. Bxh6 Qf6 20. Bd2 Rfe8 21. Re4 Qg6 22. Qxg6 fxg6 23. Rfe1 Kf7 24. b4 a6 25. a4) 19. b4?? { (-0.14 → -8.15) Blunder. Qxa5 was best. } (19. Qxa5 b6 20. Qd5 Rc8 21. Qb5 a5 22. a4 Rb8 23. Rf2 Nf8 24. Rfe2 Re5 25. Qd3 Qd7) 19... Kh7?? { (-8.15 → -0.71) Blunder. Nc4 was best. } (19... Nc4) 20. Bxh6?? { (-0.71 → -4.62) Blunder. bxa5 was best. } (20. bxa5 Qd7 21. f4 Nf8 22. Qd5 c6 23. Qd2 Kg8 24. Bd4 c5 25. Bf2 Rxe1 26. Rxe1 Nh7) 20... gxh6 21. Qxf7+ Kh8?? { (-4.07 → 3.40) Blunder. Ng7 was best. } (21... Ng7 22. bxa5 Rf8 23. Qc4 Qd7 24. Qe4+ Qf5 25. Qxb7 Qc5+ 26. Kh1 Rfe8 27. Qb4 Qd5 28. Rd1) 22. Rxe6?! { (3.40 → 2.30) Inaccuracy. Rxe6 was best. } (22. Rxe6 Rxe6 23. Qxe6 Qf8 24. bxa5 Re8 25. Qc4 Qg7 26. Rb1 Qg5 27. Qd4+ Kg8 28. f4 Qe7) 22... Rxe6?! { (2.30 → 3.56) Inaccuracy. Rxe6 was best. } (22... Rxe6 23. Qxe6) 23. Qxe6 Nc6 24. Qxh6+?? { (4.00 → 0.00) Blunder. b5 was best. } (24. b5) 24... Kg8 25. Re1 Ne7?? { (0.00 → 8.46) Blunder. Qf8 was best. } (25... Qf8 26. Qh4 Qf7 27. f4 Re8 28. Qg5+ Kh7 29. Qh4+) 26. Qh4?? { (8.46 → 0.27) Blunder. Re4 was best. } (26. Re4 Qe8) 26... Ng6? { (0.27 → 1.52) Mistake. Nf5 was best. } (26... Nf5 27. Qe4) 27. Qxd8+?? { (1.52 → -0.55) Blunder. Qg4 was best. } (27. Qg4 Kf7) 27... Rxd8 28. Re6?! { (-0.76 → -1.39) Inaccuracy. Kf2 was best. } (28. Kf2 Ne5) 28... Nf4? { (-1.39 → -0.13) Mistake. Kf7 was best. } (28... Kf7 29. Re4) 29. g3?? { (-0.13 → -8.67) Blunder. Re4 was best. } (29. Re4 Nd5 30. c4 Nf6 31. Rd4 a5 32. c5 d5 33. Kf2 Ra8 34. g4 axb4 35. axb4 Ra2) 29... Ne2+?? { (-8.67 → 7.75) Blunder. Nxe6 was best. } (29... Nxe6 30. a4 d5 31. Kf2 Rd6 32. Ke3 Rc6 33. Kd3 Ng5 34. Kd4 Nxf3+ 35. Kxd5 Rxc3 36. h4) 30. Kf2?? { (7.75 → -1.02) Blunder. Rxe2 was best. } (30. Rxe2 a5 31. h4 axb4 32. axb4 Ra8 33. Kg2 Ra3 34. c4 Rc3 35. c5 d5 36. g4 d4) 30... Nxc3 31. Rg6+?? { (-0.57 → -2.40) Blunder. g4 was best. } (31. g4) 31... Kf7 32. Rg4 Nb1 33. Rc4 Nxa3? { (-2.42 → -1.05) Mistake. Rd7 was best. } (33... Rd7 34. a4) 34. Rxc7+ Ke8? { (-1.30 → 0.00) Mistake. Ke6 was best. } (34... Ke6 35. h4 Rd7 36. Rxd7 Kxd7 37. h5 Ke6 38. c3 Nb1 39. c4 Na3 40. g4 Nxc4 41. f4) 35. Rxb7 Nxc2 36. Rxa7 Nxb4 37. Ra4? { (0.00 → -1.14) Mistake. Rh7 was best. } (37. Rh7 Nc6 38. g4 d5 39. Rh8+ Kd7 40. Rxd8+ Nxd8 41. Ke3 Nf7 42. h4 Kd6 43. h5 Ke6) 37... Nc2? { (-1.14 → -0.12) Mistake. Nc6 was best. } (37... Nc6) 38. h4 Ke7 39. h5 d5 40. h6?! { (0.00 → -0.71) Inaccuracy. Ke2 was best. } (40. Ke2 d4 41. Kd3 Ne1+ 42. Ke2) 40... Rh8?! { (-0.71 → 0.00) Inaccuracy. d4 was best. } (40... d4) 41. Rh4 d4 42. g4 d3 43. g5?? { (-0.24 → -3.29) Blunder. Rh1 was best. } (43. Rh1) 43... d2 44. Ke2?! { (-2.85 → -3.73) Inaccuracy. Rh1 was best. } (44. Rh1 Ne1) 44... Rd8 45. g6?? { (-3.99 → Mate in 7) Checkmate is now unavoidable. Rh1 was best. } (45. Rh1 Ne1 46. Kd1 Nd3 47. Ke2 Nb2 48. f4 Ke6 49. g6 d1=Q+ 50. Rxd1 Nxd1 51. h7 Nc3+) 45... d1=Q+ 46. Kf2 Qd7?! { (Mate in 4 → -11.57) Lost forced checkmate sequence. Rd2+ was best. } (46... Rd2+ 47. Kg3 Qg1+ 48. Kf4 Kf6 49. Rg4 Rd4#) 47. g7?! { (-11.57 → Mate in 9) Checkmate is now unavoidable. Kg3 was best. } (47. Kg3 Qd6+) 47... Qc8? { (Mate in 9 → -9.23) Lost forced checkmate sequence. Qd2+ was best. } (47... Qd2+ 48. Kg3 Ne3 49. Re4+ Kf6 50. Rxe3 Qxe3 51. Kg4 Rd4+ 52. Kg3 Qf4+ 53. Kf2 Rd2+ 54. Ke1) 48. h7 Qe6?? { (-65.99 → 0.00) Blunder. Qc5+ was best. } (48... Qc5+ 49. Kg3 Qg1+ 50. Kh3 Qxg7 51. h8=B Rxh8 52. Rxh8 Qxh8+ 53. Kg4 Qe5 54. Kh3 Qe3 55. Kg4) 49. g8=Q?? { (0.00 → Mate in 11) Checkmate is now unavoidable. Re4 was best. } (49. Re4 Kf6 50. Rxe6+ Kxg7 51. f4 Nd4 52. Rb6 Nf5 53. Rb7+ Kh8 54. Kf3 Nd6 55. Rb1 Nf5) 49... Rxg8?? { (Mate in 11 → -5.98) Lost forced checkmate sequence. Qe1+ was best. } (49... Qe1+ 50. Kg2 Ne3+ 51. Kh3 Qh1+ 52. Kg3 Nf5+ 53. Kf4 Qxh4+ 54. Kxf5 Qf6+ 55. Kg4 Rd4+ 56. f4) 50. hxg8=Q Qxg8 51. Rg4 { White offers draw } 51... Qh8 52. f4?! { (-6.22 → -57.87) Inaccuracy. Re4+ was best. } (52. Re4+ Kd6) 52... Qd4+ 53. Kg3 Qe3+ 54. Kh4?! { (-61.14 → Mate in 9) Checkmate is now unavoidable. Kh2 was best. } (54. Kh2 Ne1) 54... Qf2+ 55. Kg5 Qc5+?! { (Mate in 6 → -58.39) Lost forced checkmate sequence. Ne3 was best. } (55... Ne3 56. Kg6 Nxg4 57. Kf5 Nf6 58. Kg5 Kf7 59. f5 Qg3+ 60. Kh6 Qh4#) 56. Kh4?! { (-58.39 → Mate in 20) Checkmate is now unavoidable. f5 was best. } (56. f5 Nd4) 56... Qf2+ 57. Kg5 Qb6?! { (Mate in 6 → -59.52) Lost forced checkmate sequence. Ne3 was best. } (57... Ne3 58. Kg6 Nxg4 59. Kf5 Nf6 60. Kg5 Kf7 61. f5 Qg3+ 62. Kh6 Qe3#) 58. f5 Nd4 59. Rh4?! { (-56.57 → Mate in 12) Checkmate is now unavoidable. Rg2 was best. } (59. Rg2 Qc6 60. Ra2 Nf3+ 61. Kf4 Qc4+ 62. Kxf3 Qxa2 63. Ke3 Qg2 64. Kd3 Qd5+ 65. Kc2 Qxf5+) 59... Qb5?? { (Mate in 12 → -3.12) Lost forced checkmate sequence. Nf3+ was best. } (59... Nf3+ 60. Kf4 Nxh4 61. f6+ Kxf6 62. Ke4 Qb3 63. Kd4 Qc2 64. Ke3 Nf5+ 65. Kf3 Ke7 66. Kf4) 60. Rxd4 Qe5 61. Rh4 Qf6+ 62. Kg4 Kf7 63. Rh7+ Kg8 64. Rh4 Qd4+ 65. Kg5 Qg7+ 66. Kf4 Kf7?! { (-2.24 → -1.36) Inaccuracy. Qd4+ was best. } (66... Qd4+ 67. Kg5) 67. Rg4 { White offers draw } 67... Qh6+ 68. Rg5?? { (-1.23 → Mate in 19) Checkmate is now unavoidable. Ke4 was best. } (68. Ke4 Qh1+ 69. Kf4 Qh2+ 70. Ke4 Qf2 71. Rg6 Kf8 72. Rg4 Qe1+ 73. Kf4 Qc1+ 74. Ke4 Qc4+) 68... Kf6?! { (Mate in 19 → -60.38) Lost forced checkmate sequence. Kf6 was best. } (68... Kf6 69. Kg4 Qxg5+ 70. Kh3 Qd2 71. Kg4 Qg2+ 72. Kf4 Qg5+ 73. Kf3 Kxf5 74. Ke2 Kf4 75. Kf2) 69. Kg4?! { (-60.38 → Mate in 8) Checkmate is now unavoidable. Ke4 was best. } (69. Ke4 Qxg5 70. Kd5 Qc1 71. Kd4 Qc2 72. Kd5 Qc3 73. Ke4 Qd2 74. Kf3 Kxf5 75. Kg3 Qe3+) 69... Qxg5+ { White resigns. } 0-1