Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/8L20dudH"]
[Date "2026.03.04"]
[White "Maria"]
[Black "xavi"]
[Result "1-0"]
[UTCDate "2026.03.04"]
[UTCTime "21:09:04"]
[WhiteElo "1208"]
[BlackElo "1669"]
[WhiteRatingDiff "+17"]
[BlackRatingDiff "-12"]
[WhiteTitle "❦"]
[BlackTitle "GM🥉"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C25"]
[Opening "Vienna Game: Anderssen Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nc3 Bc5 { C25 Vienna Game: Anderssen Defense } 3. Bc4?! { (0.50 → -0.05) Inaccuracy. Nf3 was best. } (3. Nf3 d6 4. Na4 Nd7 5. g3 Ngf6 6. d3 Bb6 7. Nxb6 axb6 8. Bg2 O-O 9. O-O Re8) 3... Nf6 4. Nb5?? { (-0.06 → -1.96) Blunder. d3 was best. } (4. d3 c6 5. Nf3 d6 6. a3 O-O 7. Ba2 a5 8. O-O h6 9. Ne2 Re8 10. Ng3 Nbd7) 4... Nxe4? { (-1.96 → -0.65) Mistake. c6 was best. } (4... c6 5. Nc3) 5. Qh5?? { (-0.65 → -4.00) Blunder. Qg4 was best. } (5. Qg4) 5... O-O 6. Nf3? { (-3.64 → -6.01) Mistake. d4 was best. } (6. d4 exd4 7. Ne2 d5 8. Qxd5 Qe7 9. Bd3 Nf6 10. Qg5 a6 11. Na3 Nc6 12. O-O Ne5) 6... Nxf2?? { (-6.01 → 4.98) Blunder. c6 was best. } (6... c6 7. Nc3 Nf6 8. Qh4 d5 9. Bb3 e4 10. d4 Bb6 11. Ng5 Bxd4 12. Bf4 Bxc3+ 13. bxc3) 7. Nxe5?? { (4.98 → -7.16) Blunder. Ng5 was best. } (7. Ng5 Qxg5) 7... Qf6?? { (-7.16 → 0.57) Blunder. d5 was best. } (7... d5) 8. Nxf7?? { (0.57 → -4.15) Blunder. Rf1 was best. } (8. Rf1 g6) 8... Rxf7?? { (-4.15 → 3.23) Blunder. d5 was best. } (8... d5) 9. Bxf7+ Qxf7 10. Qxf7+ Kxf7 11. Nxc7?? { (3.41 → -3.75) Blunder. Rf1 was best. } (11. Rf1) 11... Nxh1 12. Nxa8 Nc6 13. Nc7?! { (-3.06 → -3.88) Inaccuracy. d3 was best. } (13. d3 Bd6) 13... d6?? { (-3.88 → -1.58) Blunder. Bd6 was best. } (13... Bd6) 14. Nd5?? { (-1.58 → -3.61) Blunder. d3 was best. } (14. d3) 14... Nf2? { (-3.61 → -1.79) Mistake. Bg1 was best. } (14... Bg1 15. d3) 15. d3?! { (-1.79 → -2.63) Inaccuracy. b4 was best. } (15. b4 Bd4 16. c3 Nd3+ 17. Ke2 Nxc1+ 18. Rxc1 Bg4+ 19. Kd3 Be5 20. Rf1+ Ke8 21. Nc7+ Kd8) 15... Ng4 16. Nf4?? { (-2.43 → -5.14) Blunder. c3 was best. } (16. c3 Nf6 17. Nxf6 gxf6 18. b4 Bb6 19. Bf4 Ne5 20. Kd2 Bf5 21. Bxe5 dxe5 22. a4 Bc7) 16... Nd4 17. Rb1 Nxc2+ 18. Kd1 Nge3+ 19. Bxe3 Nxe3+ 20. Ke2 Bg4+ 21. Kd2 Nf5 22. Nd5 Ne7?? { (-5.84 → -2.64) Blunder. Ke6 was best. } (22... Ke6 23. h3 Kxd5 24. hxg4 Bb4+ 25. Ke2 Nd4+ 26. Ke3 Bc5 27. Rf1 Nc6+ 28. Kd2 Bd4 29. b4) 23. Nc7?? { (-2.64 → -5.52) Blunder. Rf1+ was best. } (23. Rf1+ Ke6) 23... Nc6 24. Rf1+ Ke7 25. Nd5+ Ke6 26. Nf4+ Ke7 27. Re1+ Kf7 28. Nd5 Bf2?? { (-5.69 → 6.56) Blunder. Be6 was best. } (28... Be6 29. Rf1+ Kg8 30. Nc3 d5 31. a3 Bd6 32. g3 Nd4 33. Ke3 Be5 34. b4 h5 35. Ne2) 29. Re4?? { (6.56 → 0.81) Blunder. Rf1 was best. } (29. Rf1) 29... Ne5?? { (0.81 → 4.78) Blunder. Bc8 was best. } (29... Bc8 30. Rf4+ Ke6 31. Nc7+ Kd7 32. Rxf2 Kxc7 33. Rf7+ Kb6 34. Rxg7 Bf5 35. g4 Bg6 36. h4) 30. Rf4+?? { (4.78 → -0.17) Blunder. d4 was best. } (30. d4 Bf5 31. Rf4 Bxd4 32. Rxd4 Nc6 33. Rh4 Ke6 34. Rh5 Bb1 35. Nc3 Bg6 36. Rb5 b6) 30... Ke6 31. Rxf2?? { (0.00 → -2.52) Blunder. Nc7+ was best. } (31. Nc7+ Kd7 32. Rxf2 Kxc7 33. d4 Nc4+ 34. Kc3 Ne3 35. Kd2) 31... Kxd5 32. Rf4 h6?! { (-4.30 → -3.09) Inaccuracy. h5 was best. } (32... h5 33. Ra4 Nc6 34. Rf4 Be6 35. Rf8 g6 36. Rf6 Ne7 37. Rf8 a6 38. a4 Nc6 39. Kc3) 33. Kc3 Kc5?? { (-3.54 → 7.08) Blunder. Be6 was best. } (33... Be6 34. Rf8 Kc6 35. a4 Ng6 36. Re8 Bf7 37. Ra8 a6 38. b4 Ne7 39. Rh8 Bg8 40. g4) 34. d4+ Kd5 35. dxe5 dxe5 36. Rxg4 e4 37. Rxg7 e3 38. Rd7+ Ke4 39. Rd1 e2 40. Re1 Ke3 41. Kc2 Kf2 42. Rc1 e1=Q 43. Rxe1 Kxe1 44. b4?? { (7.28 → -3.67) Blunder. g4 was best. } (44. g4) 44... Kf2 45. Kc3?! { (-4.09 → -6.31) Inaccuracy. g4 was best. } (45. g4 Kf3) 45... Kxg2 46. b5 Kxh2 47. Kc4 Kg3 48. Kc5 h5 49. Kd6 h4 50. Kc7 h3 51. Kxb7 h2 52. Kxa7 h1=Q 53. b6 Qh7+ 54. b7 Kf4 55. Ka8 Qg8+?? { (-59.82 → 57.00) Blunder. Qe4 was best. } (55... Qe4 56. Kb8 Qc4 57. Ka7 Qxa2+ 58. Kb6 Qb2+ 59. Kc7 Qc3+ 60. Kd7 Qb4 61. Kc8 Qc4+ 62. Kb8) 56. b8=Q+ Qxb8+ 57. Kxb8 Ke4 58. a4 Kd5 59. a5 Kc5 60. Kb7 Kb5 61. a6 { Black resigns. } 1-0