CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/vRO2QBVn"] [Date "2025.10.10"] [White "Eitan1"] [Black "Nathan4"] [Result "0-1"] [UTCDate "2025.10.10"] [UTCTime "23:03:28"] [WhiteElo "1170"] [BlackElo "1300"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+7"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense: Mieses-Kotroc Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5 2. exd5 Qxd5 { B01 Scandinavian Defense: Mieses-Kotroc Variation } 3. c4?? { (0.85 → -0.69) Blunder. Nc3 was best. } (3. Nc3 Qa5 4. d4 Bf5 5. Nf3 c6 6. Ne5 Nd7 7. Nc4 Qc7 8. Qf3 e6 9. Bf4 Qd8) 3... Qe5+?? { (-0.69 → 1.22) Blunder. Qe4+ was best. } (3... Qe4+ 4. Ne2 Qxc4 5. d4 Nf6 6. Nbc3 c6 7. Ng3 Qe6+ 8. Be2 g6 9. h4 h5 10. O-O) 4. Be2 Nf6?! { (1.08 → 2.00) Inaccuracy. Qa5 was best. } (4... Qa5 5. Nf3 Nf6 6. Nc3 e5 7. d4 exd4 8. Nxd4 Bb4 9. O-O Bxc3 10. bxc3 O-O 11. Bf4) 5. Nf3?! { (2.00 → 0.97) Inaccuracy. d4 was best. } (5. d4 Qd6) 5... Qe4?? { (0.97 → 3.08) Blunder. Qa5 was best. } (5... Qa5 6. Nc3 e5 7. d4 exd4 8. Nxd4 Be7 9. Bf4 O-O 10. O-O Rd8 11. Nb3 Qb6 12. Nd5) 6. d3 Qg4 7. h3?? { (2.68 → -0.26) Blunder. O-O was best. } (7. O-O Qd7 8. Nc3 e6 9. d4 Qd8 10. Re1 Bd6 11. Ne5 O-O 12. Bf3 c6 13. Bf4 Bc7) 7... Qf5?? { (-0.26 → 3.13) Blunder. Qxg2 was best. } (7... Qxg2 8. Rh2 Qg6 9. Nc3 e5 10. Rh1 Qf5 11. d4 Bb4 12. Qa4+ Nc6 13. d5 Bd7 14. Qb3) 8. Nd4? { (3.13 → 1.38) Mistake. Nc3 was best. } (8. Nc3 Qa5 9. O-O e6 10. d4 c6 11. Bf4 Qd8 12. Qc2 Bd6 13. Ne5 O-O 14. Rad1 Bc7) 8... Qe5?! { (1.38 → 2.36) Inaccuracy. Qd7 was best. } (8... Qd7 9. Nf3) 9. Nf3 Qa5+ 10. Bd2 Qb6 11. Nc3 Qxb2?? { (2.05 → 8.69) Blunder. c5 was best. } (11... c5 12. Be3) 12. Rb1 Qa3 13. Nb5 Qc5 14. Na3?? { (8.61 → -4.85) Blunder. Be3 was best. } (14. Be3 Qc6) 14... Nc6?? { (-4.85 → 7.40) Blunder. Qxa3 was best. } (14... Qxa3) 15. Bb4?? { (7.40 → -6.17) Blunder. Nb5 was best. } (15. Nb5 Kd8 16. d4 Qf5 17. g4 Qd7 18. d5 Nb8 19. Ba5 b6 20. Ne5 Qe8 21. Nc6+ Kd7) 15... Nxb4 16. O-O Bf5?? { (-6.07 → -1.83) Blunder. Qa5 was best. } (16... Qa5 17. Rb3 e5 18. c5 Qxc5 19. Qb1 c6 20. Nc4 Nbd5 21. Nfxe5 Be7 22. d4 Qxd4 23. Rxb7) 17. g4?? { (-1.83 → -5.08) Blunder. Qa4+ was best. } (17. Qa4+ Bd7) 17... Bg6?? { (-5.08 → -1.62) Blunder. Bxd3 was best. } (17... Bxd3) 18. Qd2?? { (-1.62 → -6.57) Blunder. Qa4+ was best. } (18. Qa4+ Nd7) 18... e6 19. Rxb4 Qxb4 20. Qxb4 Bxb4 21. Nd4 Bxa3 22. Nb5 Bc5 23. Nxc7+ Kd7 24. Nxa8 Rxa8 25. Rd1 h5 26. gxh5 Nxh5 27. d4 Nf4 28. dxc5+ Ke7 29. Bf3 Ne2+?! { (-8.05 → -4.62) Inaccuracy. Rd8 was best. } (29... Rd8 30. Kh2 Rxd1 31. Bxd1 Kd8 32. h4 Kc7 33. h5 Bf5 34. a3 Nd3 35. h6 gxh6 36. Bh5) 30. Bxe2 Rd8 31. Rxd8 Kxd8 32. a4? { (-3.62 → -5.82) Mistake. Bd1 was best. } (32. Bd1 Bd3 33. f4 Kc7 34. Ba4 Bxc4 35. a3 a6 36. Be8 f6 37. Kf2 Bb5 38. Bxb5 axb5) 32... Kd7 33. Bf3 Kc7 34. c6 bxc6?! { (-7.00 → -4.87) Inaccuracy. b6 was best. } (34... b6 35. Kf1 Bd3+ 36. Ke1 Bxc4 37. h4 a5 38. Bh5 f6 39. Be2 Bd5 40. Bb5 Bxc6 41. Bxc6) 35. c5 a5 36. h4?! { (-4.49 → -6.50) Inaccuracy. Bd1 was best. } (36. Bd1 e5) 36... f5?! { (-6.50 → -4.34) Inaccuracy. Bc2 was best. } (36... Bc2 37. Bh5 Bxa4 38. Bxf7 Bb3 39. Bg6 a4 40. Kf1 a3 41. Bb1 Kb7 42. Ke1 Ka6 43. Kd2) 37. h5 Bh7 38. Bd1 e5 39. f3?! { (-4.43 → -6.38) Inaccuracy. f4 was best. } (39. f4 exf4) 39... e4?? { (-6.38 → -2.46) Blunder. f4 was best. } (39... f4 40. Kg2 Bf5 41. Kf1 Kd7 42. Bb3 Ke7 43. Kf2 Kf6 44. Ke2 Be6 45. Bc2 Bd5 46. Bd3) 40. fxe4 fxe4 41. Kg2 g6?? { (-2.67 → 0.00) Blunder. Kd7 was best. } (41... Kd7 42. Bg4+ Ke7 43. Kg3 e3 44. Kf4 e2 45. Bxe2 Bc2 46. Ke3 Bxa4 47. Kd4 Bb5 48. Bg4) 42. hxg6 Bxg6 43. Kf2 Kd7 44. Ke3?? { (-0.15 → -4.38) Blunder. Bg4+ was best. } (44. Bg4+ Ke7 45. Ke3 Bf7 46. Kxe4 Bb3 47. Kd3 Kf6 48. Bf3 Bxa4 49. Kc3 Ke5 50. Kb2 Kd4) 44... Ke6 45. Bc2?! { (-5.40 → -7.89) Inaccuracy. Bb3+ was best. } (45. Bb3+ Ke5) 45... Kd5 46. Kf4 Kxc5 47. Bxe4 Bxe4 48. Kxe4 Kb4 49. Kd4 Kxa4 50. Kc5 Kb3 51. Kxc6 a4 52. Kb5?! { (-54.85 → Mate in 21) Checkmate is now unavoidable. Kd6 was best. } (52. Kd6 a3 53. Ke5 a2 54. Kf6 a1=Q+ 55. Kg6 Qa7 56. Kf6 Kc4 57. Ke5 Qe7+ 58. Kf5 Kd3) 52... a3?! { (Mate in 21 → -56.75) Lost forced checkmate sequence. a3 was best. } (52... a3 53. Kc5 a2 54. Kd6 a1=Q 55. Ke7 Qg7+ 56. Ke6 Qg6+ 57. Kd5 Qf6 58. Kc5 Qe7+ 59. Kd4) 53. Kc5?! { (-56.75 → Mate in 13) Checkmate is now unavoidable. Kc6 was best. } (53. Kc6 a2 54. Kd5 a1=Q 55. Ke6 Qf1 56. Ke5 Qf7 57. Ke4 Qf6 58. Ke3 Qf5 59. Kd4 Qe6) 53... a2 54. Kd4 a1=Q+ 55. Kd3 Qc3+ 56. Ke4 Kc4 57. Kf5 Kd5 58. Kg4 Qf6 59. Kg3 Ke4 60. Kh3 Qg5 61. Kh2 Kf3 62. Kh1 Qg2# { Black wins by checkmate. } 0-1