Event: Round 4: Cordes, Lothar - Onasch, Gunnar
Date: 2024-07-04
White: Cordes, Lothar
WhiteElo: 1858
Black: Onasch, Gunnar
BlackElo: 1959
Result: 1-0
ECO: D58
Opening: Queen's Gambit Declined: Tartakower Defense
Variant: Standard

1. d4 { [%eval 0.16] } 1... d5 { [%eval 0.24] } 2. c4 { [%eval 0.19] } 2... e6 { [%eval 0.24] } 3. Nc3 { [%eval 0.21] } 3... Nf6 { [%eval 0.21] } 4. Bg5 { [%eval 0.15] } 4... Be7 { [%eval 0.16] } 5. Nf3 { [%eval 0.09] } 5... O-O { [%eval 0.14] } 6. e3 { [%eval 0.11] } 6... h6 { [%eval 0.12] } 7. Bh4 { [%eval 0.07] } 7... b6 { [%eval 0.21] } 8. Rc1 { [%eval 0.0] } 8... Bb7 { [%eval 0.0] } 9. Bxf6 { [%eval 0.05] } 9... Bxf6 { [%eval 0.22] } 10. cxd5 { [%eval 0.1] } 10... exd5 { [%eval 0.0] } 11. Bd3 { [%eval 0.05] } 11... c5 { [%eval 0.09] } 12. O-O { [%eval 0.13] } 12... Nd7 { [%eval 0.15] } 13. Bb1 { [%eval -0.11] } 13... Be7 { [%eval 0.23] } 14. dxc5 { [%eval 0.1] } 14... Nxc5 { [%eval 0.12] } 15. Qc2 { [%eval -0.08] } 15... g6 { [%eval -0.11] } 16. Rfd1 { [%eval -0.19] } 16... Rc8 { [%eval -0.12] } 17. Nd4 { [%eval -0.15] } 17... Qd7 { [%eval -0.06] } 18. b4?! { [%eval -0.61] } { Inaccuracy. Nde2 was best. } 18... Ne4 { [%eval -0.07] } 19. Qb3 { [%eval -0.07] } 19... Rxc3 { [%eval -0.05] } 20. Rxc3 { [%eval -0.09] } 20... Nxc3 { [%eval -0.1] } 21. Qxc3 { [%eval -0.07] } 21... Rc8 { [%eval -0.1] } 22. Qb3 { [%eval -0.07] } 22... a6 { [%eval -0.02] } 23. h3 { [%eval -0.03] } 23... Rc7 { [%eval 0.0] } 24. Ne2 { [%eval -0.46] } 24... Qb5 { [%eval -0.31] } 25. Nc3?? { [%eval -2.34] } { Blunder. Nf4 was best. } 25... Qxb4?? { [%eval -0.29] } { Blunder. Qc4 was best. } 26. Nxd5 { [%eval -0.36] } 26... Bxd5 { [%eval 0.06] } 27. Qxd5 { [%eval 0.03] } 27... Qc5 { [%eval 0.23] } 28. Qa8+ { [%eval 0.22] } 28... Kg7 { [%eval 0.25] } 29. Qxa6 { [%eval 0.25] } 29... b5 { [%eval 0.26] } 30. Qa5 { [%eval 0.32] } 30... Ra7 { [%eval 0.32] } 31. Qd2 { [%eval 0.42] } 31... Bf6 { [%eval 0.43] } 32. Rc1 { [%eval 0.19] } 32... Qe7 { [%eval 0.31] } 33. Qd5 { [%eval 0.31] } 33... b4 { [%eval 0.34] } 34. Bd3 { [%eval 0.26] } 34... Bc3 { [%eval 0.56] } 35. Bc4 { [%eval 0.34] } 35... Rd7 { [%eval 0.33] } 36. Qf3 { [%eval 0.38] } 36... Qc5 { [%eval 0.82] } 37. Bb3 { [%eval 0.9] } 37... Qe7 { [%eval 1.32] } 38. a4 { [%eval 1.16] } 38... Qe5?! { [%eval 2.01] } { Inaccuracy. Qf6 was best. } 39. Rd1 { [%eval 1.99] } 39... Rxd1+?! { [%eval 2.81] } { Inaccuracy. Rc7 was best. } 40. Qxd1 { [%eval 2.62] } 40... Qc7?! { [%eval 3.54] } { Inaccuracy. Qf5 was best. } 41. Qd5 { [%eval 3.51] } 41... Be5 { [%eval 3.27] } 42. Qc4?! { [%eval 2.29] } { Inaccuracy. g3 was best. } 42... Qe7?! { [%eval 3.11] } { Inaccuracy. Qxc4 was best. } 43. a5 { [%eval 3.37] } 43... Bb8 { [%eval 3.49] } 44. a6 { [%eval 3.42] } 44... Ba7 { [%eval 3.4] } 45. Kf1 { [%eval 3.1] } 45... Bc5 { [%eval 3.49] } 46. Ke2 { [%eval 3.45] } 46... Kf8 { [%eval 3.41] } 47. Qd5 { [%eval 3.28] } 47... Qa7 { [%eval 3.25] } 48. Qb7 { [%eval 3.27] } 48... Qxb7 { [%eval 3.12] } 49. axb7 { [%eval 3.11] } 49... Bd6 { [%eval 2.99] } 50. Kd3 { [%eval 2.85] } 50... Ke7 { [%eval 3.43] } 51. Kc4 { [%eval 3.16] } 51... f6 { [%eval 3.49] } 52. Kb5 { [%eval 3.48] } 52... Kd7 { [%eval 3.44] } 53. Kb6 { [%eval 2.94] } 53... Bb8 { [%eval 2.93] } 54. f4 { [%eval 2.67] } 54... g5 { [%eval 2.62] } 55. g3? { [%eval 1.34] } { Mistake. f5 was best. } 55... Kd8?? { [%eval 3.86] } { Blunder. Kd6 was best. } 56. fxg5?? { [%eval 0.38] } { Blunder. Kc6 was best. } 56... fxg5 { [%eval 0.41] } 57. e4 { [%eval 0.0] } 57... Ke7?! { [%eval 0.67] } { Inaccuracy. Bxg3 was best. } 58. e5?! { [%eval 0.0] } { Inaccuracy. g4 was best. } 58... Kd8? { [%eval 1.42] } { Mistake. g4 was best. } 59. e6? { [%eval 0.0] } { Mistake. g4 was best. } 59... Ke7?? { [%eval 5.23] } { Blunder. Bxg3 was best. } 60. g4 { [%eval 5.01] } 60... Kd8 { [%eval 5.24] } 61. Kc5 { [%eval 4.81] } 61... Kc7?! { [%eval 7.22] } { Inaccuracy. Ke7 was best. } 62. Kd5 { [%eval 7.12] } 62... Kd8 { [%eval 6.53] } 63. Ke4 { [%eval 7.02] } 63... Bd6 { [%eval 6.89] } 64. Kf5 { [%eval 6.53] } 64... Kc7 { [%eval 8.39] } 65. Kf6 { [%eval 7.81] } 1-0