Event: German Masters 2023 - German Masters 2023 Herren
Site: Tornelo INT
Date: 2023-12-11
White: Donchenko, Alexander
WhiteTitle: GM
WhiteElo: 2634
Black: Roseneck, Jonas
BlackTitle: IM
BlackElo: 2390
Result: 1/2-1/2
ECO: D78
Opening: Neo-Grünfeld Defense: Classical Variation, Original Defense
Variant: Standard

1. Nf3 { [%eval 0.2] } 1... d5 { [%eval 0.34] } 2. g3 { [%eval 0.12] } 2... g6 { [%eval 0.32] } 3. Bg2 { [%eval 0.16] } 3... Bg7 { [%eval 0.18] } 4. d4 { [%eval 0.17] } 4... Nf6 { [%eval 0.25] } 5. O-O { [%eval 0.14] } 5... O-O { [%eval 0.07] } 6. c4 { [%eval 0.11] } 6... c6 { [%eval 0.11] } 7. Qa4 { [%eval 0.0] } 7... dxc4?! { [%eval 0.6] } { Inaccuracy. Nbd7 was best. } 8. Qxc4 { [%eval 0.32] } 8... Bf5 { [%eval 0.33] } 9. Nc3 { [%eval 0.25] } 9... Nbd7 { [%eval 0.32] } 10. Re1 { [%eval 0.24] } 10... Ne4 { [%eval 0.32] } 11. Qb3 { [%eval 0.22] } 11... Qb6 { [%eval 0.27] } 12. Nh4 { [%eval 0.21] } 12... Nxc3 { [%eval 0.4] } 13. bxc3 { [%eval 0.34] } 13... Be6 { [%eval 0.55] } 14. Qc2 { [%eval 0.14] } 14... Qa5 { [%eval 0.16] } 15. Nf3 { [%eval 0.24] } 15... Bc4 { [%eval 0.71] } 16. e4 { [%eval 0.61] } 16... e5 { [%eval 0.73] } 17. Be3 { [%eval 0.55] } 17... Ba6 { [%eval 0.98] } 18. Bh3 { [%eval 0.89] } 18... exd4 { [%eval 0.92] } 19. cxd4 { [%eval 0.91] } 19... Nb6 { [%eval 0.99] } 20. Rac1 { [%eval 0.47] } 20... Rad8 { [%eval 0.88] } 21. Bd2 { [%eval 0.46] } 21... Qa3 { [%eval 0.46] } 22. Re3 { [%eval 0.36] } 22... Qe7 { [%eval 0.46] } 23. Ree1 { [%eval 0.49] } 23... Qa3 { [%eval 0.48] } 24. Bg2 { [%eval 0.07] } 24... Bd3?! { [%eval 0.63] } { Inaccuracy. Qd3 was best. } 25. Qd1 { [%eval 0.6] } 25... Qa4?! { [%eval 1.17] } { Inaccuracy. Na4 was best. } 26. Bg5 { [%eval 1.17] } 26... f6 { [%eval 1.21] } 27. Bf4?! { [%eval 0.25] } { Inaccuracy. Bxf6 was best. } 27... Qxd1 { [%eval 0.3] } 28. Rcxd1 { [%eval 0.27] } 28... Bc4 { [%eval 0.28] } 29. Nd2 { [%eval 0.26] } 29... Be6 { [%eval 0.62] } 30. Nb3 { [%eval 0.67] } 30... Rf7 { [%eval 1.08] } 31. d5 { [%eval 1.1] } 31... cxd5 { [%eval 1.36] } 32. exd5 { [%eval 1.48] } 32... Bg4 { [%eval 1.33] } 33. Rd4 { [%eval 1.51] } 33... Bf8 { [%eval 1.33] } 34. d6 { [%eval 1.41] } 34... Bc8?! { [%eval 2.39] } { Inaccuracy. h5 was best. } 35. g4? { [%eval 1.16] } { Mistake. a4 was best. } 35... Bxg4 { [%eval 1.36] } 36. a4 { [%eval 1.32] } 36... g5 { [%eval 1.22] } 37. Bg3 { [%eval 1.5] } 37... f5 { [%eval 1.35] } 38. Be5 { [%eval 1.08] } 38... Bh5 { [%eval 0.97] } 39. Nc5 { [%eval 1.29] } 39... Nd7 { [%eval 1.15] } 40. Ne6? { [%eval -0.28] } { Mistake. Nxb7 was best. } 40... Re8 { [%eval -0.3] } 41. Nxg5 { [%eval -0.21] } 41... Nxe5 { [%eval -0.2] } 42. f4 { [%eval -0.33] } 42... Nf3+ { [%eval -0.42] } 43. Nxf3 { [%eval -0.53] } 43... Rxe1+ { [%eval -0.31] } 44. Nxe1 { [%eval -0.39] } 44... Rd7 { [%eval -0.38] } 45. Bxb7 { [%eval -0.42] } 45... Rxd6 { [%eval -0.34] } 46. Rxd6 { [%eval -0.38] } 1/2-1/2