Event: European Individual Chess Championship 2021 - Reykjavik Open
Site: Reykjavik, Iceland
Date: 2021-08-28
White: Koellner, Ruben Gideon
WhiteElo: 2418
Black: Mai, Alexander Oliver
BlackElo: 2090
Result: 1-0
ECO: D05
Opening: Queen's Pawn Game: Zukertort Variation
Variant: Standard

1. d4 { [%eval 0.0] } 1... d5 { [%eval 0.23] } 2. Nf3 { [%eval 0.0] } 2... e6 { [%eval 0.0] } 3. e3 { [%eval 0.0] } 3... Nf6 { [%eval 0.0] } 4. Nbd2 { [%eval 0.0] } 4... c5 { [%eval 0.3] } 5. b3 { [%eval 0.0] } 5... Nc6 { [%eval 0.13] } 6. Bb2 { [%eval 0.0] } 6... b6 { [%eval 0.2] } 7. Bd3 { [%eval 0.05] } 7... Bb7 { [%eval 0.13] } 8. Ne5 { [%eval 0.0] } 8... Bd6 { [%eval -0.02] } 9. f4 { [%eval -0.18] } 9... O-O { [%eval -0.09] } 10. a3 { [%eval 0.0] } 10... Ne7 { [%eval -0.11] } 11. Qf3 { [%eval -0.11] } 11... Qc7 { [%eval 0.08] } 12. Qh3?! { [%eval -0.47] } { Inaccuracy. dxc5 was best. } 12... Ne4 { [%eval 0.0] } 13. Rd1? { [%eval -1.16] } { Mistake. dxc5 was best. } 13... a5?! { [%eval -0.54] } { Inaccuracy. cxd4 was best. } 14. a4 { [%eval -0.62] } 14... cxd4 { [%eval -0.52] } 15. exd4?! { [%eval -1.38] } { Inaccuracy. Bxd4 was best. } 15... Bb4?! { [%eval -0.36] } { Inaccuracy. Nf5 was best. } 16. O-O { [%eval -0.62] } 16... Nf5 { [%eval 0.32] } 17. Nb1?! { [%eval -0.63] } { Inaccuracy. c3 was best. } 17... Ba6 { [%eval -1.18] } 18. g4 { [%eval -0.86] } 18... Ne7 { [%eval -0.44] } 19. c3?! { [%eval -0.96] } { Inaccuracy. Bxa6 was best. } 19... Bd6 { [%eval -0.67] } 20. Bxa6 { [%eval -0.75] } 20... Rxa6 { [%eval -0.78] } 21. Qe3 { [%eval -0.68] } 21... Raa8 { [%eval -0.83] } 22. Na3 { [%eval -0.86] } 22... Bxa3 { [%eval -0.77] } 23. Bxa3 { [%eval -0.85] } 23... Rfe8 { [%eval -0.76] } 24. Rc1 { [%eval -1.0] } 24... Qb7 { [%eval -0.84] } 25. Rf3 { [%eval -1.36] } 25... Nc6?! { [%eval -0.74] } { Inaccuracy. f6 was best. } 26. Nd3 { [%eval -0.44] } 26... b5 { [%eval -0.85] } 27. Nc5 { [%eval -1.08] } 27... Nxc5 { [%eval -0.84] } 28. Bxc5 { [%eval -0.48] } 28... bxa4 { [%eval -0.74] } 29. bxa4 { [%eval -0.71] } 29... Qb2?! { [%eval 0.17] } { Inaccuracy. Nb8 was best. } 30. Re1?! { [%eval -0.55] } { Inaccuracy. Rcf1 was best. } 30... Nb8 { [%eval -0.62] } 31. f5 { [%eval -0.64] } 31... Nd7 { [%eval -0.44] } 32. g5 { [%eval -0.32] } 32... Qc2 { [%eval -0.23] } 33. Rf2?! { [%eval -0.87] } { Inaccuracy. Bd6 was best. } 33... Qxa4 { [%eval -0.43] } 34. g6 { [%eval -0.09] } 34... hxg6 { [%eval -0.66] } 35. fxg6 { [%eval -0.45] } 35... fxg6 { [%eval -1.39] } 36. Qg5 { [%eval -1.71] } 36... Nxc5 { [%eval -1.73] } 37. Qxg6 { [%eval -1.3] } 37... Qd7 { [%eval -0.86] } 38. dxc5 { [%eval -0.75] } 38... Rac8?! { [%eval -0.17] } { Inaccuracy. Re7 was best. } 39. Re5 { [%eval -0.14] } 39... Rf8 { [%eval -0.37] } 40. Rxf8+ { [%eval -0.13] } 40... Kxf8 { [%eval 0.0] } 41. Rh5 { [%eval 0.0] } 41... Rxc5?? { [%eval 3.63] } { Blunder. Re8 was best. } 42. Rh8+ { [%eval 3.49] } 42... Ke7 { [%eval 3.5] } 43. Qg5+ { [%eval 3.56] } 43... Kf7?! { [%eval 5.0] } { Inaccuracy. Kd6 was best. } 44. Qf4+ { [%eval 5.29] } 44... Kg6 { [%eval 5.04] } 45. Qg3+ { [%eval 5.02] } 45... Kf7 { [%eval 5.0] } 46. Qf2+ { [%eval 5.3] } 1-0