[Event "Grenke Chess Open"] [Site "Karlsruhe GER"] [Date "2025.04.19"] [EventDate "2025.04.17"] [Round "5.31"] [Result "1/2-1/2"] [White "Nazar Ustianovich"] [Black "Alexei Shirov"] [ECO "E10"] [WhiteElo "2293"] [BlackElo "2650"] [PlyCount "86"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 a6 5. b3 c5 6. cxd5 Nxd5 7. Be2 cxd4 8. Nxd4 e5 9. Nc2 Nc6 10. e4 Nf4 11. Qxd8+ Nxd8 12. Bxf4 exf4 13. Nc3 Be6 14. O-O-O Bc5 15. f3 Rc8 16. Kb2 Nc6 17. Nd5 Bd6 18. Nb6 Rd8 19. Bc4 Ne5 20. Be2 h5 21. Nd4 h4 22. h3 Rh5 23. Nxe6 fxe6 24. Rhe1 Rg5 25. Bf1 Bc5 26. Rxd8+ Kxd8 27. Nc4 Nc6 28. Rd1+ Kc7 29. Kb1 b5 30. Nb2 Be3 31. Nd3 Rh5 32. Ne1 Nd4 33. Nc2 Nxc2 34. Kxc2 Rc5+ 35. Kb2 a5 36. a4 bxa4 37. bxa4 e5 38. Bb5 Bd4+ 39. Kb1 Kb6 40. Rc1 Bc3 41. Ka2 Bb4 42. Rxc5 Kxc5 43. Kb3 1/2-1/2