[Event "GRENKE Chess Classic"] [Site "Karlsruhe GER"] [Date "2018.03.31"] [EventDate "2018.03.31"] [Round "1"] [Result "0-1"] [White "Matthias Bluebaum"] [Black "Nikita Vitiugov"] [ECO "D12"] [WhiteElo "2631"] [BlackElo "2735"] [PlyCount "50"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Bd2 Nbd7 8. Nxg6 hxg6 9. c5 e5 10. b4 Be7 11. b5 O-O 12. Qa4 Re8 13. bxc6 bxc6 14. Be2 exd4 15. exd4 Nxc5 16. dxc5 d4 17. O-O dxc3 18. Bxc3 Bxc5 19. Bf3 Rc8 20. Bxc6 Re2 21. Bf3 Rxf2 22. Rxf2 Bxf2+ 23. Kxf2 Rxc3 24. Qxa7 Ne4+ 25. Kg1 Ra3 0-1