[Event "It"] [Site "masterchessopen.com Munich (Germany)"] [Round "1"] [White "Rellstab Ludwig Sr (GER)"] [Black "Bogoljubow Efim D (UKR)"] [Result "0-1"] [WhiteElo "2265"] [ECO "D82"] [Opening "Gruenfeld: 4.Bf4 Bg7 5.e3"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.cxd5 Nxd5 7.Nxd5 Qxd5 8.Bxc7 Nc6 9.Be2 Qxg2 10.Bf3 Qg5 11.Qb3 Bg4 12.Bxg4 Qxg4 13.Ne2 Rac8 14.Rg1 Qd7 15.Bg3 e5 16.d5 Na5 17.Qb4 b6 18.Rd1 Rc4 19.Qd2 Rfc8 20.Nc3 e4 21.Rc1 R4c5 22.Kf1 Nc4 23.Qe2 Nxb2 24.Qxb2 Rxc3 25.Rxc3 Rxc3 26.d6 Qh3+ 27.Rg2 Qh5 28.Ke1 Rd3 {#R} 0-1