[Event "It (open)"] [Site "masterchessopen.com Untergrombach (Germany)"] [Round "0"] [White "Prestel Oliver (GER)"] [Black "Lanz Udo (GER)"] [Result "1-0"] [WhiteElo "2130"] [BlackElo "1864"] [ECO "A53"] [Opening "Old Indian: 3.Nc3"] 1.d4 Nf6 2.c4 d6 3.Nc3 g6 4.Nf3 Bg7 5.g3 O-O 6.Bg2 Nc6 7.d5 Ne5 8.Nxe5 dxe5 9.O-O Rb8 10.Qc2 Ne8 11.b4 f5 12.Bb2 f4 13.Ne4 Bf5 14.Qb3 e6 15.Nc5 exd5 16.Bxd5+ Kh8 17.Nxb7 Qe7 18.Nc5 a5 19.Na6 Rb6 20.b5 Rbf6 21.gxf4 {#r} 1-0