[Event "It (open) (juniors) (under 18)"] [Site "masterchessopen.com Schilde (Belgium)"] [Date "1971.07.19"] [Round "5"] [White "Reust Josef (SUI)"] [Black "Semakoff Aleks (NOR)"] [Result "1/2-1/2"] [WhiteElo "2180"] [BlackElo "2137"] [ECO "E30"] [Opening "Nimzo-Indian: Leningrad, 4...h6"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 b5 7.e4 g5 8.Bg3 Nxe4 9.Qf3 exd5 10.O-O-O Bxc3 11.bxc3 Qa5 12.Be5 Qxa2 13.Bxh8 bxc4 {#d} 1/2-1/2