[Event "NED-ch"] [Site "Amsterdam NED"] [Date "1954.04.15"] [EventDate "?"] [Round "9"] [Result "0-1"] [White "Johannes Hendrik Otto van den Bosch"] [Black "Willem Jan Muhring"] [ECO "A46"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "50"] 1.d4 Nf6 2.Nf3 e6 3.Bg5 d5 4.Nbd2 Be7 5.e3 Nbd7 6.Bd3 c5 7.c3 h6 8.Bh4 O-O 9.Ne5 Nxe5 10.dxe5 Nd7 11.Bg3 f5 12.exf6 Nxf6 13.e4 Qe8 14.e5 Nh5 15.Qg4 Bg5 16.Nf3 Nf4 17.Bxf4 Rxf4 18.Qh3 Bd8 19.Qg3 Rf8 20.O-O-O Qf7 21.Kb1 Bd7 22.h4 b5 23.Bh7+ Kxh7 24.Ng5+ Bxg5 25.hxg5 Qxf2 0-1