[Event "It (open) (juniors) (under 12)"] [Site "masterchessopen.com Hengelo (Netherlands)"] [Date "2007.08.06"] [Round "1"] [White "Seidenstaecker Hans-Lennar"] [Black "Knottnerus Ivo"] [Result "1-0"] [WhiteElo "786"] [BlackElo "1388"] [ECO "D11"] [Opening "Slav: 3.Nf3 Bf5"] 1.d4 d5 2.c4 c6 3.Nf3 Bf5 4.Bg5 h6 5.Bf4 Nd7 6.cxd5 cxd5 7.e3 Rc8 8.Nc3 e6 9.Bb5 Nf6 10.O-O h5 11.Ne5 h4 12.Bg5 Rc7 13.Bxf6 gxf6 14.Bxd7+ Rxd7 15.Nxd7 Qxd7 16.Rc1 Rg8 17.Qa4 Bd6 18.Rfe1 e5 19.Kh1 Ke7 20.Nxd5+ Ke6 21.Qxd7+ {#r} 1-0