[Event "NED-ch prelim I"]
[Site "Leiden NED"]
[Date "1946.11.02"]
[EventDate "1946.10.??"]
[Round "7"]
[Result "1/2-1/2"]
[White "Hendrik Jan van Steenis"]
[Black "Jan Hendrik Marwitz"]
[ECO "B13"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "39"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nc6 5.c3 Nf6 6.Bg5 Bg4 7.f3
Bh5 8.Ne2 Bg6 9.Nf4 Bxd3 10.Nxd3 e6 11.Qb3 b6 12.Ne5 Qc7
13.Qb5 Rc8 14.a4 Bd6 15.Bf4 O-O 16.Qxc6 Bxe5 17.Qxc7 Bxc7
18.Bxc7 Rxc7 19.Nd2 Rb8 20.Kd1 1/2-1/2