[Event "Hastings 1974/75"]
[Site "Hastings ENG"]
[Date "1975.01.03"]
[EventDate "1974.12.28"]
[Round "6"]
[Result "1/2-1/2"]
[White "Mark Diesen"]
[Black "Michael Francis Stean"]
[ECO "B51"]
[WhiteElo "2295"]
[BlackElo "2345"]
[PlyCount "43"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.c3 Nf6
7.d4 Nxe4 8.d5 Ne5 9.Nxe5 dxe5 10.Re1 Nd6 11.Rxe5 g6 12.Re1
Bg7 13.Bg5 Nf5 14.Na3 O-O-O 15.Bf4 b6 16.Nc4 Qxd5 17.Qb3 Qb7
18.a4 Rd3 19.Qb5 Rhd8 20.Bg3 Qd7 21.Qa6+ Qb7 22.Qb5 1/2-1/2