[Event "Botvinnik - Petrosian World Championship Match"]
[Site "Moscow URS"]
[Date "1963.05.18"]
[EventDate "?"]
[Round "21"]
[Result "1/2-1/2"]
[White "Tigran Vartanovich Petrosian"]
[Black "Mikhail Botvinnik"]
[ECO "A15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "19"]

1.c4 Nf6 2.Nf3 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.dxc3 Qxd1+
7.Kxd1 Bg4 8.Be2 Nd7 9.Be3 e5 10.Nd2 1/2-1/2