[Event "World-ch24 Petrosian-Botvinnik +5-2=15"]
[Site "Moscow"]
[Date "1963.05.18"]
[Round "21"]
[White "Petrosian, Tigran V"]
[Black "Botvinnik, Mikhail"]
[Result "1/2-1/2"]

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