World Championship 1963: Petrosian – BotvinnikROUND 22
[Event "World-ch24 Petrosian-Botvinnik +5-2=15"]
[Site "Moscow"]
[Date "1963.05.20"]
[Round "22"]
[White "Botvinnik, Mikhail"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+ Nc6 5. Nc3 Nd5 6. e4 Nb6 7. Qd1 Bg4 8. d5 Ne5 9. Bf4 Ng6 10. Be3 e6 1/2-1/2