[Event "Petrosian - Spassky World Championship Match"]
[Site "Moscow URS"]
[Date "1966.04.22"]
[EventDate "?"]
[Round "6"]
[Result "1/2-1/2"]
[White "Tigran Vartanovich Petrosian"]
[Black "Boris Spassky"]
[ECO "D40"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "29"]

1. c4 e6 2. d4 Nf6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. g3 Nc6
7. Bg2 Nxc3 8. bxc3 cxd4 9. cxd4 Bb4+ 10. Bd2 Be7 11. O-O O-O
12. Rb1 Nxd4 13. Nxd4 Qxd4 14. Qc2 Qc5 15. Qxc5 1/2-1/2