Kavalek, Lubomir VS Petrosian, Tigran V 1973.??.??

[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "14"]
[White "Kavalek, Lubomir"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Nxf6+ Bxf6 7. Bxf6 Qxf6 8. c3 O-O 9. Nf3 Nd7 10. Be2 e5 11. dxe5 Nxe5 12. Nxe5 Qxe5 13. O-O 1/2-1/2