Averbakh, Yuri L VS Kortschnoj, Viktor Lvovich 1972.12.14

[Event "Palma de Mallorca Gran Torneo-08"]
[Site "Palma de Mallorca"]
[Date "1972.12.14"]
[Round "14"]
[White "Averbakh, Yuri L"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "1/2-1/2"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Nd4 5. Bg2 Nxf3+ 6. Bxf3 Bb4 7. O-O O-O 8. Bg2 d6 9. Qc2 a6 10. d3 h6 11. h3 c6 12. e4 Nh7 13. Kh2 f5 1/2-1/2