[Event "Alekhine memorial"]
[Round "16"]
[Site "Moscow"]
[Date "1971.12.16"]
[White "Lengyel, Levente"]
[WhiteElo "2485"]
[Black "Balashov, Yuri S"]
[BlackElo "2570"]
[Result "1/2-1/2"]
[ECO "A17"]
[Opening "English Opening, Hedgehog Defence"]
 1. c4   Nf6
 2. Nc3  e6
 3. Nf3  Bb4
 4. Qc2  c5
 5. a3   Bxc3
 6. Qxc3 b6
 7. g3   Bb7
 8. Bg2  O-O
 9. O-O  d6
10. b4   Qe7
11. Bb2  Nbd7
12. d3   Rfc8
13. b5   d5
14. a4   a5
15. e4   d4
16. Qc2  Ne8
17. Rae1 f6
1/2-1/2