Stean, Michael F VS Lengyel, Levente 1975.??.??

[Event "Moscow"]
[Site "Moscow"]
[Date "1975.??.??"]
[Round "?"]
[White "Stean, Michael F"]
[Black "Lengyel, Levente"]
[Result "1/2-1/2"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. a3 a6 6. Rb1 Rb8 7. b4 cxb4 8. axb4 b5 9. cxb5 axb5 10. e4 e5 11. Nge2 Nge7 12. O-O O-O 13. d3 d6 1/2-1/2