[Event "USA-ch"]
[Site "Estes Park"]
[Date "1986.??.??"]
[Round "?"]
[White "Lein, Anatoly"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2555"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Rd1 Nb6 10. Qb3 e6 11. Be2 Nc6 12. Ng1 Bxe2 13. Ngxe2 Qe7 1/2-1/2