[Event "USA-ch"]
[Site "Greenville"]
[Date "1980.06.15"]
[Round "4"]
[White "Browne, Walter Shawn"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2520"]
1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. e3 Bg7 6. b4 O-O 7. Qb3 Bg4 8. Ne5 Be6 9. Bb2 Nbd7 10. Nxd7 Qxd7 11. Rd1 Rad8 12. Be2 dxc4 13. Bxc4 Bxc4 1/2-1/2