[Event "US Open-84"] [Site "Pasadena"] [Date "1983.08.07"] [Round "1"] [White "Whitehead, Jay E"] [Black "Matthews, Steve"] [Result "1-0"] [Annotator "Tarraco PC"] [ECO "E12"] [WhiteElo "2325"] [WhiteFideId "-1"] [BlackFideId "-1"] [PlyCount "71"] [GameId "272192009897"] [EventDate "1983.08.07"] [EventType "swiss"] [EventRounds "12"] [EventCountry "USA"] [Source "ChessBase"] [SourceVersion "1"] [SourceVersionDate "2014.11.20"] [SourceQuality "1"] {[%evp 0,67,18,9,18,9,21,21,21,31,37,25,68,70,70,67,60,64,69,70,71,91,64,61,82,79,69,82,76,79,73,31,43,50,112,110,148,138,119,96,84,84,77,83,93,80,115,113,112,123,136,106,125,139,147,126,145,146,147,205,150,152,162,161,237,342,350,359,366,402]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Be7 5. Nc3 d6 6. e4 O-O 7. Bd3 Nbd7 8. O-O e5 9. d5 Nc5 10. Bc2 a5 11. b3 Bg4 12. h3 Bh5 13. Rb1 h6 14. b4 Ncd7 15. Bd3 Nh7 16. Be2 g5 17. Nh2 Bxe2 18. Qxe2 Ndf6 19. Ng4 Nxg4 20. hxg4 axb4 21. axb4 Qd7 22. f3 Bf6 23. Be3 Rfb8 24. Ra1 Nf8 25. g3 Ng6 26. Ra2 Kg7 27. Kg2 Qc8 28. Rfa1 Ne7 29. Nb5 Rxa2 30. Rxa2 Ng8 31. Ra7 Rb7 32. Qa2 Rxa7 33. Qxa7 Bd8 {[#]} 34. Bxb6 $1 {i les negres van abandonar, si} cxb6 35. Nxd6 Qc7 36. Ne8+ 1-0