[Event "US Open-112"]
[Site "Orlando"]
[Date "2011.08.05"]
[Round "7"]
[White "Perkovich, Kyle A"]
[Black "Berry, Jim"]
[Result "0-1"]
[ECO "D20"]
[PlyCount "56"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 dxc4 5. Bxc4 Nf6 6. h3 e6 7. Nf3 Be7 8. 0-0 0-0 9. Nc3 b6 10. d5 Qc7 11. Qe2 exd5 12. Bxd5 Ba6 13. Qe5 Bd6 14. Qf5 Nc6 15. Re1 Rad8 16. Bh6 Ne7 17. Qg5 Ng6 18. Bxg7 Kxg7 19. Nd4 Bc8 20. g3 Bxh3 21. Rac1 Bc5 22. Ncb5 Qd7 23. Bc6 Qg4 24. Qxg4 Bxg4 25. Nb3 Bb4 26. Re3 Bd2 27. Nxd2 Rxd2 28. Rb3 Be6 0-1

[Event "US Open-112"]
[Site "Orlando"]
[Date "2011.07.30"]
[Round "1"]
[White "Nakamura, Hikaru"]
[Black "Perkovich, Kyle A"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2770"]
[PlyCount "37"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nc6 3. e3 Bf5 4. Nf3 e6 5. Be2 Nf6 6. 0-0 Be7 7. d4 h6 8. c4 0-0 9. Nc3 Re8 10. Rc1 Na5 11. c5 b6 12. b4 Nb7 13. Ba6 Qb8 14. Ne5 bxc5 15. Nc6 Qc8 16. dxc5 Ne4 17. Nxe4 Bxe4 18. Nxe7+ Rxe7 19. c6 1-0

