[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "1"]
[White "Rothschild, Irwin"]
[Black "Witkowski, James"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "57"]
[EventDate "1989.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 g6 2. c3 Bg7 3. Bg5 d6 4. e3 Nf6 5. Bd3 c5 6. Nd2 Nbd7 7. f4 b6 8. Ngf3 Bb7 9. 0-0 0-0 10. Qc2 Nd5 11. Rae1 h5 12. Bh4 f5 13. Bg3 Qe8 14. e4 fxe4 15. Bxe4 N7f6 16. Bxg6 Qc6 17. Nh4 Ng4 18. Bh7+ Kh8 19. Ng6+ Kxh7 20. Nxe7+ Kh8 21. Nxc6 Bxc6 22. Qg6 Nde3 23. Nf3 Rae8 24. Nh4 cxd4 25. Qxd6 Be4 26. Ng6+ Kg8 27. Nxf8 Bxf8 28. Qd7 dxc3 29. Qxe8 1-0

[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "3"]
[White "Umezinwa, George"]
[Black "Witkowski, James"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "69"]
[EventDate "1989.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. e4 Nf6 5. Nc3 0-0 6. Be2 c5 7. d5 Na6 8. h3 Nc7 9. 0-0 a6 10. a4 e6 11. Bg5 exd5 12. cxd5 h6 13. Be3 Re8 14. Nd2 Bd7 15. a5 Bb5 16. Re1 Bxe2 17. Qxe2 Nb5 18. Qd3 Qc7 19. Nxb5 axb5 20. Qxb5 Nxe4 21. Bxh6 Nf6 22. Rxe8+ Rxe8 23. Bf4 Qe7 24. Bg5 Qe2 25. Qxb7 Ne4 26. Nxe4 Rxe4 27. a6 Bxb2 28. a7 Bd4 29. a8Q+ Kg7 30. Be3 Bxe3 31. fxe3 Qxe3+ 32. Kh1 Qg3 33. Rf1 Rf4 34. Qa1+ Kh6 35. Qc1 1-0

