[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.12"]
[Round "6"]
[White "Powell, Calvin"]
[Black "Winslow, Elliott C"]
[Result "0-1"]
[ECO "B80"]
[BlackElo "2375"]
[PlyCount "70"]
[EventDate "1983.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. g3 d6 7. Bg2 Bd7 8. Nde2 Be7 9. 0-0 0-0 10. b3 a6 11. a4 Qc7 12. Ba3 Rab8 13. Qd2 b5 14. axb5 axb5 15. Bb2 Rfc8 16. Rfc1 Ne5 17. h3 b4 18. Nd1 Bc6 19. Qd4 Ned7 20. Ne3 e5 21. Qd1 Nxe4 22. Nd5 Bxd5 23. Qxd5 Ndf6 24. Qd3 d5 25. Bxe4 dxe4 26. Qd2 Rd8 27. Qg5 Rd5 28. c3 h6 29. cxb4 Qd7 30. Qe3 Qxh3 31. Nc3 Rd3 32. Qe1 Ng4 33. Nxe4 Qh2+ 34. Kf1 Qh1+ 35. Ke2 Qxe4+ 0-1

[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.09"]
[Round "3"]
[White "Seirawan, Yasser"]
[Black "Powell, Calvin"]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "2600"]
[PlyCount "79"]
[EventDate "1983.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxc3 7. bxc3 Qxd5 8. e3 c5 9. Be2 cxd4 10. cxd4 Qa5+ 11. Qd2 Qxd2+ 12. Kxd2 Nc6 13. Rab1 f6 14. Bf4 0-0 15. Rhc1 Rd8 16. Ke1 e6 17. Nd2 Bf8 18. Ne4 Kf7 19. h4 Be7 20. Nc5 Bxc5 21. Rxc5 a5 22. a3 Ra7 23. Bc7 Rd5 24. Rcc1 Ne7 25. g4 h6 26. Rb2 g5 27. hxg5 hxg5 28. f3 Ra8 29. Kf2 Rd7 30. Bb5 Rd5 31. Kg3 Nc6 32. Rh1 Kg7 33. Bc4 Rd7 34. Rbh2 Ne7 35. Bb6 Nd5 36. Bc5 f5 37. Rh7+ Kg8 38. Rh8+ Kg7 39. gxf5 Nxe3 40. R1h7+ 1-0

[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.08"]
[Round "2"]
[White "Powell, Calvin"]
[Black "Braun, Ron"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "47"]
[EventDate "1983.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 Be7 9. 0-0 0-0 10. Nf4 Nd8 11. dxc5 Nxc5 12. Be3 Qc7 13. Bc2 b6 14. Nh5 Ba6 15. Re1 Nc6 16. Ng5 Bxg5 17. Bxg5 Nd7 18. Nxg7 Ndxe5 19. Bxh7+ Kxg7 20. Qh5 f6 21. Qh6+ Kh8 22. Bf5+ Kg8 23. Bxe6+ Rf7 24. Bxf6 1-0

