[Event "US Open-74"]
[Site "Chicago"]
[Date "1973.??.??"]
[Round "2"]
[White "Brown, Walter IL"]
[Black "Ploss, Harry"]
[Result "0-1"]
[ECO "B94"]
[PlyCount "102"]
[EventDate "1973.08.12"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qa5 8. Qd2 e6 9. 0-0 Be7 10. Rad1 h6 11. Bh4 Ne5 12. Bb3 g5 13. Bg3 Qc5 14. Bxe5 dxe5 15. Nf3 b5 16. Ne1 Bb7 17. Nd3 Qc7 18. f3 0-0 19. Ne2 a5 20. a3 Nd7 21. f4 exf4 22. Ndxf4 Nc5 23. Nh5 Nxe4 24. Qe1 a4 25. Ba2 Rad8 26. Rxd8 Qxd8 27. Nc3 Qd4+ 28. Kh1 Nxc3 29. bxc3 Qg4 30. Ng3 Bxa3 31. Qe5 Bc6 32. Qc7 Be4 33. Qe5 Bxc2 34. h3 Qh4 35. Bxe6 fxe6 36. Qxe6+ Kh7 37. Rf7+ Rxf7 38. Qxf7+ Kh8 39. Qe8+ Kg7 40. Nh5+ Qxh5 41. Qxh5 Bd3 42. Qe8 Bc4 43. Qe5+ Kg8 44. g3 Bf8 45. h4 gxh4 46. gxh4 a3 47. Qg3+ Bg7 48. Qd6 a2 49. Qa3 b4 50. Qa8+ Kh7 51. Qe4+ Kh8 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.21"]
[Round "11"]
[White "Tomas, John"]
[Black "Brown, Walter IL"]
[Result "1-0"]
[ECO "C98"]
[PlyCount "63"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 dxc5 14. Nf1 Be6 15. Ne3 Rad8 16. Qe2 c4 17. Nf5 Rfe8 18. Bg5 Nd7 19. b4 Bxf5 20. exf5 Bxg5 21. Nxg5 Nf6 22. Be4 h6 23. Nf3 Nd5 24. Bxd5 Rxd5 25. Nd2 Ne7 26. f6 gxf6 27. Ne4 Kg7 28. Qg4+ Ng6 29. Ng3 Rh8 30. Nh5+ Kf8 31. Nxf6 Rd3 32. a4 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.19"]
[Round "9"]
[White "Brown, Walter IL"]
[Black "Payne, John Bob"]
[Result "1/2-1/2"]
[ECO "C98"]
[PlyCount "100"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 d6 7. Re1 Be7 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 dxc5 14. Nf1 Rd8 15. Qe2 g6 16. Ng3 Ne8 17. Nh2 Be6 18. Ng4 Ng7 19. Qe3 Bxg4 20. hxg4 Ne6 21. Ne2 Bg5 22. Qf3 Nf4 23. Be3 Qe7 24. Rad1 Ne6 25. Nc1 Bxe3 26. Qxe3 Qc7 27. g3 Rxd1 28. Rxd1 Rd8 29. Rxd8+ Qxd8 30. Kg2 Na5 31. Bd3 Qd6 32. Qe2 Nb7 33. Bc2 Nbd8 34. Nd3 Nc6 35. Qe3 Na5 36. Qe2 Kg7 37. Nc1 h6 38. Bd3 Nc6 39. Bc2 Nb8 40. Bb3 c4 41. Bc2 Nd7 42. Kg1 Nec5 43. Kg2 Nf6 44. f3 Nfd7 45. Qd1 Qxd1 46. Bxd1 Kf6 47. Kf2 Nb6 48. b4 Nca4 49. Bxa4 Nxa4 50. Ne2 Kg5 1/2-1/2

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.15"]
[Round "6"]
[White "Brown, Walter IL"]
[Black "Karklins, Andrew"]
[Result "0-1"]
[ECO "C92"]
[PlyCount "48"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. h3 Na5 9. c3 Nxb3 10. Qxb3 0-0 11. d4 Bb7 12. Qc2 exd4 13. cxd4 c5 14. e5 dxe5 15. dxe5 Nd5 16. Qe2 Qc7 17. Bg5 f6 18. exf6 Bxf6 19. Qe6+ Kh8 20. Bxf6 Rxf6 21. Qe8+ Rf8 22. Qh5 Nf4 23. Qg4 Nxg2 24. Qxg2 Rxf3 0-1

