[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Fortman, Zeb II"]
[Black "Sprague, Ross Frederick"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "76"]
[EventDate "1990.08.05"]
[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 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. c4 d6 6. h3 Na6 7. Nc3 c5 8. Be2 Bf5 9. 0-0 Qc8 10. Rc1 cxd4 11. exd4 Qd7 12. a3 h5 13. b4 Nc7 14. c5 Nfd5 15. Bh2 Nxc3 16. Rxc3 Rfd8 17. Rb3 a6 18. Qc1 Be6 19. Bc4 Nb5 20. d5 Bf5 21. a4 Nd4 22. Nxd4 Bxd4 23. c6 Qc8 24. Qd2 Bg7 25. b5 axb5 26. axb5 b6 27. Bf4 Qc7 28. Bd3 Bxd3 29. Qxd3 Ra4 30. Be3 Raa8 31. Rc1 Kh7 32. Rc4 Ra1+ 33. Kh2 e6 34. Rc2 exd5 35. Qxd5 Re8 36. Bd4 Bxd4 37. Qxd4 Ree1 38. Rg3 Kg8 1-0

[Event "Ohio Chess Congress"]
[Site "Dublin"]
[Date "1987.??.??"]
[Round "6"]
[White "Magar, Thomas P"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "A51"]
[PlyCount "136"]
[EventDate "1987.09.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nf3 d6 5. exd6 Bxd6 6. e3 Nc6 7. Nbd2 Nc5 8. Be2 Bf5 9. 0-0 Qf6 10. e4 Nxe4 11. Nxe4 Bxe4 12. Qa4 0-0 13. c5 Bxf3 14. Bxf3 Bxc5 15. Bxc6 bxc6 16. Qf4 Bd4 17. Qxf6 Bxf6 18. Bf4 Bxb2 19. Rab1 Bd4 20. Rfc1 c5 21. Bxc7 Rfe8 22. Kf1 Rac8 23. Bf4 Re6 24. Be3 Bxe3 25. fxe3 g6 26. Rb3 Rb6 27. Rbc3 Rb2 28. R1c2 Rxc2 29. Rxc2 Kg7 30. Ke2 Kf6 31. Kd3 Ke5 32. Rc4 Kd5 33. e4+ Kc6 34. Rc2 Kd6 35. Kc4 Ke5 36. Rd2 Rc7 37. Re2 h5 38. a3 h4 39. g3 hxg3 40. hxg3 Rd7 41. Re3 Rd4+ 42. Kxc5 Rxe4 43. Rb3 f5 44. Rb7 Rg4 45. Rxa7 Rxg3 46. a4 Ra3 47. Kb4 Ra1 48. Rc7 f4 49. a5 Rb1+ 50. Ka4 g5 51. a6 f3 52. a7 Ra1+ 53. Kb4 Kf4 54. Rf7+ Kg3 55. Rf5 Rxa7 56. Rxg5+ Kf2 57. Kc3 Rd7 58. Rg6 Kf1 59. Rg8 f2 60. Rg6 Rd1 61. Kc2 Rd5 62. Rg8 Ke2 63. Re8+ Kf3 64. Rf8+ Ke3 65. Kc3 Rc5+ 66. Kb3 Rc1 67. Re8+ Kd4 68. Rd8+ Ke5 0-1

[Event "Ohio Chess Congress"]
[Site "Dublin"]
[Date "1987.??.??"]
[Round "4"]
[White "Schulien, Charles"]
[Black "Sprague, Ross Frederick"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2330"]
[PlyCount "95"]
[EventDate "1987.09.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 g6 6. e4 d6 7. Bd3 Bg7 8. Nge2 0-0 9. 0-0 a6 10. a4 Qc7 11. h3 Nbd7 12. f4 Rb8 13. Be3 Re8 14. Ng3 Qb6 15. Qd2 Nxe4 16. Ngxe4 f5 17. Nf2 Nf6 18. Rae1 Bd7 19. Nfd1 Qb4 20. Bf2 Bxa4 21. Re2 Rxe2 22. Bxe2 Re8 23. Bf3 Ne4 24. Bxe4 fxe4 25. Be3 Bd7 26. Ne2 Qxd2 27. Bxd2 Bb5 28. Re1 e3 29. Bc3 Bc4 30. Bxg7 Kxg7 31. Nec3 e2 32. Nf2 b5 33. Nce4 Bxd5 34. Rxe2 Bxe4 35. Rxe4 Kf7 36. Rxe8 Kxe8 37. Ne4 Ke7 38. Kf2 h6 39. Ke3 Ke6 40. g4 b4 41. Kd3 h5 42. b3 hxg4 43. hxg4 c4+ 44. bxc4 a5 45. Kd4 a4 46. Nd2 b3 47. Nb1 b2 48. Na3 1-0

[Event "corr"]
[Site "corr"]
[Date "1983.??.??"]
[Round "?"]
[White "Sprague, Ross Frederick"]
[Black "Zielke, C."]
[Result "0-1"]
[ECO "B02"]
[PlyCount "126"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "1"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 e6 4. d4 d6 5. Nf3 dxe5 6. Nxe5 Nd7 7. Bd3 Nb4 8. Be4 Nxe5 9. dxe5 Qxd1+ 10. Nxd1 Bd7 11. c3 Bc6 12. Bb1 Nd5 13. 0-0 0-0-0 14. a4 a5 15. Bc2 Bc5 16. Rb1 h5 17. h3 h4 18. Kh2 g5 19. f3 Nf4 20. Re1 Rd7 21. Ne3 Rhd8 22. Nc4 Bf2 23. Rf1 Bg3+ 24. Kh1 b6 25. b4 axb4 26. cxb4 Rd4 27. Ne3 Ne2 28. Ng4 Bf4 29. Bxf4 Nxf4 30. Rf2 Nd3 31. Bxd3 Rxd3 32. b5 Bd5 33. Nh6 Rd7 34. Rbb2 Rd1+ 35. Kh2 Ra1 36. f4 Be4 37. Ra2 Rc1 38. Rad2 Rxd2 39. Rxd2 gxf4 40. Rf2 Rc2 41. Kg1 Rc1+ 42. Kh2 Rc2 43. Kg1 Rxf2 44. Kxf2 Bc2 45. Nxf7 Bxa4 46. Ng5 Kd7 47. Nf3 Bxb5 48. Nxh4 Bd3 49. Kf3 b5 50. Kxf4 b4 51. Ke3 Bf1 52. Kf2 b3 53. Nf3 b2 54. Nd2 Bd3 55. Ke3 b1Q 56. Nxb1 Bxb1 57. Kd4 Ke7 58. g4 Kf7 59. h4 Bc2 60. Ke3 Bd1 61. Kf4 c5 62. h5 c4 63. h6 c3 0-1

[Event "Ohio-ch"]
[Site "Cleveland"]
[Date "1980.??.??"]
[Round "4"]
[White "Larocca, Marc"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "B38"]
[PlyCount "65"]
[EventDate "1980.??.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Bg7 8. Be3 0-0 9. 0-0 Bd7 10. f4 Nxd4 11. Bxd4 Bc6 12. Bf3 Qa5 13. Kh1 Rfd8 14. a3 e5 15. Be3 Re8 16. b4 Qc7 17. Qd3 b6 18. Rac1 Qe7 19. fxe5 Qxe5 20. Bd4 Qe6 21. Nd5 Bxd5 22. exd5 Qd7 23. c5 bxc5 24. bxc5 dxc5 25. Rxc5 Rac8 26. Ra5 Rc7 27. h3 Rd8 28. Be5 Rb7 29. d6 Rb6 30. Rc5 Ne8 31. Bd5 Nxd6 32. Bxd6 Rxd6 33. Qf3 0-1

[Event "Ohio-ch"]
[Site "Cleveland"]
[Date "1980.??.??"]
[Round "2"]
[White "McCarthy, Tim"]
[Black "Sprague, Ross Frederick"]
[Result "1/2-1/2"]
[ECO "A26"]
[PlyCount "75"]
[EventDate "1980.??.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 Nc6 5. e4 d6 6. Nge2 Be6 7. d3 Qd7 8. h3 Nge7 9. Be3 0-0 10. Qd2 f5 11. Nd5 Rf7 12. 0-0-0 Nd4 13. f4 Bxd5 14. exd5 Nxe2+ 15. Qxe2 c6 16. fxe5 dxe5 17. Bc5 cxd5 18. Bxe7 Rxe7 19. Bxd5+ Kh8 20. g4 Rc8 21. Kb1 Rc5 22. Rhf1 Ra5 23. gxf5 gxf5 24. Qh5 e4 25. Qxf5 Qxf5 26. Rxf5 exd3 27. Rf2 Ra6 28. Rfd2 Rf6 29. Rxd3 Rf2 30. R1d2 Ree2 31. Rxe2 Rxe2 32. b3 b6 33. a3 a5 34. Bf3 Re1+ 35. Kc2 Bf8 36. a4 Rf1 37. Bd5 Rf2+ 38. Rd2 1/2-1/2

[Event "Ohio-ch qual"]
[Site "Cleveland"]
[Date "1980.??.??"]
[Round "4"]
[White "Salman, Nachum"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "B27"]
[PlyCount "70"]
[EventDate "1980.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. Nf3 Bg7 4. Bc4 d6 5. 0-0 Nf6 6. Qe2 0-0 7. d3 Nc6 8. h3 a6 9. a4 Rb8 10. e5 dxe5 11. Nxe5 Nxe5 12. Qxe5 Nd7 13. Qe2 b5 14. axb5 axb5 15. Ba2 Bb7 16. Bg5 Nf6 17. Re1 Qd7 18. Nd2 Qf5 19. Be3 Nd5 20. Ne4 Nxe3 21. Qxe3 b4 22. Rac1 bxc3 23. bxc3 Ba8 24. Nxc5 Rb2 25. Bc4 Bh6 26. Qd4 Bxc1 27. Ne6 Bh6 28. Nxf8 Bxf8 29. Ra1 Bb7 30. Qe3 Bh6 31. Qd4 Qg5 32. g3 Qf6 33. Qxf6 exf6 34. Re1 Bd2 35. Re7 Rb1+ 0-1

[Event "Ohio-ch"]
[Site "Cleveland"]
[Date "1980.??.??"]
[Round "5"]
[White "Sprague, Ross Frederick"]
[Black "Federl, Alan R"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "62"]
[EventDate "1980.??.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 e5 4. Bg2 g6 5. d3 Bg7 6. f4 d6 7. Nh3 Nge7 8. 0-0 f5 9. exf5 Bxf5 10. g4 Bd7 11. Ne4 0-0 12. Nxd6 Bxg4 13. Qxg4 Qxd6 14. Ng5 Nd4 15. c3 h5 16. Qd1 Ndc6 17. Qb3+ Kh8 18. Nf7+ Rxf7 19. Qxf7 Qxd3 20. fxe5 Rf8 21. Qxf8+ Bxf8 22. Rxf8+ Kg7 23. Rf3 Qe2 24. Bg5 Nf5 25. Bf6+ Kf7 26. Rf2 Qc4 27. Rd1 Qg4 28. Rdd2 Ke6 29. Rfe2 Nh4 30. Bxh4 Qxh4 31. Rd6+ Kf5 1-0

[Event "Ohio-ch"]
[Site "Cleveland"]
[Date "1980.??.??"]
[Round "1"]
[White "Sprague, Ross Frederick"]
[Black "Salman, Nachum"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "141"]
[EventDate "1980.??.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be2 Nc6 5. Be3 Nf6 6. h3 0-0 7. Nf3 Nd7 8. Qd2 e5 9. 0-0-0 Nb6 10. Bh6 exd4 11. Bxg7 Kxg7 12. Nxd4 Be6 13. h4 h5 14. g4 Bxg4 15. Bxg4 hxg4 16. h5 g5 17. h6+ Kh7 18. Nxc6 bxc6 19. Qe2 g3 20. fxg3 Qe7 21. Qg4 Rg8 22. Rdf1 Raf8 23. Rf5 Nc4 24. Qe2 Ne5 25. Nd1 Qe6 26. b3 Rg6 27. Ne3 a5 28. a4 Nd7 29. Rhf1 f6 30. Ng4 Nc5 31. e5 dxe5 32. Qe3 Nd7 33. Qa7 Qd6 34. Rd1 Qe6 35. Qf2 Rf7 36. Rxd7 Rxd7 37. Nxf6+ Rxf6 38. Rxf6 Qg4 39. Qf5+ Qxf5 40. Rxf5 Re7 41. Rxg5 Kxh6 42. Rg8 e4 43. Kd2 e3+ 44. Ke2 Re5 45. Rf8 Rc5 46. c4 Rg5 47. Rf3 Kh5 48. Rxe3 Kg4 49. Kf2 Rf5+ 50. Kg2 Rf8 51. Re4+ Kg5 52. Re6 Rb8 53. Re3 Kg4 54. Kf2 Rd8 55. Ke2 Rh8 56. Kd2 Kf5 57. Kc3 c5 58. Re7 Rc8 59. g4+ Kxg4 60. Re5 Ra8 61. Rxc5 Ra7 62. Kd4 Kf4 63. Kd5 Ke3 64. Kc6 Kd4 65. Rb5 Kc3 66. c5 Kd4 67. Kd7 Kc3 68. c6 Kd4 69. Rb7 Ra6 70. Kxc7 Kc5 71. Rb5+ 1-0

[Event "Ohio-ch"]
[Site "Cleveland"]
[Date "1980.??.??"]
[Round "3"]
[White "Sprague, Ross Frederick"]
[Black "Srikantia, Sri"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "101"]
[EventDate "1980.??.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. Bb5 a6 6. Bxc6+ bxc6 7. 0-0 Nf6 8. e5 Nd7 9. dxc5 Bxc5 10. Nb3 Be7 11. c4 0-0 12. cxd5 cxd5 13. Nbd4 Qb6 14. Be3 Qxb2 15. Rb1 Qxa2 16. Nc6 Bc5 17. Ng5 Qc4 18. Rc1 Qh4 19. g3 Qh6 20. Rxc5 Nxc5 21. Ne7+ Kh8 22. Nxf7+ Rxf7 23. Bxh6 Rxe7 24. Be3 Rc7 25. Qc2 Bd7 26. Bxc5 Rac8 27. Rc1 Kg8 28. f4 Rxc5 29. Qxc5 Rxc5 30. Rxc5 Kf8 31. Kf2 d4 32. Kf3 d3 33. Ke3 Bb5 34. Rc7 h5 35. Kd2 g6 36. Kc3 Ke8 37. Rg7 a5 38. Rb7 Bc6 39. Ra7 Be4 40. Rxa5 Kd7 41. Ra6 Bf5 42. Rd6+ Kc7 43. Kd2 Kb7 44. h3 Kc7 45. g4 hxg4 46. hxg4 Bxg4 47. Kxd3 Bh3 48. Ke3 Bg4 49. Kf2 Kc8 50. Kg3 Bf5 51. Kh4 1-0

[Event "Ohio-ch qual"]
[Site "Cleveland"]
[Date "1980.??.??"]
[Round "3"]
[White "Sprague, Ross Frederick"]
[Black "Srikantia, Sri"]
[Result "0-1"]
[ECO "C07"]
[PlyCount "64"]
[EventDate "1980.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. Bb5 a6 6. Bxc6+ bxc6 7. 0-0 Nf6 8. dxc5 dxe4 9. Ng5 Qd5 10. Nb3 Qxd1 11. Rxd1 h6 12. Nh3 e5 13. Na5 Bxc5 14. Nxc6 Nd7 15. b4 Bb6 16. Bb2 f6 17. c4 Bb7 18. Rd6 Rc8 19. Re6+ Kf8 20. b5 Bc5 21. Rd1 Rc7 22. Na5 Kf7 23. b6 Nxb6 24. Nxb7 Kxe6 25. Nxc5+ Rxc5 26. Ba3 Rc6 27. c5 Nc4 28. Bb4 a5 29. Rc1 Rb8 30. Bc3 Rxc5 31. g3 Nd6 32. f4 Rbc8 0-1

[Event "Ohio-ch qual"]
[Site "Cleveland"]
[Date "1980.??.??"]
[Round "5"]
[White "Sprague, Ross Frederick"]
[Black "Ward, Tom"]
[Result "1-0"]
[ECO "C04"]
[PlyCount "29"]
[EventDate "1980.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Bb5 a6 7. Bxc6 bxc6 8. Nb3 c5 9. Na5 Nb8 10. 0-0 cxd4 11. Bg5 f6 12. exf6 gxf6 13. Ne5 h5 14. Qd3 Rg8 15. Qh7 1-0

[Event "Ohio-ch qual"]
[Site "Cleveland"]
[Date "1980.??.??"]
[Round "2"]
[White "Stevanovich, Steve"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "90"]
[EventDate "1980.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. c4 Nd7 4. e3 Ngf6 5. Nc3 g6 6. Nf3 Bg7 7. d4 0-0 8. Be2 e4 9. Nd2 Re8 10. a4 Nf8 11. b5 h5 12. a5 h4 13. h3 Bf5 14. Qb3 Ne6 15. a6 b6 16. Na4 Nd7 17. 0-0-0 Qg5 18. Rdg1 Rac8 19. g4 hxg3 20. fxg3 c6 21. Kb1 cxb5 22. cxb5 Nxd4 23. Bxd4 Bxd4 24. Nc4 Be5 25. h4 Qe7 26. g4 Be6 27. Qb4 d5 28. Qxe7 Rxe7 29. Nxe5 Nxe5 30. g5 Nc4 31. h5 Nxe3 32. hxg6 fxg6 33. Rh6 Kg7 34. Rgh1 Bg8 35. Rc1 Rxc1+ 36. Kxc1 d4 37. Nb2 Rc7+ 38. Kb1 d3 39. Nxd3 exd3 40. Bxd3 Nf5 41. Rh3 Bc4 42. Kb2 Nd6 43. Bxc4 Nxc4+ 44. Kb3 Nd6 45. Kb4 Ne4 0-1

[Event "Clevland-Berkeley phone "]
[Site "USA"]
[Date "1979.??.??"]
[Round "?"]
[White "Fritzinger, Dennis"]
[Black "Sprague, Ross Frederick"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "83"]
[EventDate "1979.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. Nc3 c5 4. d3 Nc6 5. Bd2 d6 6. a3 Nf6 7. Rb1 0-0 8. Qc1 Nd4 9. e3 Nf5 10. Nge2 d5 11. b4 d4 12. Na4 cxb4 13. axb4 dxe3 14. fxe3 Bd7 15. Nc5 Bc6 16. Bxc6 bxc6 17. 0-0 Bh6 18. Nf4 e5 19. Ng2 Ng4 20. Ne4 Qb6 21. Rf3 Bg7 22. h3 Ngh6 23. g4 Ne7 24. Nc5 e4 25. dxe4 Rad8 26. g5 Ng4 27. hxg4 Qc7 28. Nd3 Qd7 29. Rf4 h6 30. gxh6 Bxh6 31. Qf1 Bxf4 32. Qxf4 Qd6 33. Bc3 Qxf4 34. Ngxf4 Rd7 35. g5 Nc8 36. Kg2 f6 37. gxf6 g5 38. Ne6 Re8 39. Ndc5 Rd6 40. Nxg5 Red8 41. Rh1 Rd2+ 42. Kg3 1-0

[Event "Belgrade jub30-B corr"]
[Site "Yugoslavia"]
[Date "1979.??.??"]
[Round "?"]
[White "Sprague, Ross Frederick"]
[Black "Stopa, John Russell"]
[Result "1-0"]
[ECO "C61"]
[PlyCount "83"]
[EventDate "1979.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "YUG"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. 0-0 c6 6. Bc4 Nf6 7. c3 Nxe4 8. cxd4 d5 9. Bd3 Bd6 10. Nc3 0-0 11. Bxe4 dxe4 12. d3 exd3 13. Qxd3 Be6 14. f4 f5 15. Be3 Bc7 16. Rfe1 Bd5 17. Re2 Qd7 18. Nxd5 Qxd5 19. Qb3 Qxb3 20. axb3 Rfe8 21. Rae1 Bb6 22. Bf2 Kf7 23. Re5 g6 24. g3 Bc7 25. Rxe8 Rxe8 26. Ra1 a6 27. Kf1 Bb6 28. Rd1 Rd8 29. Ke2 Ke6 30. d5+ cxd5 31. Bxb6 Rc8 32. Kd2 d4 33. Bxd4 Kd5 34. Kd3 Rc6 35. Re1 Rc7 36. Re5+ Kd6 37. Bc3 Rd7 38. Bb4+ Kc6+ 39. Ke2 a5 40. Bxa5 h5 41. Re6+ Kb5 42. Bc3 1-0

[Event "AUS corr"]
[Site "Australia"]
[Date "1977.??.??"]
[Round "?"]
[White "Chess, Mike"]
[Black "Sprague, Ross Frederick"]
[Result "1-0"]
[ECO "B36"]
[PlyCount "69"]
[EventDate "1977.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "AUS"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Bg5 0-0 10. Qd2 Be6 11. Rc1 a6 12. b3 Qa5 13. f3 b5 14. Nd5 Qxd2+ 15. Kxd2 Bxd5 16. cxd5 h6 17. Bh4 g5 18. Bf2 Rfc8 19. Rxc8+ Rxc8 20. Rc1 Rxc1 21. Kxc1 Nd7 22. a4 bxa4 23. bxa4 a5 24. Be1 Nc5 25. Bb5 Be5 26. Kc2 Bxh2 27. Bxa5 g4 28. fxg4 Nxe4 29. Bb6 Be5 30. a5 Nc3 31. Bc6 Na2 32. Kb3 Nc1+ 33. Kc4 e6 34. a6 exd5+ 35. Bxd5 1-0

[Event "Chicago op"]
[Site "Chicago"]
[Date "1970.??.??"]
[Round "?"]
[White "Sprague, Ross Frederick"]
[Black "Oshana, David J"]
[Result "0-1"]
[ECO "C40"]
[PlyCount "76"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 Bd6 4. d4 e4 5. Ne5 Nf6 6. Bg5 0-0 7. Nc3 Re8 8. Bb5 Re7 9. Bxf6 gxf6 10. Ng4 c6 11. dxc6 Nxc6 12. Nxf6+ Kg7 13. Qh5 h6 14. Ng4 Re6 15. Bxc6 bxc6 16. Ne3 Rb8 17. Nf5+ Kf8 18. Nxh6 Rg6 19. Nf5 Bxf5 20. Qxf5 Rxb2 21. 0-0 Qh4 22. h3 Rg5 23. Qxe4 Qxh3 24. f4 Rxg2+ 25. Qxg2 Qxc3 26. Rf2 Qxd4 27. c3 Qe3 28. Qf3 Bc5 29. Qxe3 Bxe3 30. Raf1 Rxa2 31. Kg2 Rxf2+ 32. Rxf2 Bxf2 33. Kxf2 Ke7 34. Ke3 Ke6 35. Kd4 a5 36. Kc5 Kf5 37. c4 Kxf4 38. Kxc6 a4 0-1

[Event "Greater Chicago op"]
[Site "Chicago"]
[Date "1970.??.??"]
[Round "7"]
[White "Sprague, Ross Frederick"]
[Black "Tums, John"]
[Result "1-0"]
[ECO "B26"]
[PlyCount "45"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e5 7. Qd2 Rb8 8. f4 b6 9. Nge2 Nge7 10. 0-0 0-0 11. f5 f6 12. g4 g5 13. h4 h6 14. Ng3 Kf7 15. hxg5 hxg5 16. Bxg5 fxg5 17. Qxg5 Bf6 18. Qh5+ Kg7 19. g5 Rh8 20. gxf6+ Kxf6 21. Nd5+ Nxd5 22. Qg6+ Ke7 23. Qg7+ 1-0

[Event "Chicago op"]
[Site "Chicago"]
[Date "1970.??.??"]
[Round "?"]
[White "Warren, James E"]
[Black "Sprague, Ross Frederick"]
[Result "1/2-1/2"]
[ECO "E90"]
[PlyCount "116"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 0-0 7. Bd3 e6 8. 0-0 exd5 9. exd5 a6 10. a4 Re8 11. h3 Nfd7 12. Bf4 Ne5 13. Nxe5 dxe5 14. Be3 Nd7 15. Qd2 f5 16. f4 e4 17. Be2 Bf8 18. a5 Bd6 19. Na4 Qc7 20. Qe1 b5 21. axb6 Nxb6 22. Qa5 Nxd5 23. Qxc7 Nxc7 24. Bxc5 Bxc5+ 25. Nxc5 Rb8 26. b3 Ne6 27. Nxe6 Bxe6 28. Rxa6 Rxb3 29. Rd1 Rb2 30. Bf1 e3 31. Re1 Bc8 32. Ra8 Kf7 33. Re2 Rb4 34. Ra3 Rxc4 35. Raxe3 Rxe3 36. Rxe3 Rxf4 37. Rc3 Bd7 38. Rc7 Ke6 39. Ra7 Rd4 40. Ra6+ Ke5 41. Ra5+ Rd5 42. Ra2 f4 43. Kf2 Bf5 44. Be2 Rc5 45. Rb2 Be4 46. Rb5 Rxb5 47. Bxb5 Kf5 48. Bd7+ Kg5 49. Be6 Bf5 50. Bd5 Kh4 51. Bc6 g5 52. Bd5 h6 53. Bc6 Be6 54. Be4 Bxh3 55. gxh3 Kxh3 56. Kf3 h5 57. Bg6 g4+ 58. Kxf4 h4 1/2-1/2

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.22"]
[Round "12"]
[White "Sprague, Ross Frederick"]
[Black "Pamiljens, John"]
[Result "0-1"]
[ECO "C67"]
[PlyCount "110"]
[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 Nf6 4. d4 Nxe4 5. 0-0 Be7 6. Re1 Nd6 7. Bxc6 dxc6 8. dxe5 Nf5 9. Qe2 0-0 10. Nc3 Nd4 11. Nxd4 Qxd4 12. Rd1 Qg4 13. h3 Qg6 14. Rd3 Bh4 15. Qe4 Qxe4 16. Nxe4 Bf5 17. Re3 Rad8 18. g4 Rd1+ 19. Kg2 Bxe4+ 20. Rxe4 h6 21. f4 Rfd8 22. Re2 Be1 23. f5 Bd2 24. Bxd2 Rxa1 25. a3 b6 26. Bc3 Rad1 27. e6 fxe6 28. Rxe6 R1d6 29. Re3 Kf7 30. h4 Rd5 31. Rf3 Re8 32. g5 hxg5 33. hxg5 Re2+ 34. Kg3 Rxc2 35. g6+ Kf8 36. f6 Rg5+ 37. Kh3 Rxc3 38. Rxc3 c5 39. fxg7+ Kxg7 40. Rd3 Kxg6 41. Rd7 Rh5+ 42. Kg4 Rh7 43. Rd2 Kf6 44. Kf4 Ke6 45. Rg2 Kd5 46. Rc2 Re7 47. Rd2+ Kc4 48. Kf5 a5 49. Kf6 Rh7 50. Ke5 Kb3 51. Rg2 a4 52. Kd5 Rh6 53. Rg3+ Kxb2 54. Kc4 Rh4+ 55. Kb5 c4 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.21"]
[Round "11"]
[White "Rhee, Peter"]
[Black "Sprague, Ross Frederick"]
[Result "1-0"]
[ECO "B75"]
[PlyCount "99"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 Nc6 8. Bc4 Bd7 9. Qd2 Qa5 10. Bb3 Rc8 11. 0-0-0 Ne5 12. Bh6 Bxh6 13. Qxh6 Nc4 14. Bxc4 Rxc4 15. Nb3 Qc7 16. Rhe1 a5 17. Rd2 a4 18. Nd4 a3 19. Nd5 axb2+ 20. Kb1 Qa5 21. Nb3 Qa3 22. Qg7 Rf8 23. Nxf6+ exf6 24. Qxf6 Ra4 25. Qxb2 Qxb2+ 26. Kxb2 Ke7 27. e5 d5 28. Rxd5 Rfa8 29. Rxd7+ Kxd7 30. Nc5+ Ke7 31. Nxa4 Rxa4 32. Kb3 Rd4 33. Re2 Ke6 34. c4 Rd1 35. f4 h5 36. g3 h4 37. gxh4 Rd4 38. Rf2 Kf5 39. Kc3 Rd1 40. Rb2 Rd7 41. Rf2 Rd1 42. Kb4 Ke4 43. Kc5 Ke3 44. Rb2 Rd7 45. h5 gxh5 46. f5 Rc7+ 47. Kd6 Rc6+ 48. Kd7 Kf4 49. e6 fxe6 50. f6 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.20"]
[Round "10"]
[White "Sprague, Ross Frederick"]
[Black "Reynolds, Dan"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "91"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bg5 0-0 8. Rc1 b6 9. Bd3 Bb7 10. 0-0 Nbd7 11. Re1 dxc4 12. Bxc4 Rc8 13. Bb3 h6 14. Bh4 Re8 15. Qe2 Kh8 16. Rcd1 Nd5 17. Bxd5 Bxd5 18. Bxe7 Bxf3 19. Qxf3 Rxe7 20. d5 exd5 21. Qxd5 Rxe1+ 22. Rxe1 Nf6 23. Qxd8+ Rxd8 24. Re7 Re8 25. Rxe8+ Nxe8 26. Kf1 Nd6 27. Ke2 Kg8 28. Kd3 Kf8 29. Ne4 Nb7 30. Kc4 f5 31. Nc3 Nd6+ 32. Kd5 Ke7 33. Kc6 g5 34. Nb5 Nxb5 35. Kxb5 Kd6 36. Ka6 Kc6 37. Kxa7 Kc7 38. Ka6 Kc6 39. b4 h5 40. a4 f4 41. f3 g4 42. b5+ Kc7 43. a5 h4 44. h3 gxf3 45. gxf3 bxa5 46. Ka7 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.19"]
[Round "9"]
[White "Sprague, Ross Frederick"]
[Black "Watson, John L"]
[Result "1/2-1/2"]
[ECO "B71"]
[PlyCount "57"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Bd3 Bg7 11. Qe2+ Qe7 12. Qxe7+ Kxe7 13. 0-0 Nc5 14. Bc4 Be6 15. Bxe6 Nxe6 16. f5 gxf5 17. Rxf5 Rab8 18. Rf3 Nd4 19. Rf2 Ne6 20. Nd1 Bd4 21. Be3 Bxe3 22. Nxe3 Rxb2 23. Nf5+ Kd7 24. Nh6 Rf8 25. Raf1 Nd8 26. Nxf7 Rxf7 27. Rxf7+ Nxf7 28. Rxf7+ Ke6 29. Re7+ 1/2-1/2

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.18"]
[Round "8"]
[White "Spence, Jack"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "B38"]
[PlyCount "94"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 d6 7. Nc3 Nf6 8. Be2 0-0 9. 0-0 Nxd4 10. Bxd4 Be6 11. f4 Qa5 12. Qd3 Bg4 13. Bf3 Bxf3 14. Rxf3 Nd7 15. Bxg7 Kxg7 16. Qd4+ f6 17. Nd5 Qc5 18. Qxc5 Nxc5 19. b4 Ne6 20. Rd1 Kf7 21. e5 dxe5 22. fxe5 f5 23. g4 Ng5 24. Rff1 Kg7 25. gxf5 gxf5 26. Nxe7 f4 27. Rd7 Kh8 28. Nd5 f3 29. Kf2 Rae8 30. Re7 Rxe7 31. Nxe7 Rf4 32. Rd1 Rxc4 33. Rd8+ Kg7 34. Rg8+ Kh6 35. Nf5+ Kh5 36. h4 Rc2+ 37. Ke3 Re2+ 38. Kf4 Re4+ 39. Kg3 Rg4+ 40. Kh2 Ne4 41. Rxg4 Kxg4 42. e6 Kxf5 43. e7 Nd6 44. Kg3 Ke6 45. Kxf3 Kxe7 46. Kf4 Kf7 47. Kg5 Kg7 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.17"]
[Round "7"]
[White "Westbrock, John T"]
[Black "Sprague, Ross Frederick"]
[Result "1/2-1/2"]
[ECO "A67"]
[PlyCount "69"]
[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. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Bd3 Qh4+ 10. g3 Qe7 11. Nf3 0-0 12. 0-0 Na6 13. Re1 Nc7 14. Bf1 Qd8 15. e5 Nb6 16. a4 Bg4 17. a5 Nc8 18. h3 Bxf3 19. Qxf3 Re8 20. e6 fxe6 21. dxe6 d5 22. Bd2 Rxe6 23. Rxe6 Nxe6 24. Qxd5 Qxd5 25. Nxd5 Bxb2 26. Rb1 Bd4+ 27. Be3 Nd6 28. Bg2 Kf7 29. Bxd4 Nxd4 30. Nc3 Rb8 31. Na4 b6 32. axb6 axb6 33. Rxb6 Rxb6 34. Nxb6 Kg7 35. Bd5 1/2-1/2

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.15"]
[Round "6"]
[White "Sprague, Ross Frederick"]
[Black "Pupols, Viktors"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "80"]
[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 e6 2. d4 d5 3. e5 b6 4. Nf3 Ne7 5. c4 Bb7 6. Nc3 dxc4 7. Bxc4 Nd5 8. 0-0 Be7 9. Bd3 Nxc3 10. bxc3 c5 11. Qc2 h6 12. Rd1 Qc7 13. Bf4 Nd7 14. Be4 cxd4 15. Nxd4 Nc5 16. Nb5 Qc8 17. Bxb7 Qxb7 18. Rd4 0-0 19. Rad1 Rfd8 20. Nd6 Bxd6 21. exd6 Rd7 22. Qe2 f5 23. Qh5 Qc8 24. Be5 Qe8 25. Qe2 Rc8 26. f3 Rf7 27. Qd3 Qc6 28. Rh4 Nd7 29. f4 Nc5 30. Rh3 Ne4 31. Qd4 Qc5 32. Qxc5 Nxc5 33. Re3 Rd7 34. Kf2 Ne4+ 35. Kf3 Rc4 36. Red3 g5 37. h3 h5 38. fxg5 Nxg5+ 39. Kf2 Ne4+ 40. Kg1 Rc5 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.14"]
[Round "5"]
[White "Crane, Ben"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "52"]
[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 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. Bb5 Nd4 6. Bc4 Nh6 7. 0-0 d6 8. h3 Be6 9. d3 0-0 10. g4 Bxc4 11. dxc4 f5 12. exf5 gxf5 13. g5 Nf7 14. Nd5 e6 15. Ne3 b5 16. cxb5 Nxb5 17. c3 d5 18. c4 Nd4 19. Kh1 Nxf3 20. Qxf3 d4 21. Ng2 Nd6 22. Re1 Ne4 23. Rxe4 fxe4 24. Qxe4 Qd7 25. Ne1 e5 26. Kg2 exf4 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.12"]
[Round "3"]
[White "Stoyko, Stephen E"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "A33"]
[PlyCount "136"]
[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. d4 Nf6 2. c4 c5 3. Nf3 e6 4. g3 cxd4 5. Nxd4 Nc6 6. Nc3 Bb4 7. Ndb5 d5 8. cxd5 exd5 9. Bg2 0-0 10. a3 Bxc3+ 11. Nxc3 d4 12. Nb1 Qa5+ 13. Nd2 d3 14. 0-0 dxe2 15. Qxe2 Re8 16. Ne4 Nxe4 17. Bxe4 Bh3 18. Rd1 Bf5 19. f3 Bxe4 20. fxe4 Qb6+ 21. Kg2 Nd4 22. Qf2 Nb3 23. Qxb6 axb6 24. Rb1 Rxe4 25. Rd3 Nc5 26. Re3 f5 27. Rxe4 Nxe4 28. Be3 Rc8 29. Rd1 Rc7 30. g4 fxg4 31. Rd8+ Kf7 32. Bxb6 Rc2+ 33. Kg1 Rxb2 34. Rd7+ Ke6 35. Rxb7 Nc5 36. Rxg7 Rxb6 37. Rxg4 Rb7 38. Rh4 Kf6 39. Kf2 Kg5 40. Rc4 Ne6 41. a4 Rb2+ 42. Kg3 Rb3+ 43. Kf2 h5 44. a5 Ra3 45. Rc6 Ra2+ 46. Kg1 Nf4 47. a6 Kg4 48. Rb6 Nd5 49. Rg6+ Kf3 50. Rg3+ Ke4 51. Rg6 Nf4 52. Rb6 h4 53. Rb4+ Kf3 54. Rb3+ Kg4 55. Rb6 h3 56. Rb1 Rxa6 57. Rd1 Ra2 58. Rc1 Nd3 59. Rd1 Rg2+ 60. Kf1 Nf4 61. Ra1 Rxh2 62. Kg1 Rg2+ 63. Kh1 Rc2 64. Rg1+ Kf3 65. Rf1+ Rf2 66. Ra1 Nh5 67. Ra3+ Kg4 68. Kg1 Rg2+ 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.11"]
[Round "2"]
[White "Sprague, Ross Frederick"]
[Black "Wheeler, Bill"]
[Result "1-0"]
[ECO "B74"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. Nb3 d6 9. f4 a5 10. a4 Be6 11. 0-0 Qc8 12. Kh1 Nb4 13. Bf3 Bg4 14. Bb6 Bxf3 15. Rxf3 Nc6 16. Qe1 Nd7 17. Bg1 Nb4 18. Rc1 Qc4 19. Nd2 Qa6 20. Nb5 Qc6 21. c3 Na6 22. b4 Nb6 23. Bxb6 Qxb6 24. Nc4 Qd8 25. Nxa5 Nc5 26. bxc5 Rxa5 27. cxd6 Rxa4 28. e5 exd6 29. Nxd6 Qe7 30. Rb1 Ra7 31. Qe3 Rfa8 32. Nc8 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.10"]
[Round "1"]
[White "Morrisey, Ken"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "B37"]
[PlyCount "50"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Be6 10. Rb1 Rc8 11. f4 Na5 12. b3 Ng4 13. Bd2 f5 14. Bxg4 fxg4 15. Ne3 Qb6 16. Ncd5 Bxd5 17. exd5 Qd4 18. Kh1 b6 19. Nxg4 h5 20. Nf2 Nb7 21. Nh3 Nc5 22. Qe2 Bf6 23. f5 Ne4 24. fxg6 Nxd2 25. Qxh5 Qh4 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1969.??.??"]
[Round "?"]
[White "Sprague, Ross Frederick"]
[Black "Martz, William E"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "63"]
[EventDate "1969.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Nc6 5. g3 dxe4 6. dxe4 Bc5 7. Bg2 e5 8. 0-0 0-0 9. Qe2 a5 10. Nb3 Bd6 11. a4 b6 12. Rd1 Ba6 13. c4 Nd7 14. Bg5 f6 15. Be3 Qe7 16. Nh4 g6 17. Rac1 Rad8 18. Qg4 Kh8 19. Qh3 Rg8 20. f4 Nc5 21. Rxd6 Qxd6 22. Nxc5 bxc5 23. f5 g5 24. Ng6+ Kg7 25. Qh5 hxg6 26. Qxg6+ Kf8 27. Qh6+ Ke8 28. Qh7 Rf8 29. Bf3 Qe7 30. Bh5+ Kd7 31. Qxe7+ Nxe7 32. Bxc5 0-1

[Event "Greater Chicago op"]
[Site "Chicago"]
[Date "1968.??.??"]
[Round "3"]
[White "Buerger, Edward W"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "A70"]
[PlyCount "88"]
[EventDate "1968.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bd3 0-0 9. 0-0 a6 10. a4 Bg4 11. h3 Bxf3 12. Qxf3 Re8 13. Qe2 Nbd7 14. f4 Qc7 15. g4 Rac8 16. Bc4 Nb6 17. a5 Nxc4 18. Qxc4 Qe7 19. Re1 Nd7 20. Kg2 f5 21. Ra4 b5 22. axb6 Nxb6 23. Qxa6 Nxa4 24. Qxa4 Qh4 25. Qd1 Bd4 26. Bd2 Qf2+ 27. Kh1 Qg3 28. Re2 fxe4 29. Qf1 Qf3+ 30. Qg2 Bxc3 31. Bxc3 Ra8 32. Rf2 Ra1+ 33. Kh2 Qxg2+ 34. Kxg2 Rd1 35. f5 e3 36. Re2 gxf5 37. gxf5 Rxd5 38. f6 Kf7 39. Kf3 Rf5+ 40. Kg4 Rf2 41. Re1 Rg8+ 42. Kh4 Rf4+ 43. Kh5 Rf3 44. h4 d5 0-1

[Event "Greater Chicago op"]
[Site "Chicago"]
[Date "1968.??.??"]
[Round "6"]
[White "Sprague, Ross Frederick"]
[Black "Karklins, Andrew"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "65"]
[EventDate "1968.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. Nc3 Be7 5. d3 Nf6 6. h3 0-0 7. Be3 Na5 8. Qd2 c6 9. Bb3 Qc7 10. 0-0 Nxb3 11. axb3 a6 12. d4 b5 13. b4 exd4 14. Bxd4 Bb7 15. Qf4 Ne8 16. Ne2 a5 17. Ng3 c5 18. bxc5 dxc5 19. Be5 Bd6 20. Rfd1 Bxe5 21. Qxe5 Qxe5 22. Nxe5 Nf6 23. f3 a4 24. Nf5 g6 25. Nd6 Ba6 26. c4 Rab8 27. Rd2 b4 28. Rxa4 Rb6 29. Ra5 Rd8 30. Nexf7 Rd7 31. e5 Ne8 32. Rxc5 Ng7 33. Ng5 1-0

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.19"]
[Round "12"]
[White "Popovych, Orest"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "C30"]
[PlyCount "58"]
[EventDate "1960.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Nf6 5. fxe5 dxe5 6. d4 exd4 7. cxd4 Bb4+ 8. Bd2 Bxd2+ 9. Nbxd2 0-0 10. Bd3 Nc6 11. d5 Bg4 12. Qb3 Ne7 13. Rc1 c6 14. dxc6 Nxc6 15. Bb1 Nd4 16. Qe3 Bxf3 17. gxf3 Qb6 18. Nc4 Qc5 19. a3 Nd5 20. exd5 Rae8 21. Be4 f5 22. b4 Nxf3+ 23. Qxf3 Qd4 24. Nd2 fxe4 25. Qg3 e3 26. Nf1 Qd3 27. Rd1 Qc3+ 28. Ke2 Qc2+ 29. Ke1 e2 0-1

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.18"]
[Round "11"]
[White "Sprague, Ross Frederick"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]
[ECO "C63"]
[PlyCount "114"]
[EventDate "1960.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 Nf6 5. 0-0 fxe4 6. Bxc6 dxc6 7. Ng5 Bf5 8. Qe2 Qd4 9. Re1 Bc5 10. d3 Bg4 11. Qe3 Qxe3 12. Bxe3 Bb4 13. Ngxe4 Nxe4 14. dxe4 0-0-0 15. f3 Be6 16. Red1 Rdf8 17. a3 Be7 18. Ne2 b6 19. Nc1 Bd6 20. Bf2 h5 21. h4 g5 22. Nd3 g4 23. fxg4 Bxg4 24. Re1 Rhg8 25. Kh2 Bd7 26. Bg3 Rg4 27. Bxe5 Rfg8 28. Re2 Be7 29. Rf1 Rxh4+ 30. Kg1 Bg4 31. Ref2 Bh3 32. Re2 Bg4 33. Ref2 Be6 34. Rf4 Rxf4 35. Nxf4 Bg4 36. Bd4 Rd8 37. Be3 Bg5 38. Re1 Bh4 39. Rf1 Bg5 40. Re1 Re8 41. Nd3 Bf6 42. Bf4 Bd4+ 43. Kh2 c5 44. c3 Bg7 45. Nf2 Rf8 46. Bg3 Be6 47. Nh3 Bh6 48. Nf2 Bg5 49. Nd3 h4 50. Be5 Bc4 51. Nc1 Rf2 52. b3 Bd2 53. Rg1 Bf1 54. Na2 Bd3 55. Kh3 Bg5 56. Kg4 Bd8 57. Nc1 Bxe4 0-1

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.17"]
[Round "10"]
[White "Davis, Henry"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "44"]
[EventDate "1960.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. f4 d6 8. c3 Ne6 9. f5 Nc5 10. Nd2 c6 11. b4 Ncxe4 12. Nxe4 Nxe4 13. Qf3 Nf6 14. Qg3 Rg8 15. Kh1 Qe7 16. Be3 b6 17. Rae1 Bb7 18. Bd4 0-0-0 19. a4 Qc7 20. Bg1 c5 21. bxc5 Nh5 22. Qg4 Nf4 0-1

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.16"]
[Round "9"]
[White "Sprague, Ross Frederick"]
[Black "Macskasy, Elod"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "43"]
[EventDate "1960.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d3 b6 3. g3 Bb7 4. Bg2 d5 5. Nd2 Nd7 6. Ngf3 dxe4 7. dxe4 Ngf6 8. Qe2 Nc5 9. e5 Ba6 10. Nc4 Qd5 11. b3 Nfe4 12. 0-0 Rd8 13. Bb2 Na4 14. Ng5 Bxc4 15. bxc4 Qd7 16. Bxe4 Nxb2 17. Qf3 Qe7 18. Bc6+ Rd7 19. Bxd7+ Qxd7 20. Rad1 Nxd1 21. Rxd1 Bd6 22. Qa8+ 1-0

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.14"]
[Round "7"]
[White "Sprague, Ross Frederick"]
[Black "Brasket, Curt Justin"]
[Result "1/2-1/2"]
[ECO "B34"]
[PlyCount "61"]
[EventDate "1960.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nc3 Nf6 7. f3 0-0 8. Qd2 d5 9. 0-0-0 Nxd4 10. Bxd4 dxe4 11. Nxe4 Nxe4 12. fxe4 e5 13. Bc5 Qxd2+ 14. Rxd2 Bh6 15. Bxf8 Kxf8 16. Bd3 Bg4 17. h3 Be6 18. b3 Ke7 19. Kd1 Bxd2 20. Kxd2 Rg8 21. Rf1 f6 22. Ke3 h6 23. Rf2 Rf8 24. g4 h5 25. gxh5 gxh5 26. Be2 Bxh3 27. Bxh5 Rh8 28. Be2 Be6 29. Rg2 Rh3+ 30. Kd2 Kf7 31. Bg4 1/2-1/2

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.13"]
[Round "6"]
[White "Leopoldi, Norbert"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "D63"]
[PlyCount "102"]
[EventDate "1960.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. Bg5 d5 4. c4 Nbd7 5. a3 Be7 6. Nc3 0-0 7. e3 c6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Rc1 Nxc3 11. Rxc3 e5 12. Nxe5 Nxe5 13. dxe5 Qxe5 14. Be2 Be6 15. 0-0 Rfd8 16. Qc1 Rd6 17. f4 Qf6 18. Bf3 Rad8 19. Rf2 Bd5 20. Rd3 Bxf3 21. Rxd6 Qxd6 22. gxf3 Qd1+ 23. Qxd1 Rxd1+ 24. Kg2 Kf8 25. f5 Ke7 26. Kg3 c5 27. Kf4 b5 28. h4 a5 29. Rc2 Kd6 30. Rg2 Rb1 31. e4 g6 32. Rd2+ Ke7 33. Rd5 Rc1 34. b4 axb4 35. fxg6 fxg6 36. axb4 cxb4 37. h5 gxh5 38. Rxh5 b3 39. Rxb5 Rc3 40. Rb6 Kd7 41. e5 Kc7 42. Rb4 Kc6 43. Ke4 Kc5 44. Rb8 Rc4+ 45. Kd3 Rb4 46. Rc8+ Kd5 47. Rc1 b2 48. Rb1 Kxe5 49. Kc3 Rb8 50. Kd3 Kf4 51. Kc2 h5 0-1

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.10"]
[Round "3"]
[White "Sprague, Ross Frederick"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]
[ECO "B55"]
[PlyCount "84"]
[EventDate "1960.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bb5+ Nbd7 6. 0-0 a6 7. Bxd7+ Bxd7 8. Nc3 e6 9. Be3 b5 10. a3 Be7 11. f4 Qc7 12. Qf3 0-0 13. g4 d5 14. e5 Ne8 15. Rad1 b4 16. axb4 Bxb4 17. Nce2 f6 18. Qg3 g6 19. Rf2 fxe5 20. fxe5 Rxf2 21. Bxf2 Ng7 22. Be3 Be7 23. Rf1 a5 24. h4 Rf8 25. Rxf8+ Bxf8 26. h5 a4 27. hxg6 hxg6 28. Qf4 Be7 29. c3 Qb8 30. Bc1 Be8 31. Nf3 Qb3 32. Ned4 Qd1+ 33. Kg2 Qd3 34. Ng5 Bxg5 35. Qxg5 a3 36. bxa3 Qxc3 37. Qd2 Qc4 38. Bb2 Qc7 39. Nf3 Ba4 40. Qc3 Qxc3 41. Bxc3 Kf7 42. Kg3 Bd1 1/2-1/2

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.08.01"]
[Round "12"]
[White "Gilden, Lawrence C"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "E74"]
[PlyCount "90"]
[EventDate "1959.07.20"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 Qa5 8. Bd2 a6 9. Nf3 Qc7 10. 0-0 e5 11. dxe6 fxe6 12. h3 Nc6 13. Be3 e5 14. Bg5 Nd4 15. Bxf6 Bxf6 16. Nd5 Qd8 17. a3 Be6 18. Nh2 Bxd5 19. exd5 Bg5 20. Nf3 Nxe2+ 21. Qxe2 Qf6 22. b4 b6 23. Rab1 Rab8 24. Rb3 Bh6 25. Rfb1 Rbe8 26. bxc5 bxc5 27. Qe4 Qf4 28. Qxf4 Rxf4 29. Rb8 Ref8 30. Rxf8+ Rxf8 31. Rb6 e4 32. Nh2 e3 33. fxe3 Bxe3+ 34. Kh1 Bf4 35. Nf3 Re8 36. Rxa6 Rb8 37. g4 Rb3 38. Kg2 Rb2+ 39. Kf1 Be3 40. Ra8+ Kf7 41. Ke1 Rf2 42. Ra7+ Kf6 43. g5+ Kf5 44. Rf7+ Ke4 45. Ng1 Rxf7 0-1

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.31"]
[Round "11"]
[White "Sprague, Ross Frederick"]
[Black "Ramirez, Gilbert"]
[Result "0-1"]
[ECO "B56"]
[PlyCount "48"]
[EventDate "1959.07.20"]
[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 c5 2. Ne2 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bb5+ Bd7 6. 0-0 Nc6 7. Nc3 g6 8. h3 Bg7 9. Be3 0-0 10. Nb3 Rc8 11. f4 a6 12. Be2 b5 13. Bf3 b4 14. Nd5 Nxd5 15. exd5 Na5 16. Bd4 Bxd4+ 17. Qxd4 Rxc2 18. Qxb4 Nxb3 19. Qxb3 Qc7 20. Be4 Re2 21. Qf3 Qc5+ 22. Kh1 Re3 23. Rfc1 Qb6 24. Qf2 Rxh3+ 0-1

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.28"]
[Round "8"]
[White "Sprague, Ross Frederick"]
[Black "Hartleb, Glenn E"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "70"]
[EventDate "1959.07.20"]
[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. d4 exd4 6. 0-0 Be7 7. Nxd4 0-0 8. Nc3 Nxd4 9. Qxd4 b5 10. Bb3 c5 11. Qe3 c4 12. e5 Ne8 13. Nd5 cxb3 14. Qf3 Rb8 15. Be3 Bb7 16. Bb6 Qxb6 17. Nxb6 Bxf3 18. Nxd7 Rd8 19. Nxf8 Be4 20. axb3 Nc7 21. Nxh7 Bxh7 22. c4 bxc4 23. bxc4 Bc2 24. Rfc1 Rd2 25. b4 Bxb4 26. Ra2 Rd1+ 27. Rxd1 Bxd1 28. f4 a5 29. Kf2 a4 30. Ke3 a3 31. Kd3 Bb3 32. Ra1 Ne6 33. f5 Nc5+ 34. Kd4 a2 35. g4 Na4 0-1

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.27"]
[Round "7"]
[White "Ulvestad, Olaf"]
[Black "Sprague, Ross Frederick"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "33"]
[EventDate "1959.07.20"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. f4 0-0 5. Nf3 d6 6. e4 Nbd7 7. e5 Ne8 8. h4 c5 9. c3 Nc7 10. h5 Re8 11. hxg6 hxg6 12. f5 dxe5 13. fxg6 f6 14. Bh6 Ne6 15. Bc4 Nb6 16. Bxe6+ Bxe6 17. Qc1 1-0

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.24"]
[Round "5"]
[White "Simpson, Ron"]
[Black "Sprague, Ross Frederick"]
[Result "0-1"]
[ECO "A51"]
[PlyCount "34"]
[EventDate "1959.07.20"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. a3 d6 5. exd6 Bxd6 6. Nf3 Nxf2 7. Qd4 Nxh1 8. Qxg7 Rf8 9. Qxh7 Bc5 10. e3 Qe7 11. Qd3 Bg4 12. Nbd2 Bxe3 13. Qe4 Bxd2+ 14. Nxd2 Qxe4+ 15. Nxe4 f5 16. Ng5 Nc6 17. Bf4 0-0-0 0-1

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.22"]
[Round "3"]
[White "Saidy, Anthony Fred"]
[Black "Sprague, Ross Frederick"]
[Result "1-0"]
[ECO "A52"]
[PlyCount "95"]
[EventDate "1959.07.20"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nc3 Qe7 7. Qd5 f6 8. exf6 Nxf6 9. Qd3 0-0 10. g3 d6 11. Bg2 Bxc3+ 12. Qxc3 Ne4 13. Qe3 Bd7 14. Ng5 Nxg5 15. Qxe7 Nxe7 16. Bxg5 Bc6 17. 0-0 Bxg2 18. Kxg2 Rae8 19. e4 Nc6 20. f3 h6 21. Be3 Rf7 22. Rad1 b6 23. b3 a5 24. Bd2 Rfe7 25. Bc3 Kf7 26. Rf2 Ne5 27. Rd5 Nd7 28. a3 Ra8 29. Re2 Nc5 30. Rb2 Ree8 31. Bd4 Nd3 32. Rb1 Nc5 33. Bf2 Nb7 34. Rb2 Nc5 35. b4 axb4 36. axb4 Nb7 37. c5 bxc5 38. bxc5 Nxc5 39. Bxc5 dxc5 40. Rb7 Re7 41. Rxc5 Rc8 42. Rc6 Ke8 43. Kf2 Kd8 44. Ra6 Rd7 45. f4 Rd2+ 46. Ke3 Rxh2 47. Rg6 Ra8 48. Rxg7 1-0

[Event "US Open-59"]
[Site "Rochester"]
[Date "1958.08.05"]
[Round "2"]
[White "Santasiere, Anthony Edward"]
[Black "Sprague, Ross Frederick"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "89"]
[EventDate "1958.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 d6 3. g3 g6 4. Bg2 Bg7 5. c3 Nc6 6. d4 e5 7. dxc5 dxc5 8. Qxd8+ Nxd8 9. Be3 b6 10. 0-0 Ne7 11. a4 Ba6 12. Re1 0-0 13. Na3 Ndc6 14. Nb5 Bxb5 15. axb5 Nd8 16. Red1 Ne6 17. Rd7 Nc8 18. Bh3 Re8 19. Nc1 Re7 20. Rd1 Rc7 21. Bf1 Ne7 22. f4 Rd8 23. Rxd8+ Nxd8 24. fxe5 Bxe5 25. Nd3 Bg7 26. Nf4 Rd7 27. Kf2 Kf8 28. g4 h6 29. h4 Bf6 30. g5 hxg5 31. hxg5 Bxg5 32. Bh3 Rd6 33. e5 Bxf4 34. exd6 Bxd6 35. Rxa7 Be5 36. Ra8 Ke8 37. b4 Nd5 38. bxc5 bxc5 39. Bxc5 Nxc3 40. Bb6 Bf6 41. Bxd8 Bxd8 42. b6 Ne4+ 43. Ke2 Nd6 44. Bg2 Kd7 45. b7 1-0

[Event "US Open-58"]
[Site "Cleveland"]
[Date "1957.08.05"]
[Round "1"]
[White "Sprague, Ross Frederick"]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "B74"]
[PlyCount "58"]
[EventDate "1957.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 Be6 9. 0-0 Qc8 10. Kh1 0-0 11. f4 Rd8 12. Bf3 Bc4 13. Rf2 e5 14. Rd2 Qe6 15. Qe1 Ng4 16. Bxg4 Qxg4 17. h3 Qe6 18. Rad1 Rac8 19. Qf2 exf4 20. Bxf4 Bxc3 21. bxc3 Qxe4 22. Bxd6 Re8 23. Nc5 Qe3 24. Qf6 Be2 25. Rxe2 Qxe2 26. Rf1 Ne5 27. Bxe5 Qxe5 28. Qxf7+ Kh8 29. Nd3 Qg7 0-1

