[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.22"]
[Round "12"]
[White "Spence, Jack"]
[Black "Elliott, Walter"]
[Result "1-0"]
[ECO "C18"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 cxd4 6. axb4 dxc3 7. Qg4 g6 8. bxc3 Qc7 9. Qg3 Ne7 10. Bd2 Nf5 11. Qf4 Nc6 12. Bb5 Bd7 13. Bxc6 Bxc6 14. Nf3 a6 15. 0-0 0-0-0 16. Nd4 Bd7 17. Ra5 Ne7 18. Qxf7 Nc6 19. Nxc6 Bxc6 20. Qxe6+ Bd7 21. Qf7 Rdf8 22. Qxd5 Bb5 23. Rd1 Bc6 24. Qe6+ Bd7 25. Qd6 Bb5 26. Bg5 Qf7 27. Bf6 h5 28. Rd5 Qxd5 29. Qxd5 Rd8 30. Qc5+ Bc6 31. Bxd8 Rxd8 32. Ra1 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.20"]
[Round "10"]
[White "Spence, Jack"]
[Black "Vavoulis, Don"]
[Result "1-0"]
[ECO "C16"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. Bd2 Nc6 6. a3 Bf8 7. Nf3 f6 8. Bd3 Qf7 9. 0-0 Nxd4 10. Nxd4 fxe5 11. Bb5+ Bd7 12. Bxd7+ Kxd7 13. Nf3 Bd6 14. Qe2 e4 15. Ng5 Qe8 16. Qb5+ Ke7 17. Qxe8+ Rxe8 18. f4 h6 19. Nh3 Nf6 20. b4 a6 21. Ne2 b6 22. Nd4 Kd7 23. Rad1 c5 24. Nb3 Rc8 25. bxc5 bxc5 26. Nf2 c4 27. Nd4 Bxa3 28. c3 Bd6 29. Ra1 Ra8 30. Rfb1 Rhb8 31. g4 Ne8 32. h4 Nc7 33. Be3 Rxb1+ 34. Rxb1 a5 35. g5 a4 36. Ng4 hxg5 37. hxg5 a3 38. Ne5+ Ke8 39. Nec6 Bc5 40. Kf2 Kf7 41. Ne5+ Ke8 42. Ndc6 Bxe3+ 43. Kxe3 a2 44. Rh1 d4+ 45. Kxd4 a1Q 46. Rh8# 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.19"]
[Round "9"]
[White "Morrisey, Ken"]
[Black "Spence, Jack"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "53"]
[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. d3 d5 3. Nd2 c5 4. g3 g6 5. Bg2 Bg7 6. Ngf3 Nc6 7. 0-0 Nge7 8. Re1 0-0 9. e5 b6 10. Nf1 Bb7 11. h4 Qc7 12. Bf4 d4 13. Qd2 Rfd8 14. N1h2 Nb4 15. Ng4 Nf5 16. Nf6+ Kh8 17. g4 Bxf3 18. Bxf3 Nxh4 19. Be4 Nxc2 20. Bg5 Nxa1 21. Bxh4 c4 22. dxc4 Qxc4 23. Rxa1 Qc5 24. Qf4 d3 25. Bg5 d2 26. Rd1 Rd4 27. Qh2 1-0

[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 "Sweetman, Edward"]
[Black "Spence, Jack"]
[Result "0-1"]
[ECO "E32"]
[PlyCount "62"]
[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 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 0-0 5. Bg5 c5 6. d5 d6 7. a3 Bxc3+ 8. Qxc3 e5 9. Qc2 Nbd7 10. e4 a6 11. Nf3 b5 12. Nd2 Qa5 13. Be2 b4 14. 0-0 Qb6 15. Kh1 a5 16. f4 h6 17. fxe5 hxg5 18. exf6 Nxf6 19. e5 dxe5 20. Ne4 Nxe4 21. Qxe4 Qd6 22. axb4 cxb4 23. Qe3 g4 24. Rad1 f5 25. c5 f4 26. Qc1 Qh6 27. d6 g3 28. h3 Bxh3 29. Kg1 Bg4 30. Bc4+ Kh8 31. Rf3 Bxf3 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.15"]
[Round "6"]
[White "Frankle, Jon"]
[Black "Spence, Jack"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "64"]
[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. f4 d5 2. b3 c5 3. Nf3 Nc6 4. e3 Bf5 5. Bb5 Qb6 6. Bxc6+ bxc6 7. 0-0 e6 8. d3 Be7 9. Bb2 Bf6 10. Ne5 h5 11. Nd2 Nh6 12. Qc1 Ng4 13. Nxg4 hxg4 14. Bxf6 gxf6 15. g3 c4 16. d4 c3 17. Nb1 c5 18. Nxc3 cxd4 19. Na4 Qb5 20. exd4 Rc8 21. c3 Be4 22. Rf2 Qd3 23. Qd2 Qxg3+ 24. Rg2 Qxg2+ 25. Qxg2 Bxg2 26. Kxg2 Rh3 27. Re1 Ke7 28. Re2 f5 29. Rf2 Rch8 30. Kg1 g3 31. hxg3 Rxg3+ 32. Kf1 Rh1+ 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.14"]
[Round "5"]
[White "Spence, Jack"]
[Black "Dempler, William R"]
[Result "1/2-1/2"]
[ECO "C27"]
[PlyCount "44"]
[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. Nc3 Nf6 3. Bc4 Bb4 4. d3 d5 5. exd5 Nxd5 6. Bd2 Nxc3 7. bxc3 Bc5 8. Qh5 0-0 9. Ne2 Nd7 10. 0-0 Qf6 11. Ng3 Qg6 12. Qe2 Nb6 13. Bb3 Re8 14. Kh1 Be6 15. Ne4 Bxb3 16. axb3 Bd6 17. c4 f5 18. Nc3 c6 19. Na4 Nxa4 20. Rxa4 c5 21. c3 a6 22. b4 Rad8 1/2-1/2

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.13"]
[Round "4"]
[White "Cramer, Fred"]
[Black "Spence, Jack"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "102"]
[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. b3 d5 3. Bb2 dxe4 4. Nc3 Nf6 5. Qe2 Be7 6. 0-0-0 a5 7. a4 b6 8. Qb5+ Nbd7 9. Qg5 Bb7 10. Bc4 Nf8 11. Nge2 Ng6 12. Qg3 Bd6 13. Qh3 Qe7 14. Nb5 0-0-0 15. Nxd6+ Qxd6 16. Qg3 h5 17. Nc3 h4 18. Qxd6 cxd6 19. h3 Nf4 20. Ne2 Nxe2+ 21. Bxe2 d5 22. Bd4 Nd7 23. Bb5 Kc7 24. Bxd7 Rxd7 25. Bxg7 Rh7 26. Bf6 Kd6 27. g4 hxg3 28. fxg3 Rh6 29. Bd4 Kc6 30. Rdf1 f5 31. g4 fxg4 32. hxg4 Rxh1 33. Rxh1 Rd8 34. g5 Rg8 35. Bf6 d4 36. Rh8 Rg6 37. Rh6 Rg8 38. g6 Kd6 39. g7 e5 40. Rh5 Ke6 41. Bxe5 e3 42. dxe3 dxe3 43. Bd4 Kd6 44. Rh3 e2 45. Kd2 Re8 46. Ke1 Bd5 47. Bxb6 Re7 48. Rg3 Bg8 49. Bxa5 Kc5 50. Bd2 Kd4 51. Rg4+ Kc5 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.12"]
[Round "3"]
[White "Spence, Jack"]
[Black "Vinje, Oscar"]
[Result "1-0"]
[ECO "C27"]
[PlyCount "41"]
[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. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 Qe7 8. Nxc7+ Kd8 9. Nxa8 Nd4 10. Qc3 N6b5 11. Qa5+ b6 12. Nxb6 axb6 13. Qxb6+ Nc7 14. c3 Nde6 15. Ne2 Bg7 16. 0-0 h5 17. d4 exd4 18. Nxd4 Nxd4 19. cxd4 g5 20. Bd2 Rh6 21. Qa5 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.11"]
[Round "2"]
[White "Benko, Pal C"]
[Black "Spence, Jack"]
[Result "1-0"]
[ECO "A10"]
[PlyCount "45"]
[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. c4 e6 2. Nc3 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 c5 7. d4 cxd4 8. Nxd4 Nc6 9. b3 Bc5 10. Nc2 a6 11. Na4 Be7 12. c5 d5 13. cxd6 Bxd6 14. Bb2 Qc7 15. Nd4 Bd7 16. Rc1 f4 17. Qd3 Ng4 18. Nxc6 Bxc6 19. Bxc6 bxc6 20. Qe4 Ne5 21. Bxe5 Bxe5 22. Rxc6 Qb7 23. Nc5 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.10"]
[Round "1"]
[White "Spence, Jack"]
[Black "Williams, John R"]
[Result "1-0"]
[ECO "C12"]
[PlyCount "107"]
[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. Nc3 Nf6 4. Bg5 h6 5. Bxf6 Qxf6 6. exd5 Bb4 7. Bb5+ c6 8. dxc6 Bxc3+ 9. bxc3 Nxc6 10. Qf3 Qxf3 11. Nxf3 Bd7 12. 0-0-0 a6 13. Bd3 0-0 14. Rhe1 b5 15. Be4 Rac8 16. d5 exd5 17. Bxd5 Nb8 18. Ne5 Rxc3 19. Nxf7 Kh7 20. Be4+ Kg8 21. Ne5 Bc6 22. Kb2 Rc5 23. Bxc6 Nxc6 24. Nd7 Rcf5 25. Nxf8 Kxf8 26. f3 Ne5 27. Kb3 Nc4 28. a4 Na5+ 29. Kb4 Nc6+ 30. Ka3 b4+ 31. Kb3 Rf4 32. Re4 Rf5 33. Rd6 Rc5 34. Re3 Kf7 35. f4 a5 36. g4 g5 37. f5 Kf8 38. h3 Ne5 39. Re6 Nc6 40. Rd3 Rc3+ 41. Rxc3 Nd4+ 42. Kc4 Nxe6 43. Re3 Nf4 44. Kb5 Kf7 45. Kxa5 Kf6 46. Kb5 Nd5 47. a5 Nxe3 48. Kxb4 Nxc2+ 49. Kc5 h5 50. a6 hxg4 51. hxg4 Ne3 52. a7 Nxg4 53. a8Q Kxf5 54. Qf3+ 1-0

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.23"]
[Round "10"]
[White "Spence, Jack"]
[Black "Szedlacsek, Louis"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "76"]
[EventDate "1962.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Be7 6. Be3 Ngf6 7. Ng3 0-0 8. Bd3 c5 9. 0-0 cxd4 10. Nxd4 Ne5 11. Be2 Nd5 12. Bd2 Qb6 13. Nb3 a5 14. c4 Nb4 15. Be3 Qc7 16. a3 Rd8 17. Qc1 Nbd3 18. Qc2 Qxc4 19. Bxd3 Rxd3 20. Qxc4 Nxc4 21. Nc5 Rd5 22. Na4 Nxe3 23. fxe3 Bg5 24. e4 Rd2 25. Rfd1 Bd7 26. Nc3 Bc6 27. Rxd2 Bxd2 28. Kf2 Kf8 29. Rd1 Bf4 30. Nge2 Bc7 31. Nd4 Bb6 32. Ke2 Be8 33. Ndb5 Ke7 34. Nd6 Bc6 35. b4 axb4 36. axb4 Bc7 37. Nc4 b5 38. Ne3 Bxh2 0-1

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.22"]
[Round "9"]
[White "Mego, Joseph"]
[Black "Spence, Jack"]
[Result "0-1"]
[ECO "A81"]
[PlyCount "82"]
[EventDate "1962.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 c5 5. 0-0 d5 6. c4 Be7 7. dxc5 Bxc5 8. cxd5 Nxd5 9. Ng5 0-0 10. e4 Nb4 11. Qb3 Qb6 12. Na3 h6 13. Nc4 Qa6 14. Nh3 N8c6 15. Be3 Bxe3 16. Nxe3 Qd3 17. exf5 Qxb3 18. axb3 exf5 19. Rfd1 Be6 20. Nf4 Bxb3 21. Rd7 Rf7 22. Rxf7 Kxf7 23. Nxf5 Rd8 24. Re1 Nc2 25. Rc1 Rd2 26. Ne3 Nxe3 27. fxe3 Rxb2 28. Bxc6 bxc6 29. Rxc6 a5 30. Rc7+ Kg8 31. Ra7 a4 32. Nd3 Ra2 33. Nc5 Bc2 34. Ne6 a3 35. Rxg7+ Kh8 36. Ra7 Ra1+ 37. Kf2 Bd3 38. Nf4 Bc4 39. Ng6+ Kg8 40. Kf3 a2 41. Ne5 Bb3 0-1

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.21"]
[Round "8"]
[White "Spence, Jack"]
[Black "Smith, Kenneth Ray"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "82"]
[EventDate "1962.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 Qc7 8. Be2 d5 9. exd5 exd5 10. Nb3 Be6 11. 0-0 Bb4 12. Na4 Nbd7 13. a3 Bd6 14. f4 Bf5 15. Nd4 Be4 16. Bd3 Nc5 17. Nxc5 Bxc5 18. Qe2 0-0 19. Bxe4 Nxe4 20. Rae1 Rfe8 21. c3 Nd6 22. f5 Bxd4 23. cxd4 Re4 24. Qh5 Rae8 25. Bd2 Rxe1 26. Bxe1 Ne4 27. Qf3 f6 28. Qb3 Qc6 29. Bc3 b5 30. Ba5 Rc8 31. Re1 Qc4 32. Qe3 Qc2 33. Bc3 a5 34. Rc1 Qb3 35. Qe1 b4 36. axb4 axb4 37. Bd2 Rc4 38. Ra1 h6 39. Ra8+ Kh7 40. Be3 Qxb2 41. h3 Qc3 0-1

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.20"]
[Round "7"]
[White "Payne, John Bob"]
[Black "Spence, Jack"]
[Result "0-1"]
[ECO "C19"]
[PlyCount "76"]
[EventDate "1962.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 Ne7 8. Be2 0-0 9. 0-0 Nbc6 10. a4 cxd4 11. cxd4 f5 12. Ba3 h6 13. Qd2 Rf7 14. h4 Na5 15. Bd6 Qd8 16. Qc3 b6 17. h5 Bb7 18. Nd2 Rc8 19. Qd3 Nc4 20. Nxc4 dxc4 21. Qg3 f4 22. Qh3 Nf5 23. Bg4 Qe8 24. c3 Bd5 25. Rfe1 Qc6 26. a5 b5 27. Bc5 a6 28. Kh2 Kh7 29. Rad1 Rg8 30. Bf3 g6 31. Rg1 gxh5 32. Qxh5 Rfg7 33. Qh3 Rg5 34. Rd2 Qe8 35. Re1 Qg6 36. Kg1 Bxf3 37. Qxf3 Nh4 38. Qh3 Rxg2+ 0-1

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.19"]
[Round "6"]
[White "Spence, Jack"]
[Black "Irwin, Peter"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "61"]
[EventDate "1962.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 e6 5. d4 Nd7 6. Nge2 c6 7. 0-0 N7b6 8. Bb3 Bd6 9. Ne4 Bxh2+ 10. Kxh2 Qh4+ 11. Kg1 Qxe4 12. Ng3 Qg6 13. c4 Ne7 14. Re1 0-0 15. Re4 f5 16. Rh4 Bd7 17. Nh5 Be8 18. Qf3 h6 19. Bd2 Qh7 20. Bb4 g5 21. Rh2 Bxh5 22. Qxh5 Rf6 23. Bc3 Rg6 24. Re1 Qf7 25. Qe2 Re8 26. d5 exd5 27. Qe5 Kh7 28. cxd5 Nbxd5 29. Bxd5 Qxd5 30. Rxh6+ Kxh6 31. Qh2# 1-0

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.17"]
[Round "5"]
[White "Burgar, Wesley"]
[Black "Spence, Jack"]
[Result "1/2-1/2"]
[ECO "E43"]
[PlyCount "57"]
[EventDate "1962.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. Nf3 Ne4 9. Bb2 0-0 10. 0-0 f5 11. Qc2 d6 12. Rad1 Nd7 13. Nd2 Nxd2 14. Rxd2 Qg5 15. f4 Qg6 16. d5 Rae8 17. Qa4 Bc8 18. Rf3 e5 19. Qxa7 exf4 20. exf4 Re1+ 21. Rf1 Qe8 22. Rdf2 Qe3 23. Rxe1 Qxe1+ 24. Bf1 Qe3 25. g3 Nf6 26. Kg2 Qe4+ 27. Kg1 Qe3 28. Kg2 Qe4+ 29. Kg1 1/2-1/2

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.16"]
[Round "4"]
[White "Matzner, Stephen"]
[Black "Spence, Jack"]
[Result "1/2-1/2"]
[ECO "E29"]
[PlyCount "77"]
[EventDate "1962.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 0-0 7. Bd3 Nc6 8. Nf3 b6 9. e4 d6 10. Bg5 e5 11. d5 Na5 12. Nd2 h6 13. Bh4 g5 14. Bg3 Bg4 15. Be2 Qc8 16. h3 Bxe2 17. Qxe2 Kg7 18. Nf1 a6 19. f3 Nh5 20. h4 Nf4 21. Bxf4 gxf4 22. g3 f5 23. gxf4 fxe4 24. Rg1+ Kh7 25. Qxe4+ Qf5 26. fxe5 dxe5 27. Ne3 Qxe4 28. fxe4 Rf4 29. Rb1 Rxe4 30. Kd2 b5 31. cxb5 c4 32. Rb4 axb5 33. Rxb5 Nb3+ 34. Ke2 Rxa3 35. Rb7+ Kh8 36. Rb8+ Kh7 37. Rb7+ Kh8 38. Rb8+ Kh7 39. Rb7+ 1/2-1/2

[Event "US Open-63"]
[Site "San Antonio"]
[Date "1962.08.14"]
[Round "2"]
[White "Harrow, Martin"]
[Black "Spence, Jack"]
[Result "1-0"]
[ECO "E46"]
[PlyCount "61"]
[EventDate "1962.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 d5 6. a3 Be7 7. cxd5 exd5 8. Nf4 c6 9. Bd3 Bd6 10. 0-0 Bxf4 11. exf4 Re8 12. f3 Nbd7 13. f5 Qb6 14. Bc2 Nf8 15. Kh1 Bd7 16. b4 a5 17. Rb1 axb4 18. axb4 h6 19. g4 N8h7 20. h4 Qc7 21. Rg1 Re7 22. Ne2 Rae8 23. Nf4 Qc8 24. Bd2 b6 25. g5 hxg5 26. hxg5 Ne4 27. fxe4 dxe4 28. f6 Re6 29. Nxe6 Bxe6 30. Qh5 Ba2 31. Bb3 1-0

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.25"]
[Round "11"]
[White "Buczko, H Anthony"]
[Black "Spence, Jack"]
[Result "1-0"]
[ECO "C19"]
[PlyCount "102"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Nbc6 8. h4 c4 9. h5 Qa5 10. Bd2 Bd7 11. g4 0-0-0 12. Ng5 Rdf8 13. h6 g6 14. Qf3 Kb8 15. Qf6 Nc8 16. Qg7 Nd8 17. Nxh7 Rfg8 18. Nf6 Rxg7 19. hxg7 Rxh1 20. Nxd7+ Kc7 21. g8Q Kxd7 22. Qf8 b5 23. Qb4 Qxb4 24. cxb4 Nb6 25. Ke2 Nc6 26. c3 Na4 27. Rb1 Kc7 28. f3 Kb6 29. Kf2 a5 30. Kg2 Rh8 31. Be2 axb4 32. axb4 Kc7 33. Ra1 Rf8 34. Rh1 Nb2 35. Rh7 Kb6 36. Bh6 Ra8 37. Rxf7 Nd3 38. Rg7 Ra3 39. Rxg6 Rxc3 40. Rxe6 Rc2 41. Kf1 Rb2 42. Bxd3 cxd3 43. Ke1 Kc7 44. Rxc6+ Kxc6 45. Bd2 Kd7 46. f4 Ra2 47. f5 Ra6 48. g5 Ke7 49. g6 Ra8 50. f6+ Ke6 51. f7 Rh8 1-0

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.22"]
[Round "8"]
[White "Hoppe, Roy"]
[Black "Spence, Jack"]
[Result "1/2-1/2"]
[ECO "A96"]
[PlyCount "54"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. b3 d6 7. d4 Ne4 8. Nbd2 Bf6 9. Bb2 Nc6 10. Nxe4 fxe4 11. Ne1 d5 12. Nc2 Ne7 13. Ne3 h5 14. Qc2 c6 15. Rad1 Qe8 16. f3 Bg5 17. Bc1 Bxe3+ 18. Bxe3 Nf5 19. Bf4 Nxd4 20. Rxd4 e5 21. Bxe5 Qxe5 22. Rfd1 exf3 23. Bxf3 Qe3+ 24. Kg2 Bf5 25. Qd2 Qxd2 26. R1xd2 dxc4 27. Rxc4 g6 1/2-1/2

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.17"]
[Round "4"]
[White "McCormick, Edgar Thomas"]
[Black "Spence, Jack"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "61"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Nc6 5. Ne2 cxd4 6. cxd4 Bb4 7. e5 Nge7 8. a3 Ba5 9. b4 Bb6 10. Nb3 Bd7 11. g3 0-0 12. Bh3 Nf5 13. 0-0 Nce7 14. Bg5 Ba4 15. Bxf5 exf5 16. Rb1 h6 17. Bxe7 Qxe7 18. Qd3 Bxb3 19. Rxb3 Qd7 20. Rc3 f6 21. exf6 Rxf6 22. Rfc1 Re8 23. Nf4 Re4 24. Rc8+ Kh7 25. Rb8 Rc6 26. Rxc6 Qxc6 27. f3 Bxd4+ 28. Kg2 Be5 29. Rd8 Bxf4 30. fxe4 dxe4 31. Qd5 1-0

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.15"]
[Round "2"]
[White "Spence, Jack"]
[Black "Lapiken, Peter Petrovich"]
[Result "0-1"]
[ECO "C27"]
[PlyCount "74"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Qxe5+ Qe7 6. Qxe7+ Bxe7 7. Bb3 Nf5 8. Nf3 c6 9. d3 d5 10. Bf4 Nd7 11. 0-0-0 Nc5 12. Rde1 Ne6 13. Bd2 h5 14. Ne2 a5 15. a3 a4 16. Ba2 b5 17. h3 h4 18. Ne5 Bd7 19. g4 hxg3 20. fxg3 Bd6 21. Nxd7 Kxd7 22. g4 Nh4 23. Ref1 f6 24. c4 bxc4 25. dxc4 d4 26. Nf4 Nxf4 27. Bxf4 Bxf4+ 28. Rxf4 c5 29. g5 f5 30. Bb1 g6 31. Rg1 Kd6 32. Bd3 Rae8 33. Bc2 Re3 34. Bxa4 Nf3 35. Rg3 Ne5 36. Rxe3 dxe3 37. Kd1 Nd3 0-1

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.14"]
[Round "1"]
[White "Spence, Jack"]
[Black "Cohen, T."]
[Result "1-0"]
[ECO "B02"]
[PlyCount "55"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. Nb5 Ng4 5. Nf3 Nc6 6. Qe2 a6 7. Na3 Qd5 8. c4 dxc3 9. dxc3 Ngxe5 10. Bf4 Nxf3+ 11. gxf3 e5 12. Rd1 Qe6 13. Bg5 Be7 14. h4 h6 15. Bh3 Qxa2 16. Bxe7 Kxe7 17. Bxc8 Raxc8 18. Nc4 f6 19. f4 Rcd8 20. 0-0 b5 21. Ne3 Qe6 22. f5 Qf7 23. Qf3 Na5 24. Nd5+ Kf8 25. Nf4 Rxd1 26. Ng6+ Ke8 27. Rxd1 Rg8 28. Qa8# 1-0

[Event "Koltanowski blindfold sim +50-0=6"]
[Site "San Francisco"]
[Date "1960.12.04"]
[Round "?"]
[White "Koltanowski, George"]
[Black "Spence, Jack"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "21"]
[EventDate "1960.12.04"]
[EventType "simul"]
[EventRounds "1"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Bc5 4. d4 Bb4+ 5. c3 Ba5 6. Bc4 Nc6 7. Nxf7 Qe7 8. Nxh8 Qxe4+ 9. Qe2 d5 10. Qxe4+ dxe4 11. Be3 1-0

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.18"]
[Round "11"]
[White "Ragan, John"]
[Black "Spence, Jack"]
[Result "0-1"]
[ECO "C18"]
[PlyCount "100"]
[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. d4 e6 2. e4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Bd3 c4 8. Be2 Ne7 9. a4 0-0 10. Ba3 Nbc6 11. Qd2 Qa5 12. Nf3 f5 13. exf6 Rxf6 14. 0-0 Ng6 15. Bd6 Qd8 16. Bg3 Qf8 17. Rfb1 b6 18. Qe3 Nge7 19. Be5 Nf5 20. Qf4 Nfxd4 21. Qxd4 Nxd4 22. cxd4 Rf7 23. Ng5 Rb7 24. Bg4 Qe8 25. Ra3 Qg6 26. Rg3 Qxc2 27. Re1 Qxa4 28. Bh5 Qb4 29. Kf1 c3 30. Rc1 c2 31. Nxh7 Qd2 32. Nf6+ Kh8 33. Rh3 Qxc1+ 34. Bd1+ Qh6 35. Rxh6+ gxh6 36. Bxc2 Rf7 37. Ng4+ Rg7 38. Nxh6 a5 39. Ke1 a4 40. Bb1 a3 41. Ba2 Kh7 42. Bxg7 Kxg7 43. Ng4 Ra4 44. Ne3 Rxd4 45. Nc2 Re4+ 46. Kd2 Ba6 47. Ne3 b5 48. Kc3 b4+ 49. Kc2 Bc4 50. Kb1 b3 0-1

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.16"]
[Round "9"]
[White "Spence, Jack"]
[Black "Irwin, John"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "51"]
[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 Nc6 2. d4 e5 3. d5 Nce7 4. c4 Ng6 5. Nc3 Bc5 6. Nf3 d6 7. b4 Bb6 8. a4 a5 9. b5 Nf6 10. h4 Ng4 11. Ra2 h5 12. g3 0-0 13. Ng5 f5 14. f3 Ne3 15. Bxe3 Bxe3 16. f4 Qf6 17. Qxh5 Re8 18. Qh7+ Kf8 19. h5 Nxf4 20. gxf4 Bxf4 21. Ne6+ Bxe6 22. dxe6 Bg3+ 23. Kd1 f4 24. Bh3 c6 25. Rg2 Ke7 26. Rxg3 1-0

[Event "US Open-61"]
[Site "Saint Louis"]
[Date "1960.08.10"]
[Round "3"]
[White "Steinmeyer, Robert H"]
[Black "Spence, Jack"]
[Result "1-0"]
[ECO "D78"]
[PlyCount "109"]
[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. g3 d5 3. Bg2 g6 4. d4 Bg7 5. c4 0-0 6. Nc3 c6 7. 0-0 dxc4 8. a4 Na6 9. a5 c5 10. Ra4 Bd7 11. Rxc4 Qxa5 12. dxc5 Rad8 13. Nd4 Be6 14. Ra4 Qxc5 15. Nxe6 Rxd1 16. Nxc5 Rxf1+ 17. Kxf1 Nxc5 18. Rxa7 Ng4 19. h3 Ne5 20. Be3 b6 21. Bxc5 bxc5 22. Rxe7 Nc4 23. Bd5 Nxb2 24. Ne4 c4 25. Rc7 Be5 26. Rc5 Bd4 27. Rc6 Rd8 28. Bxc4 Nxc4 29. Rxc4 Bg7 30. e3 h6 31. Rc7 Be5 32. Re7 Bg7 33. Ke2 Kf8 34. Ra7 Ke8 35. f4 Kf8 36. Kf3 Bh8 37. Rb7 Bg7 38. Nc5 Kg8 39. Nd7 Re8 40. Rb8 Rxb8 41. Nxb8 Kf8 42. Ke4 f5+ 43. Kd3 Kf7 44. Nc6 Ke6 45. Nd4+ Kd5 46. g4 Bxd4 47. exd4 fxg4 48. hxg4 h5 49. gxh5 gxh5 50. f5 Kd6 51. Ke4 Ke7 52. d5 Kd6 53. f6 Kd7 54. Kf5 h4 55. Kg4 1-0

[Event "corr"]
[Site "corr"]
[Date "1958.??.??"]
[Round "?"]
[White "Spence, Jack"]
[Black "Steinmeyer, Robert H"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "72"]
[EventDate "1958.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nf3 Rb8 7. 0-0 b5 8. a3 e6 9. Rb1 Nge7 10. Be3 Nd4 11. Ne2 e5 12. Nfxd4 cxd4 13. Bd2 Be6 14. f4 0-0 15. h3 f5 16. c3 fxe4 17. dxe4 Qb6 18. Kh2 a5 19. cxd4 exd4 20. g4 b4 21. axb4 axb4 22. Ng3 Bc4 23. Re1 Nc6 24. b3 Bf7 25. h4 Ra8 26. h5 Ra2 27. g5 Ne7 28. Rf1 Rc8 29. f5 Rcc2 30. fxg6 Rxd2 31. gxh7+ Kh8 32. Qxd2 Rxd2 33. Rxf7 Qc5 34. g6 Qg5 35. Rxe7 Qxe7 36. Ra1 Qb7 0-1

[Event "USA corr"]
[Site "USA"]
[Date "1952.??.??"]
[Round "?"]
[White "Ludwig, Alfred"]
[Black "Spence, Jack"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "46"]
[EventDate "1952.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. f4 Qb6 7. Ne2 c5 8. c3 Nc6 9. g4 g6 10. f5 gxf5 11. gxf5 cxd4 12. fxe6 fxe6 13. cxd4 Nge7 14. b3 Nf5 15. Bb2 Bh6 16. Nd2 Nb4 17. Qf3 Nc2+ 18. Kd1 Rc8 19. Qh5+ Ke7 20. Ng3 Nfe3+ 21. Ke2 Qb5+ 22. Kf2 Rhf8+ 23. Nf3 Rxf3+ 0-1

