[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.26"]
[Round "12"]
[White "Isaacs, Lewis Jl"]
[Black "Rasmussen, Gunnar"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "34"]
[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. f4 d5 2. Nf3 Nf6 3. d3 Bg4 4. Ne5 Bf5 5. h3 h5 6. e3 Nbd7 7. Be2 Nxe5 8. fxe5 Nd7 9. Bxh5 Nxe5 10. Nc3 e6 11. 0-0 Qh4 12. Rxf5 exf5 13. Nxd5 0-0-0 14. Bf3 Nxf3+ 15. Qxf3 Rxd5 16. Qxd5 Qe1+ 17. Kh2 Bd6+ 0-1

[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.17"]
[Round "4"]
[White "Rivise, Irving"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "C86"]
[PlyCount "113"]
[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. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Qe2 d6 8. a4 Bg4 9. c3 Na5 10. Bc2 c6 11. d4 Nb7 12. Rd1 Qb8 13. Nbd2 0-0 14. Nf1 Na5 15. Ne3 Be6 16. d5 cxd5 17. exd5 Bd7 18. axb5 axb5 19. Nf5 Bxf5 20. Bxf5 Nb3 21. Rxa8 Nxc1 22. Qxe5 Qxa8 23. Qxe7 Nb3 24. Qxd6 Rd8 25. Qb4 Rxd5 26. Bxh7+ Kxh7 27. Qxb3 g6 28. Rxd5 Nxd5 29. h4 Kg7 30. Qxb5 Qa1+ 31. Kh2 Nf6 32. Qb4 Qa7 33. Qd4 Qb8+ 34. Kg1 Qxb2 35. g4 Qb1+ 36. Kg2 Qe4 37. g5 Qxd4 38. Nxd4 Ne4 39. Ne2 Kf8 40. f4 Ke7 41. Kf3 Nd6 42. Nd4 Kd7 43. f5 Ke8 44. Kf4 Kd7 45. Ke5 Ke7 46. fxg6 fxg6 47. Kd5 Nc8 48. Nc6+ Kf7 49. Ne5+ Kg7 50. Ke6 Nb6 51. c4 Na4 52. Kd6 Nc3 53. c5 Nb5+ 54. Kd7 Nd4 55. c6 Nb5 56. c7 Na7 57. c8Q 1-0

[Event "US Open-60"]
[Site "Omaha"]
[Date "1959.07.23"]
[Round "4"]
[White "Sherwin, James T"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "D78"]
[PlyCount "77"]
[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 e6 2. Nf3 Nf6 3. g3 g6 4. Nc3 d5 5. d4 c6 6. Bg2 Bg7 7. 0-0 0-0 8. b3 Ne4 9. Bb2 Nxc3 10. Bxc3 Nd7 11. Qc2 Nf6 12. Rad1 Re8 13. Nd2 Nd7 14. e4 dxe4 15. Nxe4 Qe7 16. Qd2 Nf6 17. Nc5 Nd7 18. Nd3 Qd8 19. Rfe1 Qc7 20. f4 Nf8 21. Ne5 Nd7 22. Ng4 f5 23. Nf2 Nf6 24. Qb2 Kf7 25. Nd3 Nd7 26. Re3 Nf8 27. Ne5+ Bxe5 28. Rxe5 Bd7 29. Qf2 Rad8 30. Ba1 Bc8 31. Qb2 Nd7 32. Ree1 Rg8 33. d5 Nc5 34. dxc6 Rxd1 35. Rxd1 bxc6 36. Qf6+ Ke8 37. Bxc6+ Bd7 38. Bxd7+ Nxd7 39. Qxe6+ 1-0

[Event "US Open-59"]
[Site "Rochester"]
[Date "1958.08.11"]
[Round "8"]
[White "Isaacs, Lewis Jl"]
[Black "Gross, Henry"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "109"]
[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 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 0-0 5. d3 d5 6. exd5 Nxd5 7. Bd2 Nxc3 8. bxc3 Bd6 9. h3 Nd7 10. 0-0 Nb6 11. Bb3 Qf6 12. Qe2 Bd7 13. Ng5 h6 14. Ne4 Qg6 15. Kh1 Bc6 16. f3 Rae8 17. c4 Nd7 18. Be3 Be7 19. g4 f5 20. gxf5 Qxf5 21. Qg2 Kh8 22. Rf2 Nf6 23. Rg1 Nh5 24. Qg4 Bd7 25. c5 Qxg4 26. hxg4 Nf4 27. Bxf4 Rxf4 28. Bd5 c6 29. Bb3 Ref8 30. Kg2 Be8 31. Be6 Bg6 32. Nd6 Bxd6 33. cxd6 R4f6 34. Bb3 Rxd6 35. Re1 Bf7 36. Rxe5 Bxb3 37. axb3 Rd7 38. Rfe2 Kg8 39. Kg3 Rfd8 40. f4 a6 41. f5 Kf7 42. R2e4 Rc8 43. Kf4 Rh8 44. Re6 Rhd8 45. Ke3 Rc7 46. b4 Rdd7 47. d4 Rc8 48. c3 Ra8 49. R4e5 Rc8 50. Rc5 Rcd8 51. Rce5 Rc8 52. c4 Rcd8 53. Re4 Ra8 54. R4e5 Rc8 55. Re4 1/2-1/2

[Event "US Open-58"]
[Site "Cleveland"]
[Date "1957.08.15"]
[Round "11"]
[White "Isaacs, Lewis Jl"]
[Black "Westbrock, John T"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "56"]
[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 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 g6 5. c4 Nb6 6. Be2 Bg7 7. 0-0 0-0 8. Nc3 Nc6 9. Be3 Bg4 10. c5 Nd5 11. h3 Bxf3 12. Bxf3 Nxe3 13. fxe3 Qd7 14. Bxc6 Qxc6 15. b4 Qe6 16. Qf3 c6 17. Ne2 Qc4 18. a3 a5 19. Rfc1 Qb3 20. bxa5 Rxa5 21. Rcb1 Qd3 22. Rxb7 Rxc5 23. Rab1 Rf5 24. Nf4 Qxa3 25. Rxe7 Qxe7 26. g4 Rb5 27. Rc1 Rb3 28. Kf2 Bxd4 0-1

[Event "US Open-58"]
[Site "Cleveland"]
[Date "1957.08.14"]
[Round "10"]
[White "Nash, Edmund"]
[Black "Isaacs, Lewis Jl"]
[Result "0-1"]
[ECO "C97"]
[PlyCount "94"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. h3 Bd7 12. Nbd2 Rc8 13. dxe5 dxe5 14. Nf1 0-0 15. Ne3 Rfd8 16. Qe2 Bc6 17. Nf5 Ne8 18. g4 f6 19. Kg2 Nd6 20. b3 Nxf5 21. gxf5 Nb7 22. Kh2 Nd6 23. Nh4 Nf7 24. Rg1 Ng5 25. Ng2 h6 26. h4 Nf7 27. Ne3 Bf8 28. Ng4 Kh8 29. f3 Qe7 30. Qg2 h5 31. Ne3 Nd6 32. Ba3 Nb7 33. c4 b4 34. Bc1 Rd7 35. Nd5 Bxd5 36. cxd5 Nd6 37. Bd3 c4 38. bxc4 Nxc4 39. Qe2 Rdc7 40. f4 exf4 41. Qxh5+ Kg8 42. Bxf4 Ne5 43. Bxa6 Rc2+ 44. Rg2 Rxg2+ 45. Kxg2 Rc2+ 46. Be2 Nd3 47. Qf3 Rxe2+ 0-1

[Event "US Open-58"]
[Site "Cleveland"]
[Date "1957.08.05"]
[Round "1"]
[White "Berliner, Hans Jack"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "A52"]
[PlyCount "107"]
[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. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. a3 Nxe5 5. e4 Nbc6 6. f4 Ng6 7. Nc3 Bc5 8. Nf3 d6 9. b4 Bb6 10. f5 Nge5 11. Nxe5 Nxe5 12. Bf4 c6 13. Qd2 0-0 14. c5 Bc7 15. 0-0-0 d5 16. exd5 cxd5 17. Nxd5 Bxf5 18. Nxc7 Qxc7 19. Qd6 Qxd6 20. Rxd6 Ng6 21. Bg3 a5 22. b5 Rac8 23. Bf2 Rfd8 24. Rxd8+ Rxd8 25. Bc4 Ne5 26. Be2 f6 27. Rd1 Rxd1+ 28. Kxd1 Kf7 29. Bd4 Ke6 30. Kd2 Be4 31. g3 Bd5 32. Kc3 g5 33. Be3 h6 34. a4 Kd7 35. Bd1 Be6 36. h4 Ng4 37. Bd2 Nf2 38. Bf3 Kc7 39. Kd4 g4 40. Bxa5+ Kc8 41. Bg2 Bb3 42. Be1 Nd1 43. a5 Be6 44. Bd2 Nb2 45. a6 bxa6 46. b6 Nc4 47. Bf4 Ne5 48. Bxe5 fxe5+ 49. Kxe5 Bd7 50. Kd6 Bb5 51. c6 Bxc6 52. Kxc6 h5 53. Kc5 Kb8 54. Kb4 1-0

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "11"]
[White "Bills, William"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "E76"]
[PlyCount "77"]
[EventDate "1956.07.16"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. b4 c6 7. e5 dxe5 8. fxe5 Nfd7 9. Nf3 a5 10. b5 cxb5 11. Nxb5 Nc6 12. Bf4 b6 13. Be2 Ba6 14. a4 Nb4 15. 0-0 Rc8 16. Qb3 Bxb5 17. axb5 e6 18. Rad1 f6 19. exf6 Bxf6 20. Bd6 Be7 21. c5 Nd5 22. Bxe7 Qxe7 23. c6 N7f6 24. Bc4 Qd6 25. Rde1 Kg7 26. Ng5 Rce8 27. Bxd5 Nxd5 28. Rxf8 Kxf8 29. Qf3+ Nf4 30. g3 Qxd4+ 31. Kh1 h6 32. Ne4 Kg7 33. gxf4 e5 34. Rd1 Qa4 35. fxe5 Rf8 36. Rd7+ Kg8 37. Nf6+ Rxf6 38. Qd5+ Kh8 39. Rd8+ 1-0

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "6"]
[White "Day, F."]
[Black "Isaacs, Lewis Jl"]
[Result "0-1"]
[ECO "E52"]
[PlyCount "64"]
[EventDate "1956.07.16"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Nbd7 5. Nf3 Bb4 6. a3 Bxc3+ 7. bxc3 0-0 8. Bd3 b6 9. cxd5 exd5 10. Qc2 c5 11. c4 dxc4 12. Bxc4 Bb7 13. Qf5 Rc8 14. d5 g6 15. Qd3 Re8 16. 0-0 Ne4 17. Nd2 Nxd2 18. Qxd2 Ne5 19. Bb5 Bxd5 20. f4 Bc6 21. Bxc6 Nxc6 22. f5 Qxd2 23. Bxd2 Rcd8 24. Rad1 g5 25. e4 f6 26. Bc3 Kf7 27. Rde1 Rd3 28. Bb2 Ne5 29. h4 h6 30. hxg5 hxg5 31. Kf2 Rd2+ 32. Re2 Rxb2 0-1

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "9"]
[White "Isaacs, Lewis Jl"]
[Black "Araiza Munoz, Jose Joaquin"]
[Result "0-1"]
[ECO "B05"]
[PlyCount "94"]
[EventDate "1956.07.16"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. exd6 cxd6 9. Nc3 0-0 10. b3 N8d7 11. Bb2 Nf6 12. Nh4 Bxe2 13. Qxe2 d5 14. c5 Nbd7 15. Nf3 Qc7 16. b4 Rfe8 17. Ne5 Nxe5 18. dxe5 Nd7 19. f4 a6 20. Rac1 b6 21. Na4 Qc6 22. Qd1 bxc5 23. bxc5 Nxc5 24. Nc3 Qb6 25. Rc2 Rec8 26. Rff2 Rc6 27. g3 Rac8 28. Kg2 Nd7 29. Na4 Qb4 30. Rxc6 Rxc6 31. Rf3 Qe4 32. Nc3 Qf5 33. Rd3 Bc5 34. a3 Rb6 35. Na4 Qe4+ 36. Kh3 Rb8 37. Bd4 Bxd4 38. Rxd4 Qb1 39. Qe2 Qb5 40. Qe1 a5 41. Qc1 f6 42. Qc7 fxe5 43. fxe5 Rf8 44. Qd6 Qf1+ 45. Kh4 g5+ 46. Kxg5 Qf5+ 47. Kh4 Nxe5 0-1

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "5"]
[White "Isaacs, Lewis Jl"]
[Black "Freeman, Carl"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "62"]
[EventDate "1956.07.16"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Ne7 7. Nc3 Nd7 8. Bg5 Rc8 9. 0-0 Qb6 10. b3 Nf5 11. Na4 Qb5 12. Qd2 c5 13. c3 h6 14. Bf4 Be7 15. Rac1 0-0 16. dxc5 Nxc5 17. Nxc5 Bxc5 18. g4 Ne7 19. h4 f5 20. exf6 Rxf6 21. Ne5 Rcf8 22. Nd3 Ng6 23. Bg3 Rf3 24. Nxc5 Qxc5 25. Qd4 Qe7 26. h5 Nf4 27. Rce1 Qg5 28. Re3 Qxg4 29. Qd1 Nxh5 30. Kg2 Nxg3 31. Rxf3 Nxf1+ 0-1

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "3"]
[White "Isaacs, Lewis Jl"]
[Black "McClain, G."]
[Result "0-1"]
[ECO "C02"]
[PlyCount "90"]
[EventDate "1956.07.16"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 Nge7 7. 0-0 Nf5 8. b3 cxd4 9. cxd4 Nfxd4 10. Be3 Nxe2+ 11. Qxe2 Bc5 12. Bd2 Bd7 13. Nc3 Nd4 14. Nxd4 Bxd4 15. Rfe1 0-0 16. Rac1 f6 17. exf6 Rxf6 18. Be3 Raf8 19. Qd3 Bxe3 20. fxe3 Bc6 21. Qd4 Qd8 22. Qxa7 Rf2 23. e4 Qg5 24. Qxf2 Rxf2 25. Kxf2 d4 26. Nb1 Bxe4 27. g3 Bc6 28. h4 Qf5+ 29. Kg1 Qf3 30. Rxc6 Qxg3+ 31. Kf1 bxc6 32. Nd2 d3 33. Re4 Qh2 34. Ke1 Qg1+ 35. Nf1 d2+ 36. Kxd2 Qxf1 37. a4 Qg2+ 38. Kd3 Qf3+ 39. Re3 Qd5+ 40. Kc3 e5 41. Rd3 Qc5+ 42. Kb2 e4 43. Rc3 Qf2+ 44. Ka3 e3 45. Rxc6 e2 0-1

[Event "US Open-56"]
[Site "Long Beach"]
[Date "1955.08.19"]
[Round "11"]
[White "Bills, William"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "119"]
[EventDate "1955.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. cxd5 exd5 6. Bg5 Be7 7. Qc2 0-0 8. e3 Nbd7 9. Bd3 h6 10. Bh4 Re8 11. 0-0 Nf8 12. Rfb1 Nh5 13. Bxe7 Qxe7 14. b4 a6 15. a4 Nf6 16. b5 c5 17. dxc5 Qxc5 18. b6 Ng4 19. Ne2 Nd7 20. Ned4 Qxc2 21. Bxc2 Nge5 22. a5 Nxf3+ 23. Nxf3 Nf6 24. Bb3 Bf5 25. Rc1 Rac8 26. Nd4 Rxc1+ 27. Rxc1 Rc8 28. Rxc8+ Bxc8 29. f3 Kf8 30. Kf2 Ke7 31. Ke2 Kd6 32. Kd3 Kc5 33. Kc3 Bd7 34. Bc2 Kd6 35. Kb4 g6 36. Bd3 Bc8 37. Nb3 Nd7 38. Be2 Ne5 39. Nd4 Nc6+ 40. Nxc6 bxc6 41. Bd1 c5+ 42. Kc3 Ke5 43. Ba4 Bb7 44. Be8 Kf6 45. Bd7 Ke7 46. Ba4 f6 47. Kd3 g5 48. e4 dxe4+ 49. fxe4 c4+ 50. Kd4 Kd6 51. g4 Bc8 52. h3 Bb7 53. Bc2 c3 54. Kxc3 Kc5 55. Bd3 Bc6 56. Bxa6 Bxe4 57. b7 Bxb7 58. Bxb7 Kb5 59. a6 Kb6 60. Kd4 1-0

[Event "US Open-56"]
[Site "Long Beach"]
[Date "1955.08.18"]
[Round "10"]
[White "Godbold, Edmund"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "D69"]
[PlyCount "89"]
[EventDate "1955.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 c6 7. Rc1 Nbd7 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. 0-0 Nxc3 12. Rxc3 e5 13. Nxe5 Nxe5 14. dxe5 Qxe5 15. f4 Qe7 16. f5 Kh8 17. Qh5 f6 18. Rf4 h6 19. Rg4 Bd7 20. Rg6 Kh7 21. Rg3 Be8 22. Qg4 g5 23. fxg6+ Kg7 24. h4 Rd8 25. Rd3 Rxd3 26. Bxd3 Qd6 27. Bc2 f5 28. Qf4 Qxf4 29. exf4 h5 30. Bd1 Rh8 31. Ra3 a6 32. Rb3 b5 33. Ra3 Bxg6 34. Rxa6 Rc8 35. Bf3 Be8 36. Kf2 Kf6 37. Ke3 Ke6 38. Be2 Kd5 39. Ra7 c5 40. Rh7 c4 41. Rh8 Bd7 42. Rxc8 Bxc8 43. Bxh5 b4 44. Bf7+ Kc5 45. h5 1-0

[Event "US Open-56"]
[Site "Long Beach"]
[Date "1955.08.15"]
[Round "7"]
[White "Isaacs, Lewis Jl"]
[Black "Byland, William"]
[Result "0-1"]
[ECO "B18"]
[PlyCount "62"]
[EventDate "1955.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Bxd3 8. Qxd3 Qc7 9. 0-0 e6 10. Bd2 Ngf6 11. Rae1 0-0-0 12. Ng5 Nb6 13. c3 Bd6 14. f4 Nbd5 15. Nh3 h5 16. Ne4 Nxe4 17. Qxe4 Nf6 18. Qf3 Kb8 19. Nf2 g5 20. fxg5 Bxh2+ 21. Kh1 Ng4 22. Nh3 Rd7 23. Nf4 e5 24. g3 Qc8 25. Nxh5 Re7 26. Nf6 Bxg3+ 27. Kg2 Ne3+ 28. Qxe3 Qh3+ 29. Kf3 Bf4+ 30. Ke2 Bxe3 31. Rf3 Qg2+ 0-1

[Event "US Open-55"]
[Site "New Orleans"]
[Date "1954.08.11"]
[Round "9"]
[White "Rohland, Marshall"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "C34"]
[PlyCount "117"]
[EventDate "1954.08.02"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. d4 Nf6 5. Nc3 Nh5 6. Bc4 g6 7. 0-0 c6 8. Qe1 Bg7 9. Ne2 0-0 10. Nxf4 Nxf4 11. Bxf4 d5 12. Bb3 dxe4 13. Qxe4 Bf5 14. Qe3 Nd7 15. Bd6 Re8 16. Bxf7+ Kxf7 17. Ng5+ Kf6 18. Nxh7+ Kf7 19. Qb3+ Re6 20. Rae1 Bxd4+ 21. Kh1 Kg7 22. Rxe6 Bxe6 23. Qxe6 Qe8 24. Ng5 Bf6 25. Be5 Qxe6 26. Nxe6+ Kf7 27. Bxf6 Kxe6 28. Bc3 Rf8 29. Kg1 Rxf1+ 30. Kxf1 Kf5 31. Kf2 Nc5 32. Bd4 Ne4+ 33. Ke3 c5 34. Bg7 Ng5 35. Bf8 Ne6 36. Bd6 b6 37. b4 cxb4 38. Bxb4 Nf4 39. Kf3 Nd5 40. g4+ Ke5 41. Bd2 Ne7 42. h4 Nd5 43. h5 gxh5 44. gxh5 Kf5 45. h6 Nf6 46. Bc3 Nh7 47. Bg7 Ng5+ 48. Ke3 Ke6 49. Kd4 Kd6 50. Kc4 Kc6 51. Bf6 Nh7 52. Bd4 Ng5 53. a4 Nh7 54. Kb4 Kd5 55. Bxb6 axb6 56. Kb5 Nf6 57. Kxb6 Ke6 58. a5 Nd5+ 59. Kb7 1-0

[Event "US Open-55"]
[Site "New Orleans"]
[Date "1954.08.10"]
[Round "8"]
[White "Isaacs, Lewis Jl"]
[Black "Faust, Edwin M"]
[Result "1-0"]
[ECO "C19"]
[PlyCount "75"]
[EventDate "1954.08.02"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 Ne7 8. Bd3 c4 9. Be2 Bd7 10. 0-0 Ba4 11. Bg5 Nbc6 12. Qd2 h6 13. Bf4 0-0-0 14. h3 Rdg8 15. Nh2 g5 16. Be3 Nf5 17. Ng4 Nb8 18. Nf6 Rg7 19. Bg4 Nh4 20. Nxd5 Qd8 21. Nf6 Nd7 22. Nh5 Rg6 23. f3 Kb8 24. Bf2 Qa5 25. d5 Qxd5 26. Qe3 Qa5 27. Rfd1 Rgg8 28. Rd4 Nb6 29. Nf6 Rd8 30. Rad1 Rxd4 31. Qxd4 Ng6 32. Rd2 Nf4 33. Qd6+ Kc8 34. g3 Ng6 35. Bd4 Rd8 36. Qxd8+ Kxd8 37. Bxb6+ Ke7 38. Bxa5 1-0

[Event "US Open-55"]
[Site "New Orleans"]
[Date "1954.08.04"]
[Round "3"]
[White "Drakert, William"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "E86"]
[PlyCount "49"]
[EventDate "1954.08.02"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 0-0 7. Nge2 e5 8. Qd2 c6 9. d5 c5 10. g4 a6 11. Ng3 Ne8 12. h4 Bf6 13. Qh2 Nc7 14. g5 Be7 15. h5 Bxg5 16. hxg6 h6 17. Nf5 fxg6 18. Nxh6+ Kg7 19. Nf5+ Rxf5 20. exf5 Nf8 21. Ne4 Bxe3 22. Qh8+ Kf7 23. fxg6+ Ke7 24. Qg7+ Ke8 25. Qf7# 1-0

[Event "US Open-53"]
[Site "Tampa"]
[Date "1952.07.25"]
[Round "12"]
[White "Ludwig, Alfred Carl"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "83"]
[EventDate "1952.07.14"]
[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 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 d6 8. cxd4 Nf6 9. e5 dxe5 10. Ba3 Bb4 11. Bxb4 Nxb4 12. Qa4+ Nc6 13. Nxe5 0-0 14. Nxc6 bxc6 15. Qxc6 Qxd4 16. Na3 Bd7 17. Qf3 Bg4 18. Qg3 Qd6 19. Qc3 Be6 20. Nb5 Qc5 21. Bxe6 Qxb5 22. Rab1 Qa6 23. Bc4 Qd6 24. Rfd1 Qf4 25. Rd4 Qh6 26. Rbd1 c5 27. R4d3 Qg5 28. Qb3 Rab8 29. Qxb8 Rxb8 30. Rd8+ Ne8 31. Rxb8 g6 32. Rxe8+ Kg7 33. Rde1 Qg4 34. R8e4 Qd7 35. Re7 Qd4 36. Bxf7 Kh6 37. Bg8 Kg5 38. h4+ Qxh4 39. R1e4 Qh6 40. Rf7 a5 41. f3 a4 42. Rg4+ 1-0

[Event "US Open-53"]
[Site "Tampa"]
[Date "1952.07.24"]
[Round "11"]
[White "Isaacs, Lewis Jl"]
[Black "Travis Magee, Lee"]
[Result "0-1"]
[ECO "C77"]
[PlyCount "78"]
[EventDate "1952.07.14"]
[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 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. a4 Rb8 8. axb5 axb5 9. Nc3 b4 10. Nd5 0-0 11. d3 d6 12. h3 Nxd5 13. Bxd5 Bd7 14. 0-0 Kh8 15. Bd2 Qe8 16. Qe1 f5 17. exf5 Bxf5 18. Ra6 Nd8 19. Bxb4 Bc8 20. Ra1 c6 21. Bb3 Rxf3 22. gxf3 Bxh3 23. Qe4 Rxb4 24. Bc4 d5 25. Qxe5 Qg6+ 26. Qg3 Qxg3+ 27. fxg3 Bc5+ 28. Rf2 dxc4 29. Ra8 Bxf2+ 30. Kxf2 h5 31. Rxd8+ Kh7 32. dxc4 Rxb2 33. Rd2 Bf5 34. Ke3 Rxc2 35. Rd4 Rc3+ 36. Kf2 Be6 37. Rd6 Bxc4 38. Rxc6 Rxf3+ 39. Kxf3 Bd5+ 0-1

[Event "US Open-53"]
[Site "Tampa"]
[Date "1952.07.22"]
[Round "9"]
[White "Klugman, Reuben"]
[Black "Isaacs, Lewis Jl"]
[Result "0-1"]
[ECO "E40"]
[PlyCount "108"]
[EventDate "1952.07.14"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6 5. Nge2 d5 6. a3 Bxc3+ 7. Nxc3 0-0 8. b4 dxc4 9. Bxc4 e5 10. d5 Ne7 11. e4 Ng6 12. 0-0 Ne8 13. f4 Nd6 14. Bd3 exf4 15. Bxf4 Nxf4 16. Rxf4 Qg5 17. Qf3 Qe5 18. Rc1 g5 19. Rf6 Kg7 20. Rf5 Bxf5 21. exf5 f6 22. Ne4 Nxe4 23. Qxe4 Rf7 24. Qc4 Rd8 25. Be4 Re7 26. Bf3 Qe3+ 27. Kf1 Qe5 28. Kg1 Rde8 29. Rd1 Qe3+ 30. Kf1 Qxa3 31. h4 h6 32. Qg4 Qc3 33. hxg5 Re1+ 34. Kf2 Qe3+ 35. Kg3 Qxg5 36. Rd4 Qxg4+ 37. Rxg4+ Kh7 38. d6 cxd6 39. Rd4 Rd8 40. Bxb7 Re5 41. Kf4 d5 42. b5 Re4+ 43. Rxe4 dxe4 44. Kxe4 Rd6 45. Bc8 Kg7 46. g4 Kf8 47. Be6 Ke7 48. Bc4 Rd1 49. Bd5 Kd6 50. Bc6 a6 51. Kf3 Rb1 52. Bb7 axb5 53. Kg3 Re1 54. Kh4 b4 0-1

[Event "US Open-53"]
[Site "Tampa"]
[Date "1952.07.20"]
[Round "7"]
[White "Byland, William"]
[Black "Isaacs, Lewis Jl"]
[Result "0-1"]
[ECO "C30"]
[PlyCount "44"]
[EventDate "1952.07.14"]
[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 Nc6 3. Nf3 d6 4. Bb5 Bd7 5. Nc3 exf4 6. d4 g5 7. 0-0 Bh6 8. e5 dxe5 9. d5 Nce7 10. Nxe5 Bxb5 11. Qh5 Ng6 12. Re1 Kf8 13. Nxb5 Qxd5 14. c4 Qc5+ 15. Be3 Qxe5 16. Bd4 Qf5 17. Nxc7 Rc8 18. Qe2 Nf6 19. Nd5 Bg7 20. Ne7 Nxe7 21. Qxe7+ Kg8 22. Re5 Qd7 0-1

[Event "US Open-53"]
[Site "Tampa"]
[Date "1952.07.16"]
[Round "3"]
[White "Mednis, Edmar John"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "119"]
[EventDate "1952.07.14"]
[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 Bc5 4. c3 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 Bb6 8. Nbd2 a6 9. h3 Qe7 10. Bb3 g5 11. Bg3 Bd7 12. Qe2 0-0-0 13. 0-0-0 Rdg8 14. Nc4 Ba7 15. Ne3 h5 16. h4 Bxe3+ 17. Qxe3 Ng4 18. Qe2 gxh4 19. Bxh4 Qf8 20. Kb1 Be6 21. Bxe6+ fxe6 22. Ng5 Qe8 23. a3 Ne7 24. d4 Ng6 25. g3 Nxh4 26. gxh4 exd4 27. cxd4 Rf8 28. f3 Nf6 29. Rc1 Qd7 30. Qc2 Ne8 31. Rh2 Rf4 32. Qc3 Rhf8 33. Qe3 Kb8 34. Qb3 d5 35. Qe3 dxe4 36. fxe4 c6 37. Rhc2 Nc7 38. Rh2 Qd6 39. Rhh1 Nb5 40. Rcd1 Rg4 41. a4 Nc7 42. Rdf1 Rgf4 43. Rxf4 Qxf4 44. Qxf4 Rxf4 45. Kc2 Kc8 46. Kd3 Kd7 47. Ke3 Rf8 48. Nf3 Rg8 49. Rg1 Rxg1 50. Nxg1 Ke7 51. Kf4 Kf6 52. Ne2 c5 53. e5+ Kg6 54. dxc5 Nd5+ 55. Ke4 Kf7 56. Nf4 Nxf4 57. Kxf4 Kg6 58. a5 Kh6 59. b4 Kg6 60. b5 1-0

[Event "US Open-53"]
[Site "Tampa"]
[Date "1952.07.15"]
[Round "2"]
[White "Isaacs, Lewis Jl"]
[Black "Evans, Larry Melvyn"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "82"]
[EventDate "1952.07.14"]
[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. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. 0-0 0-0 9. Bg5 Nbd7 10. Qd2 h6 11. Bxf6 Nxf6 12. h3 b5 13. a3 Bb7 14. Qe3 Rc8 15. Rad1 Qa5 16. Nd2 Rfd8 17. Nb3 Qc7 18. Rd2 d5 19. exd5 Nxd5 20. Nxd5 Bxd5 21. Rxd5 Rxd5 22. Qe4 Rcd8 23. Bd3 g6 24. Qg4 Kh7 25. Qe2 f5 26. f3 Bc5+ 27. Kh1 Qf7 28. c4 Rxd3 29. Nxc5 Rd2 30. Qxe5 Re8 31. Qc3 Ree2 32. Rg1 Qxc4 33. Qxc4 bxc4 34. Nxa6 Rxb2 35. Nb4 c3 36. Nd3 Rbd2 37. Nf4 Re3 38. Rb1 c2 39. Rb7+ Kg8 40. Rc7 Re1+ 41. Kh2 c1Q 0-1

[Event "US Open-52"]
[Site "Fort Worth"]
[Date "1951.??.??"]
[Round "2"]
[White "Eastman, George"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "C88"]
[PlyCount "89"]
[EventDate "1951.07.09"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 Bb7 9. Nc3 b4 10. Nd5 d6 11. c3 bxc3 12. dxc3 Na5 13. Nxe7+ Qxe7 14. Bc2 Nh5 15. b4 Nc6 16. Bg5 f6 17. Be3 g6 18. Bh6 Ng7 19. Nd2 Nd8 20. Nc4 Nf7 21. Be3 Rad8 22. Na5 c6 23. Nxb7 Qxb7 24. Qe2 f5 25. f3 f4 26. Bf2 Ne6 27. a5 Nc7 28. Bb6 Ra8 29. Bb3 Rac8 30. Bxc7 Rxc7 31. Rad1 d5 32. exd5 cxd5 33. Bxd5 Qa7+ 34. Kh1 Rxc3 35. Qxe5 Re3 36. Qxf4 Rxe1+ 37. Rxe1 Kg7 38. Qc4 Qf2 39. Qc3+ Kh6 40. Qc1+ g5 41. Bxf7 Rxf7 42. Re6+ Kg7 43. Qxg5+ Kf8 44. Qh6+ Rg7 45. Qf6+ 1-0

[Event "US Open-52"]
[Site "Fort Worth"]
[Date "1951.??.??"]
[Round "11"]
[White "Isaacs, Lewis Jl"]
[Black "Byland, William"]
[Result "1-0"]
[ECO "C17"]
[PlyCount "51"]
[EventDate "1951.07.09"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 Ne7 5. e5 c5 6. Nb5 Bxd2+ 7. Qxd2 0-0 8. c3 Nbc6 9. Nf3 Qb6 10. Bd3 c4 11. Bxh7+ Kxh7 12. Nd6 Nf5 13. Qc2 g6 14. h4 Kg7 15. h5 Rh8 16. Nxc8 Raxc8 17. g4 Nfe7 18. 0-0-0 gxh5 19. Ng5 Rcg8 20. f4 Nd8 21. Rdg1 hxg4 22. Rh7+ Kf8 23. Rxh8 Rxh8 24. Nh7+ Ke8 25. Nf6+ Kf8 26. Nd7+ 1-0

[Event "US Open-52"]
[Site "Fort Worth"]
[Date "1951.??.??"]
[Round "3"]
[White "Isaacs, Lewis Jl"]
[Black "Magee, Lee T"]
[Result "0-1"]
[ECO "C86"]
[PlyCount "102"]
[EventDate "1951.07.09"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 0-0 8. 0-0 d5 9. d3 d4 10. h3 Be6 11. Bxe6 fxe6 12. Nbd2 Qd7 13. Rd1 Rad8 14. Nf1 Ne8 15. a4 Nd6 16. N1h2 Nb7 17. Ng4 Bf6 18. Qc2 b4 19. c4 Nc5 20. b3 Qd6 21. Rb1 Rf7 22. Bg5 Bxg5 23. Nxg5 Rff8 24. Qd2 h6 25. Nf3 Kh7 26. Kh1 Rf7 27. Kg1 Rdf8 28. Rf1 Rxf3 29. gxf3 Rxf3 30. Kg2 Qf8 31. Qe2 Rxd3 32. f4 exf4 33. Rf3 Rxf3 34. Qxf3 e5 35. Nf2 Qd6 36. Kh2 d3 37. Rg1 Nd4 38. Qg2 g5 39. h4 Qg6 40. Ng4 Nd7 41. Qh3 Qh5 42. Rd1 Qxh4 43. Qxh4 gxh4 44. Rxd3 h5 45. Nf2 Nc5 46. Kh3 Nxd3 47. Nxd3 a5 48. Nxe5 Nxb3 49. Kxh4 Nd2 50. Kxh5 f3 51. Nd3 Nxe4 0-1

[Event "US Open-52"]
[Site "Fort Worth"]
[Date "1951.??.??"]
[Round "9"]
[White "Isaacs, Lewis Jl"]
[Black "Smith, Kenneth Ray"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "108"]
[EventDate "1951.07.09"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. Na3 Nf5 9. Nc2 Bb4+ 10. Kf1 h5 11. g3 Be7 12. Bd3 Bd7 13. Bxf5 exf5 14. h4 0-0-0 15. Kg2 Kb8 16. b3 Ka8 17. Bd2 Rc8 18. Qe2 g6 19. Rhc1 Nd8 20. Qe1 Ne6 21. Ba5 Qa6 22. Bb4 Bxb4 23. Nxb4 Qa5 24. a3 f4 25. Qd2 fxg3 26. fxg3 Rhf8 27. Rxc8+ Rxc8 28. Kf2 Nc7 29. Ke3 Be6 30. Ne1 Nb5 31. a4 Bf5 32. Ned3 Nxd4 33. Qb2 Nc6 34. Nxc6 Rxc6 35. b4 Qc7 36. Qd4 Rc3 37. Rd1 Qc4 38. e6 fxe6 39. Qh8+ Qc8 40. Qxc8+ Rxc8 41. Nc5 b6 42. Nd7 Rc3+ 43. Kd4 Rc4+ 44. Ke5 Rxb4 45. Rc1 Rc4 46. Rxc4 dxc4 47. Kd4 Bd3 48. Nf8 e5+ 49. Kc3 Kb7 50. Nd7 e4 51. Kd4 a6 52. Ne5 e3 53. Kxe3 b5 54. axb5 axb5 0-1

[Event "US Open-52"]
[Site "Fort Worth"]
[Date "1951.??.??"]
[Round "8"]
[White "Sherwin, James T"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "127"]
[EventDate "1951.07.09"]
[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 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Bg4 5. c3 Bxf3 6. Qxf3 Nf6 7. Be3 Be7 8. Nd2 0-0 9. 0-0 b6 10. Rad1 Qd7 11. h3 Rad8 12. d5 Nb8 13. Bd3 Ne8 14. g4 g6 15. Kh2 Ng7 16. Rg1 c5 17. Rg2 Kh8 18. Rdg1 f6 19. Nf1 Rf7 20. Ng3 Rdf8 21. Bh6 Qd8 22. Qe2 Nd7 23. Rh1 Rg8 24. Rhg1 Bf8 25. Bd2 g5 26. Rh1 Be7 27. Kg1 Nf8 28. h4 gxh4 29. Nf5 Nxf5 30. exf5 Nd7 31. Rxh4 Bf8 32. Rgh2 b5 33. Kf1 Qe7 34. f3 c4 35. Bc2 Rgg7 36. Qg2 Rg8 37. Qh1 Rgg7 38. Rh5 Rg8 39. Be3 Rgg7 40. Be4 Rg8 41. Ke1 Rgg7 42. Kd2 Rg8 43. Kc2 Rgg7 44. R2h3 Rg8 45. Rh2 Rgg7 46. Kb1 Rg8 47. R2h3 Rgg7 48. Rh2 Rg8 49. Kc1 Rgg7 50. Kd1 Rg8 51. Kc1 Rgg7 52. Bc2 Rg8 53. Kb1 Rgg7 54. Ka1 Rg8 55. g5 fxg5 56. f6 Nxf6 57. Bxg5 Rxg5 58. Rxg5 h6 59. Rg6 Ng8 60. Rhg2 Bg7 61. Rg1 Qf8 62. Qh3 Rxf3 63. Rxg7 Qxg7 64. Rxg7 1-0

[Event "US Open-52"]
[Site "Fort Worth"]
[Date "1951.??.??"]
[Round "12"]
[White "Stevens, Blake W"]
[Black "Isaacs, Lewis Jl"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "76"]
[EventDate "1951.07.09"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. 0-0 Bd6 7. Nbd2 0-0 8. e4 cxd4 9. cxd4 dxe4 10. Nxe4 Be7 11. Be3 Nd5 12. Rc1 Bd7 13. a3 f5 14. Nc3 Be8 15. Bb1 Bh5 16. Ba2 Kh8 17. Nxd5 exd5 18. Qb3 f4 19. Qxb7 Na5 20. Qxd5 Bxf3 21. gxf3 fxe3 22. fxe3 Qb6 23. b4 Nb7 24. Rc6 Qd8 25. e4 a5 26. Rfc1 axb4 27. Rc7 Nd6 28. e5 Nf5 29. Qxd8 Bxd8 30. Rd7 Bg5 31. Rcc7 Be3+ 32. Kg2 Bxd4 33. f4 Rxa3 34. Bb3 Rxb3 35. Rf7 Ra8 36. Rc1 Nh4+ 37. Kf1 Nf3 38. e6 Rb2 0-1

[Event "US Open-49"]
[Site "Baltimore"]
[Date "1948.07.16"]
[Round "11"]
[White "Hartleb, Glenn E"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "E33"]
[PlyCount "57"]
[EventDate "1948.07.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d5 6. e3 0-0 7. Bd3 dxc4 8. Bxc4 Nd5 9. 0-0 Be7 10. a3 Bf6 11. Bd2 g6 12. Rac1 Bg7 13. Rfd1 Nce7 14. e4 Nb6 15. Be2 c6 16. e5 Nf5 17. Bg5 Qd7 18. Ne4 Nd5 19. Nf6+ Bxf6 20. Bxf6 h6 21. g4 Ng7 22. Qd2 Kh7 23. h4 Ne8 24. Ng5+ hxg5 25. hxg5 Ndxf6 26. gxf6 Rh8 27. Kg2 Ng7 28. Rh1+ Nh5 29. Rxh5+ 1-0

[Event "US Open-49"]
[Site "Baltimore"]
[Date "1948.07.13"]
[Round "8"]
[White "Kujoth, Richard"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "107"]
[EventDate "1948.07.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 e6 3. Bd3 c5 4. c3 Nc6 5. f4 cxd4 6. exd4 Be7 7. Nd2 0-0 8. Ngf3 d6 9. Ne4 Nxe4 10. Bxe4 Bf6 11. 0-0 g6 12. Be3 Qb6 13. Qe2 d5 14. Bd3 Bg7 15. g4 Bd7 16. Ne5 Qc7 17. Nxd7 Qxd7 18. f5 exf5 19. gxf5 Rae8 20. Qf2 f6 21. fxg6 hxg6 22. Kh1 Qh3 23. Rae1 f5 24. Qd2 f4 25. Bf2 f3 26. Rg1 Ne7 27. Bxg6 Nxg6 28. Rxg6 Re2 29. Rxe2 Qf1+ 30. Rg1 Qxe2 31. Qxe2 fxe2 32. Bg3 Rf3 33. Kg2 Rd3 34. Be1 Rd1 35. Kf2 Rb1 36. b4 Kf7 37. Kxe2 Rb2+ 38. Bd2 Bh6 39. Rd1 Rxa2 40. Kd3 Bg7 41. h4 Ra6 42. Rf1+ Ke7 43. Bg5+ Ke6 44. Re1+ Kf7 45. Re7+ Kg6 46. Rxb7 Ra1 47. Rd7 a5 48. bxa5 Rxa5 49. Bd8 Rb5 50. Be7 Kh5 51. Bc5 Bf6 52. Rxd5+ Kxh4 53. Rf5 Bd8 54. Be7+ 1-0

[Event "US Open-49"]
[Site "Baltimore"]
[Date "1948.07.10"]
[Round "6"]
[White "Pilnick, Carl"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "79"]
[EventDate "1948.07.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. Re1 c6 8. a4 Qc7 9. h3 Nb6 10. Bf1 c5 11. a5 Nbd7 12. d5 Rd8 13. Ra3 Nf8 14. Nb5 Qb8 15. Bd2 Bd7 16. Rb3 Ng6 17. Qa1 Qc8 18. Na3 Nh5 19. Nc4 Rb8 20. Rc3 Nhf4 21. b4 b5 22. bxc5 bxc4 23. c6 Be8 24. Rxc4 Qc7 25. a6 Rb6 26. Ba5 Rdb8 27. Rb4 Bd8 28. Bxb6 axb6 29. Reb1 Qa7 30. Nd2 Ne7 31. Nc4 Nc8 32. Na5 Bc7 33. Nb7 Ng6 34. Qc3 Nge7 35. Bb5 Qa8 36. a7 Nxa7 37. Ra4 Nec8 38. Be2 Rxb7 39. cxb7 Qxb7 40. Ba6 1-0

[Event "US Open-49"]
[Site "Baltimore"]
[Date "1948.07.09"]
[Round "5"]
[White "Isaacs, Lewis Jl"]
[Black "Bain, Osias"]
[Result "1-0"]
[ECO "B73"]
[PlyCount "65"]
[EventDate "1948.07.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. 0-0 0-0 9. Qd2 Re8 10. Rad1 Nxd4 11. Bxd4 Be6 12. f4 Qa5 13. a3 Rec8 14. h3 Bc4 15. Bd3 Rc6 16. Rf2 Rac8 17. Bxf6 Bxf6 18. Nd5 Qb5 19. Nxf6+ exf6 20. c3 Rb6 21. Bxc4 Qxc4 22. Qd4 Qe6 23. f5 Qe5 24. fxg6 fxg6 25. Rdd2 Kg7 26. Qa4 Rcc6 27. Rd5 Qe6 28. Qd4 Kg8 29. Rxf6 Qe7 30. Rf2 Rc5 31. e5 Rxd5 32. Qxd5+ Kg7 33. e6 1-0

[Event "US Open-49"]
[Site "Baltimore"]
[Date "1948.07.08"]
[Round "4"]
[White "Scheffer, David"]
[Black "Isaacs, Lewis Jl"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "72"]
[EventDate "1948.07.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. Re1 c6 8. a4 Qc7 9. Qd3 exd4 10. Qxd4 Ng4 11. Bf4 Nge5 12. Be2 Nxf3+ 13. Bxf3 Ne5 14. Be2 Be6 15. b3 Bf6 16. Qd2 Rad8 17. Rad1 h6 18. h3 g5 19. Be3 a6 20. f4 gxf4 21. Bxf4 Kh7 22. Bxh6 Rg8 23. Kh1 Rg6 24. Bf4 Rdg8 25. Rg1 Qa5 26. Bh5 R6g7 27. Nd5 Qd8 28. Nxf6+ Qxf6 29. Bxe5 dxe5 30. g4 Qh4 31. Qh2 Rg5 32. c4 Rxh5 33. gxh5 Qxe4+ 34. Rg2 Qf3 35. Rdd2 Bxh3 36. Rdf2 Bxg2+ 0-1

[Event "US Open-49"]
[Site "Baltimore"]
[Date "1948.07.07"]
[Round "3"]
[White "Isaacs, Lewis Jl"]
[Black "Donovan, Jeremiah"]
[Result "0-1"]
[ECO "B73"]
[PlyCount "54"]
[EventDate "1948.07.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. 0-0 0-0 9. f4 Qb6 10. e5 dxe5 11. fxe5 Nxe5 12. Nf5 Qe6 13. Nxg7 Kxg7 14. Qd2 Kg8 15. Bd4 Rd8 16. Qf4 Nc6 17. Bxf6 Qxf6 18. Qh6 Bf5 19. Rf2 Nd4 20. Raf1 Nxe2+ 21. Nxe2 Qxb2 22. g4 Be6 23. Nf4 Bc4 24. Re1 Qb4 25. c3 Qxc3 26. Rxe7 Qc1+ 27. Kg2 Bd5+ 0-1

[Event "US Open-49"]
[Site "Baltimore"]
[Date "1948.07.06"]
[Round "2"]
[White "Hobson, AH."]
[Black "Isaacs, Lewis Jl"]
[Result "0-1"]
[ECO "C24"]
[PlyCount "72"]
[EventDate "1948.07.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 Nc6 4. dxe5 Nxe5 5. Bb3 Bc5 6. Nf3 Nxf3+ 7. Qxf3 0-0 8. 0-0 d6 9. Bg5 Bd4 10. c3 Be5 11. h3 h6 12. Be3 Kh7 13. Nd2 g5 14. g4 Be6 15. Nc4 Nd7 16. Rad1 Qe7 17. Rfe1 Bg7 18. Bd4 Ne5 19. Qe2 Ng6 20. Qc2 Be5 21. Bxe5 dxe5 22. Ne3 Nh4 23. Rf1 f6 24. Nf5 Bxf5 25. exf5 Rad8 26. Qe4 c6 27. Rd3 Rxd3 28. Qxd3 Rd8 29. Qe3 a6 30. Qe2 Rd2 31. Qe4 Kg7 32. Rd1 Rxd1+ 33. Bxd1 Qd6 34. Qe2 e4 35. Bc2 Nf3+ 36. Kf1 Qh2 0-1

[Event "USA-ch"]
[Site "New York"]
[Date "1944.??.??"]
[Round "14"]
[White "Fine, Reuben"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "D97"]
[PlyCount "67"]
[EventDate "1944.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 c6 8. Qb3 b6 9. Bc4 b5 10. Be2 e6 11. 0-0 Nbd7 12. Bg5 Qb6 13. e5 Nd5 14. Nxd5 exd5 15. Be3 Re8 16. Ne1 Nf8 17. f4 Ne6 18. Rd1 Nf8 19. g4 f5 20. h3 Bd7 21. Rf2 Qd8 22. Rg2 a5 23. Qc2 Rc8 24. Nf3 a4 25. Bd3 fxg4 26. hxg4 Bh6 27. Qd2 Kh8 28. f5 Bxe3+ 29. Qxe3 Re7 30. Qh6 Rg7 31. Ng5 Be8 32. f6 Rf7 33. Nxf7+ Bxf7 34. Qg7# 1-0

[Event "USA-ch"]
[Site "New York"]
[Date "1944.??.??"]
[Round "?"]
[White "Isaacs, Lewis Jl"]
[Black "Steiner, Herman"]
[Result "0-1"]
[ECO "B05"]
[PlyCount "94"]
[EventDate "1944.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. c4 Nb6 6. Be2 dxe5 7. Nxe5 Bxe2 8. Qxe2 Qxd4 9. 0-0 Nc6 10. Nxc6 bxc6 11. Na3 Rd8 12. Be3 Qe4 13. Rad1 Rxd1 14. Rxd1 f6 15. Rd4 Qe6 16. Qd3 Qc8 17. Qe4 e5 18. Qxc6+ Kf7 19. Rd3 Bxa3 20. Bxb6 Rd8 21. Rxd8 Qxd8 22. Qxc7+ Qxc7 23. Bxc7 Bxb2 24. Kf1 Ke6 25. Ke2 Bc3 26. f4 e4 27. Ke3 f5 28. Bb8 a6 29. Ba7 g6 30. Bc5 Kd7 31. Ke2 Kc6 32. Ba3 a5 33. Bf8 Bb4 34. Bg7 Bd6 35. Bc3 Bxf4 36. Bxa5 Kc5 37. g3 Bh6 38. Bc7 Kxc4 39. Be5 Bc1 40. Bd6 g5 41. Kd1 Be3 42. Ke2 f4 43. Be7 Bc1 44. a4 f3+ 45. Kf2 g4 46. a5 e3+ 47. Kf1 Bd2 0-1

[Event "Western CA-31 Championship"]
[Site "Chicago"]
[Date "1930.10.??"]
[Round "?"]
[White "Isaacs, Lewis Jl"]
[Black "Michelsen, Einar"]
[Result "1-0"]
[ECO "B57"]
[PlyCount "45"]
[EventDate "1930.10.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 Nf6 6. Bc4 Bd7 7. 0-0 g6 8. Nxc6 bxc6 9. Bb3 Bg7 10. Qe2 0-0 11. Rd1 Qc7 12. h3 Rad8 13. Bf4 Bc8 14. e5 Nh5 15. exd6 Nxf4 16. dxc7 Nxe2+ 17. Nxe2 Rxd1+ 18. Rxd1 Bxb2 19. Nd4 Bb7 20. Ba4 Rc8 21. Rb1 Bxd4 22. Rxb7 Bb6 23. Rb8 1-0

[Event "Western CA-31 Championship"]
[Site "Chicago"]
[Date "1930.10.??"]
[Round "?"]
[White "Palmer, Marvin"]
[Black "Isaacs, Lewis Jl"]
[Result "0-1"]
[ECO "D43"]
[PlyCount "94"]
[EventDate "1930.10.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Nbd7 5. cxd5 exd5 6. Qb3 c6 7. Bf4 Be7 8. e3 0-0 9. Bd3 Re8 10. 0-0 Nf8 11. Ne5 Bd6 12. Qd1 Bxe5 13. Bxe5 Ng4 14. Bg3 f5 15. Qf3 Qg5 16. Rfe1 Ng6 17. Na4 Nh4 18. Qf4 Qf6 19. Bxh4 Qxh4 20. h3 g5 21. Qf3 Nh6 22. Be2 g4 23. Qf4 Re4 24. g3 Rxf4 25. gxh4 Re4 26. hxg4 fxg4 27. Nc5 Re7 28. Bd3 b6 29. Nb3 Nf5 30. Bxf5 Bxf5 31. Rac1 Re6 32. Kg2 Rf8 33. Kg3 h5 34. Rc3 Ref6 35. Nd2 Bd7 36. Rf1 Kh8 37. f4 gxf3 38. Rxf3 Rg6+ 39. Kf2 Rfg8 40. e4 Rg2+ 41. Ke3 c5 42. Nb3 dxe4 43. Kxe4 Bc6+ 44. d5 Re8+ 45. Kf5 Bxd5 46. Rg3 Rf2+ 47. Kg5 Rg8+ 0-1

[Event "National USA CF-02 Championship"]
[Site "Bradley Beach"]
[Date "1928.09.12"]
[Round "7"]
[White "Isaacs, Lewis Jl"]
[Black "Turover, Isador Samuel"]
[Result "1/2-1/2"]
[ECO "C82"]
[PlyCount "78"]
[EventDate "1928.09.06"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5 11. Bc2 Bg4 12. Re1 Qd7 13. Nf1 0-0 14. b4 Ne6 15. Qd3 g6 16. Ng3 f5 17. Bh6 Rf7 18. h3 Bxf3 19. gxf3 Bg5 20. Bxg5 Nxg5 21. h4 Ne6 22. a4 Ne7 23. Kh2 c6 24. Rh1 Qc7 25. Rae1 Kg7 26. Rhg1 Kh8 27. h5 d4 28. hxg6 hxg6 29. Qd2 f4 30. Ne2 Qd7 31. Nxd4 Nxd4 32. cxd4 Qe6 33. Rg4 Rg8 34. Qe2 Nf5 35. axb5 axb5 36. Reg1 Rgg7 37. Kg2 Rh7 38. Qe4 Nh4+ 39. Kf1 Re7 1/2-1/2

[Event "National USA CF-02 Championship"]
[Site "Bradley Beach"]
[Date "1928.09.11"]
[Round "6"]
[White "Isaacs, Lewis Jl"]
[Black "Factor, Samuel D"]
[Result "1-0"]
[ECO "B34"]
[PlyCount "97"]
[EventDate "1928.09.06"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Nxc6 bxc6 8. e5 Ng8 9. Qf3 e6 10. Bf4 Qa5 11. Qe3 Ne7 12. 0-0 Nd5 13. Nxd5 cxd5 14. Bd3 0-0 15. Bh6 Ba6 16. Bxg7 Kxg7 17. Rfe1 Bxd3 18. Qxd3 Qb6 19. b3 f6 20. exf6+ Rxf6 21. Re2 Raf8 22. Rf1 Qc5 23. Rd2 Rf4 24. c4 dxc4 25. Qc3+ e5 26. Rxd7+ Kh8 27. Rd2 Re4 28. Rc2 Rc8 29. Qf3 Rf4 30. Qc3 Qd4 31. g3 Rff8 32. bxc4 Qc5 33. Re1 Rf5 34. Re4 Rd8 35. Rd2 Rd6 36. Kg2 Kg8 37. f3 Ra6 38. Re3 Ra4 39. Rc2 h5 40. Rd3 Qe7 41. Rcd2 Qc5 42. Rd8+ Kg7 43. R8d7+ Kg8 44. Rd8+ Kg7 45. R2d7+ Rf7 46. Qc2 Rxc4 47. Rg8+ Kxg8 48. Qxg6+ Kh8 49. Qxh5+ 1-0

[Event "National USA CF-02 Championship"]
[Site "Bradley Beach"]
[Date "1928.09.10"]
[Round "5"]
[White "Mlotkowski, Stasch"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "77"]
[EventDate "1928.09.06"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nf6 4. d3 Nc6 5. Be2 Be7 6. 0-0 exf4 7. Bxf4 0-0 8. c3 Nh5 9. Be3 g6 10. Nbd2 Ng7 11. d4 d5 12. exd5 Qxd5 13. Bc4 Qd8 14. Bh6 Na5 15. Bd3 Bg4 16. Qa4 Nc6 17. Rae1 a6 18. Qc2 Be6 19. b3 Bd5 20. Be4 Bxe4 21. Qxe4 Re8 22. Qg4 Qd5 23. Bf4 Rac8 24. Ne5 Nf5 25. Ndc4 Nxe5 26. Rxe5 Qd7 27. Ne3 h5 28. Qh3 f6 29. Nxf5 gxf5 30. Rxf5 Qc6 31. Qxh5 Bf8 32. Qg6+ Bg7 33. Bh6 Re7 34. R5f3 Rf8 35. Rg3 Rff7 36. h4 Qe4 37. h5 c5 38. Re3 Qh4 39. Bf4 1-0

[Event "National USA CF-02 Championship"]
[Site "Bradley Beach"]
[Date "1928.09.09"]
[Round "4"]
[White "Isaacs, Lewis Jl"]
[Black "Kupchik, Abraham"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "90"]
[EventDate "1928.09.06"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. Bf3 e5 8. Nb3 Bb7 9. 0-0 Nbd7 10. Bg5 Be7 11. Re1 0-0 12. Rc1 Nb6 13. Na5 Rb8 14. Nxb7 Rxb7 15. b3 Rc7 16. Qd3 Nbd7 17. Be3 Nc5 18. Qd1 Qa8 19. Bg5 Ncd7 20. Nb1 h6 21. Bd2 Rfc8 22. Ba5 Rc6 23. g3 Nc5 24. Nc3 Bd8 25. Bxd8 Rxd8 26. Nd5 Nxd5 27. Qxd5 Qc8 28. Red1 Ne6 29. Bg4 Rc5 30. Qd2 Rc3 31. Re1 Qc5 32. Re3 Rxe3 33. fxe3 Ng5 34. Qd3 d5 35. exd5 Rxd5 36. Qe2 Qc3 37. h4 Rd2 38. Qe1 Ne4 39. Bf5 Nf2 40. Bd3 Nxd3 41. cxd3 Qxd3 42. Rc8+ Kh7 43. Rc1 f5 44. a4 b4 45. g4 Re2 0-1

[Event "National USA CF-02 Championship"]
[Site "Bradley Beach"]
[Date "1928.09.08"]
[Round "3"]
[White "Horowitz, Israel Albert"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "E18"]
[PlyCount "89"]
[EventDate "1928.09.06"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. Nc3 0-0 7. d4 d6 8. Qc2 Nbd7 9. e4 e5 10. h3 Re8 11. Be3 Bf8 12. Rae1 g6 13. Kh2 Bg7 14. d5 Nh5 15. Qd2 Qe7 16. Bh6 Bh8 17. Ng5 a5 18. f4 f6 19. Ne6 Nc5 20. f5 Ng7 21. g4 Ngxe6 22. fxe6 Bg7 23. Bxg7 Qxg7 24. g5 fxg5 25. Rf7 Qh6 26. Ref1 Rf8 27. Qe3 Rxf7 28. Rxf7 Rf8 29. Qf3 g4 30. Qf1 Rc8 31. Kh1 gxh3 32. Bxh3 Ba6 33. Kg2 Qd2+ 34. Rf2 Qg5+ 35. Kh2 Re8 36. Rf7 Re7 37. Kh1 Qh4 38. Kh2 Qg5 39. b3 Qd2+ 40. Ne2 Qg5 41. Ng3 Qd2+ 42. Rf2 Qg5 43. Nh5 h6 44. Rf8+ Kh7 45. Nf6+ 1-0

[Event "National USA CF-02 Championship"]
[Site "Bradley Beach"]
[Date "1928.09.07"]
[Round "2"]
[White "Isaacs, Lewis Jl"]
[Black "Tenner, Oscar"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "113"]
[EventDate "1928.09.06"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nc6 9. 0-0-0 h6 10. Bxf6 Qxf6 11. d4 Ne7 12. Qb5+ Bd7 13. Qxb7 Rc8 14. Re1 Kd8 15. Qxa7 Nc6 16. Qa4 Qf4+ 17. Kb1 Ne7 18. Bb5 c6 19. Bd3 Rc7 20. Re4 Qf6 21. Rhe1 Nc8 22. Nd5 Ra7 23. Qxa7 Nxa7 24. Nxf6 gxf6 25. Nh4 h5 26. f4 Nc8 27. g3 d5 28. R4e3 Nd6 29. b3 f5 30. c4 Ne4 31. Nf3 Bb4 32. Rh1 Kc7 33. Bxe4 fxe4 34. Ne5 Be8 35. f5 f6 36. Ng6 Rg8 37. cxd5 cxd5 38. Nf4 Kd6 39. Rd1 Rg5 40. Ne6 Rg4 41. Kb2 Bd7 42. a3 Ba5 43. Nc5 Bc6 44. b4 Bc7 45. a4 Ke7 46. b5 Be8 47. Kb3 h4 48. Kb4 hxg3 49. hxg3 Rg5 50. a5 Rxf5 51. b6 Bd6 52. a6 Rf2 53. b7 Ra2 54. Kb3 Ra5 55. Rh1 Bb8 56. Rh8 f5 57. Kb2 1-0

[Event "National USA CF-02 Championship"]
[Site "Bradley Beach"]
[Date "1928.09.06"]
[Round "1"]
[White "Lasker, Edward"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "C98"]
[PlyCount "63"]
[EventDate "1928.09.06"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[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. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. h3 0-0 12. Nbd2 Nc6 13. d5 Nd8 14. Nf1 Ne8 15. g4 g6 16. Ng3 Ng7 17. Bh6 f6 18. Kh2 Nf7 19. Be3 Nh8 20. Rg1 Bd7 21. Qe2 Rf7 22. Rg2 Raf8 23. Rag1 Qc8 24. Nh4 f5 25. Nhxf5 gxf5 26. gxf5 Ng6 27. Bh6 Nh4 28. Nh5 Nxg2 29. Rxg2 Bxf5 30. exf5 Rxf5 31. Bxf5 Rxf5 32. Qg4 1-0

[Event "Western CA-28 (National USA CF-01 ch )"]
[Site "Kalamazoo"]
[Date "1927.08.30"]
[Round "5"]
[White "Isaacs, Lewis Jl"]
[Black "Whitaker, Norman Tweed"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "102"]
[EventDate "1927.08.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Bg4 4. c3 Nd7 5. d3 Be7 6. Be3 Nb6 7. Bb3 Nf6 8. Nbd2 0-0 9. h3 Be6 10. Nf1 c5 11. Ng3 d5 12. Nxe5 Bd6 13. f4 c4 14. Bc2 cxd3 15. Bxd3 dxe4 16. Be2 Nfd5 17. Bxb6 Qxb6 18. Nc4 Qc7 19. Nxd6 Qxd6 20. 0-0 f5 21. Qd4 Rac8 22. Bc4 Rc5 23. Rad1 b5 24. Bb3 Qc7 25. Ne2 a5 26. Qd2 a4 27. Bxd5 Bxd5 28. b4 axb3 29. axb3 Bxb3 30. Rc1 Bc4 31. Rf2 Bxe2 32. Rxe2 Rd8 33. Qa2+ Kh8 34. Rd2 Re8 35. Qa3 e3 36. Re2 h6 37. g3 Rd5 38. Rce1 Rd3 39. Qb4 Qc6 40. Kh2 Rxc3 41. Qd4 Rc2 42. Qd3 Rxe2+ 43. Rxe2 Qc5 44. Kg2 b4 45. Qd7 Re7 46. Qd8+ Kh7 47. g4 Qc4 48. Qd1 Qxf4 49. Qc2 b3 50. Qxb3 Qe4+ 51. Kg1 f4 0-1

[Event "Match/City Chicago-London"]
[Site "Cable USA"]
[Date "1926.11.06"]
[Round "3"]
[White "Isaacs, Lewis Jl"]
[Black "Buerger, Victor"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "75"]
[EventDate "1926.11.06"]
[EventType "team-match"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Chicago"]
[BlackTeam "London"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "ENG"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. Nf3 Bg7 5. 0-0 0-0 6. h3 Nc6 7. c3 Nd7 8. Nbd2 e5 9. d5 Ne7 10. g4 Nc5 11. Bc2 f5 12. Nh2 f4 13. f3 Kf7 14. Rf2 Bf6 15. Nb3 Nd7 16. Bd2 h5 17. Rg2 Rh8 18. g5 Bg7 19. h4 Nb6 20. Be1 Nc4 21. Qc1 Bh3 22. Re2 Nc8 23. Bf2 Bf8 24. Bd3 N4b6 25. Na5 Rb8 26. a4 Be7 27. Kh1 Bxg5 28. hxg5 Qxg5 29. Qg1 Qf6 30. Qe1 g5 31. c4 Ne7 32. b4 Ng6 33. c5 Nc8 34. cxd6 cxd6 35. Rc2 g4 36. Rc7+ Nce7 37. Nxb7 g3 38. Bxa7 0-1

[Event "Western CA-27 Masters"]
[Site "Chicago"]
[Date "1926.09.02"]
[Round "13"]
[White "Maroczy, Geza"]
[Black "Isaacs, Lewis Jl"]
[Result "1/2-1/2"]
[ECO "D52"]
[PlyCount "89"]
[EventDate "1926.08.21"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. c4 c6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Bd6 7. Bd3 0-0 8. 0-0 Re8 9. Qc2 Nf8 10. Ne5 Qc7 11. f4 dxc4 12. Nxc4 Nd5 13. Qf2 Nxc3 14. bxc3 Be7 15. Bxe7 Qxe7 16. e4 b5 17. Nd2 f6 18. Nb3 Bd7 19. Nc5 Bc8 20. a4 bxa4 21. Rxa4 Nd7 22. Nb3 Nb6 23. Ra5 Rf8 24. Qe1 Bd7 25. Qa1 Be8 26. Nc5 f5 27. Re1 fxe4 28. Bxe4 g6 29. Nxe6 Qxe6 30. Bd5 Qxd5 31. Rxd5 cxd5 32. Re6 Bf7 33. Rf6 Kg7 34. Rd6 Nc4 35. Ra6 Rfe8 36. Rxa7 Rxa7 37. Qxa7 Re3 38. g4 Rf3 39. Qc7 Rxc3 40. f5 gxf5 41. Qe7 h6 42. g5 hxg5 43. Qxg5+ Bg6 44. Qe7+ Kh6 45. Qh4+ 1/2-1/2

[Event "Western CA-27 Masters"]
[Site "Chicago"]
[Date "1926.09.01"]
[Round "12"]
[White "Isaacs, Lewis Jl"]
[Black "Torre Repetto, Carlos"]
[Result "0-1"]
[ECO "B03"]
[PlyCount "138"]
[EventDate "1926.08.21"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nf3 Qc7 7. b3 g6 8. Bb2 Bg7 9. Nc3 0-0 10. Be2 N8d7 11. 0-0 Nf6 12. h3 Bd7 13. Qd2 Rad8 14. Rae1 Rfe8 15. Bd1 e5 16. d5 Nh5 17. Kh2 f5 18. g3 Rf8 19. Ng5 Nf6 20. f4 e4 21. h4 h6 22. Nh3 Rfe8 23. Kg2 Rc8 24. Re3 Na8 25. Rfe1 a6 26. a4 Qc5 27. Nb1 b5 28. Bd4 Qc7 29. axb5 axb5 30. Qb2 Rf8 31. Nd2 Nb6 32. Be2 bxc4 33. bxc4 Na4 34. Qa1 Rb8 35. Nf2 Ne8 36. Bxg7 Nxg7 37. Ra3 Qa5 38. Nb3 Qb4 39. Nd4 Rfc8 40. Nb5 Bxb5 41. cxb5 Nb6 42. Ra7 Qc3 43. Rc1 Qxa1 44. Raxa1 Ne8 45. Rc6 Kf8 46. Rac1 Rd8 47. h5 gxh5 48. Bxh5 Nf6 49. Be2 Nfxd5 50. Ra1 Ne7 51. Rc7 Nbd5 52. Rcc1 Rdc8 53. Nd1 Rxc1 54. Rxc1 Ra8 55. Kf2 Ra2 56. Rb1 Nc8 57. Rc1 Ncb6 58. Rc6 Ke7 59. Ne3 Nxe3 60. Rxb6 Nd1+ 61. Ke1 Nc3 62. Rb7+ Kd8 63. Bc4 Rb2 64. b6 e3 65. Bd3 Rd2 66. Rb8+ Ke7 67. Kf1 Rxd3 68. b7 Rd1+ 69. Kg2 Rb1 0-1

[Event "Western CA-27 Masters"]
[Site "Chicago"]
[Date "1926.08.31"]
[Round "11"]
[White "Kupchik, Abraham"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "D73"]
[PlyCount "97"]
[EventDate "1926.08.21"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. g3 g6 7. Bg2 Bg7 8. Ne5 0-0 9. Nxc6 bxc6 10. 0-0 Re8 11. Na4 e5 12. dxe5 Rxe5 13. Bf4 Re8 14. Rc1 Ba6 15. Re1 Bb5 16. Nc5 Qa5 17. a4 Bc4 18. b3 Qxc5 19. bxc4 Ne4 20. Bxe4 Rxe4 21. cxd5 Qxd5 22. Qc2 Re6 23. Red1 Qh5 24. Be3 g5 25. Qf5 Re5 26. Qf3 Qxf3 27. exf3 Ra5 28. Rc4 h6 29. Rd7 Bf8 30. Rxc6 Rxa4 31. Rf6 a5 32. Rfxf7 Rc4 33. Ra7 Rxa7 34. Rxa7 a4 35. Kf1 a3 36. Ke2 Rc2+ 37. Kd3 Rb2 38. Ke4 a2 39. f4 gxf4 40. gxf4 Rc2 41. Kd3 Rb2 42. Kc3 a1Q 43. Rxa1 Bg7+ 44. Kc4 Rc2+ 45. Kd3 Rc3+ 46. Kd2 Rc4 47. Ra7 Kh7 48. Kd3 Rb4 49. Ra6 1-0

[Event "Western CA-27 Masters"]
[Site "Chicago"]
[Date "1926.08.30"]
[Round "10"]
[White "Isaacs, Lewis Jl"]
[Black "Banks, Newell William"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "84"]
[EventDate "1926.08.21"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. Bd3 Nf6 6. c3 Bg4 7. 0-0 e6 8. Nbd2 Bd6 9. Re1 Nh5 10. Nf1 Nf4 11. Bxf4 Bxf4 12. h3 Bh5 13. g3 Bd6 14. Kg2 Rc8 15. Qb3 Bxf3+ 16. Kxf3 Qa5 17. Qxb7 0-0 18. Qa6 Qc7 19. Qa4 e5 20. Bb5 e4+ 21. Kg2 Ne7 22. Qc2 f5 23. Be2 g6 24. h4 f4 25. Bg4 Nf5 26. Rac1 Qf7 27. Qd2 Rce8 28. Kh3 h5 29. Bxf5 Qxf5+ 30. Kg2 g5 31. hxg5 h4 32. Ne3 h3+ 33. Kg1 fxe3 34. Qxe3 Qg4 35. Kh1 Rf3 36. Qe2 Ref8 37. c4 Qxg5 38. cxd5 e3 39. Rf1 Rxf2 40. Rxf2 Rxf2 41. Rc8+ Kg7 42. Qb5 Rh2+ 0-1

[Event "Western CA-27 Masters"]
[Site "Chicago"]
[Date "1926.08.29"]
[Round "9"]
[White "Chajes, Oscar"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "C98"]
[PlyCount "143"]
[EventDate "1926.08.21"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[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. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. Nbd2 Nc6 12. d5 Nd8 13. Nf1 0-0 14. h3 Ne8 15. g4 g6 16. Bh6 Ng7 17. Ng3 f6 18. Kh2 Nf7 19. Be3 Bd7 20. Rg1 Kh8 21. Rg2 Ng5 22. Ng1 Nf7 23. Qd2 Rab8 24. f3 Rg8 25. N1e2 Qc8 26. Rag1 Qb7 27. h4 Rbf8 28. Kh1 Bc8 29. Bh6 Re8 30. Rh2 Rd8 31. Rgg2 Bf8 32. Be3 Be7 33. h5 g5 34. h6 Ne8 35. Rh5 Rg6 36. Rgh2 Bf8 37. R5h3 Rxh6 38. Nh5 Qe7 39. Neg3 Rg6 40. Kg2 h6 41. Nf5 Bxf5 42. exf5 Rg8 43. Be4 Bg7 44. Qc1 Rc8 45. Qh1 Rb8 46. Kf2 Kh7 47. Kg2 Rh8 48. Qf1 Kg8 49. Kg3 Bf8 50. Rc2 Ng7 51. b4 Nxh5+ 52. Rxh5 Rc8 53. Rhh2 Kg7 54. Qh3 Qa7 55. Qf1 Be7 56. c4 Qc7 57. Qc1 Qd7 58. Qb1 bxc4 59. Rxc4 Rb8 60. Rb2 Rhc8 61. a3 Rc7 62. Qc1 Rbc8 63. Rbc2 Qb5 64. a4 Qb6 65. a5 Qa7 66. Qg1 Qb8 67. Qc1 Qa7 68. R4c3 Bf8 69. Rb2 Rb7 70. Rcc2 Be7 71. Kf2 Kh7 72. Qh1 1-0

[Event "Western CA-27 Masters"]
[Site "Chicago"]
[Date "1926.08.28"]
[Round "8"]
[White "Isaacs, Lewis Jl"]
[Black "Fink, Adolf Jay"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "56"]
[EventDate "1926.08.21"]
[EventType "tourn"]
[EventRounds "13"]
[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 Nf6 4. d4 exd4 5. 0-0 Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 g6 10. Qe2 Qd5 11. Nxe6 fxe6 12. Nd2 0-0 13. Ne4 Bd6 14. Bh6 Rfe8 15. g4 Ne5 16. Rad1 Nf7 17. Bc1 Rad8 18. h4 b5 19. Kg2 c5 20. Rh1 Bb8 21. Qf3 Kh8 22. h5 g5 23. Rhe1 Rg8 24. c3 Bf4 25. Bd2 Ne5 26. Qe2 Nd3 27. f3 Bxd2 28. Qxd2 dxc3 0-1

[Event "Western CA-27 Masters"]
[Site "Chicago"]
[Date "1926.08.27"]
[Round "7"]
[White "Factor, Samuel D"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "D46"]
[PlyCount "107"]
[EventDate "1926.08.21"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Bd3 Nbd7 6. 0-0 Bd6 7. Nc3 0-0 8. e4 dxc4 9. Bxc4 e5 10. Bg5 exd4 11. Qxd4 Qe7 12. Rae1 Ne5 13. Nxe5 Bxe5 14. Qe3 Re8 15. Qe2 Bxc3 16. bxc3 Qe5 17. Bxf6 Qxf6 18. Qe3 Be6 19. Bb3 Qe5 20. c4 c5 21. Rd1 b6 22. f4 Qc7 23. f5 Bc8 24. f6 gxf6 25. Rxf6 Qe5 26. Rf3 Bf5 27. Ba4 Re7 28. Bc6 Rf8 29. Qg5+ Bg6 30. Rf5 Qc7 31. Bd5 Rc8 32. Rdf1 Kf8 33. Rf6 Ke8 34. Bxf7+ Rxf7 35. Re6+ Kf8 36. Rxf7+ Kxf7 37. Qf6+ Kg8 38. Re7 Qxe7 39. Qxe7 Re8 40. Qxa7 Re6 41. Qb8+ Kf7 42. e5 Be4 43. Qc7+ Kg6 44. Kf2 Bd3 45. Qb7 h6 46. Qd5 Bf5 47. Ke3 Kg5 48. Qd8+ Kg4 49. Qd1+ Kg5 50. h4+ Kg6 51. Kf4 h5 52. Qd8 Bg4 53. Qg8+ Kh6 54. a4 1-0

[Event "Western CA-27 Masters"]
[Site "Chicago"]
[Date "1926.08.26"]
[Round "6"]
[White "Isaacs, Lewis Jl"]
[Black "Kashdan, Isaac"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "122"]
[EventDate "1926.08.21"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Be7 6. Re1 Nxe4 7. Rxe4 d5 8. Rxe7+ Nxe7 9. Bd3 c5 10. b4 cxb4 11. Nxd4 0-0 12. Bb2 f5 13. Nd2 Nc6 14. N2f3 Bd7 15. Qd2 Qf6 16. Rb1 Qd6 17. Qg5 Qg6 18. Qxg6 hxg6 19. Nxc6 bxc6 20. Ne5 Be8 21. Bd4 a5 22. f4 Rf6 23. h3 Re6 24. g4 fxg4 25. hxg4 Rc8 26. Bc5 Bf7 27. Kf2 g5 28. Bf5 gxf4 29. Nxf7 Kxf7 30. Bxe6+ Kxe6 31. Re1+ Kf6 32. Kf3 Rh8 33. Kxf4 Rh2 34. g5+ Kg6 35. Rc1 Rh4+ 36. Ke5 Rc4 37. Bd4 Kxg5 38. Rg1+ Kh4 39. Rg2 g5 40. Bb6 a4 41. Bd8 Kh3 42. Rd2 g4 43. Bb6 g3 44. Bd4 c5 45. Bg1 d4 46. Kd5 Rc3 47. Re2 Kg4 48. Rd2 Kf3 49. Kd6 Ke4 50. Kc6 a3 51. Kb5 Kd5 52. Re2 d3 53. cxd3 b3 54. axb3 Rxb3+ 55. Ka4 Rb2 56. Re1 a2 57. Ra1 Rb1 58. Rxa2 Rxg1 59. Kb5 Rd1 60. Rc2 Kd4 61. Rxc5 g2 0-1

[Event "Western CA-27 Masters"]
[Site "Chicago"]
[Date "1926.08.25"]
[Round "4"]
[White "Isaacs, Lewis Jl"]
[Black "Lasker, Edward"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "98"]
[EventDate "1926.08.21"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 0-0 7. Bb3 d5 8. Qe2 dxe4 9. dxe4 h6 10. h3 Qe7 11. Nbd2 Nh5 12. Kh2 Nf4 13. Qe1 Qf6 14. Bd1 Be6 15. Nb3 Bb6 16. Bxf4 Qxf4+ 17. g3 Qf6 18. Kg2 g5 19. Bc2 Bxh3+ 20. Kxh3 Qxf3 21. Bd1 Qf6 22. Bg4 Kg7 23. Qe2 Rad8 24. Kg2 Ne7 25. Nd2 Qc6 26. Nf3 f6 27. Rad1 Rh8 28. Rh1 Rd6 29. Rxd6 cxd6 30. Qd3 f5 31. exf5 e4 32. Qe2 exf3+ 33. Bxf3 Qd7 34. Qe4 Nc6 35. Bh5 Rf8 36. Bg6 Ne5 37. Bh5 Qc6 38. f3 Qxe4 39. fxe4 g4 40. Rd1 Rd8 41. Rh1 d5 42. f6+ Kxf6 43. Rf1+ Ke6 44. Rf4 dxe4 45. Rxe4 Rd2+ 46. Kf1 Kd5 47. Re2 Rd1+ 48. Re1 Rd3 49. Ke2 Rxg3 0-1

[Event "Western CA-27 Masters"]
[Site "Chicago"]
[Date "1926.08.25"]
[Round "5"]
[White "Jaffe, Charles"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "C86"]
[PlyCount "50"]
[EventDate "1926.08.21"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 Bg4 10. h3 Bd7 11. d4 exd4 12. cxd4 0-0 13. e5 Ne8 14. Nc3 g6 15. Nd5 c6 16. Nxe7+ Qxe7 17. Re1 dxe5 18. dxe5 Be6 19. Bh6 Ng7 20. Bg5 Qc7 21. Bf6 Nc4 22. b3 Nb6 23. Be4 Bd5 24. Qd2 Bxe4 25. Rxe4 Qd7 1-0

[Event "Western CA-27 Masters"]
[Site "Chicago"]
[Date "1926.08.22"]
[Round "2"]
[White "Marshall, Frank James"]
[Black "Isaacs, Lewis Jl"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "139"]
[EventDate "1926.08.21"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Be7 8. Bd3 0-0 9. Qc2 Re8 10. 0-0 Nf8 11. a3 Ng6 12. Rae1 Ne4 13. Bxe4 Bxg5 14. Nxg5 Qxg5 15. f4 Qf6 16. Bxd5 cxd5 17. Nxd5 Qc6 18. Qxc6 bxc6 19. Nc7 Bd7 20. Nxa8 Rxa8 21. Rc1 Rb8 22. b4 Ne7 23. Rc5 Kf8 24. f5 f6 25. e4 a6 26. g4 Be8 27. Kf2 Bf7 28. Rfc1 Rb6 29. Ke3 Bb3 30. Kf4 Bf7 31. h4 Ba2 32. g5 Bf7 33. Kg4 h6 34. g6 Be8 35. h5 Bd7 36. Kf4 Rb8 37. Ra5 Rb6 38. Rc4 Ke8 39. Rcc5 Kf8 40. Rc1 Ke8 41. Rac5 Kf8 42. Ra5 Bc8 43. Ke3 Bd7 44. Kd3 Ke8 45. Rac5 Rb8 46. Ra5 Rb6 47. Kc4 Kd8 48. Re1 Nc8 49. Kc5 Kc7 50. e5 fxe5 51. f6 gxf6 52. dxe5 fxe5 53. Rxe5 Nd6 54. g7 Rb8 55. Rxa6 Rg8 56. Ra7+ Nb7+ 57. Rxb7+ Kxb7 58. Re7 Kc8 59. Rf7 Be8 60. Rf8 Rxg7 61. Rxe8+ Kc7 62. Re5 Rg4 63. Re7+ Kd8 64. Ra7 Rg5+ 65. Kd6 Rd5+ 66. Kxc6 Rxh5 67. b5 Rg5 68. Ra8+ Ke7 69. b6 Rg2 70. b7 1-0

[Event "Western CA-27 Masters"]
[Site "Chicago"]
[Date "1926.08.21"]
[Round "1"]
[White "Isaacs, Lewis Jl"]
[Black "Showalter, Jackson Whipps"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "67"]
[EventDate "1926.08.21"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 d6 4. d4 exd4 5. Nxd4 Be7 6. Bd3 Nbd7 7. Nf5 0-0 8. Bg5 c6 9. 0-0 Ne5 10. Nxe7+ Qxe7 11. Be2 h6 12. Bf4 Rd8 13. Bg3 Ng6 14. Qd4 c5 15. Qd3 Be6 16. f4 Bd7 17. f5 Ne5 18. Qd2 Bc6 19. Bh4 Rd7 20. Qf4 b5 21. Bxb5 Bxb5 22. Nxb5 Rb8 23. Nc3 Rxb2 24. Qc1 Rdb7 25. Nd5 Qd8 26. Bxf6 gxf6 27. Qxh6 Ng4 28. Qh4 Ne5 29. h3 Rxc2 30. Qh6 Rbb2 31. Kh1 Rxg2 32. Rg1 Ng4 33. Rxg2 Rxg2 34. hxg4 1-0

[Event "Western CA-19 Masters"]
[Site "Chicago"]
[Date "1918.09.??"]
[Round "?"]
[White "Isaacs, Lewis Jl"]
[Black "Lasker, Edward"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "98"]
[EventDate "1918.09.22"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d4 exd4 7. e5 Ne4 8. Re1 Nc5 9. Bxc6 dxc6 10. Qxd4 Bf5 11. c3 Nd3 12. Rf1 Bc5 13. Qxd8+ Rxd8 14. Bg5 Rd7 15. b4 Ba7 16. Nbd2 0-0 17. Nb3 h6 18. Be3 Bxe3 19. fxe3 Re7 20. Na5 Bc8 21. Nc4 b5 22. Na5 Nxe5 23. Nxe5 Rxe5 24. Nxc6 Rxe3 25. Rae1 Rfe8 26. Rxe3 Rxe3 27. Kf2 Re6 28. Nd4 Rf6+ 29. Ke1 Rxf1+ 30. Kxf1 Kf8 31. Kf2 Ke7 32. Ke3 Kd6 33. g3 c5 34. Nb3 cxb4 35. cxb4 Be6 36. Nc5 Bxa2 37. Kd4 Bc4 38. Nxa6 Bf1 39. Nc5 f5 40. Nb7+ Ke6 41. Nd8+ Kf6 42. Nc6 Kg5 43. Ne5 f4 44. h4+ Kh5 45. gxf4 Kxh4 46. Nf3+ Kg3 47. Ke3 h5 48. Ng5 h4 49. Ne4+ Kg2 0-1

