[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1958.03.23"]
[Round "14"]
[White "Levy, Louis"]
[Black "Halper, N."]
[Result "1/2-1/2"]
[ECO "A04"]
[PlyCount "75"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. Nf3 f5 2. e4 fxe4 3. Ng5 e6 4. d3 e3 5. Bxe3 Nf6 6. Nc3 Nc6 7. d4 h6 8. Nge4 d5 9. Nxf6+ Qxf6 10. Bd3 Bd7 11. Qh5+ Kd8 12. Qg6 Ne7 13. Qxf6 gxf6 14. f4 c6 15. 0-0 Kc7 16. Bf2 b6 17. Bh4 Bg7 18. Ne2 Rae8 19. Ng3 f5 20. Ne2 Rhg8 21. c3 Ng6 22. Be1 Bf6 23. Nc1 c5 24. Ne2 Rg7 25. a4 Reg8 26. a5 Ne7 27. axb6+ axb6 28. Ra7+ Kd6 29. g3 Nc6 30. Rb7 Bd8 31. dxc5+ bxc5 32. Bf2 Bc8 33. Rxg7 Rxg7 34. b3 Rb7 35. Ba6 Rb8 36. Bxc8 Rxc8 37. Ra1 Rb8 38. Nc1 1/2-1/2

[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1958.03.16"]
[Round "13"]
[White "Halper, N."]
[Black "Martinson, E."]
[Result "1-0"]
[ECO "C48"]
[PlyCount "59"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 c6 7. d3 d6 8. h3 Be6 9. Be3 d5 10. exd5 Nxd5 11. Bd2 Be7 12. Qg3 Bf6 13. Ne4 Qe7 14. c4 Nf4 15. Rb1 Bf5 16. Bc2 Bxe4 17. dxe4 Ne6 18. 0-0 0-0 19. Kh1 Rad8 20. Be3 Nd4 21. Bd1 Qb4 22. b3 Qa3 23. f4 Rfe8 24. fxe5 Bxe5 25. Qf2 Bf6 26. Bxd4 Bxd4 27. Qxf7+ Kh8 28. Qxb7 Qxa2 29. Bh5 Rf8 30. Rbd1 1-0

[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1958.03.09"]
[Round "12"]
[White "Agree, Arnold"]
[Black "Halper, N."]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "89"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. 0-0 Nf6 6. b3 Ne4 7. Bb2 h5 8. Nbd2 Be7 9. dxc5 h4 10. Nxe4 dxe4 11. Qxd8+ Bxd8 12. Nxh4 Bxh4 13. gxh4 Rxh4 14. Rfd1 e5 15. Rd6 f6 16. Rad1 Bf5 17. c3 Ke7 18. h3 Rah8 19. e3 Bxh3 20. Bxh3 Rxh3 21. Kf1 Rh1+ 22. Ke2 Rxd1 23. Rxd1 Rd8 24. Rg1 Kf7 25. Rh1 Ne7 26. Rh4 f5 27. c4 Kf6 28. Rh1 Ng6 29. Rd1 Rxd1 30. Kxd1 Ke6 31. b4 Ne7 32. a4 g5 33. b5 g4 34. a5 f4 35. c6 bxc6 36. b6 axb6 37. axb6 c5 38. b7 Nc6 39. Ba3 Kd6 40. Ke1 f3 41. Kf1 Nb8 42. Kg1 Nd7 43. Kh2 Kc7 44. Kg3 Kxb7 45. Kxg4 1/2-1/2

[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1958.03.02"]
[Round "11"]
[White "Halper, N."]
[Black "Rankis, August"]
[Result "0-1"]
[ECO "C48"]
[PlyCount "54"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Bc5 6. Nxe5 0-0 7. d3 Qe7 8. Nf3 d5 9. Nxd4 Bxd4 10. Ne2 Bb6 11. c3 dxe4 12. d4 c5 13. 0-0 Bg4 14. dxc5 Bxc5 15. Qc2 Rad8 16. Ng3 Qe5 17. Kh1 Nh5 18. Re1 Nxg3+ 19. hxg3 Qh5+ 20. Kg1 f5 21. Be3 Bxe3 22. fxe3 Rf6 23. Bb5 Rfd6 24. Bc4+ Kh8 25. Be2 Rd2 26. Rad1 Qg5 27. Bxg4 Rxc2 0-1

[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1958.02.23"]
[Round "10"]
[White "Bernstein, Sidney Norman"]
[Black "Halper, N."]
[Result "1/2-1/2"]
[ECO "C47"]
[PlyCount "93"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 d6 9. Bg5 h6 10. Bh4 g5 11. Bg3 Qe7 12. Qd2 Nh5 13. Nd5 cxd5 14. Qxb4 c5 15. Qc3 dxe4 16. Bc4 Be6 17. Rad1 Nxg3 18. hxg3 Rad8 19. Bd5 f5 20. Rfe1 Qf7 21. Qc4 Rfe8 22. g4 Bxd5 23. Qxd5 Qxd5 24. Rxd5 fxg4 25. Kh2 Kf7 26. Kg3 Kf6 27. Kxg4 Re5 28. Rxe5 Kxe5 29. f3 d5 30. c4 d4 31. Rxe4+ Kf6 32. Re1 d3 33. Kg3 Kf5 34. Kf2 g4 35. Rd1 gxf3 36. Kxf3 a5 37. Rd2 h5 38. b3 h4 39. Rd1 d2 40. a3 Rd7 41. Ke3 Rb7 42. Rxd2 Rxb3+ 43. Kf2 Rxa3 44. Rd5+ Kf4 45. Rxc5 a4 46. Rh5 Ra2+ 47. Kg1 1/2-1/2

[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1958.02.16"]
[Round "9"]
[White "Halper, N."]
[Black "Kleeger, H."]
[Result "1-0"]
[ECO "B91"]
[PlyCount "73"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 a6 7. Bg2 Bd7 8. 0-0 g6 9. Nce2 Bg7 10. c3 Qc8 11. f4 Bh3 12. Qd3 Bxg2 13. Kxg2 h5 14. Nf3 Qc7 15. Be3 Ng4 16. Bg1 Bf6 17. h3 Nh6 18. Ned4 Rc8 19. Rae1 e5 20. Nxc6 Qxc6 21. Be3 0-0 22. fxe5 dxe5 23. Bxh6 Rfd8 24. Qc2 b5 25. Qf2 Qe6 26. Bg5 Rd7 27. Bxf6 Qxf6 28. Re2 Rcd8 29. Qc5 Re8 30. h4 Qe6 31. Rff2 f6 32. Rd2 Red8 33. Rxd7 Rxd7 34. Rd2 Rxd2+ 35. Nxd2 Qxa2 36. Qd5+ Qxd5 37. exd5 1-0

[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1958.02.09"]
[Round "8"]
[White "Collins, John William"]
[Black "Halper, N."]
[Result "1-0"]
[ECO "A92"]
[PlyCount "95"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 f5 2. g3 e6 3. Bg2 Nf6 4. Nf3 Be7 5. 0-0 0-0 6. c4 c6 7. Nbd2 d5 8. Ne5 Nbd7 9. Nd3 b6 10. Qa4 Qc7 11. Nf3 Nh5 12. Bd2 b5 13. cxb5 cxb5 14. Qxb5 Rb8 15. Qa4 Nb6 16. Qd1 Nc4 17. Rc1 Qb6 18. Bc3 f4 19. Nfe5 fxg3 20. hxg3 Bd6 21. e3 g6 22. Nxc4 dxc4 23. Nf4 Ng7 24. Qe2 Qb5 25. Rfd1 g5 26. Nh5 Nf5 27. e4 Nh6 28. e5 Be7 29. Be4 Qe8 30. Kg2 Bb7 31. Rh1 Qf7 32. Bxb7 Rxb7 33. Rcf1 Nf5 34. Qe4 Bd8 35. Nf6+ Bxf6 36. exf6 Rb6 37. d5 Re8 38. Re1 Nd6 39. Qg4 exd5 40. Qxg5+ Kf8 41. Qh6+ Kg8 42. Rh5 d4 43. Rg5+ Kh8 44. Rg7 Qd5+ 45. Kh2 Qf5 46. Bxd4 Rxe1 47. Rxh7+ Qxh7 48. f7+ 1-0

[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1958.02.02"]
[Round "7"]
[White "Halper, N."]
[Black "Fleischer, M."]
[Result "1-0"]
[ECO "B92"]
[PlyCount "67"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 b5 9. a4 b4 10. Nd5 Nbd7 11. Nxb4 Bb7 12. f3 a5 13. Nd5 Nxd5 14. exd5 0-0 15. 0-0 Nb6 16. c4 Qc7 17. Nd2 Ba6 18. b3 Rac8 19. Kh1 f5 20. g4 fxg4 21. fxg4 Rf6 22. Ne4 Rxf1+ 23. Qxf1 Rf8 24. Qg2 Nd7 25. Bd3 Nc5 26. Bxc5 dxc5 27. Rd1 g6 28. Bc2 Bd6 29. g5 Rf4 30. Rf1 Bc8 31. Rxf4 exf4 32. Qd2 f3 33. Qe3 Bxh2 34. Nf6+ 1-0

[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1958.01.26"]
[Round "6"]
[White "Guber, S."]
[Black "Halper, N."]
[Result "0-1"]
[ECO "A81"]
[PlyCount "124"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 e6 3. Bg2 Nf6 4. d4 Be7 5. 0-0 0-0 6. b3 Qe8 7. Bb2 d5 8. Nbd2 Qh5 9. e3 g5 10. Ne5 Qh6 11. c4 c6 12. Qc2 Nbd7 13. Nxd7 Bxd7 14. Nf3 Rad8 15. c5 Be8 16. b4 f4 17. exf4 gxf4 18. Rae1 Bg6 19. Qe2 Be4 20. Bc1 Nh5 21. g4 Ng7 22. h3 Qf6 23. Bb2 Kh8 24. a4 h5 25. g5 Qf5 26. Nh4 Qxg5 27. Nf3 Bxf3 28. Qxf3 Nf5 29. Re5 Bf6 30. h4 Nxh4 31. Qxh5+ Qxh5 32. Rxh5+ Kg7 33. Bh3 Nf3+ 34. Kh1 Rh8 35. Rxh8 Rxh8 36. Kg2 Nh4+ 37. Kh1 Kf7 38. f3 Nf5 39. Kh2 Bxd4 40. Bxd4 Nxd4 41. Kg2 Nc2 42. Rb1 Ne3+ 43. Kh2 Ke7 44. b5 Kd7 45. Rg1 Rh7 46. Rg6 Nf5 47. Rg8 d4 48. b6 axb6 49. cxb6 c5 50. a5 Kc6 51. Rc8+ Kb5 52. Rc7 Rxc7 53. bxc7 Nd6 54. Bxe6 d3 55. Bf5 d2 56. Bc2 Kxa5 57. Kg2 Kb4 58. Kf2 Kc3 59. Bd1 b5 60. Ke2 c4 61. Kf2 Kb2 62. Ke2 Kc1 0-1

[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1958.01.19"]
[Round "5"]
[White "Halper, N."]
[Black "Lorie, T."]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "32"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 Bg4 5. h3 Bxf3 6. Qxf3 Nd4 7. Qf2 e6 8. d3 Ne7 9. g3 Nec6 10. a3 g6 11. Bg2 Bg7 12. 0-0 0-0 13. Kh1 f5 14. Be3 Qe7 15. Rae1 Kh8 16. Nd1 e5 1/2-1/2

[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1958.01.12"]
[Round "4"]
[White "Osher, M."]
[Black "Halper, N."]
[Result "1-0"]
[ECO "A92"]
[PlyCount "75"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nc3 0-0 6. Nf3 c6 7. d5 d6 8. dxe6 Bxe6 9. Qd3 Nfd7 10. b3 Nc5 11. Qc2 Bf6 12. Rb1 Ne4 13. Nd1 Na6 14. a3 d5 15. 0-0 Rc8 16. Bb2 c5 17. cxd5 Bxd5 18. Ne3 Be6 19. Rfd1 Qe8 20. Nc4 Qe7 21. Nfd2 b5 22. Bxf6 Qxf6 23. Bxe4 fxe4 24. Nxe4 Qg6 25. Ncd6 Rb8 26. Rd2 c4 27. bxc4 bxc4 28. Rxb8 Rxb8 29. Nxc4 Bh3 30. f3 h5 31. Rd6 Qf5 32. Rxa6 h4 33. Ra5 Qd7 34. Ne3 Qd8 35. Qc4+ Kh7 36. Rh5+ Kg6 37. Rg5+ Kh6 38. Qc6+ 1-0

[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1957.12.15"]
[Round "3"]
[White "Halper, N."]
[Black "Kaufman, Allen J"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "104"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 e6 6. 0-0 Nge7 7. e5 0-0 8. Bxc6 Nxc6 9. Ne4 b6 10. Qe2 a5 11. Nd6 Ba6 12. c4 f6 13. d3 fxe5 14. fxe5 Qc7 15. Bd2 Nxe5 16. Nxe5 Qxd6 17. Bc3 Rae8 18. h4 Rf5 19. Ng4 Ref8 20. Qe3 Rxf1+ 21. Rxf1 Rxf1+ 22. Kxf1 Qf8+ 23. Kg1 Bb7 24. Bxg7 Qxg7 25. Qg5 Kf7 26. h5 Ke8 27. Nf6+ Kf7 28. hxg6+ hxg6 29. Ng4 Ke8 30. Ne5 d6 31. Qxg6+ Qxg6 32. Nxg6 Kf7 33. Nf4 Kf6 34. Ne2 d5 35. Nc3 Bc6 36. cxd5 exd5 37. Kf2 Ke5 38. g3 Kd4 39. Ke2 Bd7 40. Kd2 b5 41. Ne2+ Ke5 42. Ke3 d4+ 43. Kf3 Bf5 44. Nf4 c4 45. Ke2 c3 46. bxc3 dxc3 47. Kd1 b4 48. Kc2 Bg4 49. Kc1 Kd4 50. Kc2 a4 51. Ng6 Bf5 52. Nf4 Bxd3+ 0-1

[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1957.12.08"]
[Round "2"]
[White "Klugman, Reuben"]
[Black "Halper, N."]
[Result "1-0"]
[ECO "A94"]
[PlyCount "109"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 d5 7. b3 c6 8. Ba3 Ne4 9. Qc1 Nd7 10. Nbd2 Qe8 11. Bxe7 Qxe7 12. c5 e5 13. e3 g5 14. Ne1 exd4 15. exd4 Qg7 16. Nc2 Ndf6 17. f3 Nc3 18. Re1 g4 19. f4 Bd7 20. Nb4 Nfe4 21. Nc2 Rae8 22. Nxe4 Nxe4 23. b4 h5 24. Bxe4 fxe4 25. Qd2 h4 26. Ne3 hxg3 27. hxg3 Kf7 28. Kg2 Rh8 29. Rh1 Rxh1 30. Rxh1 Rh8 31. a4 Rxh1 32. Kxh1 Qh8+ 33. Kg1 Qh3 34. Qh2 Qxh2+ 35. Kxh2 a6 36. Kg2 Kg6 37. Kf2 Kf6 38. b5 Kg6 39. Ke1 cxb5 40. axb5 Bxb5 41. Nxd5 Kf5 42. Ne3+ Ke6 43. d5+ Ke7 44. Nxg4 a5 45. Kd2 Kd8 46. Ne3 Kc7 47. Kc3 Be8 48. g4 b5 49. cxb6+ Kxb6 50. Kd4 a4 51. Nc4+ Kb5 52. Nd6+ Kb4 53. Nxe4 a3 54. Nc3 Kb3 55. d6 1-0

[Event "Marshall CC-ch  1957/58"]
[Site "New York"]
[Date "1957.12.01"]
[Round "1"]
[White "Halper, N."]
[Black "Santasiere, Anthony Edward"]
[Result "1/2-1/2"]
[ECO "B19"]
[PlyCount "63"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Be3 Qc7 12. 0-0-0 Ngf6 13. Kb1 Ng4 14. Rh4 Nxe3 15. Qxe3 Be7 16. Rg4 Nf6 17. Rxg7 Kf8 18. Rxf7+ Kxf7 19. Ne5+ Ke8 20. Ng6 Rh7 21. Qxe6 Qd7 22. Qb3 Kd8 23. Ne5 Qc8 24. d5 cxd5 25. Ne4 Nxe4 26. Qxd5+ Nd6 27. Qg8+ Kc7 28. Qxh7 Qe6 29. Nd3 Qf7 30. Qxh6 Rg8 31. Qe3 Rxg2 32. Nf4 1/2-1/2

[Event "Marshall CC-ch 1956/57"]
[Site "New York"]
[Date "1957.03.10"]
[Round "13"]
[White "Halper, N."]
[Black "Radspinner, W."]
[Result "1-0"]
[ECO "B72"]
[PlyCount "51"]
[EventDate "1956.12.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Be2 Nf6 6. Nc3 Bg7 7. Be3 Nc6 8. f4 Bd7 9. Qd2 Ng4 10. Bg1 Qb6 11. Ne6 Qxb2 12. Nxg7+ Kf8 13. Rb1 Qa3 14. Bxg4 Bxg4 15. f5 Kxg7 16. h3 Bxf5 17. exf5 b6 18. Be3 Rhc8 19. 0-0 Ne5 20. Bh6+ Kg8 21. Nd5 Qc5+ 22. Be3 Nc4 23. Nxe7+ Kf8 24. Bxc5 Nxd2 25. Nxc8 dxc5 26. Nd6 1-0

[Event "Marshall CC-ch 1956/57"]
[Site "New York"]
[Date "1957.03.03"]
[Round "12"]
[White "Wachs, Saul"]
[Black "Halper, N."]
[Result "1-0"]
[ECO "D43"]
[PlyCount "47"]
[EventDate "1956.12.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Bd6 8. Bd3 0-0 9. 0-0 Nd7 10. e4 dxe4 11. Nxe4 Qe7 12. Nxd6 Qxd6 13. c5 Qd5 14. Re1 Kh8 15. Bc2 Qh5 16. Qd3 f5 17. b4 Nf6 18. Ne5 Ng4 19. Nf3 Bd7 20. Bb3 Rae8 21. h3 Nf6 22. Ne5 Bc8 23. Bd1 Qg5 24. h4 1-0

[Event "Marshall CC-ch 1956/57"]
[Site "New York"]
[Date "1957.02.24"]
[Round "11"]
[White "Winters, S."]
[Black "Halper, N."]
[Result "1/2-1/2"]
[ECO "D56"]
[PlyCount "86"]
[EventDate "1956.12.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 0-0 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 Nxc3 10. Qxc3 c6 11. Be2 Nd7 12. 0-0 f5 13. Ne5 Nxe5 14. dxe5 Bd7 15. f4 Kh8 16. Rac1 Rac8 17. Qa5 a6 18. Qb6 Be8 19. cxd5 exd5 20. b4 Qc7 21. Qc5 Rf7 22. Bh5 Re7 23. Bf3 Bf7 24. g4 g6 25. gxf5 gxf5 26. Kh1 Rg8 27. a4 Qd7 28. Rg1 Rxg1+ 29. Rxg1 Be8 30. b5 axb5 31. axb5 Kh7 32. Ra1 Rg7 33. Ra8 Qf7 34. bxc6 bxc6 35. Qd6 Qg8 36. Ra1 Qf7 37. Rg1 Rxg1+ 38. Kxg1 Qg6+ 39. Qxg6+ Bxg6 40. Kf2 Bf7 41. Ke2 Kg8 42. Kd3 c5 43. Kc3 Kf8 1/2-1/2

[Event "Marshall CC-ch 1956/57"]
[Site "New York"]
[Date "1957.02.10"]
[Round "9"]
[White "Levy, Louis"]
[Black "Halper, N."]
[Result "1-0"]
[ECO "D36"]
[PlyCount "159"]
[EventDate "1956.12.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Be7 6. e3 Nbd7 7. Nf3 c6 8. Bd3 Nf8 9. Qc2 g6 10. 0-0 Ne6 11. Bh4 Ng7 12. b4 Bxb4 13. Nxd5 Qxd5 14. Bxf6 0-0 15. Rab1 Bd6 16. e4 Qe6 17. e5 Be7 18. Ng5 Qd7 19. Ne4 Ne8 20. Bxe7 Qxe7 21. Rfd1 Kh8 22. h3 f5 23. Qc5 Qxc5 24. Nxc5 b6 25. Na6 Be6 26. Rbc1 c5 27. dxc5 bxc5 28. Bc4 Bxc4 29. Rxc4 Rc8 30. Rd7 Ng7 31. Rxc5 Ne6 32. Rb5 f4 33. Re7 Nd4 34. Rc5 Ne2+ 35. Kf1 f3 36. Rxc8 Rxc8 37. gxf3 Nf4 38. Ke1 Rc6 39. Nc7 Nd3+ 40. Ke2 Nxe5 41. Nd5 Nc4 42. Rxa7 Re6+ 43. Ne3 Ne5 44. f4 Nc6 45. Rd7 Na5 46. Kf3 Kg8 47. f5 gxf5 48. Nxf5 Nc4 49. Rg7+ Kh8 50. Rc7 Ne5+ 51. Kg3 Kg8 52. Rg7+ Kf8 53. Ra7 Nd3 54. Ra3 Nc5 55. f3 Kf7 56. Ra7+ Kf8 57. Ra8+ Kf7 58. Ra7+ Kf8 59. Rxh7 Rg6+ 60. Kh4 Rf6 61. Rh8+ Kf7 62. Rh5 Nd3 63. Kg4 Rg6+ 64. Rg5 Nf2+ 65. Kh4 Ra6 66. Rg2 Nd3 67. Rd2 Nc1 68. Kg5 Rg6+ 69. Kf4 Ra6 70. h4 Nxa2 71. h5 Nc3 72. Kg5 Nb5 73. Rd7+ Ke8 74. Re7+ Kf8 75. h6 Ra1 76. h7 Rg1+ 77. Kf6 Rh1 78. Rf7+ Ke8 79. Ng7+ Kd8 80. Ne6+ 1-0

[Event "Marshall CC-ch 1956/57"]
[Site "New York"]
[Date "1957.02.03"]
[Round "8"]
[White "Halper, N."]
[Black "Rankis, August"]
[Result "1/2-1/2"]
[ECO "B92"]
[PlyCount "81"]
[EventDate "1956.12.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 0-0 9. g4 Be6 10. g5 Nfd7 11. h4 Re8 12. Qd2 Nc6 13. h5 Na5 14. g6 b5 15. Nd5 Nxb3 16. axb3 Nf6 17. gxh7+ Kxh7 18. Nxe7 Qxe7 19. Bg5 Rec8 20. h6 g6 21. Qd3 d5 22. Qf3 dxe4 23. Qxf6 Qxf6 24. Bxf6 Rxc2 25. Bxb5 Rac8 26. Bc4 Bxc4 27. bxc4 Rxb2 28. 0-0 Rxc4 29. Bxe5 Rb5 30. Bf4 g5 31. Be3 Rc6 32. Kg2 Kxh6 33. Rfc1 Re6 34. Rc7 Kg6 35. Ra7 a5 36. R7xa5 Rxa5 37. Rxa5 f5 38. Bd4 Rd6 39. Be5 Rb6 40. Ra4 Kh5 41. Rc4 1/2-1/2

[Event "Marshall CC-ch 1956/57"]
[Site "New York"]
[Date "1957.01.27"]
[Round "7"]
[White "Dunst, Theodore Alexander"]
[Black "Halper, N."]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "76"]
[EventDate "1956.12.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c3 d5 2. d4 Nf6 3. Nf3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 Ne4 7. Bf4 Nd7 8. Nbd2 Nxd2 9. Qxd2 Nb6 10. b3 f6 11. Bh6 Bxh6 12. Qxh6 Rf7 13. Rfe1 Qf8 14. Qxf8+ Kxf8 15. e4 e6 16. e5 f5 17. Ng5 Rg7 18. f4 h6 19. Nf3 Bd7 20. a4 Nc8 21. h4 Ne7 22. Kf2 Ng8 23. Bf1 Be8 24. Bd3 Rc8 25. b4 c6 26. a5 Rgc7 27. Nd2 Ne7 28. Nb3 b6 29. axb6 axb6 30. Ra6 Rb8 31. Rea1 Nc8 32. Ke3 Kf7 33. Be2 h5 34. Ra8 Rxa8 35. Rxa8 Bd7 36. Ba6 Ne7 37. Rb8 b5 38. Nc5 Bc8 1/2-1/2

[Event "Marshall CC-ch 1956/57"]
[Site "New York"]
[Date "1957.01.20"]
[Round "6"]
[White "Halper, N."]
[Black "Peckar, Mark"]
[Result "1-0"]
[ECO "B73"]
[PlyCount "63"]
[EventDate "1956.12.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. f4 Nc6 9. Qd2 a6 10. 0-0 Bd7 11. Nxc6 Bxc6 12. Bf3 Nd7 13. Rad1 Nb6 14. b3 Qc7 15. Nd5 Nxd5 16. exd5 Bd7 17. c4 b5 18. c5 Rad8 19. c6 Be8 20. Qf2 Rb8 21. Ba7 Ra8 22. Bb6 Qc8 23. Rfe1 Bf6 24. h3 a5 25. Kh2 b4 26. Bg4 Qa6 27. c7 a4 28. Bd4 axb3 29. c8Q Rxc8 30. Bxc8 Qxc8 31. axb3 Qf5 32. Bxf6 1-0

[Event "Marshall CC-ch 1956/57"]
[Site "New York"]
[Date "1957.01.13"]
[Round "5"]
[White "Lasker, Edward"]
[Black "Halper, N."]
[Result "1-0"]
[ECO "C00"]
[PlyCount "91"]
[EventDate "1956.12.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 e6 3. Bg2 c5 4. 0-0 Nf6 5. d3 Be7 6. Nbd2 Nc6 7. Re1 0-0 8. e4 dxe4 9. dxe4 e5 10. c3 Qc7 11. Qc2 h6 12. Nf1 Be6 13. Nh4 Rfd8 14. Ne3 Bf8 15. Nef5 Kh7 16. f4 g6 17. fxe5 Ng4 18. Bf4 g5 19. Qe2 gxf4 20. gxf4 Ngxe5 21. fxe5 Nxe5 22. Ne3 Ng6 23. Nd5 Bxd5 24. Nxg6 fxg6 25. exd5 Bd6 26. Be4 Rg8 27. Kh1 Raf8 28. Rf1 Rxf1+ 29. Rxf1 Qe7 30. Qg4 Qe5 31. Rf7+ Kh8 32. Qh4 h5 33. Qf6+ Qxf6 34. Rxf6 Bb8 35. d6 Rd8 36. d7 Bc7 37. Rf7 b6 38. Bxg6 h4 39. Re7 Rf8 40. Kg2 Bd8 41. Re6 Kg7 42. Re8 Bc7 43. Rc8 h3+ 44. Kxh3 Rh8+ 45. Kg4 Rxh2 46. Rxc7 1-0

[Event "Marshall CC-ch 1956/57"]
[Site "New York"]
[Date "1957.01.06"]
[Round "4"]
[White "Halper, N."]
[Black "Kaufman, Allen J"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "75"]
[EventDate "1956.12.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 b5 9. a4 bxa4 10. Rxa4 Bb7 11. Na5 Qc7 12. Qa1 0-0 13. 0-0 d5 14. exd5 Bxd5 15. Nxd5 Nxd5 16. Rc4 Qd7 17. Rd1 f5 18. Ra4 Kh8 19. c4 Nxe3 20. Rxd7 Nxd7 21. fxe3 Bc5 22. b4 Bxe3+ 23. Kh1 Bd4 24. Qd1 Nf6 25. Bf3 Rac8 26. Nc6 Be3 27. Nxe5 Ne4 28. Bxe4 fxe4 29. Ra1 Rf2 30. Ng4 Rd2 31. Nxe3 Rxd1+ 32. Rxd1 Kg8 33. Kg1 Kf7 34. Rd4 Rb8 35. Nd5 e3 36. Re4 a5 37. Rxe3 axb4 38. Rb3 1-0

[Event "Marshall CC-ch 1956/57"]
[Site "New York"]
[Date "1956.12.16"]
[Round "3"]
[White "Bernstein, Sidney Norman"]
[Black "Halper, N."]
[Result "1/2-1/2"]
[ECO "E04"]
[PlyCount "118"]
[EventDate "1956.12.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. 0-0 Nc6 5. d4 e6 6. c4 dxc4 7. Qa4 Nd5 8. dxc5 Bxc5 9. Qxc4 Qe7 10. Bg5 f6 11. Bd2 Nb6 12. Qc2 Bd7 13. Nc3 Nc4 14. Bf4 Rc8 15. Ne4 b5 16. b3 Nb4 17. Qd1 e5 18. Bc1 Nd6 19. Nxc5 Rxc5 20. Ba3 a5 21. Bxb4 axb4 22. Qd2 Rc3 23. Ne1 Nf5 24. Nd3 Nd4 25. Rac1 0-0 26. e3 Bf5 27. Nb2 Rxc1 28. Rxc1 Ne6 29. Bc6 Rd8 30. Qe2 Rc8 31. Qxb5 Kf8 32. Rd1 Ng5 33. Bd7 Bxd7 34. Rxd7 Qe6 35. Qxb4+ Ke8 36. Rd1 Rc2 37. Qb8+ Kf7 38. Qb7+ Kg6 39. Nd3 Qf5 40. Qg2 Nh3+ 41. Kf1 h5 42. e4 Qg4 43. f3 Rxg2 44. fxg4 Rxa2 45. b4 Ng5 46. gxh5+ Kxh5 47. Nf2 Rb2 48. h4 Nf3 49. Rd7 Kh6 50. Rb7 Nd4 51. Ng4+ Kg6 52. h5+ Kxh5 53. Rxg7 Nf3 54. Nxf6+ Kh6 55. Rb7 Kg5 56. Rb6 Rd2 57. Nh7+ Kg4 58. Rg6+ Kh3 59. Ng5+ Kxg3 1/2-1/2

[Event "Marshall CC-ch 1956/57"]
[Site "New York"]
[Date "1956.12.02"]
[Round "1"]
[White "Donovan, Jeremiah"]
[Black "Halper, N."]
[Result "0-1"]
[ECO "C53"]
[PlyCount "92"]
[EventDate "1956.12.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. 0-0 d6 6. d4 Bb6 7. Bg5 Nf6 8. h3 h6 9. Bxf6 Qxf6 10. dxe5 dxe5 11. Nbd2 g5 12. Nh2 h5 13. Qf3 Qxf3 14. Ndxf3 g4 15. hxg4 hxg4 16. Ng5 f6 17. Nf7 Rh7 18. g3 Rxf7 19. Bxf7+ Kxf7 20. Kg2 Be6 21. f3 Rd8 22. fxg4 Rd2+ 23. Kh1 Bc4 24. Rad1 Rxb2 25. Rf5 Be6 26. Rf3 Rxh2+ 27. Kxh2 Bxg4 28. Kg2 Na5 29. Rd8 Bxf3+ 30. Kxf3 Nc4 31. Rd5 Ke6 32. Rd8 Nd6 33. Rh8 Nf7 34. Re8+ Kd7 35. Rb8 Ng5+ 36. Kg4 Nxe4 37. c4 Nd6 38. Rf8 Ke6 39. Rb8 f5+ 40. Kf3 Nxc4 41. Rxb7 Nd2+ 42. Ke2 Ne4 43. Kf3 Nc3 44. a3 Nb5 45. a4 Nd4+ 46. Kg2 Nc6 0-1

[Event "New York"]
[Site "New York"]
[Date "1941.??.??"]
[Round "?"]
[White "Marshall, Frank James"]
[Black "Halper, N."]
[Result "1-0"]
[ECO "C44"]
[PlyCount "55"]
[EventDate "1941.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[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. d4 exd4 4. c3 dxc3 5. Bc4 d6 6. Qb3 Qd7 7. Qxc3 d5 8. exd5 Bb4 9. dxc6 Bxc3+ 10. Nxc3 bxc6 11. 0-0 Ne7 12. Bxf7+ Kf8 13. Bb3 Bb7 14. Be3 Nf5 15. Bc5+ Nd6 16. Nd4 Re8 17. Rfe1 h5 18. Ne6+ Rxe6 19. Bxe6 Qd8 20. Re5 Rh6 21. Rae1 Bc8 22. Bb3 Bd7 23. Be3 Nf5 24. Bxh6 gxh6 25. Ne4 Kg7 26. Nc5 Kf6 27. Nxd7+ Qxd7 28. Be6 1-0

