[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.04.17"]
[Round "22"]
[White "Bolbochan, Jacobo"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "D48"]
[PlyCount "117"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 c5 10. Qe2 Bb7 11. Rd1 Qb6 12. a4 c4 13. Bc2 b4 14. a5 Qc7 15. Na4 Rc8 16. Bd2 Ne4 17. Be1 Bd6 18. h3 0-0 19. Ne5 Bxe5 20. dxe5 b3 21. Bxe4 Bxe4 22. f4 Bd3 23. Qf3 Qb8 24. Bc3 Qb5 25. Bd4 Rc6 26. Nc3 Qb7 27. Rd2 Rc7 28. e4 Nc5 29. Qe3 Qb4 30. f5 Kh8 31. Rf2 Nb7 32. fxe6 Rcc8 33. Nd5 Qb5 34. exf7 Nd8 35. Bc3 Rc6 36. e6 Nxe6 37. Bb4 Rcc8 38. Bxf8 Rxf8 39. Rf5 Qd7 40. Re1 Rxf7 41. Nf4 Nxf4 42. Qxf4 Qa7+ 43. Kh2 Kg8 44. Re3 g6 45. Rxf7 Qxf7 46. Qe5 Qg7 47. Qd5+ Qf7 48. Rf3 Qxd5 49. exd5 Be4 50. d6 Bc6 51. Rf4 Bd7 52. Rxc4 Kf7 53. Re4 Be6 54. g4 Kf6 55. g5+ Kf5 56. Re3 Bd7 57. Re7 Bb5 58. h4 Kf4 59. d7 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.04.15"]
[Round "21"]
[White "Liebstein, Arturo"]
[Black "Martin, Pedro"]
[Result "0-1"]
[ECO "C82"]
[PlyCount "126"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[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 Bc5 10. a4 b4 11. cxb4 Nxb4 12. a5 0-0 13. Nc3 Rb8 14. Qe2 Bf5 15. Nxe4 dxe4 16. Ne1 Nd3 17. Bc4 Qd4 18. Bxd3 exd3 19. Qd1 Rfd8 20. Nf3 Qd5 21. Bg5 Rd7 22. Qd2 Bg4 23. Qf4 Bxf3 24. gxf3 Rxb2 25. Qg3 Bf8 26. f4 Qe4 27. Qg4 Qd5 28. Bf6 Rb4 29. Bg5 Qe6 30. Qg2 Qf5 31. Qc6 h6 32. Bh4 Qe6 33. Qf3 d2 34. Bg3 Qf5 35. Qc6 Rbd4 36. Rfd1 Qe6 37. Qf3 Rd3 38. Qh5 g6 39. Qe2 Qc4 40. Qg4 Qe6 41. Qe2 Bb4 42. Qe4 R3d4 43. Qa8+ Kh7 44. Qc8 c5 45. Rab1 Rd3 46. Bh4 Qg4+ 47. Bg3 h5 48. Qxa6 h4 49. Qc6 hxg3 50. hxg3 Qe6 51. Qa8 Rd8 52. Qb7 R8d7 53. Qb6 Qxb6 54. axb6 Rb7 55. Kg2 Rxb6 56. g4 c4 57. f5 gxf5 58. gxf5 c3 59. Rh1+ Rh6 60. f4 c2 61. Rxh6+ Kxh6 62. Rh1+ Kg7 63. f6+ Kg8 0-1

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.04.13"]
[Round "20"]
[White "Guimard, Carlos Enrique"]
[Black "Liebstein, Arturo"]
[Result "1/2-1/2"]
[ECO "D46"]
[PlyCount "42"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Bd3 Nbd7 6. 0-0 Bd6 7. Nbd2 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 h6 11. Bc2 e5 12. c5 Bc7 13. Be3 Re8 14. Qb1 exd4 15. Bxd4 Nf6 16. b4 Bg4 17. Qb3 Bxf3 18. Bxf6 Qxf6 19. Qxf3 Qxf3 20. gxf3 Rad8 21. Rad1 Rxd1 1/2-1/2

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.04.11"]
[Round "19"]
[White "Liebstein, Arturo"]
[Black "Eliskases, Erich Gottlieb"]
[Result "0-1"]
[ECO "B73"]
[PlyCount "96"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[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. Kh1 Bd7 10. Nb3 a5 11. a3 a4 12. Nd2 Na5 13. Na2 Bc6 14. f3 Nd7 15. Rb1 d5 16. exd5 Bxd5 17. Nb4 Be6 18. f4 Nb6 19. Nf3 Nbc4 20. Bd4 Bxd4 21. Qxd4 Qxd4 22. Nxd4 Nd2 23. Nxe6 fxe6 24. g3 Rad8 25. Bb5 e5 26. Rbe1 Nxf1 27. Rxf1 exf4 28. gxf4 Rd4 29. Re1 Rf5 30. Bxa4 b5 31. c3 Rd2 32. Bc2 Rxf4 33. Bd3 Rff2 34. Bxb5 Rxh2+ 35. Kg1 Rdg2+ 36. Kf1 Rxb2 37. Kg1 Rbg2+ 38. Kf1 Rf2+ 39. Kg1 Rhg2+ 40. Kh1 Rg5 41. Bd3 Rf4 42. Re2 Rh4+ 43. Rh2 Rhg4 44. Re2 Rh5+ 45. Rh2 Rc5 46. Rc2 Nc4 47. a4 Ne5 48. a5 Nf3 0-1

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.04.10"]
[Round "18"]
[White "Wexler, Bernardo"]
[Black "Liebstein, Arturo"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "84"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 d5 4. 0-0 Bg7 5. d3 0-0 6. Nbd2 Nbd7 7. e4 dxe4 8. dxe4 Nb6 9. Qe2 c6 10. Rd1 Qc7 11. a4 a5 12. Nb3 Ng4 13. h3 Ne5 14. Nfd2 Be6 15. Nc5 Bc4 16. Nxc4 Nexc4 17. c3 Rfd8 18. Bf4 e5 19. Bg5 Rxd1+ 20. Rxd1 h6 21. Bc1 Qe7 22. b4 Nd6 23. Qc2 Nbc8 24. Qb3 b6 25. Nd3 Kh7 26. Ba3 axb4 27. cxb4 Qa7 28. Nb2 Ne8 29. Qc4 Qb7 30. Rc1 Na7 31. Rd1 b5 32. Qd3 bxa4 33. Nxa4 Nb5 34. Nc5 Qe7 35. Bb2 Ned6 36. Kh1 Rd8 37. Qe2 Ra8 38. Ra1 Rxa1+ 39. Bxa1 Qa7 40. Qb2 Nd4 41. Qb1 N6b5 42. Bb2 Qa8 1/2-1/2

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.04.09"]
[Round "17"]
[White "Liebstein, Arturo"]
[Black "Esposito, Alfredo H"]
[Result "0-1"]
[ECO "C04"]
[PlyCount "66"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. c3 e5 5. exd5 Qxd5 6. dxe5 Nxe5 7. Ngf3 Nd3+ 8. Bxd3 Qxd3 9. Qb3 Bd6 10. Nc4 Nf6 11. Be3 0-0 12. Rd1 Qg6 13. Nh4 Qh5 14. Nxd6 cxd6 15. g3 Be6 16. Qa4 g5 17. Qd4 Ng4 18. Rg1 Rfe8 19. Kd2 Rac8 20. b3 Rc5 21. c4 Nxe3 22. fxe3 b5 23. e4 bxc4 24. Rc1 cxb3 25. axb3 Rxc1 26. Kxc1 Qe2 27. Kb1 Rb8 28. Kc1 Rc8+ 29. Kb1 Qc2+ 30. Ka1 Qxb3 31. Qb2 Qa4+ 32. Kb1 Qxe4+ 33. Ka1 Rc2 0-1

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.04.07"]
[Round "16"]
[White "Sumar, Julio"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "69"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. d4 exd4 6. cxd4 d6 7. h3 Nf6 8. Nc3 h6 9. 0-0 0-0 10. Re1 Ne7 11. Qb3 c6 12. e5 Nh7 13. exd6 Nf5 14. Bf4 Nxd6 15. Bxd6 Qxd6 16. Ne4 Qc7 17. Ne5 Bxd4 18. Ng6 Bf5 19. Nxf8 Rxf8 20. Rad1 c5 21. Qc2 Qf4 22. Bd3 Bg6 23. Nxc5 Bxd3 24. Nxd3 Qf6 25. Re2 Ng5 26. Nb4 Rd8 27. Nd5 Nxh3+ 28. Kf1 Qh4 29. Re4 Qh5 30. Rdxd4 Kh8 31. Rh4 Qe5 32. gxh3 Rxd5 33. Rhe4 Rc5 34. Rd8+ Kh7 35. Rc4+ 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.04.05"]
[Round "15"]
[White "Liebstein, Arturo"]
[Black "Bolbochan, Julio"]
[Result "0-1"]
[ECO "B95"]
[PlyCount "140"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Be2 Be7 8. Qd2 Qc7 9. 0-0 Nbd7 10. Kh1 b6 11. f3 Bb7 12. Bd3 0-0 13. Rae1 Rfd8 14. Qf2 b5 15. Nd1 Nc5 16. Bd2 Rac8 17. Ne3 Nfd7 18. b4 Nxd3 19. cxd3 Ne5 20. Qe2 d5 21. Nb3 dxe4 22. dxe4 Nd3 23. Rd1 Nxb4 24. Rc1 Qd7 25. Rxc8 Rxc8 26. Bxb4 Bxb4 27. Ng4 Qc7 28. Qe3 h5 29. Nf2 Qc2 30. Qa7 Rd8 31. Kg1 Rd7 32. Qb8+ Kh7 33. Qe5 g6 34. g4 Qc7 35. Qf6 Bc3 36. Qh4 Qf4 37. Nh3 Bf6 38. Nxf4 Bxh4 39. gxh5 gxh5 40. Nc5 Rc7 41. Nxb7 Rxb7 42. Nxh5 Rc7 43. Ng3 Rc3 44. Kg2 Rc2+ 45. Rf2 Rxf2+ 46. Kxf2 e5 47. Ke2 Bxg3 48. hxg3 a5 49. Kd3 Kg7 50. Kc2 Kf8 51. Kc3 Ke7 52. Kc2 Kd6 53. Kd3 Kc5 54. f4 f6 55. Kc3 Kd6 56. Kd2 Ke7 57. Kd3 Kf7 58. Kd2 Kg6 59. Ke3 Kh5 60. Kf3 b4 61. g4+ Kg6 62. fxe5 fxe5 63. Ke3 Kg5 64. Kd3 Kxg4 65. Kc4 Kf3 66. Kb5 Kxe4 67. Kxa5 Kd3 68. Kxb4 e4 69. Kb5 e3 70. a4 e2 0-1

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.04.04"]
[Round "14"]
[White "Pinzon Solis, Felipe"]
[Black "Liebstein, Arturo"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "112"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Bxf6 Nxf6 8. Nd2 Bb4 9. Qc2 0-0 10. Bd3 dxc4 11. Nxc4 Qh5 12. 0-0 b5 13. Ne5 Bb7 14. Ne2 Rac8 15. Ng3 Qh6 16. f4 c5 17. Qb3 Bd5 18. Qd1 cxd4 19. exd4 a6 20. a4 bxa4 21. Rxa4 a5 22. Qe2 g6 23. Raa1 Rfd8 24. Kh1 Rc7 25. Qe3 Rdc8 26. Rac1 Qh3 27. Nf3 Ng4 28. Rxc7 Rxc7 29. Qe2 Qh6 30. h3 Qxf4 31. Ne5 Qxg3 32. Nxg4 Bd6 33. Kg1 f5 34. Nf6+ Kh8 35. Nxd5 Qh2+ 36. Kf2 Qg3+ 37. Kg1 exd5 38. Qf3 Qh2+ 39. Kf2 Re7 40. Ra1 Bf4 41. Bf1 Re4 42. Rxa5 Bg3+ 43. Qxg3 Rf4+ 44. Qf3 Rxf3+ 45. Kxf3 Qg1 46. Rxd5 Qxf1+ 47. Ke3 Qe1+ 48. Kd3 Qe4+ 49. Kc4 Qc2+ 50. Kb5 Qxb2+ 51. Kc5 Qc2+ 52. Kb6 Qxg2 53. Rd7 f4 54. d5 f3 55. d6 f2 56. Rc7 Qxh3 0-1

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.04.03"]
[Round "13"]
[White "Liebstein, Arturo"]
[Black "Mangini, Jose Thiago"]
[Result "1-0"]
[ECO "B72"]
[PlyCount "47"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Ng4 7. Bb5+ Bd7 8. Qxg4 Nc6 9. Bxc6 bxc6 10. Qe2 Bg7 11. Qd2 c5 12. Nde2 Qb6 13. Rb1 h6 14. 0-0 g5 15. Ng3 h5 16. Bxg5 h4 17. Nf5 Bxf5 18. exf5 h3 19. g3 0-0-0 20. Nd5 Qb7 21. Nxe7+ Kb8 22. Nd5 Bd4 23. c4 Rde8 24. b4 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.03.31"]
[Round "12"]
[White "Marini, Luis"]
[Black "Liebstein, Arturo"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "184"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 dxc4 7. Bxc4 b5 8. Bd3 a6 9. a4 Bb7 10. 0-0 Be7 11. Rd1 b4 12. Ne4 a5 13. b3 Nxe4 14. Bxe4 Qb6 15. Nd2 h6 16. Nc4 Qc7 17. Bb2 0-0 18. Bf3 c5 19. d5 Bxd5 20. Bxd5 exd5 21. Rxd5 Nb6 22. Nxb6 Qxb6 23. Rad1 Rad8 24. e4 Rd6 25. Qc4 Rfd8 26. h3 Kf8 27. R1d3 Rxd5 28. exd5 Bd6 29. Qg4 f6 30. Re3 Qb7 31. Qc4 Be7 32. Rd3 Bd6 33. Bc1 Qc7 34. Be3 Re8 35. Rd1 Rc8 36. Rc1 Qb7 37. Qg4 Re8 38. Qf3 Qe7 39. g3 Kg8 40. Rc4 Kh7 41. Kg2 Kg8 42. Qf5 Qe5 43. Qd3 Qe7 44. Bxh6 Qf7 45. Bf4 Bf8 46. Be3 Rd8 47. Rc1 Qxd5+ 48. Qxd5+ Rxd5 49. Kf1 Rd3 50. Bxc5 Rxb3 51. Bxf8 Kxf8 52. Rc5 Rb1+ 53. Kg2 Ra1 54. Rxa5 Kf7 55. Ra7+ Kg6 56. a5 Ra3 57. a6 b3 58. Rb7 b2 59. Rxb2 Rxa6 60. h4 Ra7 61. f3 Rc7 62. g4 Ra7 63. Kg3 Rc7 64. Rb8 Kh7 65. Rd8 Ra7 66. h5 Rb7 67. Ra8 Rd7 68. Ra6 Rb7 69. Rd6 Ra7 70. Kf4 Ra5 71. Rd7 Rb5 72. Ke3 Ra5 73. f4 Rb5 74. Ke4 Ra5 75. Rd5 Ra8 76. Kf5 Rb8 77. g5 fxg5 78. fxg5 Rf8+ 79. Ke6 Rf1 80. Rf5 Ra1 81. Re5 Rf1 82. Rf5 Ra1 83. Rd5 Re1+ 84. Re5 Rf1 85. Rf5 Ra1 86. Rf7 Ra6+ 87. Kf5 Ra5+ 88. Kg4 Ra4+ 89. Rf4 Ra1 90. Re4 Rg1+ 91. Kf5 Rf1+ 92. Rf4 Ra1 1/2-1/2

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.03.30"]
[Round "11"]
[White "Liebstein, Arturo"]
[Black "Luckis, Marcos"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "155"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. c4 e6 5. Nc3 Ne7 6. Nf3 Nd7 7. Nh4 dxc4 8. Bxc4 Nb6 9. Bb3 h6 10. Nxf5 Nxf5 11. Be3 Qh4 12. g3 Qh3 13. Qf3 Nh4 14. Qe4 Ng2+ 15. Ke2 Nxe3 16. fxe3 Bb4 17. Raf1 Bxc3 18. bxc3 Qh5+ 19. Kd2 Qg5 20. c4 0-0-0 21. Kc3 Qe7 22. c5 Nd5+ 23. Kb2 Rd7 24. Rf3 Qd8 25. Rd1 Nc7 26. Rdf1 Qe8 27. Qc2 g6 28. a4 Kb8 29. Qf2 Rh7 30. Bc2 Qd8 31. Rd1 Rg7 32. Qd2 h5 33. e4 Na6 34. Qc3 Rg8 35. Bb3 Qe7 36. Rfd3 Rgd8 37. Bc4 Nc7 38. Ka2 h4 39. g4 Ka8 40. Rb1 Rb8 41. Qb2 b5 42. cxb6 axb6 43. Rb3 b5 44. Qc3 Rb6 45. axb5 Nxb5 46. Bxb5 Ra7+ 47. Ra3 cxb5 48. Qc8+ Rb8 49. Qc6+ Qb7 50. Qxb7+ Rbxb7 51. g5 Rc7 52. Rxb5 Rc4 53. d5 Rxe4 54. Rxa7+ Kxa7 55. d6 Ka6 56. Rd5 exd5 57. d7 Rxe5 58. d8Q Rf5 59. Kb3 Kb5 60. Qb8+ Kc5 61. Qb4+ Kc6 62. Qxh4 Kd6 63. Kc3 Ke5 64. Qd4+ Ke6 65. h4 Rf3+ 66. Kd2 Kf5 67. Qxd5+ Kg4 68. Ke2 Rf5 69. Qh1 Kh5 70. Ke3 Kg4 71. Qh2 Rf3+ 72. Ke4 Rf5 73. h5 Rxg5 74. h6 f5+ 75. Ke3 Rh5 76. Qf4+ Kh3 77. Kf3 Rg5 78. Qxg5 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.03.28"]
[Round "10"]
[White "Maderna, Carlos Hugo"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "133"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb6 7. Nc3 Nf6 8. h3 h6 9. 0-0 0-0 10. Re1 Ne7 11. Qb3 c6 12. Bf4 d5 13. exd5 Nexd5 14. Be5 Be6 15. Bxf6 gxf6 16. Nxd5 cxd5 17. Bf1 Kh7 18. Qd3+ f5 19. Ne5 Qh4 20. Rad1 Rg8 21. g3 Qf6 22. Kh2 Kh8 23. Qe3 Rae8 24. Bb5 Re7 25. Nxf7+ Kh7 26. Ne5 Bd8 27. Qf4 Reg7 28. Bd3 Kh8 29. Re2 Qg5 30. Qxg5 hxg5 31. Nf3 Bd7 32. Ne5 Be6 33. g4 Rf8 34. Kg2 Bc7 35. f3 Rf6 36. gxf5 Bxf5 37. Ng4 Bxg4 38. fxg4 Rgf7 39. Bf5 Kg7 40. Kf3 Rh6 41. Kg2 Bd6 42. Rc1 Rhf6 43. Rc8 Rf8 44. Ree8 Rxe8 45. Rxe8 b6 46. Rd8 a5 47. Rd7+ Kf8 48. Rh7 Bf4 49. Rd7 Bd6 50. Kf3 Rh6 51. h4 Be7 52. h5 Rc6 53. Rxd5 Rc1 54. h6 Rf1+ 55. Kg2 Rd1 56. h7 Bf6 57. Rd6 Bg7 58. Rd8+ Kf7 59. h8Q Bxh8 60. Rxh8 Rxd4 61. Rh2 b5 62. Kf3 a4 63. Ke3 Rb4 64. a3 Rc4 65. Rh7+ Kf6 66. Rb7 Rc5 67. Kd4 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.03.27"]
[Round "9"]
[White "Liebstein, Arturo"]
[Black "Dantas, Nelson"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "75"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. d3 d6 6. Bg5 h6 7. Bh4 a6 8. Nd5 g5 9. Bg3 Nxd5 10. Bxd5 Bg4 11. c3 Qf6 12. h4 Bxf3 13. gxf3 Kd7 14. Qe2 Qe7 15. b4 Ba7 16. Qf1 Qf6 17. Qh3+ Ke7 18. Qg4 Rag8 19. hxg5 hxg5 20. 0-0-0 Nb8 21. Bxb7 c6 22. Rxh8 Rxh8 23. Bc8 Kd8 24. Kc2 Kc7 25. Bf5 c5 26. a3 Nc6 27. Bd7 Qe7 28. Bxc6 Kxc6 29. Qf5 f6 30. d4 cxd4 31. cxd4 Qc7 32. Rc1 Kb5+ 33. Kd2 Qf7 34. dxe5 dxe5 35. Bxe5 Rd8+ 36. Bd4+ Ka4 37. Qa5+ Kb3 38. Qxd8 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.03.25"]
[Round "8"]
[White "Reinhardt, Enrique Heinrich"]
[Black "Liebstein, Arturo"]
[Result "1/2-1/2"]
[ECO "D19"]
[PlyCount "146"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 Nbd7 9. Qe2 Bg4 10. Rd1 0-0 11. h3 Bh5 12. e4 Qc7 13. g4 Bg6 14. Nh4 Qa5 15. Nxg6 hxg6 16. Kg2 e5 17. Na2 exd4 18. Nxb4 Qxb4 19. Rxd4 Qe7 20. Ra3 c5 21. Rd1 Ne5 22. Ba2 Nc6 23. f3 Rad8 24. Re1 Nd4 25. Qf2 Nh7 26. h4 Kh8 27. Rc3 b6 28. Rh1 Qe5 29. Bc4 Ne6 30. Bd5 Nf4+ 31. Bxf4 Qxf4 32. g5 Rfe8 33. Rd3 Nf8 34. Qg3 Ne6 35. h5 Qxg3+ 36. Kxg3 gxh5 37. Rxh5+ Kg8 38. g6 Kf8 39. gxf7 Kxf7 40. f4 Ke7 41. Re5 Kf6 42. Rf5+ Ke7 43. Rd1 g6 44. Re5 Kf6 45. Rh1 Nf8 46. Rxe8 Rxe8 47. Kf3 a6 48. e5+ Kg7 49. Rd1 Rd8 50. Bb3 Rxd1 51. Bxd1 Ne6 52. Ke4 Nc7 53. Bg4 Kf7 54. Bc8 Ke7 55. Bb7 Kd7 56. Kf3 Ke7 57. Kg4 b5 58. a5 c4 59. Kf3 Ke6 60. Ke4 Ke7 61. Ke3 Ke8 62. Kd2 Kd7 63. Be4 Ke6 64. Bxg6 Nd5 65. Be4 Nxf4 66. Bb7 Nd5 67. Bxa6 Nc7 68. Bb7 b4 69. Ke3 Kxe5 70. a6 Nb5 71. Bc6 Na7 72. Bb7 Nb5 73. Bc6 Na7 1/2-1/2

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.03.24"]
[Round "7"]
[White "Liebstein, Arturo"]
[Black "Flores Alvarez, Rodrigo"]
[Result "1/2-1/2"]
[ECO "B92"]
[PlyCount "102"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Nbd7 9. Be3 Be7 10. h3 Rc8 11. Bf3 Qc7 12. Rc1 b5 13. a3 Nb6 14. Nd2 0-0 15. Re1 Rfd8 16. Bxb6 Qxb6 17. Nf1 b4 18. axb4 Qxb4 19. Rb1 a5 20. Ne3 Qd4 21. Ne2 Qb6 22. Nc3 g6 23. g4 h6 24. Qc1 Kg7 25. Rd1 Nh7 26. Ncd5 Qb7 27. Nxe7 Qxe7 28. Rd3 Ng5 29. Bg2 Qb7 30. Qd2 Bc4 31. Rxd6 Ba2 32. Re1 Rxd6 33. Qxd6 Qxb2 34. Qa6 Qc3 35. Rd1 Ne6 36. Bf1 Nd4 37. Bd3 Rc6 38. Qa8 Rc8 39. Qb7 Rc7 40. Qb8 Nf3+ 41. Kg2 Ng5 42. Qe8 Ne6 43. Qa4 Nf4+ 44. Kg3 Be6 45. Ba6 Ra7 46. Qe8 Rxa6 47. Rd8 Kf6 48. Qh8+ Ke7 49. Qf8+ Kf6 50. Qh8+ Ke7 51. Qf8+ Kf6 1/2-1/2

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.03.22"]
[Round "6"]
[White "Letelier Martner, Rene"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "82"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 exd4 5. 0-0 Bc5 6. c3 d3 7. b4 Bb6 8. b5 Na5 9. Bxf7+ Kf8 10. Ne5 Qf6 11. Ng6+ Kxf7 12. Nxh8+ Kf8 13. e5 Qf5 14. Ba3+ Ke8 15. g4 Qe6 16. Qxd3 g5 17. Nd2 a6 18. Ne4 Nc4 19. Nf6+ Kd8 20. Qg6 Nxa3 21. Nf7+ Ke7 22. Nxg8+ Kf8 23. Nf6 Qxf7 24. Qxh6+ Ke7 25. Rad1 Nc4 26. Qxg5 Kf8 27. Rd3 d6 28. exd6 cxd6 29. Rf3 Bd8 30. Qh6+ Ke7 31. Qg5 Ne5 32. Re1 Be6 33. Rxe5 dxe5 34. Qxe5 Kf8 35. Nh7+ Kg8 36. Rxf7 Bxf7 37. Nf6+ Bxf6 38. Qxf6 axb5 39. Qg5+ Kh8 40. Qf6+ Kg8 41. Qg5+ Kf8 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.03.20"]
[Round "5"]
[White "Liebstein, Arturo"]
[Black "Souza Mendes, Joao"]
[Result "1-0"]
[ECO "B73"]
[PlyCount "55"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. h3 0-0 9. Qd2 Nxd4 10. Bxd4 Be6 11. 0-0 Qc8 12. f4 Rd8 13. Bf3 Bc4 14. Rf2 e5 15. Be3 d5 16. exd5 e4 17. Nxe4 Nxd5 18. c3 f5 19. Nc5 Nxe3 20. Qxe3 Re8 21. Bxb7 Rxe3 22. Bxc8 Rxc8 23. Nb3 Rce8 24. Nd2 Re1+ 25. Rxe1 Rxe1+ 26. Kh2 Bxa2 27. Nf3 Bd5 28. Nxe1 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.03.19"]
[Round "4"]
[White "Rossetto, Hector"]
[Black "Liebstein, Arturo"]
[Result "1/2-1/2"]
[ECO "E09"]
[PlyCount "163"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Nbd7 6. 0-0 Be7 7. Qc2 0-0 8. Nbd2 Re8 9. b3 b6 10. Bb2 Bb7 11. Rfd1 Rc8 12. Rac1 Bf8 13. e4 dxe4 14. Nxe4 Nxe4 15. Qxe4 g6 16. h4 Bg7 17. Ne5 Rc7 18. Qf4 Nxe5 19. dxe5 Rd7 20. Rxd7 Qxd7 21. Bf3 c5 22. Rd1 Qe7 23. Rd3 Bxf3 24. Qxf3 Rd8 25. Qd1 Rxd3 26. Qxd3 h6 27. Bc3 Qc7 28. Qe2 h5 29. Kg2 Qb7+ 30. Qf3 Qd7 31. Kf1 Bh6 32. Ke2 Bg7 33. Qe4 Bh6 34. Qd3 Qb7 35. f3 Bg7 36. Qd6 Bf8 37. Qd8 Qe7 38. Qxe7 Bxe7 39. Bd2 Kf8 40. Kd3 Ke8 41. Bh6 f6 42. exf6 Bxf6 43. Bf4 Kd7 44. Ke4 Bc3 45. Be5 Bd2 46. Kd3 Bh6 47. a4 a6 48. Ke4 Bd2 49. Kd3 Bh6 50. Bc3 Kc6 51. Ke4 Bf8 52. Kf4 Bh6+ 53. Ke4 Bf8 54. Be1 Bd6 55. g4 b5 56. gxh5 gxh5 57. Bd2 bxc4 58. bxc4 Kd7 59. Bf4 Be7 60. Bg3 Bf8 61. Bf2 Bd6 62. Be1 Ke7 63. Bd2 Kf7 64. Bg5 Bc7 65. Be3 Bd6 66. Bf4 Be7 67. Bg3 Bf6 68. Bf2 Ke8 69. Kf4 Kd7 70. Kg3 Kc6 71. Be3 Kd6 72. Bf4+ Kd7 73. Bg5 Bg7 74. Kf4 Bc3 75. Ke4 Bg7 76. f4 Ke8 77. f5 Kf7 78. Bd8 Bc3 79. Kf4 Bd2+ 80. Ke5 Bc3+ 81. Ke4 Be1 82. Bg5 1/2-1/2

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.03.17"]
[Round "3"]
[White "Liebstein, Arturo"]
[Black "Bauza, Lorenzo"]
[Result "1/2-1/2"]
[ECO "C99"]
[PlyCount "61"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 14. Nf1 Rac8 15. Bd3 Nc6 16. dxe5 dxe5 17. Bd2 Rfd8 18. Qe2 Bb4 19. Rad1 Bxd2 20. Rxd2 Nd4 21. Nxd4 Rxd4 22. Rc2 Qd6 23. Rxc8+ Bxc8 24. Bc2 Be6 25. b3 g6 26. Kh2 Kg7 27. Rd1 Rxd1 28. Bxd1 Qd4 29. Ng3 a5 30. Bc2 b4 31. Bd3 1/2-1/2

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.03.16"]
[Round "2"]
[White "Vasconcellos, Fernando"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "83"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Be7 5. d4 exd4 6. Nxd4 0-0 7. Nc3 a6 8. Be2 Nxd4 9. Qxd4 d6 10. Bd2 Be6 11. Rae1 Nd7 12. Kh1 Kh8 13. f4 f5 14. Bf3 Bf6 15. Qe3 Bc4 16. Be2 Bxe2 17. Rxe2 Re8 18. Qf3 fxe4 19. Rxe4 Rxe4 20. Nxe4 d5 21. Ng3 Bxb2 22. Qxd5 Nb6 23. Qb3 Qxd2 24. Qxb2 Rd8 25. Nf5 Qd7 26. Ne3 Re8 27. Qc3 Na4 28. Qa3 Qd4 29. h3 b5 30. Ng4 h6 31. Ne5 c5 32. Qf3 Nc3 33. Qc6 Rb8 34. Qxa6 Ne2 35. Qg6 Rf8 36. Kh2 Qd5 37. Qh5 Qe4 38. Ng6+ Kg8 39. Nxf8 Kxf8 40. Qxc5+ Kg8 41. Qxb5 Qe3 42. Qb3+ 1-0

[Event "Zonal-7 South America"]
[Site "Mar del Plata"]
[Date "1951.03.15"]
[Round "1"]
[White "Liebstein, Arturo"]
[Black "Schroeder, R."]
[Result "1-0"]
[ECO "C66"]
[PlyCount "119"]
[EventDate "1951.03.15"]
[EventType "tourn"]
[EventRounds "23"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. 0-0 Nf6 6. Re1 Be7 7. c3 0-0 8. Na3 a6 9. Ba4 b5 10. Bb3 Bg4 11. Nc2 exd4 12. cxd4 d5 13. e5 Ne4 14. Ne3 Be6 15. Nf1 f5 16. exf6 Rxf6 17. Ng5 Nxg5 18. Bxg5 Rg6 19. Bxe7 Nxe7 20. Ng3 Qd6 21. Bc2 Rh6 22. Qd2 Rf8 23. Re2 Bg4 24. Re5 Nc6 25. Rxd5 Qf4 26. Qxf4 Rxf4 27. Be4 Be6 28. Rc5 Nxd4 29. Rxc7 Ne2+ 30. Nxe2 Rxe4 31. Rd1 Rf6 32. Ng3 Re5 33. a3 h5 34. f3 h4 35. Ne4 Rg6 36. Kf2 h3 37. g3 Bc4 38. Rd8+ Kh7 39. Rd4 Rge6 40. Rdd7 Rg6 41. Ke3 a5 42. Kf4 Re8 43. g4 Rf8+ 44. Kg3 Be2 45. Rc3 a4 46. Re3 Bf1 47. f4 Rc6 48. Nc3 Bg2 49. Ree7 Rg8 50. Ne4 Bxe4 51. Rxe4 Rc4 52. Rxc4 bxc4 53. Rc7 Rb8 54. Rxc4 Rb3+ 55. Kh4 Rxb2 56. Kxh3 Rb3+ 57. Kh4 Rxa3 58. f5 Kg8 59. g5 Kh7 60. g6+ 1-0

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.31"]
[Round "15"]
[White "Liebstein, Arturo"]
[Black "Garcia Vera, Romeo"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "98"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[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 e6 6. Be3 a6 7. a4 b6 8. f3 Be7 9. Qd2 Bb7 10. Qf2 Nbd7 11. Bc4 d5 12. exd5 Ne5 13. Be2 Nxd5 14. Nxd5 Qxd5 15. 0-0 Nc4 16. Bxc4 Qxc4 17. b3 Qc8 18. c4 0-0 19. a5 bxa5 20. Rxa5 Qc7 21. Rh5 g6 22. Rh3 Bc8 23. Ne2 e5 24. Rh6 Rb8 25. Nc3 Be6 26. Rb1 Rfd8 27. Qc2 Bc5 28. Bf2 Qb6 29. Rh4 Bxf2+ 30. Qxf2 Qxf2+ 31. Kxf2 Rd3 32. Ne4 Rdxb3 33. Rxb3 Rxb3 34. Ng5 Bd7 35. Nxh7 Kg7 36. Ng5 Rb2+ 37. Kg3 Be8 38. Re4 f6 39. Ne6+ Kf7 40. Nc7 Bc6 41. Rh4 a5 42. Rh7+ Kg8 43. Re7 Rb7 44. f4 exf4+ 45. Kxf4 a4 46. g4 a3 47. Re3 a2 48. Ra3 Rb3 49. Rxb3 a1Q 0-1

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.30"]
[Round "14"]
[White "Pilnik, Hermann"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "67"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 e6 5. Nbd2 Nbd7 6. b3 Bb4 7. Bb2 Ne4 8. a3 Ba5 9. b4 Nxd2 10. Qxd2 Bc7 11. Bd3 0-0 12. Qc2 h6 13. 0-0 dxc4 14. Bxc4 Nb6 15. Ba2 Nd5 16. Rac1 Bd7 17. Ne5 Be8 18. g3 a5 19. e4 Ne7 20. bxa5 Rxa5 21. Rfd1 Qc8 22. Bc3 Ra8 23. Bb4 Bd8 24. d5 cxd5 25. Qxc8 Nxc8 26. Bxf8 Kxf8 27. exd5 Bf6 28. f4 exd5 29. Bxd5 Nd6 30. Bg2 Ra6 31. Rd3 b5 32. Bc6 Nc4 33. Bxe8 Nxe5 34. fxe5 1-0

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.29"]
[Round "13"]
[White "Liebstein, Arturo"]
[Black "Puiggros, Guillermo"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "88"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 d6 6. Nxc6 bxc6 7. Bd3 Be7 8. h3 0-0 9. 0-0 Ne8 10. f4 Bf6 11. Bd2 Bd4+ 12. Kh2 Rb8 13. Rb1 Qh4 14. Be1 Qh6 15. Qf3 Nf6 16. Bd2 Ng4+ 17. Kh1 g6 18. Nd1 Re8 19. c3 Bb6 20. b4 f5 21. exf5 gxf5 22. a4 a6 23. c4 Bd4 24. Qg3 c5 25. b5 axb5 26. cxb5 Kh8 27. Bc3 Rg8 28. Bc4 Rg7 29. Bxd4 cxd4 30. Qb3 Nf6 31. Rb2 Bb7 32. Kg1 Qh4 33. Qd3 Rg3 34. Qxf5 Be4 35. Qe6 Re8 36. Qf7 Rg7 37. Re2 Rxf7 38. Bxf7 Re7 39. Bc4 Qg3 40. a5 Ba8 41. Ref2 Nh5 42. b6 Rg7 43. Re1 Qxg2+ 44. Rxg2 Rxg2+ 0-1

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.28"]
[Round "12"]
[White "Najdorf, Miguel"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "D19"]
[PlyCount "95"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Ne4 10. Bd3 Bxc3 11. bxc3 Nxc3 12. Qc2 Bxd3 13. Qxd3 Nd5 14. Ba3 Re8 15. Rab1 b6 16. Rfc1 Nf6 17. e4 e5 18. Rd1 exd4 19. e5 c5 20. exf6 Qxf6 21. a5 Nd7 22. Qb5 Nf8 23. Re1 Ne6 24. Bc1 Reb8 25. Ne5 Nf8 26. Bd2 Rb7 27. f4 h5 28. Qe2 g6 29. Qe4 Rbb8 30. Rb3 Re8 31. axb6 axb6 32. Reb1 Rab8 33. Qd5 Re6 34. Nc4 Rd8 35. Qg5 Nd7 36. f5 Rc6 37. Qxf6 Nxf6 38. fxg6 Nd5 39. gxf7+ Kf8 40. Rg3 Ne7 41. Bg5 Rd5 42. Bxe7+ Kxe7 43. Rf1 Rd8 44. Re1+ Kxf7 45. Ne5+ Kf6 46. Rg6+ Kf5 47. Rxc6 d3 48. Nxd3 1-0

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.27"]
[Round "11"]
[White "Liebstein, Arturo"]
[Black "Reed Valenzuela, Enrique"]
[Result "1-0"]
[ECO "C84"]
[PlyCount "81"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[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. d4 b5 7. Bb3 d6 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qe2 Bb7 11. Rd1 Qc8 12. Nc3 c6 13. Rd3 c5 14. Bd5 c4 15. Rg3 g6 16. Bh6 Bf8 17. Qe3 Bxd5 18. exd5 Nd7 19. Ne4 Qc7 20. Bxf8 Rxf8 21. d6 Qa7 22. Nf6+ Nxf6 23. Qxe5+ Kd7 24. Qe7+ Kc6 25. Qxf6 Rae8 26. d7+ Kxd7 27. Rd1+ Kc8 28. Qc6+ Kb8 29. Re3 Rd8 30. Rde1 Qb7 31. Qf6 Rd7 32. a4 Rfd8 33. axb5 axb5 34. Qe5+ Kc8 35. h3 Qd5 36. Qc3 Qd2 37. Qa3 Kb7 38. Ra1 Kc6 39. Qa6+ Kc5 40. Re5+ Rd5 41. Qa7+ 1-0

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.25"]
[Round "10"]
[White "Villegas, Benito H"]
[Black "Liebstein, Arturo"]
[Result "1/2-1/2"]
[ECO "A28"]
[PlyCount "94"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 d5 5. cxd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd7 8. d4 e4 9. Nd2 Qg5 10. Bf1 f5 11. g3 Bd6 12. Bg2 Na5 13. a4 0-0 14. Nb3 Nc4 15. Qe2 b5 16. axb5 Bxb5 17. Na5 f4 18. exf4 Nxa5 19. fxg5 Bxe2 20. Kxe2 Nb3 21. Ra6 Nxc1+ 22. Rxc1 Rab8 23. Rc2 Rfe8 24. Rxa7 Rb1 25. h4 Rg1 26. Bh3 e3 27. Ra6 exf2+ 28. Kxf2 Rxg3 29. Rxd6 Rxh3 30. Kg2 Rxh4 31. Rd5 Rg4+ 32. Kf3 Rg1 33. Kf2 Rh1 34. Kg2 Rh5 35. Rc5 Re7 36. Rf2 h6 37. Rff5 Rxg5+ 38. Rxg5 hxg5 39. Kf3 Kf7 40. Rc6 Ke8 41. Kg4 Kd7 42. d5 Re5 43. c4 g6 44. Kf3 Rf5+ 45. Ke4 Rf4+ 46. Ke5 Rg4 47. Rxg6 Rxc4 1/2-1/2

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.24"]
[Round "9"]
[White "Liebstein, Arturo"]
[Black "Iliesco, Juan Traian"]
[Result "1-0"]
[ECO "B45"]
[PlyCount "71"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[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 e6 6. Be2 Bb4 7. f3 d5 8. Nxc6 bxc6 9. e5 Nd7 10. f4 0-0 11. 0-0 f6 12. exf6 Bc5+ 13. Kh1 Nxf6 14. Bd3 a5 15. Qe2 Qe7 16. Bd2 Bd7 17. Rae1 a4 18. a3 Rfb8 19. Nd1 Re8 20. Bc3 d4 21. Bd2 Rab8 22. Rf3 Bd6 23. c3 c5 24. cxd4 cxd4 25. Qf2 e5 26. fxe5 Bxe5 27. Bb4 Qf7 28. Qh4 Qh5 29. Bc4+ Kh8 30. Qxh5 Nxh5 31. Bf7 Nf6 32. Bxe8 Rxe8 33. Nf2 Bg4 34. Rxe5 Rxe5 35. Nxg4 Re2 36. h3 1-0

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.23"]
[Round "8"]
[White "Luckis, Marcos"]
[Black "Liebstein, Arturo"]
[Result "0-1"]
[ECO "D78"]
[PlyCount "192"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 Nbd7 7. 0-0 0-0 8. Re1 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Rxe4 Nf6 12. Re1 Bg4 13. Be3 Qc7 14. Qb3 Rad8 15. Qa3 a6 16. Bf4 Qd7 17. Be5 Bh3 18. Bh1 Bh6 19. Rad1 Ng4 20. d5 Qf5 21. Bd4 Qc2 22. Qc3 Qxc3 23. Bxc3 cxd5 24. cxd5 Kf8 25. Re4 Rd6 26. Bb4 Rd7 27. d6 e5 28. Rc4 e4 29. Nd4 Ne3 30. Rdc1 Nxc4 31. Rxc4 e3 32. f4 Bg7 33. Ne2 Kg8 34. Rc7 Rb8 35. Bg2 Be6 36. Nc3 Bd4 37. Kf1 a5 38. Bxa5 Rxd6 39. Nb5 Rdd8 40. Nxd4 Rxd4 41. Ke2 Re8 42. Kxe3 Ra4 43. Bc3 Rxa2 44. Kf2 Rc8 45. Rxc8+ Bxc8 46. g4 b5 47. g5 Kf8 48. Bf6 Ke8 49. Bc6+ Bd7 50. Bf3 Ra4 51. Kg3 Rc4 52. h4 Bc6 53. Be2 Rc2 54. Kf2 Bd5 55. Ke3 Bc4 56. Bf3 Kd7 57. h5 Kd6 58. h6 Be6 59. Bd4 Bd5 60. Be2 Kc6 61. f5 Bc4 62. Bf3+ Kd6 63. Be4 Rh2 64. Bg7 Bd5 65. Bd3 Rh3+ 66. Kd4 Rh4+ 67. Ke3 Bc6 68. Bc2 Be8 69. Bf8+ Kd5 70. Bg7 Kc4 71. Bf6 b4 72. Bd3+ Kb3 73. Be4 Bb5 74. Be5 Ka2 75. Bd5+ Bc4 76. Be4 b3 77. Kf3 Be2+ 78. Ke3 Bh5 79. f6 Be2 80. Bc3 Bc4 81. Bf3 Be6 82. Be5 Rc4 83. Bc3 Rxc3+ 84. bxc3 b2 85. Be4 Bf5 86. Bxf5 gxf5 87. g6 b1Q 88. g7 Qe4+ 89. Kd2 Qg4 90. c4 Kb3 91. c5 Qd4+ 92. Ke2 Qd8 93. Kf3 Kc4 94. c6 Kd5 95. c7 Qe8 96. Kf4 Ke6 0-1

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.21"]
[Round "7"]
[White "Maderna, Carlos Hugo"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "D60"]
[PlyCount "85"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 Ne4 7. Bxe7 Qxe7 8. Qc2 Nxc3 9. Qxc3 c6 10. Be2 0-0 11. 0-0 Re8 12. Rfd1 dxc4 13. Bxc4 b5 14. Be2 Bb7 15. Rac1 a6 16. h3 Rac8 17. b4 f6 18. Nd2 Nb6 19. a3 Na4 20. Qb3 Rc7 21. Ne4 Bc8 22. Bh5 g6 23. Bf3 f5 24. Nc5 Nb6 25. Nd3 Qd6 26. Ne5 Bb7 27. Rc5 Rec8 28. Rdc1 Kf8 29. g3 Kg7 30. h4 h6 31. Qd3 h5 32. Qd2 Nd7 33. Nxd7 Rxd7 34. Qc3 Rdc7 35. d5+ Kh7 36. dxc6 Ba8 37. Rd1 Qe7 38. Rd7 Rxd7 39. cxd7 Rd8 40. Bxa8 Rxd7 41. Rc8 e5 42. Qc5 Qf7 43. Qxe5 1-0

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.20"]
[Round "6"]
[White "Liebstein, Arturo"]
[Black "Rossetto, Hector"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "130"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[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 b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ne4 9. c3 d3 10. Bd5 Nc5 11. Nd4 Bb7 12. Nf5 g6 13. Ng7+ Kf8 14. Bh6 Kg8 15. Bxf7+ Kxf7 16. Qf3+ Bf6 17. Qd5+ Ne6 18. exf6 Qxf6 19. Nd2 Rhd8 20. Ne4 Qe5 21. Ng5+ Kg8 22. Qxe5 Nxe5 23. N7xe6 dxe6 24. Nxe6 Rd6 25. Nc5 Bc6 26. Bf4 Rd5 27. Ne6 Rc8 28. Rfe1 d2 29. Reb1 Bd7 30. Nd4 c5 31. Bxe5 Rxe5 32. Nf3 Rd5 33. Rd1 Bg4 34. h3 Bxf3 35. gxf3 Rf8 36. Kg2 Rd3 37. Rab1 Kg7 38. b3 Rfxf3 39. Rb2 Rxh3 40. Rdxd2 Kf6 41. Rbc2 h5 42. Rxd3 Rxd3 43. c4 b4 44. Re2 h4 45. Re8 h3+ 46. Kh2 Kf5 47. Rc8 Rf3 48. Kg1 Kg4 49. Rxc5 h2+ 50. Kxh2 Rxf2+ 51. Kg1 Rxa2 52. Rd5 a5 53. c5 Kg3 54. Rg5+ Kf4 55. Rxg6 a4 56. Rb6 Kg3 57. Kf1 axb3 58. Ke1 b2 59. Rxb4 Ra1+ 60. Kd2 b1Q 61. Rxb1 Rxb1 62. Ke3 Rb4 63. Kd3 Kf4 64. Kc3 Ra4 65. Kb3 Re4 0-1

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.18"]
[Round "4"]
[White "Liebstein, Arturo"]
[Black "Flores Alvarez, Rodrigo"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "94"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[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 b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ng8 9. Bd5 Rb8 10. Nbd2 Nb4 11. Bb3 Bb7 12. a3 Nc6 13. Ne4 d5 14. exd6 Bxd6 15. Re1 Nge7 16. Nfg5 Ne5 17. f4 Nc4 18. Qh5 Bd5 19. Nxh7 Kd7 20. a4 Bxe4 21. Rxe4 Qg8 22. Rxe7+ Kxe7 23. Qe2+ Kd7 24. Qg4+ Kd8 25. Ng5 Qe8 26. Bd2 Qd7 27. Qe2 Bc5 28. Kh1 Re8 29. Qf2 Qf5 30. Be1 d3 31. Qf1 dxc2 32. Rc1 Ne3 33. Qe2 bxa4 34. Bxa4 Qxf4 35. Bxe8 Kxe8 36. Nf3 Rxb2 37. Qxa6 Rb1 38. Qc6+ Kd8 39. Bd2 Qc4 40. Qa8+ Ke7 41. Ng1 Nf1 42. Qa5 Nxd2 43. Qxd2 Rxc1 44. Qxc1 Bxg1 45. Qg5+ Ke6 46. Qc1 Bd4 47. h3 Qe2 0-1

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.17"]
[Round "3"]
[White "Guimard, Carlos Enrique"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "E11"]
[PlyCount "83"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 Ne4 6. Qc2 d5 7. e3 Nd7 8. Bd3 f5 9. 0-0 0-0 10. Nc3 c6 11. Rad1 Kh8 12. Ne5 Nxe5 13. dxe5 Bd7 14. Ne2 Qe7 15. b3 Rac8 16. Qb2 Be8 17. f3 Ng5 18. Qd4 Nf7 19. cxd5 cxd5 20. Rc1 Bc6 21. Rc2 Qc7 22. f4 a6 23. Rfc1 Qa5 24. Qc5 Qd8 25. Nd4 Qe8 26. Qb6 Nd8 27. Bxa6 Ra8 28. Be2 Rf7 29. a4 g6 30. a5 Rd7 31. b4 Re7 32. b5 Bd7 33. Rc7 Kg8 34. a6 bxa6 35. bxa6 Nf7 36. a7 Qd8 37. Ba6 Be8 38. Qb7 Bd7 39. Bb5 Bc8 40. Qxc8 Rxa7 41. Rxa7 Rxa7 42. Nxe6 1-0

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.16"]
[Round "2"]
[White "Liebstein, Arturo"]
[Black "Pelikan, Jorge"]
[Result "1/2-1/2"]
[ECO "B73"]
[PlyCount "84"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[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 g6 6. Be2 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. h3 a6 10. 0-0 Qc7 11. Rac1 Bd7 12. Nd5 Qd8 13. f3 Nh5 14. Rfd1 Rb8 15. f4 e6 16. Bxh5 exd5 17. Bf3 dxe4 18. Bxe4 Re8 19. Bf3 Qa5 20. Qxa5 Nxa5 21. Bf2 Bh6 22. Bg3 Nc4 23. b3 Ne3 24. Rd2 d5 25. Re1 Rbc8 26. Kf2 Rc3 27. Rc1 Bf8 28. Rd3 Bc5 29. Rxc3 Bxd4 30. Rd3 Nxc2+ 31. Rxd4 Nxd4 32. Bxd5 Re2+ 33. Kg1 Rd2 34. Be1 Ne2+ 35. Kf2 Rxa2 36. Rc7 Nxf4+ 37. Kf3 Nxd5 38. Rxd7 Ra1 39. Bd2 Nf6 40. Rxb7 Rf1+ 41. Ke2 Rf5 42. Bc3 Kf8 1/2-1/2

[Event "Mar del Plata International-07"]
[Site "Mar del Plata"]
[Date "1944.03.15"]
[Round "1"]
[White "Michel, Paul"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "C73"]
[PlyCount "191"]
[EventDate "1944.03.15"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[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 d6 5. Bxc6+ bxc6 6. d4 exd4 7. Qxd4 c5 8. Qd3 Ne7 9. 0-0 Ng6 10. c4 Be7 11. Nc3 0-0 12. Nd5 f5 13. Re1 f4 14. Nxf4 Nxf4 15. Bxf4 Bg4 16. Bg3 h5 17. h3 Bxf3 18. gxf3 h4 19. Bh2 Rb8 20. b3 Bf6 21. Qd5+ Rf7 22. e5 dxe5 23. Rad1 Qf8 24. Bxe5 Rd8 25. Qe4 Re8 26. f4 Bxe5 27. fxe5 Rxf2 28. Qd5+ Kh8 29. Rf1 Rf5 30. e6 g6 31. Rxf5 gxf5 32. Qe5+ Qg7+ 33. Qxg7+ Kxg7 34. Rd7+ Kf6 35. Rxc7 Rxe6 36. Kf2 Rd6 37. Ke3 Re6+ 38. Kf3 Rd6 39. Rxc5 Rd2 40. a4 Rh2 41. b4 Kg5 42. b5 Rxh3+ 43. Kg2 Rg3+ 44. Kf2 axb5 45. axb5 Rb3 46. Rc6 Kg4 47. b6 h3 48. c5 Rb2+ 49. Ke1 h2 50. Rh6 f4 51. Rxh2 Rxh2 52. b7 Rh1+ 53. Kd2 Rb1 54. c6 Rb2+ 55. Kc3 Rb6 56. c7 Rc6+ 57. Kd2 Rxc7 58. b8Q Re7 59. Qg8+ Kf3 60. Qd5+ Kg4 61. Qg2+ Kh4 62. Qf3 Kg5 63. Qh3 Re3 64. Qd7 Kh4 65. Qg7 Kh5 66. Qg8 Kh4 67. Qg6 Rg3 68. Qf5 Rg4 69. Ke2 Kg3 70. Qd3+ Kh2 71. Qe4 Kg3 72. Qd3+ Kh4 73. Kf2 Rg5 74. Qd7 Rg3 75. Qf5 Rf3+ 76. Kg2 Rg3+ 77. Kh2 Rg4 78. Qe5 f3 79. Qf6+ Rg5 80. Qxf3 Rf5 81. Qe4+ Kg5 82. Kg3 Rf6 83. Qe5+ Kg6 84. Kg4 Rf7 85. Qd6+ Kh7 86. Kg5 Kh8 87. Kg6 Rg7+ 88. Kf6 Kh7 89. Qh2+ Kg8 90. Qh5 Ra7 91. Qg4+ Kh8 92. Qh3+ Kg8 93. Qg3+ Kh8 94. Qh2+ Kg8 95. Qg1+ Kh8 96. Qxa7 1-0

[Event "Mar del Plata International-06"]
[Site "Mar del Plata"]
[Date "1943.03.31"]
[Round "13"]
[White "Villegas, Benito H"]
[Black "Liebstein, Arturo"]
[Result "0-1"]
[ECO "C90"]
[PlyCount "168"]
[EventDate "1943.03.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[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 Bg4 9. h3 Bh5 10. d3 Na5 11. Bc2 c5 12. Nbd2 0-0 13. Nf1 Bg6 14. Bg5 Nh5 15. Bxe7 Qxe7 16. Ne3 Nf4 17. Kh2 Qd7 18. d4 Qe6 19. d5 Qd7 20. b3 Nb7 21. c4 Kh8 22. Ng1 Bh5 23. Qd2 Bg6 24. g3 Nh5 25. Ne2 Nf6 26. f3 Ng8 27. Nc3 Nh6 28. g4 f6 29. Bd3 b4 30. Ne2 a5 31. a4 bxa3 32. Rxa3 Nf7 33. Ng3 Kg8 34. h4 Nh8 35. Bf1 Be8 36. Bh3 Ng6 37. Ng2 Qc7 38. h5 Nh8 39. Nf5 Nf7 40. f4 Bd7 41. g5 exf4 42. gxf6 Ne5 43. Ngh4 Bxf5 44. Bxf5 Rxf6 45. Rf1 g5 46. hxg6 hxg6 47. Be6+ Kg7 48. Rxf4 Qe7 49. Kg3 Rh8 50. Ng2 Rxe6 51. dxe6 Qg5+ 52. Kf2 Rh2 53. Kf1 Rxg2 54. Qxg2 Qxf4+ 55. Qf2 Qxf2+ 56. Kxf2 Kf6 57. Ra1 Kxe6 58. Ke3 Nc6 59. Rg1 Kf6 60. Rf1+ Ke6 61. Rg1 Ne5 62. Rh1 Nd8 63. Rh8 Ndc6 64. Re8+ Kf7 65. Ra8 g5 66. Kf2 Nd4 67. Rb8 Nd3+ 68. Kg3 Kf6 69. Rf8+ Ke5 70. Re8+ Ne6 71. Ra8 Nc1 72. Rxa5 Nxb3 73. Ra2 Kxe4 74. Re2+ Kf5 75. Rb2 Na5 76. Rc2 Nd4 77. Rf2+ Kg6 78. Ra2 Nxc4 79. Ra6 Nf5+ 80. Kf3 Kf6 81. Ke4 Ke6 82. Rc6 Nd2+ 83. Kd3 Kd5 84. Rc8 Ne4 0-1

[Event "Mar del Plata International-06"]
[Site "Mar del Plata"]
[Date "1943.03.30"]
[Round "12"]
[White "Liebstein, Arturo"]
[Black "Czerniak, Moshe"]
[Result "0-1"]
[ECO "C05"]
[PlyCount "80"]
[EventDate "1943.03.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Nb3 c4 8. Nbd2 b5 9. b3 f6 10. exf6 Qxf6 11. Bb2 e5 12. dxe5 Ndxe5 13. Be2 Bf5 14. 0-0 Nd3 15. Bxd3 Bxd3 16. Re1+ Be7 17. Qc1 0-0 18. a4 a6 19. Ba3 b4 20. cxb4 c3 21. Nf1 Be4 22. Re3 Nd4 23. Ra2 Bxf3 24. gxf3 Nxf3+ 25. Kh1 d4 26. Re4 Ng5 27. Rg4 Nh3 28. f4 Qc6+ 29. Rag2 Nf2+ 30. Kg1 Nxg4 31. Rxg4 d3 32. Ne3 d2 33. Qc2 Qe6 34. Kf2 Rad8 35. Qd1 Qe4 36. f5 Bh4+ 37. Ke2 Qd3+ 38. Kf3 c2 39. Rxg7+ Kxg7 40. Bb2+ Kh6 0-1

[Event "Mar del Plata International-06"]
[Site "Mar del Plata"]
[Date "1943.03.29"]
[Round "11"]
[White "Iliesco, Juan Traian"]
[Black "Liebstein, Arturo"]
[Result "0-1"]
[ECO "D37"]
[PlyCount "144"]
[EventDate "1943.03.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Nbd7 5. g3 dxc4 6. Qa4 c5 7. Qxc4 Nb6 8. Qd3 cxd4 9. Qxd4 Qxd4 10. Nxd4 Nbd5 11. Nxd5 Nxd5 12. e4 Bb4+ 13. Bd2 Bxd2+ 14. Kxd2 Nf6 15. e5 Nd5 16. Bg2 Ke7 17. Bxd5 Rd8 18. Bg2 Rxd4+ 19. Kc3 Rd7 20. Rac1 Rb8 21. b4 b6 22. Bc6 Rc7 23. b5 Bb7 24. Kb4 a5+ 25. Ka4 Rbc8 26. f4 Bxc6 27. bxc6 Rxc6 28. Rxc6 Rxc6 29. Kb5 Kd7 30. Rb1 Kc7 31. Ka6 a4 32. Rb2 a3 33. Rb3 f6 34. exf6 gxf6 35. Kb5 Rc5+ 36. Kb4 Rc2 37. Rxa3 Rb2+ 38. Kc4 Rxh2 39. Ra7+ Kd6 40. Rb7 Kc6 41. Re7 b5+ 42. Kd4 Kd6 43. Ra7 Rd2+ 44. Ke4 Rc2 45. Kd3 Rc4 46. Rxh7 Ra4 47. Rb7 Rxa2 48. Rxb5 Ra3+ 49. Kd4 f5 50. Rb6+ Ke7 51. Rb1 Rxg3 52. Rf1 Kd6 53. Rf2 Rh3 54. Rf1 Rb3 55. Rf2 Ra3 56. Rf1 Ke7 57. Rf2 Kf6 58. Rf1 Rb3 59. Rf2 Kg6 60. Rh2 Rf3 61. Rh4 Kf6 62. Kc5 Rg3 63. Rh6+ Kf7 64. Rh1 Rd3 65. Rf1 e5 66. fxe5 Ke6 67. Kc4 Rd7 68. Re1 Rd5 69. Kc3 Rxe5 70. Kd2 Rxe1 71. Kxe1 Ke5 72. Ke2 Ke4 0-1

[Event "Mar del Plata International-06"]
[Site "Mar del Plata"]
[Date "1943.03.28"]
[Round "10"]
[White "Liebstein, Arturo"]
[Black "Rossetto, Hector"]
[Result "0-1"]
[ECO "B05"]
[PlyCount "76"]
[EventDate "1943.03.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nf3 Bg4 7. Be2 Nc6 8. b3 Be7 9. Bb2 Bf6 10. Nbd2 Qe7 11. 0-0 0-0-0 12. Re1 h5 13. h3 Bf5 14. Bd3 Qd7 15. Ne4 Bxe4 16. Rxe4 g5 17. Qd2 d5 18. cxd5 Nxd5 19. Nxg5 Rhg8 20. h4 Bxg5 21. hxg5 f6 22. gxf6 Qh3 23. Bf1 Nxf6 24. Re3 Qd7 25. Rf3 Nd5 26. Rc1 h4 27. a3 Qg4 28. Kh2 Rg5 29. Rc5 Rdg8 30. b4 Nce7 31. Bc1 b6 32. Rc2 Nf5 33. Bb2 h3 34. Rg3 Nxg3 35. fxg3 Qxg3+ 36. Kg1 hxg2 37. Ba6+ Kb8 38. Rc1 Rh5 0-1

[Event "Mar del Plata International-06"]
[Site "Mar del Plata"]
[Date "1943.03.27"]
[Round "9"]
[White "Liebstein, Arturo"]
[Black "Bolbochan, Jacobo"]
[Result "1-0"]
[ECO "B73"]
[PlyCount "71"]
[EventDate "1943.03.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[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 d6 6. Be2 g6 7. Be3 Bg7 8. 0-0 0-0 9. Qd2 Bd7 10. Rad1 Rc8 11. Kh1 a6 12. a3 b5 13. f3 Qc7 14. Qe1 Qb7 15. Nxc6 Bxc6 16. Rd2 a5 17. Nd1 b4 18. axb4 axb4 19. Rd4 Rb8 20. Bd2 b3 21. Rb4 Qc7 22. Rxb3 Rxb3 23. cxb3 d5 24. exd5 Bxd5 25. b4 e5 26. Nc3 Bb7 27. Qh4 Rd8 28. Be3 Nh5 29. Rd1 Rxd1+ 30. Bxd1 Nf4 31. b5 Nd3 32. b6 Qc8 33. Ne4 Nxb2 34. Bb3 Kh8 35. Nd6 Qb8 36. Nxf7+ 1-0

[Event "Mar del Plata International-06"]
[Site "Mar del Plata"]
[Date "1943.03.25"]
[Round "8"]
[White "Maderna, Carlos Hugo"]
[Black "Liebstein, Arturo"]
[Result "1/2-1/2"]
[ECO "A09"]
[PlyCount "117"]
[EventDate "1943.03.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. e3 c5 4. b4 Nc6 5. b5 Na5 6. exd4 cxd4 7. d3 Nf6 8. Bb2 Bg4 9. Be2 Bxf3 10. Bxf3 e5 11. 0-0 Bd6 12. Nd2 0-0 13. Re1 Qc7 14. Nf1 Nd7 15. Ng3 f5 16. Bd5+ Kh8 17. Be6 f4 18. Ne4 Nc5 19. Bd5 Nxe4 20. Bxe4 Rf6 21. a4 Raf8 22. Bf3 b6 23. Ba3 Bxa3 24. Rxa3 Rf5 25. Ra2 Rg5 26. Be4 g6 27. Bf3 Qd6 28. Qe2 Re8 29. Kf1 Nb3 30. Bg4 h5 31. Bf3 Rf5 32. Be4 Rf7 33. Qf3 Kg7 34. Bc6 Ree7 35. Bd5 Rf8 36. Rb1 Nc5 37. a5 Kh6 38. axb6 axb6 39. Rba1 Nb3 40. Rb1 Nc5 41. Kg1 g5 42. Qd1 Qg6 43. Ra3 g4 44. Rba1 Rg7 45. Qe2 Re8 46. f3 gxf3 47. Qxf3 Qf5 48. Ra8 Rxa8 49. Rxa8 Kg5 50. Be4 Qg4 51. Rb8 Nxe4 52. dxe4 Qe6 53. Rh8 Qg6 54. h3 Ra7 55. h4+ Kxh4 56. Qh3+ Kg5 57. Qc8 Kh4 58. Qh3+ Kg5 59. Qc8 1/2-1/2

[Event "Mar del Plata International-06"]
[Site "Mar del Plata"]
[Date "1943.03.24"]
[Round "7"]
[White "Liebstein, Arturo"]
[Black "Fenoglio, Virgilio"]
[Result "0-1"]
[ECO "B18"]
[PlyCount "76"]
[EventDate "1943.03.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Be2 e6 8. 0-0 Bd6 9. b3 Ngf6 10. c4 Qc7 11. Bb2 0-0 12. Nh4 Rfe8 13. Nxg6 hxg6 14. Rc1 e5 15. c5 Bf8 16. dxe5 Nxe5 17. b4 Nd5 18. Qd4 Rad8 19. f4 Nf6 20. Qc3 Neg4 21. Bc4 Ne3 22. Rf3 Nfd5 23. Qb3 Nxc4 24. Rxc4 Re1+ 25. Kf2 Ree8 26. Be5 Qd7 27. Ne4 f6 28. Bd6 f5 29. Ng5 Bxd6 30. Rh3 Kf8 31. Rc2 Bxf4 32. Rh8+ Ke7 33. Re2+ Kf6 34. Qb2+ Kxg5 35. h4+ Kg4 36. Qb3 Rxe2+ 37. Kxe2 Qe6+ 38. Kf1 Ne3+ 0-1

[Event "Mar del Plata International-06"]
[Site "Mar del Plata"]
[Date "1943.03.23"]
[Round "6"]
[White "Pilnik, Hermann"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "D53"]
[PlyCount "79"]
[EventDate "1943.03.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Nbd7 5. Bg5 Be7 6. e3 b6 7. cxd5 Nxd5 8. Bxe7 Nxe7 9. Bd3 Bb7 10. 0-0 0-0 11. Qe2 Ng6 12. Rfd1 Nf6 13. Rac1 Qe7 14. Ne5 Rfc8 15. Ba6 c5 16. Nxg6 hxg6 17. e4 cxd4 18. Rxd4 Rd8 19. Bxb7 Qxb7 20. Qd2 Rxd4 21. Qxd4 Qc7 22. Rd1 Qf4 23. g3 Qh6 24. e5 Nh7 25. Kg2 g5 26. Qe4 Rc8 27. Rd7 a6 28. h3 Rb8 29. Ra7 Nf8 30. Qf3 Qg6 31. Ne4 a5 32. Nd6 f6 33. Qc6 Nh7 34. Nc8 Kh8 35. Qc7 Ra8 36. Qd8+ Nf8 37. Qxf8+ Kh7 38. exf6 Rxa7 39. Nxa7 gxf6 40. Qe7+ 1-0

[Event "Mar del Plata International-06"]
[Site "Mar del Plata"]
[Date "1943.03.22"]
[Round "5"]
[White "Liebstein, Arturo"]
[Black "Pelikan, Jorge"]
[Result "0-1"]
[ECO "B70"]
[PlyCount "148"]
[EventDate "1943.03.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[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 g6 6. Be2 Bg7 7. 0-0 0-0 8. Kh1 a6 9. f4 Qc7 10. Be3 b5 11. a3 Nbd7 12. Bf3 Bb7 13. Qe1 Nc5 14. Bf2 e5 15. fxe5 dxe5 16. Nb3 Ne6 17. Be3 Rac8 18. Qh4 Rfd8 19. Rad1 Qe7 20. h3 b4 21. axb4 Qxb4 22. Qf2 h6 23. Ra1 Ng5 24. Bc5 Qc4 25. Be7 Ngxe4 26. Bxe4 Nxe4 27. Nxe4 Qxe4 28. Bxd8 Rxc2 29. Nd2 Qxg2+ 30. Qxg2 Bxg2+ 31. Kxg2 Rxd2+ 32. Rf2 Rxd8 33. Rxa6 Rb8 34. Kf1 Rb7 35. h4 h5 36. Rc2 e4 37. Ra2 Bf6 38. Rh2 Rb3 39. Ke1 Be5 40. Re2 Bg3+ 41. Kd1 Bxh4 42. Rxe4 Bf6 43. Kc2 Rf3 44. b4 h4 45. b5 Rc3+ 46. Kd1 Rb3 47. Rf2 Rb1+ 48. Ke2 Bg5 49. Re5 f6 50. Rc5 h3 51. Kf3 f5 52. Rfc2 Bf6 53. Kg3 Rb3+ 54. Kf4 Kg7 55. Rc7+ Kh6 56. R7c5 Bd4 57. Rd5 Bg1 58. Rd8 Be3+ 59. Ke5 Rxb5+ 60. Ke6 Rb6+ 61. Kf7 Rb7+ 62. Ke6 Bf4 63. Rd3 h2 64. Rh3+ Kg7 65. Rc4 Rb6+ 66. Ke7 Rb1 67. Rxf4 h1Q 68. Rxh1 Rxh1 69. Ke6 Re1+ 70. Kd5 Kf6 71. Ra4 Rd1+ 72. Kc4 f4 73. Kc3 Kf5 74. Kc2 Rd5 0-1

[Event "Mar del Plata International-06"]
[Site "Mar del Plata"]
[Date "1943.03.20"]
[Round "4"]
[White "Michel, Paul"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "C87"]
[PlyCount "77"]
[EventDate "1943.03.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[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 d6 7. c4 0-0 8. d4 Nxd4 9. Nxd4 exd4 10. Qxd4 Nd7 11. Nc3 Nc5 12. Bc2 c6 13. Be3 Be6 14. Rad1 Qc7 15. Bf4 Qb6 16. b3 Bf6 17. Qd2 Be5 18. Be3 Qa5 19. Bd4 Bg4 20. f3 Bh5 21. Na4 Bxd4+ 22. Qxd4 Nxa4 23. bxa4 Rad8 24. Bb3 Rfe8 25. g4 Bg6 26. f4 f5 27. gxf5 Bxf5 28. Re3 Bg6 29. c5+ d5 30. f5 Bh5 31. Rd2 Qc7 32. e5 Rf8 33. Bc2 Rd7 34. Rg2 Qd8 35. Rh3 Qe8 36. e6 Rc7 37. Qh4 Qe7 38. Qxh5 Qxc5+ 39. Kh1 1-0

[Event "Mar del Plata International-06"]
[Site "Mar del Plata"]
[Date "1943.03.19"]
[Round "3"]
[White "Liebstein, Arturo"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "B85"]
[PlyCount "142"]
[EventDate "1943.03.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[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 d6 6. Be2 e6 7. Be3 Be7 8. 0-0 a6 9. Qd2 Qc7 10. Rad1 Bd7 11. f4 0-0 12. Nxc6 Bxc6 13. Bf3 Rac8 14. Qf2 b5 15. a3 Qb7 16. e5 dxe5 17. fxe5 Nd7 18. Qg3 Kh8 19. Bh5 f6 20. exf6 Nxf6 21. Bf3 Bxa3 22. Bxc6 Qxc6 23. Nxb5 Ne4 24. Qe5 Rxf1+ 25. Rxf1 Bxb2 26. Nd4 Qd5 27. Qc7 Rg8 28. c4 Qc5 29. Qxc5 Nxc5 30. Nf3 Ne4 31. Bd4 Bxd4+ 32. Nxd4 Nc5 33. Re1 Rd8 34. Re5 Rxd4 35. Rxc5 Kg8 36. Rc6 a5 37. Ra6 Rxc4 38. Rxa5 Kf7 39. Kf2 Kf6 40. Ke3 Rc2 41. Kf3 g5 42. h3 h5 43. Rb5 Rd2 44. Ra5 Rd5 45. Ra2 Kf5 46. Ra8 Rd3+ 47. Ke2 Rb3 48. Ra4 g4 49. hxg4+ hxg4 50. Kf2 e5 51. Rc4 Rd3 52. Rc8 Ke4 53. Rg8 g3+ 54. Ke2 Re3+ 55. Kd2 Ra3 56. Rg4+ Kf5 57. Rg8 Kf4 58. Ke2 Ra2+ 59. Kf1 Ra1+ 60. Ke2 Rg1 61. Kd3 e4+ 62. Kd4 Rd1+ 63. Kc4 Rd2 64. Rf8+ Ke3 65. Re8 Rxg2 66. Kd5 Rd2+ 67. Ke5 g2 68. Rg8 Kf2 69. Rf8+ Ke1 70. Rg8 Kf1 71. Rf8+ Rf2 0-1

[Event "Mar del Plata International-06"]
[Site "Mar del Plata"]
[Date "1943.03.18"]
[Round "2"]
[White "Stahlberg, Gideon"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "D52"]
[PlyCount "97"]
[EventDate "1943.03.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 h6 6. Bh4 Bb4 7. cxd5 exd5 8. Bd3 c6 9. Nf3 Qa5 10. Qc2 0-0 11. 0-0 Re8 12. a3 Be7 13. Bg3 Nh5 14. b4 Qb6 15. Be5 Nf8 16. h3 Qd8 17. Bh2 Bd6 18. Ne5 f6 19. Ng4 Be6 20. Bxd6 Qxd6 21. Bg6 Bf7 22. Bxf7+ Kxf7 23. Qf5 g6 24. Nxh6+ Ke7 25. Qxh5 gxh5 26. Nf5+ Kd7 27. Nxd6 Kxd6 28. Ne2 Ne6 29. Ng3 Rh8 30. Nf5+ Kd7 31. Nh4 Rhg8 32. Rfe1 Ng5 33. Kh2 Ne4 34. f3 Nd6 35. e4 a5 36. e5 fxe5 37. dxe5 Nc4 38. f4 axb4 39. axb4 Rge8 40. Rxa8 Rxa8 41. f5 Nd2 42. Ng6 Ne4 43. Nf4 b6 44. f6 Ke8 45. b5 cxb5 46. Nxd5 Ra4 47. e6 Rc4 48. f7+ Kf8 49. Nxb6 1-0

[Event "Mar del Plata International-06"]
[Site "Mar del Plata"]
[Date "1943.03.17"]
[Round "1"]
[White "Liebstein, Arturo"]
[Black "Guimard, Carlos Enrique"]
[Result "0-1"]
[ECO "C04"]
[PlyCount "81"]
[EventDate "1943.03.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. c3 f6 7. exf6 Qxf6 8. Be2 Bd6 9. Nb3 0-0 10. 0-0 Kh8 11. Bg5 Qf7 12. Bh4 e5 13. Bg3 e4 14. Ne1 Ne7 15. Bxd6 cxd6 16. Nc2 Nf6 17. Ne3 Nf5 18. Qd2 Qg6 19. Nxf5 Bxf5 20. Kh1 Rae8 21. Qf4 Bg4 22. f3 exf3 23. Bxf3 Bxf3 24. Qxf3 Kg8 25. Kg1 Ne4 26. Qd3 a6 27. Rae1 Rxf1+ 28. Rxf1 Qg5 29. Qf3 Nf6 30. Qf2 Qh5 31. Qg3 Re6 32. Nc1 Ne4 33. Qe3 Qe8 34. Qd3 Nf6 35. Qg3 Qe7 36. Nd3 Re3 37. Rf3 Re2 38. Rf2 Qe4 39. Rxf6 Rd2 40. Qf3 gxf6 41. Qg3+ 0-1

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1941.05.30"]
[Round "11"]
[White "Liebstein, Arturo"]
[Black "Eliskases, Erich Gottlieb"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "74"]
[EventDate "1941.05.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. g3 c5 4. Bg2 Nc6 5. d3 g6 6. Nbd2 Nf6 7. Nb3 Qd6 8. Bd2 Bg7 9. Qc2 0-0 10. 0-0 h6 11. Rfe1 Bf5 12. Nh4 Bd7 13. Rad1 e5 14. a3 Rfe8 15. f4 Ng4 16. Qc1 exf4 17. Bxf4 Be5 18. Bxe5 Rxe5 19. Qd2 Ne3 20. Rb1 b6 21. Qc1 Rae8 22. Nd2 g5 23. Nhf3 R5e7 24. Ne4 Qg6 25. Qd2 f5 26. Nf2 Nxg2 27. Kxg2 Ne5 28. Nxe5 Rxe5 29. b4 Bc6+ 30. Kg1 Ba8 31. b5 Qg7 32. Qd1 Qb7 33. e4 dxe3 34. Ne4 Rxe4 35. Qf3 Rd4 36. Qxb7 Bxb7 37. Rb3 f4 0-1

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1941.05.29"]
[Round "10"]
[White "Roux Cabral, Fausto"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "61"]
[EventDate "1941.05.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. Nbd2 c5 5. e3 Nc6 6. c3 Be7 7. Bd3 Qb6 8. Qb3 Qd8 9. Qc2 h6 10. h3 Bd7 11. Ne5 Rc8 12. Qd1 0-0 13. g4 Nxe5 14. Bxe5 Ne8 15. Bg3 Bh4 16. Bxh4 Qxh4 17. Nf3 Qd8 18. h4 cxd4 19. exd4 Nd6 20. g5 hxg5 21. Ne5 g4 22. Qxg4 f5 23. Qg3 Be8 24. h5 Kh7 25. 0-0-0 Ne4 26. Bxe4 fxe4 27. Rdg1 Qf6 28. Ng6 Rg8 29. Rh4 Qd8 30. h6 Qc7 31. Nf8+ 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1941.05.28"]
[Round "9"]
[White "Liebstein, Arturo"]
[Black "Luckis, Marcos"]
[Result "1/2-1/2"]
[ECO "A30"]
[PlyCount "92"]
[EventDate "1941.05.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. Nc3 g6 6. d3 Bg7 7. 0-0 0-0 8. Bd2 Nc6 9. Qc1 d5 10. cxd5 Nxd5 11. Bh6 Nxc3 12. bxc3 Qd7 13. Bxg7 Kxg7 14. a4 Rab8 15. Qe3 Rfd8 16. h4 Qf5 17. Kh2 Qf6 18. Rac1 Rd6 19. Bh3 Bc8 20. Bxc8 Rxc8 21. Ng5 Qf5 22. f4 h6 23. Nf3 Re6 24. Qd2 Rd8 25. Rfe1 Red6 26. Kg2 f6 27. Rcd1 Qd7 28. Qe3 Re6 29. Qf2 Rd6 30. Nd2 Na5 31. Ne4 Rd5 32. c4 Rd4 33. Nc3 Qc6+ 34. Kh2 e6 35. Qe3 R4d7 36. Rf1 h5 37. Rde1 Nb3 38. Rb1 Nd4 39. Qf2 Nf5 40. a5 Rb7 41. Rfc1 Nd4 42. Ne4 Qc7 43. e3 Nf5 44. Qc2 Rbb8 45. Rb5 Nd6 46. Nxd6 Rxd6 1/2-1/2

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1941.05.27"]
[Round "8"]
[White "Balparda, Julio Cesar"]
[Black "Liebstein, Arturo"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "70"]
[EventDate "1941.05.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Bf4 e6 5. e3 Nbd7 6. a3 Be7 7. Nc3 0-0 8. cxd5 exd5 9. Bd3 Re8 10. 0-0 Nf8 11. Ne5 Ng6 12. Qc2 Nxf4 13. exf4 h6 14. Rfe1 Be6 15. Re3 c5 16. Ne2 Rc8 17. Qd2 cxd4 18. Nxd4 Bc5 19. Bb5 Qb6 20. Nef3 Ne4 21. Qd3 Red8 22. h3 a6 23. Ba4 Qxb2 24. Rb1 Qxf2+ 25. Kh1 h5 26. Bc2 Bxd4 27. Nxd4 Rc3 28. Rbe1 Rxd3 29. Bxd3 Qxf4 30. Bxe4 dxe4 31. Nxe6 fxe6 32. Rxe4 Qd6 33. a4 Rf8 34. Rxe6 Rf1+ 35. Rxf1 Qxe6 0-1

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1941.05.25"]
[Round "7"]
[White "Engels, Ludwig"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "C36"]
[PlyCount "49"]
[EventDate "1941.05.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. c4 c6 6. d4 Bb4+ 7. Nc3 0-0 8. Bxf4 cxd5 9. Be2 Ne4 10. Qb3 Qa5 11. Rc1 dxc4 12. Bxc4 Bxc3+ 13. bxc3 Qf5 14. Bxb8 Rxb8 15. 0-0 Nd6 16. Ne5 Qg5 17. Bxf7+ Kh8 18. Bd5 Bf5 19. Rce1 a6 20. Qb4 Qd8 21. g4 a5 22. Qa3 Nb5 23. Qxf8+ Qxf8 24. Rxf5 Qa3 25. Nf7+ 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1941.05.24"]
[Round "6"]
[White "Liebstein, Arturo"]
[Black "Pons, A."]
[Result "1/2-1/2"]
[ECO "A34"]
[PlyCount "48"]
[EventDate "1941.05.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d3 d6 5. g3 e5 6. Bg2 Be7 7. 0-0 0-0 8. h3 h6 9. Rb1 a6 10. Bd2 Nh7 11. Nd5 f5 12. Bc3 Be6 13. Nd2 Nf6 14. Nxe7+ Qxe7 15. e3 d5 16. b3 d4 17. Ba1 dxe3 18. fxe3 Qd6 19. Bxc6 Qxc6 20. Nf3 e4 21. Ne5 Qc7 22. Ng6 Rf7 23. Be5 Qd7 24. d4 Kh7 1/2-1/2

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1941.05.23"]
[Round "5"]
[White "Ledesma, Otoniel"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "C31"]
[PlyCount "99"]
[EventDate "1941.05.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. f4 e5 2. e4 d5 3. exd5 exf4 4. Bb5+ Nd7 5. Nf3 Ngf6 6. c4 Be7 7. d4 0-0 8. 0-0 Nb6 9. Ne5 a6 10. Ba4 Nxa4 11. Qxa4 b5 12. cxb5 Nxd5 13. Nc6 Qd6 14. Nc3 Nb6 15. Bxf4 Nxa4 16. Bxd6 Bxd6 17. Nxa4 f6 18. b6 Bd7 19. b7 Rae8 20. b8Q Rxb8 21. Nxb8 Bxa4 22. Nxa6 Bb5 23. Nc5 Bxf1 24. Rxf1 Rb8 25. Nb3 Kf7 26. Re1 Rb4 27. g3 g5 28. Kf2 h5 29. Re3 f5 30. Ke2 g4 31. Kd3 h4 32. Kc3 Ra4 33. a3 Kf6 34. Nd2 c5 35. d5 Be5+ 36. Kb3 Rd4 37. Nc4 Rxd5 38. a4 f4 39. gxf4 Bxf4 40. Re2 Rd3+ 41. Ka2 Rh3 42. a5 Rxh2 43. Re4 Kf5 44. a6 Bb8 45. Re8 Ba7 46. Re7 Kf6 47. Rxa7 Re2 48. Nd6 c4 49. Rf7+ Kg5 50. a7 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1941.05.22"]
[Round "4"]
[White "Liebstein, Arturo"]
[Black "Isain, Pedros Santos"]
[Result "0-1"]
[ECO "E14"]
[PlyCount "114"]
[EventDate "1941.05.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. Nc3 Bb7 5. e3 Be7 6. Bd3 d5 7. cxd5 exd5 8. Bd2 0-0 9. Rc1 Nbd7 10. Ne2 Ne4 11. Ng3 f5 12. Bc3 Bd6 13. 0-0 Qe7 14. Re1 Rae8 15. Qa4 a6 16. Qb3 Kh8 17. Re2 Rf7 18. Nd2 Nf8 19. Ndf1 Ne6 20. f3 Nxg3 21. hxg3 Qg5 22. Kf2 Rfe7 23. Bd2 Qh5 24. Ree1 Nd8 25. Bb4 Nf7 26. Bxd6 Nxd6 27. Nd2 Qg5 28. f4 Qg6 29. Nf3 Ne4+ 30. Bxe4 fxe4 31. Ne5 Qf6 32. Rh1 c5 33. Qd1 Rxe5 34. dxe5 Rxe5 35. Rh4 d4 36. exd4 Re7 37. dxc5 e3+ 38. Kg1 Re6 39. Qe2 bxc5 40. Rxc5 h6 41. f5 Rd6 42. Rb4 Qe7 43. Rc2 Rd8 44. Rf4 Qe5 45. Kh2 Rd7 46. Rc3 Rd2 47. Qxe3 Rxg2+ 48. Kh3 Qd5 49. Rf2 Rg1 50. Rd3 Rh1+ 51. Kg4 Qc4+ 52. Rf4 Qf7 53. Rf2 Qh5+ 54. Kf4 Qg5+ 55. Ke5 Re1 56. Qxe1 Qe7+ 57. Kf4 Qxe1 0-1

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1941.05.21"]
[Round "3"]
[White "Canepa, Jose"]
[Black "Liebstein, Arturo"]
[Result "1-0"]
[ECO "C77"]
[PlyCount "81"]
[EventDate "1941.05.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[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. d3 Bc5 6. Bg5 h6 7. Bh4 b5 8. Bb3 Na5 9. Nxe5 Nxb3 10. axb3 d5 11. Nd2 Bb7 12. 0-0 g5 13. Bg3 h5 14. h4 dxe4 15. Nxe4 Nxe4 16. dxe4 Qe7 17. Nf3 g4 18. Ne5 Rg8 19. Qd2 f6 20. Nd3 0-0-0 21. Qf4 Bb6 22. Rfe1 Rd4 23. Qf5+ Kb8 24. e5 fxe5 25. Rxe5 Qd8 26. Rae1 Ka7 27. Qxh5 Qd6 28. Re6 Rxd3 29. Rxd6 Rxg3 30. Rxb6 Rxg2+ 31. Kf1 Kxb6 32. Re6+ Ka7 33. Re8 Rxe8 34. Qxe8 Bf3 35. Qe5 Kb7 36. h5 g3 37. fxg3 Rxc2 38. Qf4 Bg2+ 39. Kg1 Re2 40. h6 Be4 41. Qe5 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1941.05.20"]
[Round "2"]
[White "Liebstein, Arturo"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "D50"]
[PlyCount "53"]
[EventDate "1941.05.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c5 5. Bg5 cxd4 6. Nxd4 Be7 7. Bxf6 Bxf6 8. cxd5 exd5 9. e3 0-0 10. Bb5 a6 11. Ba4 Be6 12. 0-0 Nd7 13. f4 Nc5 14. Bc2 Re8 15. Qh5 h6 16. Rad1 b5 17. Nxe6 fxe6 18. Qg6 b4 19. Ne2 Nd7 20. Qh7+ Kf8 21. f5 Qb6 22. Nf4 Qxe3+ 23. Kh1 e5 24. Nxd5 Qg5 25. Bb3 Nc5 26. Bc4 Rad8 27. Nf4 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1941.05.19"]
[Round "1"]
[White "Rossetto, Hector"]
[Black "Liebstein, Arturo"]
[Result "0-1"]
[ECO "C90"]
[PlyCount "82"]
[EventDate "1941.05.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[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 Bg4 9. h3 Bh5 10. a4 0-0 11. Qe2 Rb8 12. axb5 axb5 13. Ra6 Qd7 14. d3 Kh8 15. Be3 h6 16. Nbd2 Nh7 17. g4 Bg6 18. Nf1 Nd8 19. Ng3 Ne6 20. Bd5 Bg5 21. Nf5 Bxf5 22. exf5 Nf4 23. Bxf4 Bxf4 24. Bc6 Qd8 25. Kg2 b4 26. c4 g6 27. fxg6 fxg6 28. d4 h5 29. Ra5 hxg4 30. hxg4 Ng5 31. dxe5 Nxf3 32. Qxf3 Bxe5 33. Qh3+ Kg7 34. Rh1 Qg5 35. Ra7 Rxf2+ 36. Kxf2 Qd2+ 37. Kf1 Qd1+ 38. Kf2 Bd4+ 39. Kg3 Be5+ 40. Kf2 Rf8+ 41. Bf3 Bd4+ 0-1

