[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "13"]
[White "Bartis, Gustavo Fernando"]
[Black "Leiva, JC."]
[Result "1/2-1/2"]
[ECO "B80"]
[PlyCount "80"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 a6 7. Bg2 Qc7 8. Be3 d6 9. 0-0 Bd7 10. a4 b6 11. Nce2 Ng4 12. Bc1 Be7 13. Nxc6 Bxc6 14. Nd4 Ne5 15. f4 Nd7 16. Nxc6 Qxc6 17. Be3 0-0 18. c3 Rac8 19. Qd2 Rfd8 20. Rfd1 b5 21. axb5 axb5 22. Ra7 Ra8 23. Rda1 Rxa7 24. Rxa7 Ra8 25. Qd4 h6 26. Rxa8+ Qxa8 27. Qa7 Qc6 28. f5 Bd8 29. fxe6 fxe6 30. Qa2 Kf7 31. Qa7 Kg6 32. Qd4 Bb6 33. Qd2 Bxe3+ 34. Qxe3 Ne5 35. Bf1 Nc4 36. Qe2 Qc5+ 37. Kh1 Kf6 38. b4 Qc6 39. Qf2+ Ke7 40. Qd4 e5 1/2-1/2

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "3"]
[White "Burgalat, Francisco"]
[Black "Leiva, JC."]
[Result "0-1"]
[ECO "B93"]
[PlyCount "78"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Bd3 g6 8. 0-0 Bg7 9. Kh1 0-0 10. Nf3 Be6 11. Be3 Nbd7 12. Nd4 Bc4 13. Qe2 b5 14. a3 Rac8 15. Rad1 Qb7 16. Bc1 Bxd3 17. cxd3 b4 18. axb4 Qxb4 19. Nc2 Qb3 20. Ne3 Nb6 21. d4 Nc4 22. e5 Nd7 23. Ncd5 Rfe8 24. Rd3 Qb7 25. Qf3 Kh8 26. Nxc4 Rxc4 27. f5 dxe5 28. fxg6 fxg6 29. Rb3 Qc6 30. Bg5 Rf8 31. Qe2 Rxf1+ 32. Qxf1 Qxd5 33. Bxe7 Rxd4 34. Re3 Rd1 35. Re1 Rxe1 36. Qxe1 h6 37. h3 e4 38. Qg3 Kh7 39. Bd6 Be5 0-1

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "16"]
[White "Casas, Fernando"]
[Black "Leiva, JC."]
[Result "0-1"]
[ECO "E90"]
[PlyCount "118"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 Nc6 7. Be3 e5 8. d5 Nb8 9. g3 Ne8 10. Bg2 f5 11. Qd2 a5 12. 0-0 Na6 13. Kh2 Nc5 14. b3 b6 15. Rac1 Kh8 16. Ne1 Nf6 17. exf5 gxf5 18. f4 e4 19. Bd4 Bd7 20. Nd1 Qe8 21. Ne3 Qg6 22. Rg1 Rg8 23. Bf1 Nh5 24. Be2 Raf8 25. Bxh5 Qxh5 26. Qd1 Qxd1 27. Rxd1 Bxd4 28. Rxd4 h5 29. Rd2 Kg7 30. Kg2 Kf6 31. Kf1 Rg7 32. Rdg2 Rfg8 33. Ke2 Bc8 34. N3c2 Bd7 35. Nd4 Bc8 36. a3 Ba6 37. Ke3 Nxb3 38. Nxb3 Bxc4 39. Nd2 Bxd5 40. Nf1 Bb7 41. Rb2 Ba6 42. g4 hxg4 43. Ng3 Ke6 44. h4 b5 45. Ng2 c5 46. h5 d5 47. Nh4 d4+ 48. Kd2 e3+ 49. Kd1 Rf7 50. Ng6 c4 51. Rh1 b4 52. axb4 c3 53. Ra2 Bc4 54. Rxa5 d3 55. Re5+ Kd6 56. Rxe3 Ra8 57. Ke1 Ra1+ 58. Kf2 Rxh1 59. Nxh1 c2 0-1

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "5"]
[White "Corte, Cesar Juan"]
[Black "Leiva, JC."]
[Result "1-0"]
[ECO "B93"]
[PlyCount "63"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Bd3 g6 8. 0-0 Bg7 9. Kh1 0-0 10. Qe1 Nbd7 11. Be3 b5 12. a3 Bb7 13. Qh4 Rfe8 14. Rae1 Nf8 15. f5 N6d7 16. Nde2 Nb6 17. Bh6 Bxh6 18. Qxh6 Nbd7 19. Nf4 Qc5 20. Ncd5 Rac8 21. c3 Nf6 22. b4 Qa7 23. Rf3 Ba8 24. Rg3 Qf2 25. Rf1 Qd2 26. fxg6 fxg6 27. Qh3 Kg7 28. Nxf6 exf6 29. Nh5+ Kh8 30. Nxf6 Re6 31. Rxg6 Rxf6 32. Rgxf6 1-0

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "11"]
[White "Garcia Vera, Romeo"]
[Black "Leiva, JC."]
[Result "1-0"]
[ECO "D70"]
[PlyCount "83"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. f3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. Nc3 Bg7 7. Be3 0-0 8. f4 c6 9. Qd2 Be6 10. b3 a5 11. Nf3 a4 12. Rb1 axb3 13. axb3 Qd6 14. Ng5 Bc8 15. Bc4 h6 16. Nf3 Qb4 17. Ne2 Qxd2+ 18. Nxd2 Bg4 19. Ng3 Na6 20. f5 gxf5 21. h3 f4 22. Bxf4 Bd7 23. Nf3 Nb4 24. 0-0 Nc2 25. Nh5 Nxc4 26. bxc4 Nxd4 27. Nxg7 Ne2+ 28. Kh2 Nxf4 29. Ne5 Bc8 30. Nf5 Ng6 31. Nxg6 fxg6 32. Nxe7+ Kg7 33. Rxf8 Kxf8 34. Nxc8 Rxc8 35. Rxb7 Re8 36. Rc7 Re6 37. Kg3 Ke8 38. Kf3 Kd8 39. Rh7 h5 40. h4 Rf6+ 41. Ke3 c5 42. Rg7 1-0

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "17"]
[White "Leiva, JC."]
[Black "Benko, Francisco"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "160"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 g6 5. c4 Nb6 6. Be3 Bg7 7. Nc3 0-0 8. h3 c6 9. Bd3 Na6 10. 0-0 Be6 11. Qb3 c5 12. d5 Bd7 13. Rad1 Qb8 14. Rfe1 Re8 15. Rd2 Nc8 16. Rde2 b6 17. a3 Qb7 18. Bg5 Kf8 19. Qc2 Qc7 20. Qd2 f6 21. Bh6 Qd8 22. Re4 Nd6 23. Rh4 Nf7 24. Bxg7+ Kxg7 25. Rhe4 Bf5 26. R4e3 Bxd3 27. Qxd3 Nd6 28. Nh4 Qd7 29. f4 Nc7 30. Rg3 f5 31. Rge3 a6 32. Qe2 Kf8 33. Nf3 Nf7 34. Ne5 Nxe5 35. fxe5 Kg8 36. Qf2 Rf8 37. Rf3 Rad8 38. Qg3 e6 39. d6 Ne8 40. Qg5 Ng7 41. Rd1 Rf7 42. Qe3 Qc6 43. h4 Rb7 44. Ne2 Nh5 45. Rc1 Rf8 46. Nf4 Nxf4 47. Qxf4 Rg7 48. b4 Kh8 49. bxc5 bxc5 50. Rb3 g5 51. hxg5 Rfg8 52. Rg3 Qb7 53. Qe3 Qb2 54. Qc3 Qe2 55. Re1 Qa2 56. Rd1 f4 57. Rg4 Qe2 58. Qf3 Qxe5 59. Qxf4 Qxf4 60. Rxf4 Rxg5 61. Rd2 Rd8 62. Re4 e5 63. Rd5 Kg7 64. Rdxe5 Rxe5 65. Rxe5 Rxd6 66. Rxc5 Rf6 67. Ra5 Rc6 68. Kf2 Kf7 69. Ke3 Rxc4 70. Rxa6 Rc3+ 71. Kf4 Kg7 72. g4 Rc4+ 73. Kg5 h6+ 74. Kh4 Rc3 75. a4 Ra3 76. Ra7+ Kg6 77. a5 Kf6 78. Ra8 Kg6 79. a6 Kf6 80. a7 Kg7 1/2-1/2

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "15"]
[White "Leiva, JC."]
[Black "Foguelman, Alberto"]
[Result "1-0"]
[ECO "C19"]
[PlyCount "75"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[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. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Nbc6 8. Bd3 Qa5 9. Bd2 Qa4 10. dxc5 Qa5 11. 0-0 Qxc5 12. Qe2 Bd7 13. c4 dxc4 14. Bxc4 Ng6 15. Be3 Qa5 16. Bd2 Qc7 17. Rfe1 Rc8 18. Bd3 Nce7 19. Nd4 a6 20. g3 Nc6 21. Nf3 Na5 22. h4 Bc6 23. Nd4 Bd5 24. h5 Ne7 25. Kh2 Nac6 26. Nb3 Bxb3 27. cxb3 Nd4 28. Qg4 Nxb3 29. Qa4+ Qd7 30. Qxb3 Rd8 31. Re3 Nf5 32. Bxf5 Qxd2 33. Ra2 Qc1 34. Be4 0-0 35. Qc2 Qxc2 36. Rxc2 b5 37. Bb7 a5 38. Rb3 1-0

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "4"]
[White "Leiva, JC."]
[Black "Garibaldi, Oscar"]
[Result "1/2-1/2"]
[ECO "B40"]
[PlyCount "90"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 e6 4. Nc3 Ne7 5. d4 cxd4 6. Nxd4 d5 7. Nb3 Nbc6 8. Be3 dxe4 9. Qxd8+ Nxd8 10. Nxe4 Nf5 11. Bb6 Bb4+ 12. Ned2 Bd7 13. Be2 Bc6 14. 0-0 0-0 15. a3 Be7 16. Na5 Bf6 17. Rab1 Bd4 18. c5 Rc8 19. Rfc1 Bf6 20. Kf1 Bg5 21. Rd1 Ne7 22. Nac4 Nd5 23. Ba5 Be7 24. Nb6 Nxb6 25. Bxb6 Bd5 26. b4 Nc6 27. Bf3 Bd8 28. Bxd5 exd5 29. Nb3 Bxb6 30. cxb6 Rfd8 31. Nc5 Rb8 32. Rbc1 Ne5 33. Rd4 Kf8 34. Rcd1 Nc4 35. Rxd5 Rxd5 36. Rxd5 Nxb6 37. Nd7+ Nxd7 38. Rxd7 Ke8 39. Rc7 b5 40. Ra7 Rb6 41. f3 Re6 42. Kf2 Kf8 43. h4 h5 44. Kg3 g6 45. Kf4 Kg7 1/2-1/2

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "12"]
[White "Leiva, JC."]
[Black "Huguet, Horacio"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "42"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. e5 Qa5+ 6. Nc3 Qxe5+ 7. Be2 a6 8. 0-0 Nc6 9. Nb3 Qc7 10. f4 d5 11. Kh1 b5 12. Bf3 Bd6 13. Qd3 0-0 14. a3 Rb8 15. Ne2 b4 16. g4 e5 17. Bxd5 Nxd5 18. Qxd5 Bxg4 19. fxe5 Bxe5 20. Ned4 Nxd4 21. Nxd4 Bc8 0-1

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "10"]
[White "Leiva, JC."]
[Black "Incutto, Carlos"]
[Result "0-1"]
[ECO "D15"]
[PlyCount "64"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. e3 b5 6. a4 b4 7. Na2 e6 8. Bxc4 Bb7 9. 0-0 Be7 10. Qe2 c5 11. Bb5+ Nbd7 12. dxc5 Bxc5 13. b3 a6 14. Bd3 0-0 15. Bb2 Qb6 16. Bd4 Bxf3 17. gxf3 Bxd4 18. exd4 Nd5 19. Qd2 Qd6 20. a5 f5 21. Rfc1 Rf6 22. Qc2 Rg6+ 23. Kf1 Qxh2 24. Ke2 Nf4+ 25. Ke3 Nf6 26. Nxb4 N6d5+ 27. Nxd5 exd5 28. Rf1 Qh6 29. Bxf5 Re8+ 30. Be4 dxe4 31. fxe4 Rc6 32. Qb2 Nd5+ 0-1

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "6"]
[White "Leiva, JC."]
[Black "Juarez, CF."]
[Result "0-1"]
[ECO "B45"]
[PlyCount "84"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c3 Ne3 11. Qd3 Nxf1 12. Qxf1 Ba6 13. Qf3 Rb8 14. b3 Qa5 15. Bb2 Qb6 16. Bc1 Be7 17. Be3 Qc7 18. Qf2 Qa5 19. Qc2 f5 20. b4 Qd5 21. Nc5 Bh4+ 22. Bf2 Qxg2 23. 0-0-0 Bxf2 24. Nxa6 Be3+ 25. Kb2 Qxc2+ 26. Kxc2 Rb6 27. Rd3 Rxa6 28. Rxe3 Rxa2+ 29. Kb3 Rf2 30. Ra1 Rxf4 31. Rxa7 Ke7 32. Rd3 Rd8 33. c4 Re4 34. b5 cxb5 35. cxb5 Rxe5 36. Ka4 Re1 37. b6 Rb1 38. Ka5 f4 39. Ka6 e5 40. Kb7 g5 41. Rd5 Ke6 42. Rc5 f3 0-1

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "8"]
[White "Leiva, JC."]
[Black "Luckis, Marcos"]
[Result "1/2-1/2"]
[ECO "B17"]
[PlyCount "71"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 Bg4 9. c3 e6 10. h3 Bh5 11. Be2 Bd6 12. Ne5 Bxe2 13. Qxe2 Qc7 14. 0-0 0-0 15. Re1 c5 16. dxc5 Qxc5 17. Bg5 Ne8 18. Bh4 Qc7 19. Rad1 Rc8 20. Rd3 f6 21. Ng4 e5 22. Red1 Rf7 23. Ne3 Bf8 24. Qg4 Qc6 25. f3 Bc5 26. Bf2 Bxe3 27. Bxe3 f5 28. Qb4 b6 29. Qb3 Qc4 30. Qxc4 Rxc4 31. b3 Rc8 32. c4 h6 33. Rd5 Re7 34. Kf2 Kf7 35. Bc1 Nf6 36. Rd8 1/2-1/2

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "2"]
[White "Leiva, JC."]
[Black "Rubinstein, Patt"]
[Result "1/2-1/2"]
[ECO "A51"]
[PlyCount "79"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nf3 Bb4+ 5. Bd2 Nxd2 6. Nbxd2 Nc6 7. a3 Bxd2+ 8. Qxd2 Qe7 9. e3 0-0 10. Qd5 Re8 11. Be2 a5 12. b3 Nxe5 13. Nxe5 Qxe5 14. Qxe5 Rxe5 15. Kd2 d6 16. f4 Re7 17. g4 Bd7 18. Bf3 Ra6 19. Rhe1 Bc6 20. Bxc6 Rxc6 21. Kd3 Kf8 22. e4 Ke8 23. b4 Ra6 24. Kd4 f6 25. h4 Kd7 26. b5 Ra8 27. c5 g5 28. cxd6 cxd6 29. hxg5 fxg5 30. f5 Re5 31. a4 Rae8 32. Ra3 d5 33. Rae3 Kd6 34. exd5 Rxe3 35. Rxe3 Rxe3 36. Kxe3 Kxd5 37. b6 Ke5 38. Kf2 Kf6 39. Kg2 Ke5 40. Kf2 1/2-1/2

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "14"]
[White "Panno, Oscar"]
[Black "Leiva, JC."]
[Result "1-0"]
[ECO "D45"]
[PlyCount "111"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Bd6 6. b3 0-0 7. Be2 Nbd7 8. 0-0 Qe7 9. Qc2 dxc4 10. bxc4 e5 11. Bb2 Re8 12. Rae1 a6 13. a4 Bb4 14. Qb3 a5 15. h3 e4 16. Nd2 Nf8 17. f4 h5 18. Qc2 h4 19. Rb1 Bf5 20. c5 Qd7 21. Nc4 Rab8 22. Kh2 Bg6 23. Ne5 Qf5 24. Bc1 Bxc3 25. Qxc3 Bh5 26. Bc4 Ne6 27. Qe1 g5 28. g4 hxg3+ 29. Qxg3 Nh7 30. fxg5 Qxg5 31. Qxg5+ Nexg5 32. Rf5 Kg7 33. h4 Bg6 34. Rxg5 Nxg5 35. hxg5 Rh8+ 36. Kg2 Rh5 37. Nxg6 Kxg6 38. Kf2 Rh1 39. Ke2 Rbh8 40. Kd2 R8h2+ 41. Kc3 Rg1 42. d5 Rhh1 43. Kb2 Rh2+ 44. Ka3 Rhh1 45. d6 Rxc1 46. d7 Rcd1 47. d8Q Rxd8 48. Rxh1 Kxg5 49. Rg1+ Kh6 50. Rf1 f5 51. Rxf5 Rd1 52. Rf4 Ra1+ 53. Kb3 Rb1+ 54. Kc2 Rb4 55. Bb3 Kg5 56. Kc3 1-0

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "7"]
[White "Piro, V."]
[Black "Leiva, JC."]
[Result "1-0"]
[ECO "B26"]
[PlyCount "77"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 d6 6. d3 e6 7. Be3 Nge7 8. d4 cxd4 9. Nxd4 a6 10. 0-0 0-0 11. Qd2 Ne5 12. Qe2 Qc7 13. Rad1 Nc4 14. Bc1 b5 15. b3 Nb6 16. Qd2 b4 17. Nce2 Qc5 18. Qg5 Qc7 19. Qd2 Qc5 20. Qg5 Qc7 21. a3 e5 22. Nf3 Bb7 23. Ne1 bxa3 24. Bxa3 Rfd8 25. c4 a5 26. Nc3 Ba6 27. Nc2 a4 28. Nb4 axb3 29. Nxa6 Rxa6 30. Nb5 Qxc4 31. Qxe7 Rd7 32. Qe8+ Bf8 33. Rxd6 Ra8 34. Qxe5 Bxd6 35. Nxd6 Qc7 36. Bb2 f6 37. Qe6+ Kf8 38. Qxf6+ Rf7 39. Nxf7 1-0

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "1"]
[White "Reinhardt, Bahamonte"]
[Black "Leiva, JC."]
[Result "1-0"]
[ECO "B93"]
[PlyCount "72"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Bd3 g6 8. Be3 Bg7 9. h3 b5 10. Qf3 Bb7 11. 0-0 Nbd7 12. Rae1 0-0 13. g4 Nb6 14. Bf2 Nc4 15. Re2 Nxb2 16. Nd1 Nxd3 17. cxd3 Rac8 18. Be3 Nd7 19. Rg2 Nc5 20. Nf2 Qa5 21. Qg3 e6 22. f5 e5 23. Nf3 Qd8 24. g5 gxf5 25. exf5 e4 26. dxe4 Nxe4 27. Nxe4 Bxe4 28. f6 Bh8 29. Rd2 d5 30. Ne5 Qd6 31. Qf4 Qa3 32. Ng4 Rfe8 33. Bd4 Rc1 34. Nh6+ Kf8 35. Rxc1 Qxc1+ 36. Kf2 Qc8 1-0

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1952.??.??"]
[Round "9"]
[White "Sanchez, JC."]
[Black "Leiva, JC."]
[Result "1/2-1/2"]
[ECO "A82"]
[PlyCount "41"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e6 6. Bd3 b6 7. Qe2 Bb4 8. 0-0 Bxc3 9. bxc3 0-0 10. Bg5 Bb7 11. Qf2 Qe8 12. Qh4 h6 13. Bxh6 Qh5 14. Bg5 Qxh4 15. Nxh4 Be4 16. Ng6 Bxg6 17. Bxg6 Nc6 18. Rae1 Ne7 19. Bd3 Ned5 20. Bd2 Nh7 21. h3 1/2-1/2

