[Event "ARG-ch Amateur U2000"]
[Site "La Falda"]
[Date "2015.12.06"]
[Round "4.3"]
[White "Leon, Leonardo"]
[Black "Del Giudice, Juan Eduardo"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1963"]
[BlackElo "1924"]
[PlyCount "89"]
[EventDate "2015.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 Nbd7 6. Be2 0-0 7. 0-0 b6 8. a4 a5 9. Nbd2 Bb7 10. Bh2 Ne4 11. Nxe4 Bxe4 12. Nd2 Bb7 13. Bf3 Qc8 14. c3 e5 15. Qe2 Re8 16. Rac1 h5 17. Rfd1 Bxf3 18. Nxf3 Qb7 19. dxe5 Nxe5 20. Bxe5 dxe5 21. Rd7 Rad8 22. Rcd1 Rxd7 23. Rxd7 Qc6 24. Qd1 Bf6 25. Qd5 Qxd5 26. Rxd5 Re6 27. e4 Kf8 28. Kf1 Ke7 29. Ke2 c6 30. Rd3 Rd6 31. Nd2 Rxd3 32. Kxd3 Kd7 33. b4 axb4 34. cxb4 b5 35. axb5 cxb5 36. Nb1 Be7 37. Kc3 Bh4 38. g3 Bd8 39. Kd3 Be7 40. Nc3 Bxb4 41. Nxb5 Bc5 42. Ke2 Bb4 43. Kf3 Be1 44. Ke2 Bb4 45. Kd3 1/2-1/2

[Event "ARG-ch Amateur U2000"]
[Site "La Falda"]
[Date "2015.12.06"]
[Round "3.4"]
[White "Romero, Fabian"]
[Black "Leon, Leonardo"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "1873"]
[BlackElo "1963"]
[PlyCount "45"]
[EventDate "2015.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. e4 Bg7 7. Be2 0-0 8. 0-0 Nxd4 9. Qxd4 d6 10. Qd1 Bd7 11. Qc2 a5 12. Rd1 Qc7 13. Bg5 Bc6 14. Rac1 Rfc8 15. Qd3 Qd8 16. Qg3 Nd7 17. Bg4 Rc7 18. Bh4 Qf8 19. Bxd7 Rxd7 20. b3 Ra7 21. Nd5 Bxd5 22. cxd5 Bh6 23. f4 0-1

[Event "ARG-ch Amateur U2000"]
[Site "La Falda"]
[Date "2015.12.05"]
[Round "2.6"]
[White "Leon, Leonardo"]
[Black "Grego, Maximiliano"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1963"]
[BlackElo "1815"]
[PlyCount "65"]
[EventDate "2015.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. Nd2 b6 7. Ngf3 Bd6 8. Ne5 Qc7 9. Nxc6 Qxc6 10. Nf3 0-0 11. 0-0 Bb7 12. Ne5 Qc7 13. Rc1 Nd7 14. Nxd7 Qxd7 15. Bxd6 Qxd6 16. f4 f5 17. Rf3 c4 18. Bb1 b5 19. Rh3 a5 20. Qh5 h6 21. g4 fxg4 22. Qxg4 Rf6 23. Rg3 Qe7 24. Kh1 Ra7 25. Rcg1 Bc6 26. Qe2 Qd6 27. Qc2 Rf5 28. Qg2 Rff7 29. Rg6 Kf8 30. f5 Bd7 31. Rxg7 Rxg7 32. Qxg7+ Ke8 33. Qg8+ 1-0

[Event "ARG-ch Amateur U2000"]
[Site "La Falda"]
[Date "2015.12.05"]
[Round "1.9"]
[White "Pavignano, Matias"]
[Black "Leon, Leonardo"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1748"]
[BlackElo "1963"]
[PlyCount "86"]
[EventDate "2015.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Nf3 d5 7. cxd5 Nxd5 8. Bd2 0-0 9. 0-0 e6 10. Rc1 b6 11. h4 h6 12. h5 g5 13. Nh2 Bb7 14. Nxd5 exd5 15. Bc3 d4 16. Bd2 Qd7 17. Qa4 Rad8 18. a3 Rfe8 19. Rfe1 Be5 20. b4 Bd6 21. bxc5 Bxc5 22. Bf3 Ne5 23. Qxd7 Nxf3+ 24. Nxf3 Rxd7 25. Bb4 Rde7 26. Kf1 Bxf3 27. exf3 Rxe1+ 28. Rxe1 Rxe1+ 29. Kxe1 Bxb4+ 30. axb4 Kf8 31. Kd2 Ke7 32. Kc2 Kd6 33. Kb3 Kd5 34. Ka4 a6 35. Kb3 f6 36. Ka4 Kc6 37. Kb3 Kb5 38. Ka3 a5 39. bxa5 bxa5 40. Kb3 a4+ 41. Ka3 Ka5 42. g4 Kb5 43. f4 gxf4 0-1

[Event "Buenos Aires U2200"]
[Site "Buenos Aires"]
[Date "2015.10.31"]
[Round "7.3"]
[White "Manrique, Leonardo"]
[Black "Leon, Leonardo"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1998"]
[BlackElo "1948"]
[PlyCount "121"]
[EventDate "2015.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. Nc3 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. g3 d5 7. Bg2 Bf5 8. 0-0 e5 9. Bg5 Be7 10. Bxf6 Bxf6 11. e4 dxe4 12. Nxe4 0-0 13. Nxf6+ Qxf6 14. Qf3 Rab8 15. Qc3 Qg6 16. Rfe1 Bxc2 17. Rac1 Bf5 18. Qxe5 Rb5 19. Qd4 Qg4 20. Qxa7 Rxb2 21. Rxc6 Qe2 22. Rxe2 Rb1+ 23. Bf1 Bh3 24. Re1 Rxe1 25. Qa6 Rb8 26. Rb6 Rd8 27. Qd3 Rxf1+ 28. Qxf1 Bxf1 29. Kxf1 Kf8 30. Ke2 Ra8 31. Rb2 Ra3 32. Kd1 Ke7 33. Rd2 Rc3 34. Rc2 Rf3 35. Kc1 Kd6 36. Kb2 h5 37. a4 g6 38. h4 f6 39. Kb1 g5 40. a5 Ra3 41. Ra2 Rb3+ 42. Kc1 Rc3+ 43. Kd2 Rf3 44. Ke2 Rb3 45. a6 Rb8 46. Ra5 gxh4 47. gxh4 Ra8 48. a7 Ke6 49. Kf3 Kf7 50. Rxh5 Kg6 51. Ra5 f5 52. Kf4 Kh5 53. Rxf5+ Kxh4 54. Rf7 Kh5 55. Kf5 Kh6 56. f4 Rc8 57. Rf6+ Kg7 58. Ra6 Rf8+ 59. Ke5 Re8+ 60. Kd6 Ra8 61. Kc7 1-0

[Event "Buenos Aires U2200"]
[Site "Buenos Aires"]
[Date "2015.10.29"]
[Round "6.2"]
[White "Leon, Leonardo"]
[Black "Rasgido, Alejandro"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1948"]
[BlackElo "2054"]
[PlyCount "43"]
[EventDate "2015.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e4 Qb6 4. Nc3 e6 5. exd5 cxd4 6. Nb5 Bb4+ 7. c3 dxc3 8. bxc3 Bc5 9. Nc7+ Kf8 10. Nxa8 Bxf2+ 11. Ke2 Qc5 12. dxe6 Qc4+ 13. Kf3 Qxc3+ 14. Kxf2 Qc5+ 15. Be3 Qf5+ 16. Nf3 Nc6 17. Qd6+ Nge7 18. Bd3 Qf6 19. Bd4 Qh6 20. Rac1 Bxe6 21. Rxc6 bxc6 22. Qd8# 1-0

[Event "Buenos Aires U2200"]
[Site "Buenos Aires"]
[Date "2015.10.27"]
[Round "5.3"]
[White "Herrera, Pablo"]
[Black "Leon, Leonardo"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2016"]
[BlackElo "1948"]
[PlyCount "144"]
[EventDate "2015.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. 0-0 g6 6. b3 Bg7 7. Bb2 0-0 8. Nc3 d6 9. e3 Nbd7 10. Re1 Re8 11. d4 cxd4 12. exd4 Rc8 13. d5 Nxd5 14. cxd5 Bxc3 15. Bxc3 Rxc3 16. Qd2 Rc5 17. b4 Rxd5 18. Nd4 Qa8 19. Bxd5 Bxd5 20. Nb5 Qc6 21. Nc7 Bh1 22. f4 Qxc7 23. Kxh1 e6 24. Rac1 Qb7+ 25. Kg1 Nf6 26. Qxd6 Qf3 27. Qc6 Qd3 28. Rcd1 Qa3 29. Qc4 a5 30. b5 Rf8 31. Rd3 Qb4 32. Qxb4 axb4 33. a3 bxa3 34. Rxa3 Rc8 35. Ra6 Nd5 36. Rd1 Rc2 37. f5 gxf5 38. Rxd5 exd5 39. Rxb6 Rb2 40. Rf6 Rxb5 41. Rxf5 Kg7 42. Kf2 Rb2+ 43. Ke3 d4+ 44. Kxd4 Rxh2 45. Ke4 Kg6 46. Rf4 Re2+ 47. Kf3 Re5 48. Ra4 Rf5+ 49. Kg2 h5 50. Ra6+ Kg5 51. Ra8 Kg4 52. Ra4+ Kg5 53. Ra8 Rf6 54. Ra5+ Kg6 55. Ra8 Rb6 56. Rg8+ Kf5 57. Rf8 Rf6 58. Rh8 Kg4 59. Ra8 Rb6 60. Ra4+ Kg5 61. Rc4 f5 62. Ra4 Rb2+ 63. Kh3 Re2 64. Ra8 Re6 65. Rg8+ Rg6 66. Rf8 Rg7 67. Ra8 Rb7 68. Rg8+ Kf6 69. Rh8 Rb3 70. Rf8+ Kg6 71. Kg2 Ra3 72. Rg8+ Kf6 1/2-1/2

[Event "Buenos Aires U2200"]
[Site "Buenos Aires"]
[Date "2015.10.22"]
[Round "2.6"]
[White "Leon, Leonardo"]
[Black "Senorano, Luciano"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1948"]
[BlackElo "1509"]
[PlyCount "83"]
[EventDate "2015.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 d5 4. Nc3 Bg7 5. e3 0-0 6. Be2 a6 7. Ne5 Nbd7 8. g4 Nxe5 9. dxe5 Nd7 10. Qxd5 Nxe5 11. Bxe5 Qxd5 12. Nxd5 Bxe5 13. Nxe7+ Kg7 14. 0-0-0 Be6 15. Nd5 f5 16. g5 c6 17. Nb6 Rad8 18. Rxd8 Rxd8 19. Bc4 Kf7 20. h4 Bc7 21. Bxe6+ Kxe6 22. Na4 b6 23. h5 f4 24. hxg6 hxg6 25. Rh7 Rd7 26. Rxd7 Kxd7 27. Kd2 Ke6 28. e4 Ke5 29. f3 Bd8 30. Kd3 a5 31. c4 Kd6 32. c5+ bxc5 33. Kc4 Bxg5 34. Nxc5 Bf6 35. b3 g5 36. Nb7+ Kc7 37. Nxa5 c5 38. Kd3 Kb6 39. e5 Be7 40. Nc4+ Kc6 41. Ke4 Kd7 42. a4 1-0

[Event "Buenos Aires U2200"]
[Site "Buenos Aires"]
[Date "2015.10.20"]
[Round "1.10"]
[White "Ardiles, Manuel"]
[Black "Leon, Leonardo"]
[Result "0-1"]
[ECO "A47"]
[BlackElo "1948"]
[PlyCount "110"]
[EventDate "2015.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. g3 b6 4. Bg2 Bb7 5. 0-0 cxd4 6. Qxd4 Nc6 7. Qa4 g6 8. Ne5 Qc8 9. Nc4 Nd4 10. Nc3 Bxg2 11. Kxg2 b5 12. Nd6+ exd6 13. Qxd4 Qc6+ 14. Kg1 Bg7 15. Bh6 Bxh6 16. Qxf6 0-0 17. Qh4 Bg7 18. Rad1 Bxc3 19. bxc3 Rfe8 20. Qf6 Re6 21. Qf3 Rae8 22. Qxc6 dxc6 23. e3 d5 24. Rd4 Re4 25. Rfd1 f5 26. Kg2 Kf7 27. Rxe4 Rxe4 28. Rd4 Ke6 29. Kf3 c5 30. Rxe4+ dxe4+ 31. Kf4 h6 32. h4 Kf6 33. g4 g5+ 34. hxg5+ hxg5+ 35. Kg3 Ke5 36. gxf5 Kxf5 37. Kh3 Kf6 38. Kg4 Kg6 39. Kh3 Kh5 40. Kg3 a6 41. Kh3 g4+ 42. Kg3 Kg5 43. Kg2 Kh4 44. Kh2 g3+ 45. fxg3+ Kg4 46. Kg2 c4 47. a3 a5 48. Kf2 Kh3 49. g4 Kxg4 50. Kg2 a4 51. Kg1 Kf3 52. Kf1 Kxe3 53. Ke1 Kf3 54. Kf1 e3 55. Ke1 e2 0-1

[Event "Villa Martelli Rubinstein op"]
[Site "Villa Martelli"]
[Date "2011.08.07"]
[Round "7"]
[White "Leon, Leonardo"]
[Black "Bernal, Gustavo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1903"]
[BlackElo "2094"]
[PlyCount "86"]
[EventDate "2011.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. Nf3 e6 5. Nbd2 Be7 6. c4 c6 7. Qb3 Qb6 8. c5 Qxb3 9. axb3 Nbd7 10. b4 Nh5 11. b5 Nxf4 12. exf4 0-0 13. Nb3 Be4 14. Kd2 Bxf3 15. gxf3 Bh4 16. Ke3 f6 17. Bh3 f5 18. Bf1 cxb5 19. Bxb5 Nf6 20. Ra2 a6 21. Rha1 Rab8 22. Bd3 Nh5 23. Rg1 Rfc8 24. Na5 Rc7 25. b4 Be7 26. Nb3 Kf7 27. Nd2 g6 28. Nb1 Bf8 29. Nc3 Bh6 30. Ne2 Kf6 31. h4 Re7 32. Rg5 Bxg5 33. fxg5+ Kg7 34. f4 h6 35. b5 axb5 36. Bxb5 hxg5 37. hxg5 b6 38. c6 Rc7 39. Ra6 Kf7 40. Nc3 Ng7 41. Na4 Ne8 42. Nxb6 Nd6 43. Ba4 Rxb6 0-1

[Event "Villa Martelli Rubinstein op"]
[Site "Villa Martelli"]
[Date "2011.08.06"]
[Round "6"]
[White "Perez, Mario Abel"]
[Black "Leon, Leonardo"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2090"]
[BlackElo "1903"]
[PlyCount "38"]
[EventDate "2011.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Bg5 d6 4. Nbd2 c6 5. c3 Qc7 6. e3 e5 7. Bd3 Be6 8. Bh4 h6 9. e4 Ne7 10. Bc4 Bxc4 11. Nxc4 exd4 12. Nxd4 b5 13. Ne6 fxe6 14. Nxd6+ Kf8 15. Qf3+ Nf5 16. 0-0-0 Be5 17. exf5 Bxd6 18. Rxd6 exf5 19. Rxg6 Qf7 1-0

[Event "Villa Martelli Rubinstein op"]
[Site "Villa Martelli"]
[Date "2011.08.05"]
[Round "5"]
[White "Leon, Leonardo"]
[Black "Radoszta, Armando Esteban"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1903"]
[BlackElo "2077"]
[PlyCount "61"]
[EventDate "2011.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Bf4 d6 4. e3 Nd7 5. h3 e5 6. Bh2 c6 7. c3 Qe7 8. Be2 Ngf6 9. 0-0 0-0 10. c4 a6 11. a4 Ne8 12. Nc3 Kh8 13. Re1 f5 14. Bf1 g5 15. Nd2 Ndf6 16. c5 Nd5 17. Nc4 Nxc3 18. bxc3 f4 19. exf4 gxf4 20. cxd6 Nxd6 21. Nxe5 Qg5 22. Nf3 Qf6 23. Bd3 Bd7 24. Qc2 Nf5 25. Re4 Bh6 26. Bxf4 Nxd4 27. Rxd4 Bxf4 28. Rxd7 Rf7 29. Rxf7 Qxf7 30. Qa2 Qd7 31. Qc4 1-0

[Event "Villa Martelli Rubinstein op"]
[Site "Villa Martelli"]
[Date "2011.08.04"]
[Round "4"]
[White "Leon, Leonardo"]
[Black "Pravettoni, Ezequiel"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1903"]
[BlackElo "1499"]
[PlyCount "75"]
[EventDate "2011.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d6 6. h3 Nbd7 7. 0-0 c5 8. c3 b6 9. Nbd2 Bb7 10. Qb1 e5 11. dxe5 dxe5 12. Bh2 Qe7 13. e4 Ne8 14. Bb5 Nd6 15. Bxd7 Qxd7 16. Bxe5 Bxe5 17. Nxe5 Qe6 18. Ng4 h5 19. Ne3 Nxe4 20. Nxe4 Bxe4 21. Qc1 Rad8 22. Rd1 Qf6 23. Rxd8 Rxd8 24. Qe1 Qg5 25. Rd1 Re8 26. Qf1 Bb7 27. Rd7 Bc8 28. Rd5 Qf4 29. Qd3 Bf5 30. Qd2 Be4 31. Rd8 Qe5 32. Rxe8+ Qxe8 33. Qd6 Qa4 34. Qb8+ Kg7 35. c4 Bc6 36. Qe5+ Kg8 37. Nd5 Bd7 38. Nf6+ 1-0

[Event "Villa Martelli Rubinstein op"]
[Site "Villa Martelli"]
[Date "2011.08.03"]
[Round "3"]
[White "Morales, Marcos"]
[Black "Leon, Leonardo"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1715"]
[BlackElo "1903"]
[PlyCount "95"]
[EventDate "2011.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 Bg4 7. Bg2 Nc6 8. 0-0 0-0-0 9. Be3 e5 10. dxe5 Nxe5 11. Qxd6 Nxf3+ 12. Bxf3 Bxd6 13. Bg2 Rhe8 14. Rfe1 Bf5 15. Na4 Bxc2 16. Nc5 Bxc5 17. Bxc5 Rxe1+ 18. Rxe1 Rd1 19. Rxd1 Bxd1 20. Be7 Bg4 21. Kf1 Be6 22. a3 c6 23. Ke1 Kd7 24. Bf8 g6 25. Bg7 Ne8 26. Be5 Nd6 27. Bf1 Bd5 28. Bd3 Ke6 29. f4 c5 30. Kd2 b5 31. Bc3 Be4 32. Be2 Kd5 33. g4 Bg2 34. Ke3 Ne4 35. Be1 c4 36. h4 Nc5 37. Bc3 Be4 38. h5 Ne6 39. hxg6 hxg6 40. Bd1 f5 41. gxf5 gxf5 42. Be2 Nd8 43. Bd1 Nc6 44. Bh5 Kc5 45. Be8 Bd3 46. Bxc6 Kxc6 47. Kd4 Kb6 48. b4 1/2-1/2

[Event "Villa Martelli Rubinstein op"]
[Site "Villa Martelli"]
[Date "2011.08.02"]
[Round "2"]
[White "Leon, Leonardo"]
[Black "Gallego, Gonzalo"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1903"]
[BlackElo "2179"]
[PlyCount "46"]
[EventDate "2011.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c3 b6 4. Bg5 Bb7 5. Nbd2 Be7 6. e3 d5 7. Bd3 Nbd7 8. Qe2 Ne4 9. Bxe7 Qxe7 10. Ba6 Bxa6 11. Qxa6 Nd6 12. c4 0-0 13. 0-0 dxc4 14. Nxc4 c5 15. Nxd6 Qxd6 16. Rfd1 cxd4 17. Rxd4 Qc7 18. Rad1 Nc5 19. Qc4 Rfc8 20. b4 Nb7 21. Qd3 Rd8 22. Rd7 Rxd7 23. Qxd7 Rd8 0-1

[Event "Villa Martelli Rubinstein op"]
[Site "Villa Martelli"]
[Date "2011.08.01"]
[Round "1"]
[White "Sanchez, Gabriel"]
[Black "Leon, Leonardo"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2170"]
[BlackElo "1903"]
[PlyCount "92"]
[EventDate "2011.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe5+ 4. Qe2 Qxe2+ 5. Ngxe2 Nf6 6. d4 Bf5 7. Bf4 c6 8. 0-0-0 e6 9. Ng3 Bg6 10. Be2 Nbd7 11. h4 h6 12. Bf3 Nb6 13. Nge4 Nxe4 14. Nxe4 0-0-0 15. g4 Be7 16. Bg3 Nd5 17. a3 Nf6 18. Nc5 Bd6 19. Be5 Bxe5 20. dxe5 Nd7 21. Nxd7 Rxd7 22. Bg2 h5 23. g5 Bf5 24. f3 Rhd8 25. Rxd7 Rxd7 26. Bh3 Bxh3 27. Rxh3 Rd4 28. Rg3 g6 29. Rh3 Rf4 30. Kd2 Rf5 31. Ke3 Rxe5+ 32. Kd4 Rd5+ 33. Kc3 Rf5 34. Kd3 Rf4 35. Ke3 e5 36. b3 Kd7 37. Rh2 Ke7 38. c3 a5 39. Kf2 a4 40. Kg3 axb3 41. Rb2 Rc4 42. Rxb3 b5 43. Kf2 Rxh4 44. Ke3 Rf4 45. Rb4 Rxb4 46. axb4 Ke6 0-1

[Event "Buenos Aires Bolivar op 4th"]
[Site "Buenos Aires"]
[Date "2011.06.23"]
[Round "9"]
[White "Merli, Mariano"]
[Black "Leon, Leonardo"]
[Result "0-1"]
[ECO "A41"]
[PlyCount "107"]
[EventDate "2011.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. dxe5 dxe5 4. Qb3 c6 5. Qg3 Nd7 6. e4 Ngf6 7. Nc3 Bb4 8. Nge2 Nxe4 9. Qxg7 Qf6 10. Qxf6 Ndxf6 11. f3 Nxc3 12. Nxc3 Rg8 13. Bd2 Be6 14. a3 Bc5 15. 0-0-0 0-0-0 16. Re1 Bd4 17. g4 Rge8 18. h3 Ng8 19. Kc2 Rd7 20. Bd3 Red8 21. Bxh7 Ne7 22. b3 a5 23. a4 Bc5 24. Ne4 Bb4 25. Bxb4 axb4 26. Rd1 Rd4 27. Rxd4 exd4 28. Nc5 b6 29. Nxe6 fxe6 30. Be4 Kd7 31. h4 Ke8 32. h5 Kf8 33. g5 Kf7 34. f4 c5 35. a5 bxa5 36. Ra1 d3+ 37. Kd2 Rd4 38. Bxd3 Nc6 39. Ke3 e5 40. Bg6+ Kg7 41. f5 Rg4 42. Be8 Nd4 43. Bd7 Rxg5 44. Rxa5 Nxb3 45. Ra7 Nd4 46. Be8+ Kf8 47. Bg6 Nxf5+ 48. Ke4 Ng3+ 49. Kd5 e4+ 50. Ke6 Nxh5 51. Bxe4 Rg1 52. Rf7+ Kg8 53. Bh7+ Kh8 54. Be4 0-1

[Event "Buenos Aires Bolivar op 4th"]
[Site "Buenos Aires"]
[Date "2011.06.22"]
[Round "8"]
[White "Leon, Leonardo"]
[Black "Lopez, Fernando1111"]
[Result "1/2-1/2"]
[ECO "A48"]
[BlackElo "1749"]
[PlyCount "77"]
[EventDate "2011.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. h3 0-0 6. Be2 c5 7. c3 b6 8. Nbd2 Bb7 9. Qb1 Nh5 10. Bh2 Nd7 11. 0-0 e5 12. dxe5 dxe5 13. e4 Qe7 14. Re1 Rfd8 15. a4 Nf4 16. Bf1 a6 17. Nc4 f6 18. Qc2 Ne6 19. Rad1 Bf8 20. Ne3 Nc7 21. Bc4+ Kh8 22. Nd5 Nxd5 23. Bxd5 Rab8 24. c4 Bh6 25. Rd3 Nf8 26. Red1 Bc8 27. Nd2 Ne6 28. Bxe6 Bxe6 29. Nf1 Rd4 30. Rxd4 cxd4 31. Rxd4 Rc8 32. Rd3 Rxc4 33. Rc3 Rxc3 34. Qxc3 Qc5 35. Qd3 Qc8 36. Qd6 b5 37. axb5 axb5 38. Bg3 Bf8 39. Qb6 1/2-1/2

[Event "Buenos Aires Bolivar op 4th"]
[Site "Buenos Aires"]
[Date "2011.06.21"]
[Round "7"]
[White "Lo Presti, Roberto"]
[Black "Leon, Leonardo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2099"]
[PlyCount "96"]
[EventDate "2011.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 c6 5. Bc4 Bf5 6. g4 Bg6 7. f4 e6 8. Be3 Ne7 9. Qe2 Nd7 10. 0-0-0 Nb6 11. Bd3 Bxd3 12. Rxd3 Nbd5 13. Nf3 Nxc3 14. Rxc3 Nd5 15. Rb3 Qc7 16. Ne5 0-0-0 17. c4 Nxe3 18. Qxe3 Bd6 19. Rf1 Bxe5 20. fxe5 Kb8 21. Rf4 Qe7 22. Qf2 Rd7 23. Rbf3 Rf8 24. a3 Qg5 25. h4 Qe7 26. g5 Rc7 27. Kb1 Qd7 28. h5 Rd8 29. Ka2 Qe7 30. Qg1 c5 31. dxc5 Rd2 32. g6 hxg6 33. hxg6 fxg6 34. Rf8+ Rc8 35. Rxc8+ Kxc8 36. Qxg6 Rd7 37. Rf4 Kc7 38. Qg1 Kc6 39. Qg2+ Kxc5 40. Qf2+ Kc6 41. Qxa7 Qc5 42. Qxc5+ Kxc5 43. b4+ Kc6 44. Kb3 Rd3+ 45. Ka4 Re3 46. Rg4 Rxe5 47. Rxg7 Re4 48. b5+ Kc5 1-0

[Event "Buenos Aires Bolivar op 4th"]
[Site "Buenos Aires"]
[Date "2011.06.20"]
[Round "6"]
[White "Leon, Leonardo"]
[Black "Cervetto, Esteban"]
[Result "1/2-1/2"]
[ECO "A48"]
[BlackElo "2134"]
[PlyCount "63"]
[EventDate "2011.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 c5 4. d5 b5 5. Nxb5 Qa5+ 6. Nc3 Ne4 7. Bd2 Nxd2 8. Qxd2 Bg7 9. g3 d6 10. Nd1 Qa4 11. c3 Nd7 12. Bg2 Nb6 13. b3 Qa3 14. Rc1 a5 15. Ne3 c4 16. 0-0 Ba6 17. Nd4 Qc5 18. Nc6 Bb7 19. bxc4 Kd7 20. Qd3 Ba6 21. Qe4 Rhe8 22. Qf4 Bf6 23. Rb1 Kc7 24. Rfc1 Nxc4 25. Ng4 Nb6 26. Rxb6 Qxb6 27. Nxf6 exf6 28. Qxf6 Qb8 29. Qxf7+ Kb6 30. Qf4 Rxe2 31. Qd4+ Kc7 32. Qg7+ 1/2-1/2

[Event "Buenos Aires Bolivar op 4th"]
[Site "Buenos Aires"]
[Date "2011.06.17"]
[Round "5"]
[White "Maldonado, Oscar Lorenzo"]
[Black "Leon, Leonardo"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1706"]
[PlyCount "85"]
[EventDate "2011.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe5+ 4. Qe2 Qxe2+ 5. Bxe2 c6 6. Nf3 Bg4 7. 0-0 Nf6 8. h3 Bh5 9. d3 e6 10. Bg5 Nbd7 11. Rfe1 Be7 12. a3 h6 13. Bh4 Nd5 14. Nxd5 cxd5 15. Bxe7 Kxe7 16. Nd4 Bg6 17. Bf3 Nf6 18. Nb5 Kd7 19. Rac1 Rhc8 20. g4 Rc5 21. Nd4 Rac8 22. Bg2 Bxd3 23. c3 a6 24. f4 Kd6 25. Re3 Be4 26. Rce1 Re8 27. g5 Bxg2 28. gxf6 Be4 29. fxg7 Rg8 30. Rg3 Bg6 31. h4 Be4 32. Kf2 Rc7 33. Reg1 Re7 34. Nf3 Bxf3 35. Kxf3 Rc7 36. Ke3 Rc4 37. R1g2 Ke7 38. Rf3 Re4+ 39. Kf2 Kf6 40. h5 Rxg7 41. Rxg7 Kxg7 42. f5 Kf6 43. fxe6+ 0-1

[Event "Buenos Aires Bolivar op 4th"]
[Site "Buenos Aires"]
[Date "2011.06.16"]
[Round "4"]
[White "Leon, Leonardo"]
[Black "Cardozo, Diego"]
[Result "1/2-1/2"]
[ECO "D02"]
[BlackElo "1768"]
[PlyCount "99"]
[EventDate "2011.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nf3 c5 5. c3 Nc6 6. Nbd2 Be7 7. Bd3 Nh5 8. Bg3 Nxg3 9. hxg3 h6 10. Ne5 Qc7 11. Bb5 Bd7 12. Bxc6 Bxc6 13. a4 Bf6 14. Ndf3 Qb6 15. Qc2 c4 16. g4 g5 17. g3 Qb3 18. Qxb3 cxb3 19. Nd3 b5 20. a5 Be7 21. Nb4 Bxb4 22. cxb4 Rc8 23. Rc1 Ke7 24. Kd2 Bb7 25. Rc5 Rxc5 26. bxc5 f6 27. a6 Ba8 28. Kc3 e5 29. Kxb3 Bc6 30. Kc3 e4 31. Nd2 Bd7 32. Kb4 Bxg4 33. Kxb5 Be2+ 34. Kb4 h5 35. Re1 Bd3 36. Rg1 h4 37. gxh4 Rxh4 38. Nf1 Bxf1 39. Rxf1 g4 40. Kc3 f5 41. Kd2 Rh2 42. b4 Kd7 43. b5 Kc7 44. Ke2 Rh6 45. Ra1 Rh2 46. Kf1 Kb8 47. b6 axb6 48. cxb6 Rh6 49. Kg2 Rxb6 50. Kg3 1/2-1/2

[Event "Buenos Aires Bolivar op 4th"]
[Site "Buenos Aires"]
[Date "2011.06.15"]
[Round "3"]
[White "Gaitan, Juan Manuel"]
[Black "Leon, Leonardo"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2190"]
[PlyCount "64"]
[EventDate "2011.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. Nf3 e4 4. Nfd2 f5 5. Nc3 c6 6. d5 Nf6 7. g3 Be7 8. Bg2 0-0 9. 0-0 Nbd7 10. f3 exf3 11. exf3 Ne5 12. f4 Qb6+ 13. Kh1 Neg4 14. Qf3 Bd7 15. h3 Nh6 16. b3 Kh8 17. Bb2 Nfg8 18. Qd3 Nf7 19. Nf3 c5 20. Rae1 Rae8 21. h4 Nf6 22. Ng5 Nxg5 23. fxg5 Ng4 24. Ne2 Qd8 25. Bh3 Bxg5 26. hxg5 Qxg5 27. Bc1 Qh5 28. Kg2 Ne5 29. Qc3 g5 30. Nf4 Qh6 31. Ne6 Bxe6 32. dxe6 Qf6 1-0

[Event "Buenos Aires Bolivar op 4th"]
[Site "Buenos Aires"]
[Date "2011.06.14"]
[Round "2"]
[White "Leon, Leonardo"]
[Black "Perez Aguado, Sergio Maximiliano"]
[Result "1-0"]
[ECO "D00"]
[BlackElo "1691"]
[PlyCount "80"]
[EventDate "2011.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nd2 c5 5. c3 Bd6 6. Bxd6 Qxd6 7. f4 Nbd7 8. Bd3 c4 9. Bc2 h5 10. Qf3 Rb8 11. Nh3 Ng4 12. e4 b5 13. 0-0 Bb7 14. exd5 Bxd5 15. Be4 Ndf6 16. Bxd5 Qxd5 17. Ng5 Qxf3 18. Rxf3 Nd5 19. Re1 Kd7 20. Nxf7 Rhf8 21. Ne5+ Nxe5 22. fxe5 Rxf3 23. Nxf3 Rf8 24. Re4 Nf4 25. Ne1 g5 26. g3 Nh3+ 27. Kg2 Rf2+ 28. Kxh3 Rxb2 29. g4 h4 30. Nf3 a5 31. Nxg5 b4 32. Nxe6 Kxe6 33. d5+ Ke7 34. Rxc4 Rxa2 35. cxb4 a4 36. Rc7+ Kd8 37. Ra7 a3 38. g5 Ra1 39. Kxh4 a2 40. g6 Rg1 1-0

[Event "Buenos Aires Bolivar op 4th"]
[Site "Buenos Aires"]
[Date "2011.06.13"]
[Round "1"]
[White "Fusco, Leonardo"]
[Black "Leon, Leonardo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2379"]
[PlyCount "88"]
[EventDate "2011.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 c6 5. Bc4 Bf5 6. Nge2 Nf6 7. 0-0 e6 8. Ng3 Bg6 9. f4 b5 10. Bb3 Be7 11. f5 exf5 12. Nxf5 Bxf5 13. Rxf5 0-0 14. Qf3 Na6 15. Be3 Rc8 16. Rf1 Nb8 17. g4 b4 18. Ne4 Nd5 19. Rxf7 Nd7 20. Ng5 Bxg5 21. Rxf8+ Qxf8 22. Qxf8+ Rxf8 23. Bxg5 Rxf1+ 24. Kxf1 N7b6 25. Ke2 h6 26. Bd8 Kf8 27. Kf3 Ke8 28. Bxb6 Nxb6 29. Ke4 a5 30. a3 Ke7 31. Kf5 a4 32. Be6 g6+ 33. Ke5 bxa3 34. bxa3 Na8 35. h4 Nc7 36. Bc4 Ne8 37. g5 hxg5 38. hxg5 Nd6 39. Bd3 Nf7+ 40. Kf4 Nh8 41. c3 Kd6 42. Bc2 c5 43. dxc5+ Kxc5 44. Bxa4 Kc4 1-0

