[Event "MEX-ch U20"]
[Site "Mexico City"]
[Date "2001.??.??"]
[Round "5"]
[White "Pierdant Gonzalez, Guillermo"]
[Black "Garcia, Alberto"]
[Result "1-0"]
[ECO "B78"]
[PlyCount "111"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Bc4 d6 9. Qd2 Bd7 10. 0-0-0 Nxd4 11. Bxd4 Qc7 12. Bb3 b5 13. Bxf6 exf6 14. Qxd6 Qxd6 15. Rxd6 Bc8 16. Re1 Bh6+ 17. Kb1 Bf4 18. Rdd1 a6 19. Nd5 Bxh2 20. Nxf6+ Kg7 21. Nxh7 Rh8 22. Ng5 f6 23. Ne6+ Bxe6 24. Bxe6 Rhd8 25. Rd3 Bc7 26. Red1 Rxd3 27. Rxd3 Rd8 28. Rxd8 Bxd8 29. b4 Kf8 30. Bc8 a5 31. a3 Ke7 32. Ba6 axb4 33. axb4 Kd6 34. Bxb5 Ke5 35. Kb2 f5 36. exf5 gxf5 37. g4 Kf4 38. Bd7 fxg4 39. fxg4 Ke4 40. Kb3 Kd5 41. Be8 Bg5 42. c4+ Kd6 43. Ka4 Kc7 44. Kb5 Be3 45. c5 Bd2 46. Kc4 Be3 47. Kd5 Bd2 48. b5 Be3 49. Bg6 Kb7 50. Be4 Bf4 51. Ke6+ Kc7 52. b6+ Kb8 53. c6 Be3 54. g5 Bxb6 55. g6 Bd4 56. Kf7 1-0

[Event "MEX-ch U20"]
[Site "Mexico City"]
[Date "2001.??.??"]
[Round "6"]
[White "Villegas Corona, Rafael"]
[Black "Pierdant Gonzalez, Guillermo"]
[Result "1-0"]
[ECO "B89"]
[PlyCount "41"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Bb3 Be7 8. Be3 0-0 9. Qe2 a6 10. 0-0-0 Qc7 11. Rhg1 b5 12. g4 b4 13. Nxc6 Qxc6 14. Nd5 Qb7 15. Nxf6+ Bxf6 16. g5 Be7 17. Bd4 Bd7 18. Bf6 a5 19. Qh5 Rfe8 20. Rg4 g6 21. Qxh7+ 1-0

[Event "MEX-ch U18"]
[Site "Mexico City"]
[Date "1999.??.??"]
[Round "3"]
[White "Ancheyta Tejas, Victor"]
[Black "Pierdant Gonzalez, Guillermo"]
[Result "1-0"]
[ECO "B67"]
[PlyCount "55"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 Qc7 10. Be2 b5 11. Bxf6 gxf6 12. f5 h5 13. fxe6 Bh6 14. exd7+ Qxd7 15. Qxh6 Rxh6 16. Nf5 Rg6 17. Bxh5 Rxg2 18. Nd5 Qd8 19. Nde3 Rf2 20. Rxd6 Qa5 21. Rg1 Kf8 22. Rxf6 Ne5 23. Rh6 Ng6 24. Kb1 Rxh2 25. Rh7 Qd2 26. Rd1 Qf2 27. Rd7 Rh4 28. Rd1 1-0

[Event "MEX-ch U18"]
[Site "Mexico City"]
[Date "1999.??.??"]
[Round "1"]
[White "Cortes Medina, Gustavo"]
[Black "Pierdant Gonzalez, Guillermo"]
[Result "0-1"]
[ECO "B52"]
[PlyCount "98"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nc6 5. d4 cxd4 6. Nxd4 Nf6 7. Nc3 e6 8. Nxc6 bxc6 9. Be2 Be7 10. 0-0 0-0 11. b3 Qc7 12. Ba3 Rfe8 13. Re1 Rad8 14. Bb2 e5 15. Bd3 Bf8 16. Ne2 d5 17. Ng3 Bc5 18. Nh5 Nxe4 19. Rxe4 dxe4 20. Bxe4 Bf5 21. Qf3 Bxe4 22. Qxe4 Qd6 23. Qg4 Qg6 24. Qxg6 hxg6 25. Ng3 Rd2 26. Ne4 Rxc2 27. Nxc5 Rxb2 28. g3 Rd8 29. Ne4 Rxb3 30. g4 Rd4 31. Re1 Rxa4 32. Kg2 Rbb4 33. f3 Ra2+ 34. Kg3 Rbb2 35. Rh1 Rg2+ 36. Kh3 a5 37. Ng5 a4 38. Kh4 Rxh2+ 39. Rxh2 Rxh2+ 40. Kg3 Re2 41. Nh3 a3 42. Ng1 Rb2 43. f4 e4 44. f5 gxf5 45. g5 a2 46. g6 a1Q 47. gxf7+ Kxf7 48. Nh3 Qe1+ 49. Kf4 Kf6 0-1

[Event "MEX-ch U18"]
[Site "Mexico City"]
[Date "1999.??.??"]
[Round "4"]
[White "Pierdant Gonzalez, Guillermo"]
[Black "Vidal Capo, Uriel Hidalgo"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "60"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. exf5 Bxf5 12. Qf3 Nd4 13. Nf6+ Ke7 14. Nd5+ Ke6 15. Nc7+ Qxc7 16. Qxa8 b4 17. g4 Bg6 18. g5 Bg7 19. Bh3+ Ke7 20. Qxa6 bxa3 21. 0-0 axb2 22. Rab1 Nf3+ 23. Kg2 e4 24. Rfd1 Bh5 25. Rd5 Rb8 26. Bf5 Nxg5 27. h4 Ne6 28. Bxe6 Bf3+ 29. Kg1 fxe6 30. Rd2 Bc3 0-1

[Event "Carlos Torre Memorial op 11th"]
[Site "Merida"]
[Date "1998.12.20"]
[Round "6"]
[White "Rodriguez Herreros, Victor"]
[Black "Pierdant Gonzalez, Guillermo"]
[Result "0-1"]
[ECO "E85"]
[WhiteElo "2280"]
[PlyCount "118"]
[EventDate "1998.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 e5 8. d5 Ne7 9. g4 Ne8 10. Rg1 Kh8 11. Qd2 f5 12. gxf5 gxf5 13. Bh6 f4 14. Bxg7+ Nxg7 15. 0-0-0 a6 16. Kb1 Bd7 17. Nc1 Qb8 18. Nb3 b5 19. c5 b4 20. Ne2 Be8 21. c6 Bh5 22. Bg2 a5 23. Nbc1 a4 24. Nd3 b3 25. a3 Nc8 26. Nb4 Nb6 27. Qc3 Qd8 28. Nc1 Qh4 29. Rd2 Qxh2 30. Rh1 Qg3 31. Rh3 Qg5 32. Ncd3 Bg6 33. Qc1 Nh5 34. Ka1 Ra5 35. Bh1 Ng3 36. Rg2 Qe7 37. Rgh2 Rf7 38. Rh6 Rg7 39. Qc3 Kg8 40. Na2 Ra8 41. Nac1 Kh8 42. Bg2 Bf7 43. Bh3 Rg6 44. Rxg6 Bxg6 45. Nxf4 Bf7 46. Be6 Qf6 47. Bxf7 Qxf7 48. Nh3 Rg8 49. Qd2 Qf6 50. Qe3 Qh4 51. Qd2 Nf1 52. Qf2 Qxf2 53. Rxf2 Ne3 54. f4 exf4 55. Nxf4 Rg1 56. Kb1 Nbc4 57. Ne6 Rf1 58. Rh2 Rd1 59. Nxc7 Rd2 0-1

[Event "Pan American-ch U12"]
[Site "Blumenau"]
[Date "1995.04.??"]
[Round "4"]
[White "Borba, Paulo Henrique Ghel"]
[Black "Pierdant Gonzalez, Guillermo"]
[Result "0-1"]
[ECO "B56"]
[PlyCount "72"]
[EventDate "1995.04.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bb5 Bd7 7. 0-0 a6 8. Bc4 b5 9. Bd5 Nxd5 10. Nxd5 e6 11. Nc3 Be7 12. f4 0-0 13. Nxc6 Bxc6 14. Qg4 b4 15. Ne2 Bxe4 16. c3 bxc3 17. Nxc3 Bd3 18. Rf3 Bf5 19. Qh5 Bg6 20. Qg4 Qb6+ 21. Kh1 h5 22. Qg3 h4 23. Qe1 Bf6 24. Qd2 Qd4 25. Qxd4 Bxd4 26. Rh3 Bf6 27. Re3 d5 28. Na4 Rfb8 29. Re2 Rb4 30. Nc5 a5 31. a3 Rb5 32. Na4 Rc8 33. Re3 Bc2 34. Nc3 Rbc5 35. Bd2 d4 36. Ne4 dxe3 0-1

[Event "Pan American-ch U12"]
[Site "Blumenau"]
[Date "1995.04.??"]
[Round "6"]
[White "Cubas Berdnavek, Rodrigo D"]
[Black "Pierdant Gonzalez, Guillermo"]
[Result "0-1"]
[ECO "B56"]
[PlyCount "52"]
[EventDate "1995.04.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 d6 6. Bb5 Bd7 7. Bxc6 bxc6 8. Nf3 Qc7 9. 0-0 e6 10. Re1 Be7 11. b3 0-0 12. Bb2 e5 13. Ba3 Bg4 14. Qd3 Ne8 15. h3 Be6 16. Na4 f5 17. c4 fxe4 18. Qxe4 Bf5 19. Qe3 Rf6 20. c5 e4 21. Bb2 Rg6 22. Nd4 Bd7 23. Ba3 d5 24. Kf1 Qh2 25. g3 Bxh3+ 26. Ke2 Bg4+ 0-1

[Event "Pan American-ch U12"]
[Site "Blumenau"]
[Date "1995.04.??"]
[Round "3"]
[White "Pierdant Gonzalez, Guillermo"]
[Black "Elias Neto, Moyses"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "54"]
[EventDate "1995.04.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Ne4 7. Bc4 f6 8. Qh5+ g6 9. Qf3 f5 10. g4 d5 11. exd6 Bxd6 12. gxf5 Bxf5 13. Qe2 Qe7 14. Nd2 Nxd2 15. Bxd2 Qxe2+ 16. Bxe2 Bxc2 17. Bf3 0-0 18. Bxc6 Rab8 19. Bd5+ Kg7 20. Bc3+ Kh6 21. Bd2+ Bf4 22. Bxf4+ Rxf4 23. b3 Re8+ 24. Kf1 Bd3+ 25. Kg2 Re5 26. Bb7 Rg5+ 27. Kh3 Bf5# 0-1

[Event "Pan American-ch U12"]
[Site "Blumenau"]
[Date "1995.04.??"]
[Round "7"]
[White "Pierdant Gonzalez, Guillermo"]
[Black "Leal, Joao Vitor"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "111"]
[EventDate "1995.04.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Nd5 7. c4 Nb6 8. Nd2 d5 9. exd6 cxd6 10. g3 Be6 11. Bg2 Qc7 12. Qf3 Rc8 13. b3 Be7 14. 0-0 Bf6 15. Rb1 0-0 16. Ne4 Be5 17. Ba3 Rfd8 18. Ng5 d5 19. cxd5 Bxd5 20. Qh5 h6 21. Nf3 Bf6 22. Qf5 Re8 23. Rfe1 Be6 24. Qc2 Nd5 25. Rbc1 Bc3 26. Red1 Bb4 27. Bb2 Bf8 28. Nd4 Nb4 29. Nxe6 Rxe6 30. Qb1 Rg6 31. a3 Na6 32. Be4 Rd6 33. Rxd6 Qxd6 34. Qc2 Nb8 35. Rd1 Qc7 36. Bh7+ Kh8 37. Bf5 Rd8 38. Rxd8 Qxd8 39. Qc1 Kg8 40. b4 a5 41. Bc3 axb4 42. Bxb4 Bxb4 43. axb4 Qd5 44. Qf4 Qb5 45. Bd3 Qxd3 46. Qxb8+ Kh7 47. Qf4 Qd5 48. h4 g5 49. hxg5 hxg5 50. Qg4 Kh6 51. Qc8 Qd1+ 52. Kh2 Qf3 53. Qh8+ Kg6 54. Qg8+ Kh5 55. Qh7+ Kg4 56. Qh3# 1-0

[Event "Pan American-ch U12"]
[Site "Blumenau"]
[Date "1995.04.??"]
[Round "2"]
[White "Pierdant Gonzalez, Guillermo"]
[Black "Rodriguez, Paulo Virgilio Rios"]
[Result "0-1"]
[ECO "B70"]
[PlyCount "138"]
[EventDate "1995.04.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 Bg7 7. Qd2 a6 8. Bh6 Bxh6 9. Qxh6 Qb6 10. 0-0-0 Nc6 11. Nxc6 bxc6 12. Qd2 Ng4 13. Na4 Qxf2 14. h3 Qxd2+ 15. Rxd2 Ne5 16. Nb6 Rb8 17. Nxc8 Rxc8 18. Rd4 0-0 19. Ra4 Nd7 20. Rxa6 Nc5 21. Ra7 e5 22. Bd3 Ra8 23. Rxa8 Rxa8 24. a3 Ra4 25. Re1 Kf8 26. Kd2 Ke7 27. Re3 Ke6 28. Ke2 Nxd3 29. cxd3 d5 30. g4 f6 31. Kf3 Ra7 32. Re1 Rb7 33. b4 Rf7 34. a4 f5 35. exd5+ Kxd5 36. Ke3 fxg4 37. hxg4 Rf4 38. g5 Rxb4 39. Ra1 e4 40. dxe4+ Rxe4+ 41. Kf3 Re8 42. a5 Kc5 43. a6 Ra8 44. Ke4 Kb6 45. Ke5 Ra7 46. Rb1+ Kxa6 47. Ra1+ Kb6 48. Rxa7 Kxa7 49. Kf6 c5 50. Kg7 c4 51. Kxh7 c3 52. Kxg6 c2 53. Kf7 c1Q 54. g6 Qc7+ 55. Kf6 Qd6+ 56. Kf7 Qf4+ 57. Kg8 Kb6 58. g7 Kc6 59. Kh7 Qh4+ 60. Kg6 Qg4+ 61. Kh6 Qe6+ 62. Kh7 Qf7 63. Kh8 Qh5+ 64. Kg8 Kd6 65. Kf8 Qf5+ 66. Kg8 Ke6 67. Kh8 Qh5+ 68. Kg8 Kf6 69. Kf8 Qf7# 0-1

[Event "Pan American-ch U12"]
[Site "Blumenau"]
[Date "1995.04.??"]
[Round "5"]
[White "Pierdant Gonzalez, Guillermo"]
[Black "Wajner, Javier"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "139"]
[EventDate "1995.04.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 d6 10. Ba3 c5 11. Qe4 Nb6 12. Bb2 Rb8 13. Qc6+ Qd7 14. Qe4 Bb7 15. Qe3 Qe6 16. Na3 a6 17. Rd1 Nd7 18. exd6 Qxe3+ 19. fxe3 cxd6 20. Be2 Bxg2 21. Rg1 Be4 22. Rg4 Bf5 23. Rg5 Bg6 24. Bg4 f6 25. Bxd7+ Kxd7 26. Rxc5 Rc8 27. Ra5 Rc6 28. c5 Kc7 29. cxd6+ Bxd6 30. Rad5 Rd8 31. Nc4 Bb4+ 32. Kf2 Rxd5 33. Rxd5 Bf7 34. Rd4 Bxc4 35. bxc4 Bc5 36. Rh4 Rb6 37. Bc3 h6 38. Rg4 g5 39. Rg3 f5 40. Ba5 f4 41. Bxb6+ Kxb6 42. Rh3 fxe3+ 43. Ke2 Bf8 44. Kxe3 Kc5 45. Kd3 Bg7 46. a3 a5 47. Rf3 Bb2 48. Kc2 Bd4 49. Kb3 Kb6 50. h4 gxh4 51. Rf4 Be3 52. Rxh4 Bg5 53. Rg4 Kc5 54. Kc3 Bf6+ 55. Kc2 Bd4 56. Kb3 Bf6 57. Ka4 Bc3 58. Rh4 Bd2 59. Rh2 Bf4 60. Rf2 Bc7 61. Kb3 Be5 62. Rf5 Kd4 63. Rh5 Bg7 64. Rxa5 Bf8 65. a4 Bc5 66. Ra8 Bd6 67. Rh8 Bf4 68. Kb4 Bd6+ 69. Kb5 Be7 70. Rxh6 1-0

[Event "Pan American-ch U12"]
[Site "Blumenau"]
[Date "1995.04.??"]
[Round "1"]
[White "Pontes Jr, Alberto"]
[Black "Pierdant Gonzalez, Guillermo"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "79"]
[EventDate "1995.04.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. Nf3 dxc3 5. Nxc3 Nc6 6. Be2 e6 7. Bf4 Nf6 8. e5 dxe5 9. Qxd8+ Nxd8 10. Nxe5 Be7 11. 0-0 0-0 12. Bf3 Nd7 13. Nb5 f6 14. Nc4 e5 15. Be3 Bc5 16. Bxc5 Nxc5 17. Ncd6 Bd7 18. Nc7 Rb8 19. Rac1 b6 20. b4 Nd3 21. Na6 e4 22. Bxe4 Nxc1 23. Nxb8 Ne2+ 24. Kh1 Be6 25. Re1 Nc3 26. f4 f5 27. Bc2 Nf7 28. Rxe6 Nxd6 29. Bb3 Kh8 30. Nd7 Re8 31. Rxe8+ Nxe8 32. Kg1 Ne2+ 33. Kf2 Nxf4 34. Kf3 Nd3 35. b5 Nd6 36. a4 f4 37. g3 g5 38. Bc2 Ne1+ 39. Kg4 Nxc2 40. gxf4 0-1

[Event "Wch U12"]
[Site "St Lorenzo"]
[Date "1995.??.??"]
[Round "2"]
[White "Bravo, Sebastian"]
[Black "Pierdant Gonzalez, Guillermo"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "85"]
[EventDate "1995.10.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. Nf3 d6 4. g3 Nf6 5. Bg2 e6 6. Nbd2 Be7 7. 0-0 0-0 8. Ng5 Nd7 9. Ngf3 b5 10. Ne1 Bb7 11. f4 Bf6 12. g4 Qc7 13. Nef3 Nb6 14. g5 Be7 15. Bh3 e5 16. f5 Bc8 17. Rf2 d5 18. Nf1 Rd8 19. Qe2 Nd4 20. Nxd4 cxd4 21. Ng3 dxe4 22. dxe4 Bc5 23. Qd3 Bf8 24. Qxb5 Nc4 25. Bf1 Ne3 26. Qd3 Bc5 27. Be2 Qb6 28. a3 a5 29. Qd2 Bd7 30. Bd3 Rac8 31. Nf1 Bc6 32. Qe2 Qb7 33. Ba6 d3 34. Bxb7 dxe2 35. Bxc8 exf1Q+ 36. Rxf1 Nxf1+ 37. Kxf1 Rxc8 38. c3 Rb8 39. b4 axb4 40. axb4 Bd6 41. Ke2 Bxe4 42. f6 gxf6 43. gxf6 0-1

[Event "Wch U12"]
[Site "St Lorenzo"]
[Date "1995.??.??"]
[Round "9"]
[White "Coimbra, Margarida Goncalves"]
[Black "Pierdant Gonzalez, Guillermo"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "77"]
[EventDate "1995.10.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Nge2 d5 6. exd5 exd5 7. d4 Be6 8. 0-0 Qd7 9. Re1 Be7 10. Bg5 cxd4 11. Nxd4 0-0 12. Qd3 h6 13. Nxe6 fxe6 14. Bh3 Nd8 15. Bxf6 Bxf6 16. Nxd5 Qf7 17. Nxf6+ Qxf6 18. Qe3 Kh8 19. c3 Nf7 20. Qxe6 Ng5 21. Qxf6 Nxh3+ 22. Kg2 Rxf6 23. Kxh3 Rxf2 24. b3 Rd8 25. Re7 Rdd2 26. Rxb7 Rxh2+ 27. Kg4 Rxa2 28. Rxa2 Rxa2 29. c4 a5 30. c5 Rc2 31. Rc7 Rc3 32. c6 Rxb3 33. Rc8+ Kh7 34. c7 Rc3 35. Kf5 a4 36. Ke6 Rc1 37. Kd7 Rd1+ 38. Kc6 Rc1+ 39. Kb6 1/2-1/2

[Event "Wch U12"]
[Site "St Lorenzo"]
[Date "1995.??.??"]
[Round "5"]
[White "Elias, Miroslav"]
[Black "Pierdant Gonzalez, Guillermo"]
[Result "0-1"]
[ECO "B56"]
[PlyCount "50"]
[EventDate "1995.10.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Juniors"]
[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 Nc6 6. Be3 Ng4 7. Bb5 Nxe3 8. fxe3 Bd7 9. 0-0 e5 10. Nxc6 bxc6 11. Bc4 Be6 12. Bb3 Qg5 13. Qf3 Qg6 14. Ba4 Rc8 15. Rad1 Bg4 16. Qf2 Bxd1 17. Nxd1 Be7 18. Bb3 0-0 19. Nc3 Bg5 20. h4 Bd8 21. Bc4 Qf6 22. Qe2 Qxh4 23. Qd3 Qh6 24. Ne2 Bb6 25. Ng3 Bxe3+ 0-1

[Event "Wch U12"]
[Site "St Lorenzo"]
[Date "1995.??.??"]
[Round "4"]
[White "Markus, Robert"]
[Black "Pierdant Gonzalez, Guillermo"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2235"]
[PlyCount "41"]
[EventDate "1995.10.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 e6 7. Nc3 Bb4 8. Bd2 d6 9. Nxd5 exd5 10. Be2 Qb6 11. 0-0 Nxd4 12. Nxd4 Qxd4 13. Bxb4 Qxb4 14. Qxd5 Be6 15. Bb5+ Kd8 16. Qxb7 Rc8 17. exd6 Qh4 18. d7 Rc5 19. Qb8+ Ke7 20. Qe8+ Rxe8 21. dxe8Q+ 1-0

[Event "Wch U12"]
[Site "St Lorenzo"]
[Date "1995.??.??"]
[Round "1"]
[White "Pierdant Gonzalez, Guillermo"]
[Black "Angelini, Diego"]
[Result "0-1"]
[ECO "B78"]
[PlyCount "61"]
[EventDate "1995.10.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Juniors"]
[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. f3 Bg7 7. Bc4 0-0 8. Be3 Nc6 9. g4 Bd7 10. Qd2 Rc8 11. Bb3 Ne5 12. h4 h5 13. 0-0-0 hxg4 14. f4 Nc4 15. Bxc4 Rxc4 16. f5 Qa5 17. fxg6 fxg6 18. Qd3 Rxc3 19. bxc3 Qxa2 20. Kd2 Qa5 21. Qc4+ Kh7 22. Ne6 Rc8 23. Nc5 dxc5 24. e5 Nh5 25. Qf7 Bf5 26. Rhf1 Rd8+ 27. Ke2 Ng3+ 28. Kf2 Rf8 29. Qxe7 Nxf1 30. Bg5 Ng3 31. Kxg3 0-1

[Event "Wch U12"]
[Site "St Lorenzo"]
[Date "1995.??.??"]
[Round "3"]
[White "Pierdant Gonzalez, Guillermo"]
[Black "Guerra Bastida, Diego"]
[Result "0-1"]
[ECO "B28"]
[BlackElo "2310"]
[PlyCount "74"]
[EventDate "1995.10.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d5 7. Qf3 d4 8. Nd5 Nxd5 9. exd5 Bxf5 10. Qxf5 Bb4+ 11. Bd2 Bxd2+ 12. Kxd2 Nd7 13. Re1 Qa5+ 14. Kd1 Qxd5 15. f4 f6 16. b3 b5 17. Bd3 Qd6 18. Rhf1 0-0-0 19. fxe5 fxe5 20. Qe4 Kb8 21. Be2 Nc5 22. Qg4 d3 23. cxd3 Nxd3 24. Qg5 Nxe1+ 25. Kxe1 Qb4+ 26. Kf2 Rhf8+ 27. Kg1 Qd4+ 28. Kh1 Rxf1+ 29. Bxf1 Rf8 30. Qc1 Qf4 31. Qxf4 Rxf4 32. Kg1 Kb7 33. g3 Rd4 34. Bg2+ Kc7 35. Kf1 Rd1+ 36. Ke2 Ra1 37. h4 Rxa2+ 0-1

[Event "Wch U12"]
[Site "St Lorenzo"]
[Date "1995.??.??"]
[Round "10"]
[White "Pierdant Gonzalez, Guillermo"]
[Black "Jianu, Vlad Cristian"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "58"]
[EventDate "1995.10.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Qb6 7. Qc2 Bd7 8. Nd2 Rc8 9. Ngf3 e6 10. 0-0 Nb4 11. Qb1 Nxd3 12. Qxd3 Bb5 13. c4 dxc4 14. Qc2 c3 15. Rfc1 Nd5 16. Bg3 Rc6 17. Nb3 Nb4 18. Qd1 cxb2 19. Rxc6 bxa1Q 20. Rc8+ Kd7 21. Rc7+ Qxc7 22. Nxa1 Bd6 23. Nb3 b6 24. Bxd6 Qxd6 25. Ne5+ Ke7 26. Qh5 g6 27. Qh4+ f6 28. Nxg6+ hxg6 29. Qxh8 Nxa2 0-1

[Event "Wch U12"]
[Site "St Lorenzo"]
[Date "1995.??.??"]
[Round "11"]
[White "Pierdant Gonzalez, Guillermo"]
[Black "Payares Leon, Daniel Alfonso"]
[Result "1-0"]
[ECO "B82"]
[PlyCount "88"]
[EventDate "1995.10.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Juniors"]
[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. f4 e6 7. Be3 Be7 8. Qf3 Qc7 9. g4 b5 10. Bd3 Bb7 11. 0-0-0 Nc6 12. Nce2 0-0-0 13. Nxc6 Bxc6 14. Nd4 Bb7 15. Rhe1 Kb8 16. Kb1 Rc8 17. Bf2 Nd7 18. Qe3 Qc5 19. Qe2 Qc7 20. Qe3 Qc5 21. Qe2 Qc7 22. a4 bxa4 23. Bxa6 Bxa6 24. Qxa6 Nc5 25. Qc4 Rhd8 26. Nb5 Qb7 27. Na3 Qa6 28. Qxa6 Nxa6 29. Rd4 Nc5 30. Rb4+ Ka8 31. Bxc5 Rxc5 32. Rxa4+ Kb7 33. Re3 Kc6 34. Rb3 Rd7 35. Nc4 Rb5 36. Rc3 Rc5 37. Rb3 Rb5 38. Rc3 Rc5 39. b4 Rxc4 40. b5+ Kxb5 41. Raxc4 d5 42. Rc7 Rxc7 43. Rxc7 Bd6 44. Rxf7 dxe4 1-0

[Event "Wch U12"]
[Site "St Lorenzo"]
[Date "1995.??.??"]
[Round "8"]
[White "Pierdant Gonzalez, Guillermo"]
[Black "Rodrigues, Camilo"]
[Result "0-1"]
[ECO "B72"]
[PlyCount "96"]
[EventDate "1995.10.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Juniors"]
[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 Nc6 6. f4 g6 7. Be2 Bg7 8. Be3 0-0 9. g4 Bxg4 10. Bxg4 Nxg4 11. Qxg4 Nxd4 12. 0-0-0 Nc6 13. h4 h5 14. Qg3 Qa5 15. Rd5 Qb4 16. Bd2 Nd4 17. a3 Qxc3 18. Qxc3 Ne2+ 19. Kd1 Nxc3+ 20. Bxc3 Bxc3 21. bxc3 Rac8 22. Kd2 Rc4 23. Rd4 Rc5 24. Rb1 b6 25. c4 Rfc8 26. Kd3 e5 27. fxe5 dxe5 28. Rd5 Rxc4 29. Rb2 Rc3+ 30. Kd2 R8c5 31. Rxc5 Rxc5 32. Rb1 Ra5 33. Rb3 Kg7 34. c4 f5 35. Ke3 f4+ 36. Kf2 Kf6 37. Kg2 Ke6 38. Kf3 Kd6 39. Ke2 Kc5 40. Kd3 Ra4 41. Rb5+ Kd6 42. Rb3 Kc6 43. Rc3 a6 44. Rb3 Kc5 45. Rc3 a5 46. Rb3 Rxc4 47. Rb1 Ra4 48. Rb2 Rxa3+ 0-1

[Event "Wch U12"]
[Site "St Lorenzo"]
[Date "1995.??.??"]
[Round "6"]
[White "Pierdant Gonzalez, Guillermo"]
[Black "Slamang, Nathmie"]
[Result "1/2-1/2"]
[ECO "B76"]
[PlyCount "119"]
[EventDate "1995.10.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Juniors"]
[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. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 Bd7 10. g4 Qb8 11. g5 Nh5 12. Be2 Ne5 13. f4 Ng4 14. Bg1 e5 15. Ndb5 Nxf4 16. Nxd6 Nh3 17. Nxb7 Bc8 18. Bc5 Qxb7 19. Bxf8 Bxf8 20. Bc4 Rb8 21. Bb3 Nxg5 22. h3 Nf3 23. Qd5 Nf2 24. Rhf1 Bh6+ 25. Kb1 Qxd5 26. Rxd5 Be6 27. Rxf2 Bxd5 28. Nxd5 Nd2+ 29. Ka1 Nxe4 30. Ne7+ Kh8 31. Rxf7 Ng5 32. Rf1 Rf8 33. Rxf8+ Bxf8 34. Nc6 e4 35. c4 e3 36. Nd4 Nxh3 37. Bd1 Nf4 38. Kb1 h5 39. Ne2 Nxe2 40. Bxe2 h4 41. Kc2 h3 42. Kd3 h2 43. Bf3 Bc5 44. a3 a5 45. b4 axb4 46. axb4 Bxb4 47. Kxe3 Kg7 48. Kf4 Kf6 49. Kg3 Bd6+ 50. Kg2 g5 51. c5 Bc7 52. c6 Kf5 53. Kh1 Kf4 54. Bd5 g4 55. Bg2 g3 56. Bd5 Ke3 57. Bg2 Kd4 58. Bf3 Kc5 59. Be4 Bf4 60. Bf3 1/2-1/2

[Event "Wch U12"]
[Site "St Lorenzo"]
[Date "1995.??.??"]
[Round "7"]
[White "Umetsubo, Cesar Hidemitsu"]
[Black "Pierdant Gonzalez, Guillermo"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "94"]
[EventDate "1995.10.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d6 6. h3 Nbd7 7. 0-0 b6 8. c4 Bb7 9. Nc3 Ne4 10. Rc1 e5 11. Bh2 Nxc3 12. Rxc3 a5 13. Rc1 f5 14. a3 a4 15. b4 axb3 16. Qxb3 Kh8 17. Rfd1 e4 18. Nd2 Bc6 19. Qa2 Ba4 20. Nb3 Qe7 21. Rd2 Bxb3 22. Qxb3 Ra5 23. f3 exf3 24. Bxf3 Nf6 25. Bc6 Bh6 26. Rd3 Ne4 27. Re1 Rg8 28. Qb2 g5 29. Bd5 Rg6 30. c5 g4 31. cxb6 gxh3 32. b7 Rxg2+ 33. Qxg2 hxg2 34. b8Q+ Bf8 35. Bxe4 fxe4 36. Rc3 Rf5 37. Rxc7 Qf6 38. Qb1 Bh6 39. Rc3 Qh4 40. Rc8+ Kg7 41. Rc7+ Kg8 42. Rc8+ Kg7 43. Rc2 Kg6 44. Bf4 Bxf4 45. Qa2 Qxe1+ 46. Kxg2 Rg5+ 47. Kh3 Qg3# 0-1

