[Event "PAR-ch sf"]
[Site "Asuncion"]
[Date "2020.03.08"]
[Round "6"]
[White "Barrientos, Ernesto"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1923"]
[BlackElo "2061"]
[PlyCount "53"]
[EventDate "2020.03.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. b3 d5 3. Bb2 dxe4 4. Nc3 Nf6 5. g4 h6 6. Bg2 Bc5 7. Qe2 Nc6 8. Nxe4 Nd4 9. Qc4 Bb6 10. Ne2 e5 11. Nxd4 exd4 12. 0-0-0 Nxe4 13. Rde1 0-0 14. Bxe4 Be6 15. Qd3 c6 16. Rhg1 Qf6 17. Qg3 Rad8 18. h4 g6 19. g5 Qg7 20. gxh6 Qxh6 21. h5 Ba5 22. f4 Qxh5 23. Rh1 Qg4 24. Qh2 Qh5 25. Qxh5 gxh5 26. f5 Bd5 27. Reg1+ 1-0

[Event "PAR-ch sf"]
[Site "Asuncion"]
[Date "2020.03.08"]
[Round "5"]
[White "Zarza, Ronald"]
[Black "Heinechen, Juan"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2061"]
[BlackElo "2158"]
[PlyCount "70"]
[EventDate "2020.03.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 a6 7. N5c3 f5 8. Bd3 fxe4 9. Bxe4 Be6 10. Nd5 Nf6 11. Bg5 Be7 12. Bxf6 Bxf6 13. Nbc3 Nd4 14. Qa4+ Bd7 15. Qb4 Bc6 16. c5 dxc5 17. Qxc5 Rc8 18. Qa3 Bxd5 19. Nxd5 Nc2+ 20. Bxc2 Qxd5 21. Qb3 Qxb3 22. Bxb3 Be7 23. Ke2 Bc5 24. Rad1 Rf8 25. f3 Bd4 26. Rd2 Ke7 27. Bd5 Rc7 28. Be4 h6 29. b3 Kd6 30. Rc2 Rxc2+ 31. Bxc2 Kc5 32. Be4 b6 33. Rc1+ Kd6 34. Rc6+ Kd7 35. Rg6 Rf7 1/2-1/2

[Event "PAR-ch sf"]
[Site "Asuncion"]
[Date "2020.03.08"]
[Round "7"]
[White "Zarza, Ronald"]
[Black "Oviedo Acosta, Paula"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2061"]
[BlackElo "1603"]
[PlyCount "34"]
[EventDate "2020.03.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Bd3 g6 8. 0-0 Bg7 9. Be3 0-0 10. f4 d6 11. Kh1 b6 12. f5 Nc6 13. fxg6 hxg6 14. Nxc6 Qxc6 15. Qe2 Bb7 16. Rac1 Rac8 17. Bd4 Nd7 1/2-1/2

[Event "PAR-ch sf"]
[Site "Asuncion"]
[Date "2020.03.07"]
[Round "4"]
[White "Franco Pinanez, Miguel Augusto"]
[Black "Zarza, Ronald"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "1817"]
[BlackElo "2061"]
[PlyCount "51"]
[EventDate "2020.03.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 Rg6 9. Qd2 c5 10. dxc5 Qa5 11. Bb2 Nc6 12. 0-0-0 Qxc5 13. c4 e5 14. f3 Be6 15. Qd6 Qe3+ 16. Qd2 Qb6 17. Qc3 Nd4 18. c5 Qc7 19. f4 Nd5 20. Qe1 Qxc5 21. Qxe4 0-0-0 22. Bxd4 exd4 23. Qxd4 Qxa3+ 24. Qb2 Qe3+ 25. Rd2 Nc3 26. Nf3 0-1

[Event "PAR-ch sf"]
[Site "Asuncion"]
[Date "2020.03.07"]
[Round "2"]
[White "Montiel, Angel Nathanael"]
[Black "Zarza, Ronald"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "1604"]
[BlackElo "2061"]
[PlyCount "88"]
[EventDate "2020.03.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 Rg6 9. Qh4 c5 10. Ne2 Nc6 11. Bg5 h6 12. Bxf6 Rxf6 13. Ng3 e3 14. Ne4 exf2+ 15. Kd2 Rf5 16. Qxd8+ Kxd8 17. g4 Rf4 18. Ke3 Rxg4 19. Nxc5 e5 20. d5 Ne7 21. Kxf2 b6 22. Nd3 e4 23. Ne5 Rg7 24. Bg2 f5 25. Rhg1 Kc7 26. c4 Kd6 27. Nc6 Nxc6 28. dxc6 Be6 29. Rad1+ Kc7 30. Bh3 Rg5 31. Rxg5 hxg5 32. Bf1 Kxc6 33. Ke3 Re8 34. Be2 f4+ 35. Kf2 Rh8 36. Kg1 f3 37. Bf1 e3 38. Bd3 Kc5 39. Rb1 Bxc4 40. Rb4 Bxd3 41. cxd3 f2+ 42. Kf1 Rxh2 43. Rc4+ Kd6 44. Ke2 Rh1 0-1

[Event "PAR-ch sf"]
[Site "Asuncion"]
[Date "2020.03.07"]
[Round "3"]
[White "Zarza, Ronald"]
[Black "Jodorcovsky, Paulo Leonardo"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2061"]
[BlackElo "1796"]
[PlyCount "43"]
[EventDate "2020.03.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[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 Bg7 11. Bd3 Ne7 12. Nxe7 Qxe7 13. c4 f5 14. 0-0 0-0 15. Qh5 d5 16. cxd5 Qd8 17. exf5 Qxd5 18. f6 Qxd3 19. fxg7 Re8 20. Rad1 Qg6 21. Qxg6 hxg6 22. Nc2 1/2-1/2

[Event "PAR-ch sf"]
[Site "Asuncion"]
[Date "2020.03.06"]
[Round "1"]
[White "Zarza, Ronald"]
[Black "Arrua Maldonado, Mathias David"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2061"]
[BlackElo "1384"]
[PlyCount "53"]
[EventDate "2020.03.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Bc5 9. Nc3 0-0 10. Rd1 Qe7 11. Ne4 Bb6 12. Bg5 Qb4 13. g4 h6 14. c3 Qb5 15. c4 Qa6 16. gxf5 hxg5 17. f6 g4 18. fxg7 Kxg7 19. Qe3 Bf5 20. Qg5+ Bg6 21. Nh4 Bxf2+ 22. Kxf2 Qb6+ 23. Kf1 Rh8 24. Nf5+ Kg8 25. Rd8+ Rxd8 26. Qxd8+ Kh7 27. Nf6# 1-0

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "2008.06.26"]
[Round "11"]
[White "Zarza, Ronald"]
[Black "Del Puerto, Rodrigo"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2075"]
[BlackElo "1995"]
[PlyCount "63"]
[EventDate "2008.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Nxc6 bxc6 7. Bd3 Nf6 8. 0-0 Be7 9. Qe2 0-0 10. f4 g6 11. f5 exf5 12. exf5 d5 13. Bf4 Qb6+ 14. Kh1 Re8 15. Rae1 d4 16. fxg6 hxg6 17. Bg5 Bg4 18. Qe5 Bd8 19. Qf4 Rxe1 20. Rxe1 dxc3 21. Bxf6 Bxf6 22. Qxf6 cxb2 23. Bc4 c5 24. Bxf7+ Kh7 25. Bxg6+ Kh6 26. Qh4+ Kxg6 27. Qxg4+ Kf6 28. Rf1+ Ke5 29. Rf5+ Kd6 30. Qg6+ Kc7 31. Rf7+ Kc8 32. Qg4+ 1-0

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "2008.06.25"]
[Round "10"]
[White "Perez Ferloni, Jose"]
[Black "Zarza, Ronald"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1996"]
[BlackElo "2075"]
[PlyCount "83"]
[EventDate "2008.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. Re1 c5 7. c4 dxc4 8. Nc3 cxd4 9. Nxd4 e5 10. Nf3 Qxd1 11. Rxd1 Nc6 12. Bg5 Be6 13. Bxf6 Bxf6 14. Nd5 Bxd5 15. Rxd5 Rad8 16. Rad1 Rxd5 17. Rxd5 Rd8 18. Nd2 b5 19. Ne4 Be7 20. Rxb5 f5 21. Nc3 e4 22. e3 Nb4 23. a3 Nd3 24. g4 Bh4 25. gxf5 Bxf2+ 26. Kf1 gxf5 27. Rxf5 Bxe3 28. Bxe4 Nxb2 29. Rb5 Rd2 30. Rb8+ Kf7 31. Rb7+ Kf6 32. Nd5+ Ke5 33. Re7+ Kd4 34. Nxe3 Kxe3 35. Bxh7+ Kd4 36. Rd7+ Kc3 37. Rxa7 Rxh2 38. Bg8 Nd3 39. Rc7 Ne5 40. Rc5 Kd4 41. Rd5+ Ke4 42. Rc5 1/2-1/2

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "2008.06.24"]
[Round "9"]
[White "Zarza, Ronald"]
[Black "Gutierrez, Santiago"]
[Result "0-1"]
[ECO "C87"]
[WhiteElo "2075"]
[PlyCount "88"]
[EventDate "2008.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 0-0 7. Bxc6 dxc6 8. Nxe5 Re8 9. Nf3 Bg4 10. h3 Bh5 11. d3 h6 12. Be3 Nh7 13. Nbd2 Bg5 14. g4 Bxe3 15. Rxe3 Bg6 16. Qf1 Ng5 17. Nxg5 Qxg5 18. f4 Qc5 19. Qf2 Qxc2 20. f5 Bh7 21. Nc4 Qa4 22. Qd2 c5 23. b3 Qd7 24. Rf1 b5 25. Nb2 Rad8 26. Qf2 f6 27. h4 Qd6 28. Kh1 Rd7 29. Rg3 Red8 30. Rfg1 Kh8 31. Rh3 Qc6 32. g5 c4 33. bxc4 bxc4 34. g6 Bg8 35. Qc2 Qb7 36. Re1 cxd3 37. Rxd3 Qb4 38. Re2 Bxa2 39. Rc3 Qd6 40. Na4 Qf4 41. Rf2 Rd1+ 42. Kg2 R8d2 43. Rcf3 Qg4+ 44. Rg3 Rg1+ 0-1

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "2008.06.22"]
[Round "8"]
[White "Recalde, Augusto"]
[Black "Zarza, Ronald"]
[Result "1/2-1/2"]
[ECO "D18"]
[WhiteElo "2005"]
[BlackElo "2075"]
[PlyCount "14"]
[EventDate "2008.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 1/2-1/2

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "2008.06.21"]
[Round "7"]
[White "Galeano, Mario"]
[Black "Zarza, Ronald"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2026"]
[BlackElo "2075"]
[PlyCount "84"]
[EventDate "2008.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Ne4 4. Bh4 d5 5. Nbd2 Bg7 6. c3 Nxd2 7. Qxd2 0-0 8. Bg5 Nd7 9. Bh6 Nf6 10. Bxg7 Kxg7 11. Ne5 Ne4 12. Qe3 f6 13. Nd3 b6 14. f3 Nd6 15. g4 Nc4 16. Qc1 e5 17. b3 e4 18. Nf2 Nd6 19. f4 c5 20. Qe3 cxd4 21. cxd4 Be6 22. Bg2 Qd7 23. h3 Rac8 24. 0-0 Rc2 25. Rfc1 Rfc8 26. Rxc2 Rxc2 27. a4 Qc7 28. Nd1 a5 29. Bf1 f5 30. g5 Ne8 31. Rb1 Qc6 32. b4 Qxa4 33. bxa5 Qxa5 34. Qb3 Rc6 35. e3 Nd6 36. Rb2 Qe1 37. Rb1 Nc4 38. Qb4 Nd2 39. Qe7+ Bf7 40. Qe5+ Kf8 41. Qb8+ Be8 42. Nf2 Qxb1 0-1

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "2008.06.15"]
[Round "6"]
[White "Zarza, Ronald"]
[Black "Sartori, Spartaco"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2075"]
[BlackElo "2182"]
[PlyCount "62"]
[EventDate "2008.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 exd4 5. e5 Nd5 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Qxd2 0-0 9. Bc4 Nb6 10. Bb3 d5 11. 0-0 a5 12. h3 a4 13. Bc2 Nc4 14. Qd3 g6 15. Qc3 Qe7 16. Nbd2 Qb4 17. Nxc4 Qxc4 18. Qd2 Kg7 19. b3 Qb4 20. Qf4 a3 21. h4 Qe7 22. h5 h6 23. Nh4 Qg5 24. Qh2 Nxd4 25. f4 Qxh5 26. Bd1 Bg4 27. Bxg4 Qxg4 28. Rad1 Ne2+ 29. Kf2 Nc3 30. Rc1 Ne4+ 31. Kg1 Ng3 0-1

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "2008.06.14"]
[Round "5"]
[White "Lipiniks, Leonardo"]
[Black "Zarza, Ronald"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2012"]
[BlackElo "2075"]
[PlyCount "96"]
[EventDate "2008.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Qd2 b6 8. a4 Ba6 9. Bxa6 Qxa6 10. Qe2 Ne7 11. Qb5+ Nec6 12. dxc5 bxc5 13. Nf3 Qb6 14. Ba3 Nd7 15. 0-0 0-0 16. Rfb1 Rfb8 17. Qf1 Qc7 18. Qe2 h6 19. Rb3 Na5 20. Rxb8+ Rxb8 21. g3 Nc4 22. Bc1 Ncxe5 23. Bf4 Nxf3+ 24. Qxf3 e5 25. Bd2 Qd6 26. c4 d4 27. Qd3 Qe6 28. f3 f5 29. Re1 Nf6 30. Bf4 e4 31. fxe4 fxe4 32. Qa3 Rc8 33. Qb3 e3 34. Qb7 Qd7 35. Qa6 Ne4 36. Qg6 Nd2 37. Re2 Qh3 38. Rxd2 exd2 39. Bxd2 Rb8 40. Be1 Rf8 41. Qd3 Qf5 42. Qe2 Qf3 43. Qxf3 Rxf3 44. a5 Kf7 45. Kg2 Ra3 46. Kf1 Ra2 47. c3 d3 48. Bf2 d2 0-1

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "2008.06.08"]
[Round "4"]
[White "Zarza, Ronald"]
[Black "Britez, G Jorge A"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2075"]
[BlackElo "1904"]
[PlyCount "45"]
[EventDate "2008.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 e6 7. Nf3 Bd6 8. Bxd6 Qxd6 9. 0-0 0-0 10. Qe2 a6 11. a4 b6 12. Nbd2 Bb7 13. Ne5 a5 14. f4 Nd7 15. Rae1 g6 16. Rf3 Rae8 17. Rh3 f5 18. Nxd7 Qxd7 19. Nf3 h5 20. Rg3 Kf7 21. Bb5 Qd6 22. Bxc6 Bxc6 23. Ne5+ 1-0

[Event "Asuncion Mayor op"]
[Site "Asuncion"]
[Date "2001.??.??"]
[Round "1"]
[White "Acevedo, Victor"]
[Black "Zarza, Ronald"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "2117"]
[PlyCount "62"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. h4 Rc8 11. Bb3 h5 12. 0-0-0 Ne5 13. Bg5 Rc5 14. g4 hxg4 15. f4 Nc4 16. Qe2 Qc8 17. f5 Nxb2 18. Kxb2 Rxc3 19. fxg6 Rxb3+ 20. axb3 Qc5 21. gxf7+ Rxf7 22. Kb1 a5 23. Bc1 d5 24. exd5 Nxd5 25. Bb2 e5 26. c4 Nf4 27. Qe3 exd4 28. Bxd4 Qa3 29. Rh2 Bf5+ 30. Rc2 Bxc2+ 31. Kxc2 Qa2+ 0-1

[Event "Asuncion Mayor op"]
[Site "Asuncion"]
[Date "2001.??.??"]
[Round "2"]
[White "Bergonzi, Osvaldo"]
[Black "Zarza, Ronald"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2153"]
[PlyCount "128"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 b5 9. Qe2 a5 10. a4 b4 11. e5 Nd7 12. Nf1 Ba6 13. h4 c4 14. Bf4 cxd3 15. cxd3 Nc5 16. Red1 b3 17. Ne3 Nb4 18. Ne1 Rc8 19. Qg4 Kh8 20. Bf1 Qd7 21. Bg5 Bxg5 22. hxg5 Nxa4 23. Nxd5 Qxd5 24. Rxa4 Qb5 25. Rda1 Na2 26. Rf4 Qxe5 27. d4 Qd6 28. Bxa6 Qxa6 29. Nf3 Rc1+ 30. Rxc1 Nxc1 31. Re4 Nd3 32. Qh5 Qb5 33. Rh4 Qf5 34. g6 Qxh5 35. Rxh5 fxg6 36. Rxa5 h6 37. Ne5 Nxe5 38. Rxe5 Rd8 39. Rxe6 Rxd4 40. Rb6 g5 41. Rxb3 Rd1+ 42. Kg2 Kh7 43. Kf3 Rd4 44. Rb7 h5 45. b4 h4 46. Kg2 Rc4 47. b5 Rb4 48. b6 Kg6 49. Rb8 Kh7 50. Kh3 Kg6 51. Rb7 Kh7 52. f4 hxg3 53. fxg5 g2 54. Kxg2 Rg4+ 55. Kf3 Rxg5 56. Rd7 Rb5 57. b7 Kh6 58. Ke4 g5 59. Kd4 g4 60. Kc4 Rb1 61. Kc5 g3 62. Rd6+ Kh7 63. Rd7+ Kh6 64. Rd6+ Kh7 1/2-1/2

[Event "Asuncion Mayor op"]
[Site "Asuncion"]
[Date "2001.??.??"]
[Round "4"]
[White "Coronel, Dario"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "D80"]
[PlyCount "85"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. Bf4 Nxc3 7. bxc3 c5 8. e3 Qa5 9. Qb3 cxd4 10. exd4 Nc6 11. cxd5 Nb8 12. Bxb8 Rxb8 13. Bb5+ Kf8 14. 0-0 a6 15. Bd3 Bg4 16. Ne5 Bxe5 17. dxe5 Kg7 18. f4 Qc5+ 19. Kh1 Qe3 20. c4 Rhd8 21. Rae1 Qc5 22. h3 Bd7 23. f5 b5 24. f6+ exf6 25. exf6+ Kg8 26. cxb5 Bxb5 27. Bxb5 Rxb5 28. Qa4 Qxd5 29. Rd1 Qa8 30. Rxd8+ Qxd8 31. Qxa6 Rb6 32. Qa5 h6 33. a4 Qd3 34. Qe1 Re6 35. Qf2 Re2 36. Qf4 Re4 37. Qb8+ Kh7 38. Rc1 Rc4 39. Re1 Re4 40. Rxe4 Qxe4 41. Qc7 Qe6 42. Qe7 Qb3 43. Qf8 1-0

[Event "Asuncion Mayor op"]
[Site "Asuncion"]
[Date "2001.??.??"]
[Round "11"]
[White "Gamarra, Ramon"]
[Black "Zarza, Ronald"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "2058"]
[PlyCount "90"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. f4 Bg7 6. Nf3 e6 7. d3 Nge7 8. 0-0 Nd4 9. Ne2 Nec6 10. c3 Nxf3+ 11. Bxf3 h5 12. Be3 Bd7 13. Qd2 h4 14. g4 Qe7 15. Rab1 f5 16. g5 e5 17. Rbe1 0-0-0 18. b4 exf4 19. Bxf4 Ne5 20. bxc5 dxc5 21. Bg2 h3 22. Bh1 Ng4 23. Ng3 Qf7 24. Bd6 Bf8 25. e5 Be6 26. Ne4 Bd5 27. Qf4 Bxe4 28. Bxe4 Bxd6 29. exd6 Qd7 30. Bd5 Qxd6 31. Qxd6 Rxd6 32. c4 Rh5 33. Re7 Rxg5 34. Kh1 Rb6 35. Re2 Nf6 36. Bf3 Nh5 37. Bd5 Nf4 38. Rd2 Nxd5 39. cxd5 Rd6 40. Rf3 Rh5 41. Rg3 g5 42. d4 Rxd5 43. Rc3 b6 44. Rc4 Rh4 45. Ra4 Rhxd4 0-1

[Event "Asuncion Mayor op"]
[Site "Asuncion"]
[Date "2001.??.??"]
[Round "8"]
[White "Riego Prieto, Victorio"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2188"]
[PlyCount "71"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nf3 Bc5 7. Bd3 f6 8. exf6 Nxf6 9. 0-0 0-0 10. c4 Qb6 11. Nc3 Ng4 12. Qe2 e5 13. Nxd5 Qd8 14. Bg5 Qe8 15. h3 Nxf2 16. Rxf2 Bxf2+ 17. Kxf2 Nd4 18. Qe4 Qh5 19. Be3 Nxf3 20. gxf3 Qxh3 21. Rg1 Kh8 22. Rxg7 Rf5 23. Rg3 Qh2+ 24. Rg2 Qh5 25. Bd2 Bd7 26. Bc3 Raf8 27. Kg1 Rg5 28. Rxg5 Qxg5+ 29. Kf2 Rf5 30. Bxe5+ Kg8 31. Bc3 Kf7 32. Qd4 h5 33. Bxf5 Bxf5 34. Qxa7 Ke8 35. Nf6+ Kd8 36. Ba5+ 1-0

[Event "Asuncion Mayor op"]
[Site "Asuncion"]
[Date "2001.??.??"]
[Round "7"]
[White "Vera, I Jorge"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2094"]
[PlyCount "85"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 h6 7. Be3 Nbd7 8. Qd2 Kh7 9. Rd1 e5 10. dxe5 Nxe5 11. c5 Nfg4 12. Nf3 Nxf3+ 13. gxf3 Nxe3 14. Qxe3 Be6 15. h4 Qe7 16. cxd6 cxd6 17. h5 a6 18. f4 Qc7 19. Qd3 Rac8 20. hxg6+ fxg6 21. Qxd6 Bxc3+ 22. bxc3 Qxc3+ 23. Kf1 Bxa2 24. Qe7+ Qg7 25. Rxh6+ Kg8 26. Qg5 Rc6 27. Bg4 Qf6 28. Rd7 Bc4+ 29. Kg2 Qxg5 30. fxg5 b5 31. Rdh7 Rd6 32. e5 Rd4 33. Rh8+ Kf7 34. R6h7+ Ke8 35. Bd7+ Rxd7 36. Rxf8+ Kxf8 37. Rxd7 b4 38. Rd4 b3 39. Rxc4 a5 40. Kf3 Ke7 41. Ke3 Ke6 42. Kd3 Kd5 43. Ra4 1-0

[Event "Asuncion Mayor op"]
[Site "Asuncion"]
[Date "2001.??.??"]
[Round "5"]
[White "Zarza, Ronald"]
[Black "Abdo, Luis"]
[Result "1-0"]
[ECO "C63"]
[PlyCount "51"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Bxc6 dxc6 6. Ne5 Nf6 7. 0-0 Qd4 8. Ng4 Bxf5 9. Nxf6+ gxf6 10. Qh5+ Bg6 11. Qh3 f5 12. d3 0-0-0 13. dxe4 Qxe4 14. Bg5 Re8 15. Qc3 Bd6 16. Nd2 Qg4 17. Nf3 Rhg8 18. Qd4 h6 19. Bf6 Qxf3 20. gxf3 Bh5+ 21. Bg7 Bxf3 22. Rfe1 Be4 23. Kf1 Re7 24. Rxe4 Rxe4 25. Qf6 Rg4 26. Qxf5+ 1-0

[Event "Asuncion Mayor op"]
[Site "Asuncion"]
[Date "2001.??.??"]
[Round "6"]
[White "Zarza, Ronald"]
[Black "Britez, Victor"]
[Result "1-0"]
[ECO "C92"]
[PlyCount "71"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 0-0 9. h3 Bb7 10. d4 h6 11. Nbd2 a5 12. Nf1 b4 13. Ng3 a4 14. Bxa4 exd4 15. Bxc6 Bxc6 16. Nxd4 Bd7 17. cxb4 Nh7 18. Be3 Re8 19. b5 Bf6 20. a4 Ng5 21. Bxg5 Bxg5 22. Qc2 Qb8 23. Nf3 Bf4 24. Nh5 Be5 25. Nxe5 Rxe5 26. Nf4 Qd8 27. Nd5 Qh4 28. f4 Rh5 29. Qf2 Qd8 30. f5 Rc8 31. f6 g6 32. Ne7+ Kh7 33. Nxc8 Qxc8 34. Ra3 Rc5 35. Rc3 Rh5 36. Qa7 1-0

[Event "Asuncion Mayor op"]
[Site "Asuncion"]
[Date "2001.??.??"]
[Round "3"]
[White "Zarza, Ronald"]
[Black "Kropff, Ricardo"]
[Result "0-1"]
[ECO "B44"]
[BlackElo "2311"]
[PlyCount "40"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 Bb4 7. Nxc6 bxc6 8. Bd3 0-0 9. 0-0 e5 10. Be3 Qa5 11. f4 Bxc3 12. bxc3 d6 13. h3 exf4 14. Rxf4 Qxc3 15. Rc1 Qe5 16. Qf3 Be6 17. g4 Rfe8 18. Qf2 c5 19. Bd2 Qd4 20. Be3 Qxd3 0-1

[Event "Asuncion Mayor op"]
[Site "Asuncion"]
[Date "2001.??.??"]
[Round "10"]
[White "Zarza, Ronald"]
[Black "Paniagua, Faustino"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "139"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bg4 6. Bc4 e6 7. 0-0 Nf6 8. h3 Bxf3 9. Qxf3 Bd6 10. Bf4 Qc7 11. Bxd6 Qxd6 12. Rad1 0-0 13. Rfe1 Nbd7 14. g4 g6 15. g5 Nd5 16. Re4 f5 17. Ree1 Rae8 18. a4 a6 19. h4 b5 20. axb5 axb5 21. Bb3 N7b6 22. Nxd5 exd5 23. Kg2 Kg7 24. Rh1 Re4 25. h5 Rg4+ 26. Kf1 Re8 27. hxg6 Qxg6 28. Ra1 Re7 29. c3 Nc4 30. Bxc4 bxc4 31. Qh3 Rxg5 32. Qh4 Re4 33. Ra7+ Kf8 34. Qxh7 Qxh7 35. Rhxh7 Re8 36. Rac7 Kg8 37. Rhd7 Rg6 38. Rf7 Rf8 39. Rfe7 f4 40. Ke2 f3+ 41. Ke3 Rg1 42. Re5 Re1+ 43. Kd2 Rf1 44. Rg5+ Kh8 45. Rgg7 Rxf2+ 46. Ke1 Rh2 47. Rgf7 f2+ 48. Kf1 Rh1+ 49. Kxf2 Rxf7+ 50. Rxf7 Rh2+ 51. Kg3 Rxb2 52. Rf3 Kg7 53. Kf4 Kf6 54. Re3 Rf2+ 55. Kg3 Rd2 56. Kf4 Rf2+ 57. Kg3 Rf1 58. Re8 Rd1 59. Rc8 Kf5 60. Rxc6 Ke4 61. Re6+ Kd3 62. Re5 Kxc3 63. Rxd5 Rxd4 64. Rc5 Kd3 65. Kf3 c3 66. Kf2 c2 67. Ke1 Rc4 68. Rxc4 Kxc4 69. Kd2 Kb3 70. Kc1 1/2-1/2

[Event "Asuncion Mayor op"]
[Site "Asuncion"]
[Date "2001.??.??"]
[Round "9"]
[White "Zarza, Ronald"]
[Black "Recalde, Ariel"]
[Result "1/2-1/2"]
[ECO "C50"]
[BlackElo "2043"]
[PlyCount "101"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. d4 d6 6. Nbd2 0-0 7. 0-0 Bg4 8. d5 Nb8 9. h3 Bh5 10. Re1 Nbd7 11. Bd3 c6 12. dxc6 bxc6 13. Nf1 Nc5 14. Bc2 a5 15. Ng3 Bg6 16. Bg5 Nh5 17. Bxe7 Qxe7 18. Nf5 Bxf5 19. exf5 Nf4 20. Kh2 Qf6 21. g3 Nd5 22. g4 Rfe8 23. g5 Qd8 24. Rg1 Nf4 25. Rg4 Qc7 26. Qd2 Rab8 27. b3 d5 28. g6 fxg6 29. fxg6 h6 30. Nh4 Rf8 31. Bf5 Rf6 32. Qe3 Nce6 33. Qg3 Rbf8 34. Bxe6+ Nxe6 35. f3 Ng5 36. Kg2 Qb6 37. Rxg5 hxg5 38. Qxg5 e4 39. Qh5 exf3+ 40. Nxf3 Rxg6+ 41. Qxg6 Qe3 42. Ng5 Rf2+ 43. Kh1 Qe2 44. Qh7+ Kf8 45. Qh8+ Ke7 46. Qxg7+ Kd6 47. Nf7+ Kc7 48. Ng5+ Kb6 49. Qd4+ Kb7 50. Qg7+ Kb6 51. Qd4+ 1/2-1/2

[Event "WchT U20 3rd"]
[Site "Rio de Janeiro"]
[Date "2000.08.11"]
[Round "5"]
[White "Zarza, Ronald"]
[Black "Alvarez Marquez, Johan"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "2000"]
[BlackElo "2317"]
[PlyCount "42"]
[EventDate "2000.08.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. 0-0 a5 10. f4 0-0 11. f5 Bd7 12. a4 Nb4 13. Bf3 Rc8 14. Qe2 d5 15. exd5 Bxf5 16. d6 Qxd6 17. Bxb7 Bg4 18. Rxf6 Qxf6 19. Qxg4 Rxc3 20. bxc3 Nxc2 21. Rf1 Qxf1+ 0-1

[Event "WchT U20 3rd"]
[Site "Rio de Janeiro"]
[Date "2000.08.10"]
[Round "4"]
[White "Cruz, Ricardo Benares de"]
[Black "Zarza, Ronald"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2267"]
[BlackElo "2000"]
[PlyCount "103"]
[EventDate "2000.08.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d6 6. e4 e5 7. c3 Nbd7 8. Qc2 Re8 9. Re1 c6 10. d4 Qc7 11. Nbd2 Nf8 12. b3 exd4 13. cxd4 Ne6 14. Ba3 Nd7 15. Bb2 Nb6 16. Rac1 Qd8 17. Nf1 d5 18. e5 Ng5 19. Nh4 f5 20. exf6 Rxe1 21. Rxe1 Qxf6 22. Re8+ Kf7 23. Re3 Kg8 24. Nf3 Bf5 25. Qe2 Nxf3+ 26. Bxf3 Bf8 27. Bg4 Nd7 28. h4 Bxg4 29. Qxg4 Qf7 30. h5 Nf6 31. hxg6 Nxg4 32. gxf7+ Kxf7 33. Rf3+ Nf6 34. Ne3 Ke6 35. Kg2 a5 36. a3 Ne4 37. Ng4 Bg7 38. Rd3 Rf8 39. f3 h5 40. fxe4 hxg4 41. Re3 c5 42. e5 cxd4 43. Bxd4 Rf5 44. a4 Bxe5 45. Bb6 Kd6 46. Bxa5 d4 47. Re4 Rf3 48. Rxg4 Rxb3 49. Rg5 d3 50. Bc7+ Kxc7 51. Rxe5 Kd6 52. Re4 1/2-1/2

[Event "WchT U20 3rd"]
[Site "Rio de Janeiro"]
[Date "2000.08.09"]
[Round "3"]
[White "Zarza, Ronald"]
[Black "Espinoza, Edgar"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2000"]
[BlackElo "2084"]
[PlyCount "90"]
[EventDate "2000.08.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qc7 6. Bd3 Nc6 7. Nb3 Nf6 8. f4 d6 9. Be3 Nb4 10. h3 Bd7 11. Nc3 Nxd3+ 12. Qxd3 Rc8 13. Nd2 Be7 14. 0-0 0-0 15. Rac1 b6 16. b3 Rfd8 17. Nf3 Be8 18. Qe2 Nd7 19. f5 Bf6 20. Nd4 Nf8 21. Qg4 Qe7 22. Rf3 Kh8 23. Rcf1 b5 24. fxe6 fxe6 25. Nce2 Bd7 26. Ng3 Ng6 27. Qh5 Ne5 28. R3f2 bxc4 29. bxc4 Nxc4 30. Qe2 Nxe3 31. Qxe3 Rc4 32. Nde2 Rc5 33. Nd4 Rdc8 34. Nge2 Kg8 35. Rb1 Be8 36. Rff1 Bf7 37. Rb6 a5 38. Rfb1 Qd7 39. Rb7 R5c7 40. R7b5 a4 41. Qa3 Be8 42. Rb6 Rd8 43. Ra6 Rc4 44. Nf3 Rxe4 45. Ng3 Rc4 0-1

[Event "WchT U20 3rd"]
[Site "Rio de Janeiro"]
[Date "2000.08.08"]
[Round "2"]
[White "Zarza, Ronald"]
[Black "Quintanilha, Rafael"]
[Result "0-1"]
[ECO "C97"]
[WhiteElo "2000"]
[BlackElo "2000"]
[PlyCount "84"]
[EventDate "2000.08.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[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 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Nc4 14. Ng3 g6 15. d5 Ne8 16. b3 Nb6 17. Nh2 f5 18. exf5 gxf5 19. Bh6 Ng7 20. Nh5 Bf6 21. g4 Rf7 22. Nxf6+ Rxf6 23. g5 Rf7 24. Qd2 Bc8 25. Nf1 f4 26. g6 hxg6 27. Bxg6 Rf6 28. Qd3 Nf5 29. Bxf4 Rxg6+ 30. Bg3 Qh7 31. Kg2 Nxg3 32. Nxg3 Bxh3+ 33. Kg1 Ra7 34. Re3 Rag7 35. Qd2 Qh4 36. Qd3 Nc8 37. a4 c4 38. bxc4 bxc4 39. Qe2 Ne7 40. Re4 Rxg3+ 41. fxg3 Qxg3+ 42. Kh1 Rh7 0-1

[Event "WchT U20 3rd"]
[Site "Rio de Janeiro"]
[Date "2000.08.07"]
[Round "1"]
[White "Felgaer, Ruben Alejandro"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2375"]
[BlackElo "2000"]
[PlyCount "49"]
[EventDate "2000.08.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. dxc5 Nc6 6. Nf3 Qc7 7. Bd2 Bxc3 8. Bxc3 Nge7 9. Bd3 Bd7 10. 0-0 Ng6 11. Re1 0-0-0 12. b4 d4 13. Bd2 f6 14. Bxg6 hxg6 15. Qe2 Rh5 16. exf6 gxf6 17. Rab1 Rdh8 18. h3 e5 19. b5 Ne7 20. b6 axb6 21. cxb6 Qc6 22. Nxd4 Qd5 23. Qe4 exd4 24. Qxe7 Bxh3 25. Qc7# 1-0

[Event "Pan American-ch U18"]
[Site "Matinhos"]
[Date "1999.10.07"]
[Round "7"]
[White "Bustamante Casas, Richard"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "73"]
[EventDate "1999.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 072 Extra"]
[Source "ChessBase"]
[SourceDate "1999.11.18"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.18"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 0-0 5. 0-0 d6 6. Qe2 Nbd7 7. c3 c5 8. a4 cxd4 9. exd4 b6 10. Bg5 Bb7 11. Nbd2 Re8 12. Ne4 Qc7 13. Rfe1 h6 14. Nxf6+ Nxf6 15. Bh4 Rac8 16. Bb5 Bc6 17. a5 Qd7 18. Bxc6 Rxc6 19. Qb5 g5 20. Bg3 Qb7 21. a6 Qc8 22. h4 g4 23. Nd2 e5 24. dxe5 Rc5 25. Qf1 dxe5 26. Nb3 Rd5 27. c4 Rdd8 28. Bxe5 Nd7 29. Bxg7 Kxg7 30. Rxe8 Rxe8 31. Nd4 Nc5 32. b4 Ne4 33. Qd3 Nd6 34. b5 Qxc4 35. Nf5+ Kh8 36. Qxd6 Qc3 37. Qd4+ 1-0

[Event "Pan American-ch U18"]
[Site "Matinhos"]
[Date "1999.10.06"]
[Round "6"]
[White "Zarza, Ronald"]
[Black "Munoz, Marco"]
[Result "0-1"]
[ECO "B45"]
[BlackElo "2205"]
[PlyCount "72"]
[EventDate "1999.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 072 Extra"]
[Source "ChessBase"]
[SourceDate "1999.11.18"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bc5 7. Nd6+ Ke7 8. Bf4 Qb6 9. Nc4 Bxf2+ 10. Ke2 Qd4 11. Kf3 d5 12. exd5 exd5 13. Qxd4 Bxd4 14. Re1+ Be6 15. Ne3 Bxc3 16. bxc3 Rhd8 17. Bd3 Kf8 18. Rb1 d4 19. cxd4 Nxd4+ 20. Kf2 b6 21. a3 Rac8 22. Rb2 Rc5 23. h3 Ra5 24. Ra1 Nb3 25. cxb3 Rxd3 26. Ke2 Rxb3 27. Rd2 Ne4 28. Rd4 Nc3+ 29. Kf1 Nb5 30. Rd8+ Ke7 31. Rad1 Raxa3 32. Kf2 Ra2+ 33. Kg1 Re2 34. Ng4 Rbb2 35. Ne5 Rxg2+ 36. Kh1 Rgc2 0-1

[Event "Pan American-ch U18"]
[Site "Matinhos"]
[Date "1999.10.05"]
[Round "5"]
[White "Capuano Neto, Fausto"]
[Black "Zarza, Ronald"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "120"]
[EventDate "1999.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 072 Extra"]
[Source "ChessBase"]
[SourceDate "1999.11.18"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.18"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 b5 9. Nf1 a5 10. e5 Nd7 11. h4 b4 12. Bf4 Ba6 13. N1h2 a4 14. Ng5 Qe8 15. Qh5 Bxg5 16. Qxg5 h6 17. Qg4 Kh7 18. Qd1 Ne7 19. g4 Rh8 20. g5 Nf5 21. gxh6 gxh6 22. Ng4 Rg8 23. h5 Qe7 24. Bh3 Qh4 25. Kg2 d4 26. Rg1 Qxh5 27. Kh2 Bb7 28. a3 Nh4 29. Rg3 Nf5 30. Rg1 Rg6 31. axb4 cxb4 32. Qe2 Rag8 33. Rxa4 Nh4 34. Rg3 Nf3+ 35. Rxf3 Bxf3 36. Qxf3 Rxg4 37. Ra7 Rg2+ 38. Qxg2 Rxg2+ 39. Kxg2 Nxe5 40. Bxe5 Qxe5 41. Rxf7+ Kg6 42. Rf3 Qe2 43. b3 e5 44. Be6 Qxc2 45. Kg3 Qc6 46. Bf5+ Kg7 47. Be4 Qe6 48. Rf5 Qxb3 49. Rxe5 Qc3 50. Re7+ Kf8 51. Rb7 b3 52. Kf4 b2 53. Ke5 Qc1 54. Rb8+ Ke7 55. Rb7+ Kd8 56. Kxd4 b1Q 57. Rxb1 Qxb1 58. f4 h5 59. Ke5 Ke7 60. f5 Qb2+ 0-1

[Event "Pan American-ch U18"]
[Site "Matinhos"]
[Date "1999.10.04"]
[Round "4"]
[White "Zarza, Ronald"]
[Black "Lenoir Ibacache, Gabriel Alberto"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "83"]
[EventDate "1999.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 072 Extra"]
[Source "ChessBase"]
[SourceDate "1999.11.18"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. a4 Qc7 9. 0-0 Be6 10. Be3 Nbd7 11. f4 0-0 12. Kh1 b6 13. f5 Bc4 14. g4 Bxe2 15. Qxe2 Qb7 16. Qf3 d5 17. exd5 Bb4 18. g5 Bxc3 19. bxc3 e4 20. Qg2 Nxd5 21. Bd4 Qc7 22. f6 Rfe8 23. fxg7 Rac8 24. g6 fxg6 25. Qg5 Ne5 26. c4 Nb4 27. Rf8+ Rxf8 28. gxf8Q+ Rxf8 29. Qxe5 Qxe5 30. Bxe5 Re8 31. Bc3 Nxc2 32. Rc1 Ne3 33. Bd4 Nf5 34. Bxb6 e3 35. Re1 Re4 36. a5 Rxc4 37. Nc5 Nh4 38. h3 Rc2 39. Rxe3 Rc1+ 40. Kh2 Rc2+ 41. Kg1 Nf5 42. Rd3 1-0

[Event "Pan American-ch U18"]
[Site "Matinhos"]
[Date "1999.10.03"]
[Round "3"]
[White "Zarza, Ronald"]
[Black "Cubas, Jose Fernando"]
[Result "0-1"]
[ECO "B92"]
[BlackElo "2206"]
[PlyCount "94"]
[EventDate "1999.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 072 Extra"]
[Source "ChessBase"]
[SourceDate "1999.11.18"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Be3 Be6 10. f4 Qc7 11. Kh1 b5 12. a3 Nbd7 13. Nd2 exf4 14. Bxf4 Ne5 15. h3 Rfd8 16. Nf3 Qb7 17. Bd3 Nc4 18. b3 Nb2 19. Qe2 Rac8 20. Rfb1 Nxd3 21. Qxd3 d5 22. e5 Ne4 23. Nd1 Bf5 24. Kh2 Ng3 25. Qd4 Bc5 26. Qb2 Ne2 27. Be3 d4 28. Bg5 Be7 29. Bxe7 Qxe7 30. c4 dxc3 31. Qxe2 Bxb1 32. Rxb1 c2 33. Rc1 cxd1Q 34. Rxd1 Rxd1 35. Qxd1 Qxa3 36. Qd7 Qc5 37. b4 Qc6 38. Qd4 h6 39. Qf4 Qc4 40. Qf5 Qe6 41. Qd3 Qc4 42. Qd6 Qf4+ 43. Kg1 Rc1+ 44. Kf2 Rc2+ 45. Kg1 Qe3+ 46. Kh1 Rc1+ 47. Kh2 Qf4+ 0-1

[Event "Pan American-ch U18"]
[Site "Matinhos"]
[Date "1999.10.02"]
[Round "2"]
[White "Sant'Anna, Eddie"]
[Black "Zarza, Ronald"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2095"]
[PlyCount "99"]
[EventDate "1999.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 072 Extra"]
[Source "ChessBase"]
[SourceDate "1999.11.18"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 c6 5. Nc3 Nf6 6. cxd5 Nxd5 7. Bc4 Nb6 8. Bb3 Be7 9. Nf3 0-0 10. Ne5 N8d7 11. Qh5 Nxe5 12. dxe5 Qd3 13. Qe2 Bf5 14. Bf4 Bb4 15. Qxd3 Bxd3 16. 0-0-0 Bf5 17. Na4 Nxa4 18. Bxa4 Be6 19. Bb3 Bxb3 20. axb3 Bc5 21. f3 Rad8 22. Kc2 h6 23. Bg3 Rd5 24. Rxd5 cxd5 25. f4 g6 26. Kd3 a5 27. Be1 b6 28. Bc3 h5 29. Rc1 Ra8 30. h3 Kf8 31. g4 hxg4 32. hxg4 Ke7 33. Rh1 Ke6 34. Rh7 Ra7 35. Rh8 Rc7 36. Rd8 Rd7 37. Rc8 Ke7 38. Bxa5 bxa5 39. Rxc5 Rb7 40. Rxd5 Rxb3+ 41. Kc2 Rb4 42. f5 Rxg4 43. fxg6 fxg6 44. Rxa5 g5 45. Kd3 Ke6 46. Rb5 Rg1 47. Ke2 Rg4 48. Kf3 Rf4+ 49. Ke3 Rf5 50. Ke4 1/2-1/2

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1999.09.26"]
[Round "10"]
[White "Zarza, Ronald"]
[Black "Bergonzi, Osvaldo"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2180"]
[PlyCount "101"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be2 Nf6 5. h4 c5 6. dxc5 Qa5 7. Kf1 Qxc5 8. Be3 Qa5 9. h5 Nc6 10. h6 Bf8 11. Nh3 e6 12. Bg5 Be7 13. Bxf6 Bxf6 14. Nb5 0-0 15. Bd3 d5 16. exd5 exd5 17. Nf4 a6 18. Nxd5 Bxb2 19. Nbc7 Be6 20. Rb1 Bd4 21. c4 b5 22. Nxa8 Rxa8 23. cxb5 axb5 24. Rxb5 Qxa2 25. Ne3 Rd8 26. Qe2 Bxe3 27. Qxa2 Bxa2 28. Rb2 Be6 29. fxe3 Rxd3 30. Kf2 f5 31. Rc1 Ne5 32. Rc7 Rd7 33. Rb8+ Kf7 34. Rxd7+ Bxd7 35. Rh8 Ng4+ 36. Kg1 Nf6 37. Ra8 Ng8 38. Ra7 Ke7 39. Ra8 Kf7 40. Ra7 Nf6 41. Kf2 g5 42. Kg3 Kg6 43. Ra6 Bb5 44. Rb6 Bd3 45. Kf3 Kf7 46. Kg3 Ng4 47. Rb7+ Kg6 48. Rb6+ Kh5 49. Re6 Nxe3 50. Kf2 Ng4+ 51. Kg1 0-1

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1999.09.26"]
[Round "11"]
[White "Zarza, Ronald"]
[Black "Riquelme, Andres"]
[Result "1-0"]
[ECO "C93"]
[PlyCount "71"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. 0-0 Be7 7. Re1 d6 8. c3 0-0 9. h3 Bb7 10. d4 h6 11. Nbd2 Re8 12. Nf1 Bf8 13. Ng3 Na5 14. Bc2 Nc4 15. a4 c5 16. d5 Nb6 17. Nf5 Bc8 18. g4 Rb8 19. a5 Bxf5 20. gxf5 Nbd7 21. Kh2 Kh7 22. Rg1 Be7 23. Be3 Rg8 24. Qe2 g6 25. fxg6+ fxg6 26. Rg2 Qe8 27. Rag1 Qf7 28. Nh4 Nf8 29. Qf3 g5 30. Nf5 Re8 31. Nxh6 Kxh6 32. Qf5 Qh5 33. Rxg5 Rxg5 34. Bxg5+ Kg7 35. Bxf6+ Kf7 36. Rg7# 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1999.09.25"]
[Round "9"]
[White "Acevedo, Victor"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2085"]
[PlyCount "79"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 b5 9. e5 Nd7 10. Nf1 a5 11. h4 b4 12. N1h2 Ba6 13. Ng4 a4 14. a3 Nb6 15. c3 Na5 16. Bg5 Bxg5 17. Nxg5 h6 18. Nh3 Nb3 19. Rb1 bxa3 20. bxa3 Rb8 21. Nf4 Bb7 22. Nh5 Nd7 23. Nxh6+ Kh7 24. Ng4 Qe7 25. Qe2 Kh8 26. Qe3 d4 27. Qf4 f5 28. exf6 Nxf6 29. Ngxf6 gxf6 30. Bxb7 Rxb7 31. Qh6+ Qh7 32. Qxf8+ Qg8 33. Qxg8+ Kxg8 34. cxd4 cxd4 35. Rxe6 Rc7 36. Rxf6 Rc3 37. Nf4 Nd2 38. Rb7 Rc8 39. Rff7 Nf3+ 40. Kg2 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1999.09.25"]
[Round "8"]
[White "Zarza, Ronald"]
[Black "Pecci, Raul"]
[Result "1-0"]
[ECO "B78"]
[PlyCount "61"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. g4 Nc4 13. Qe2 b5 14. Ndxb5 Nxb2 15. Kxb2 Bxb5 16. Qxb5 Nxe4 17. fxe4 Rxc3 18. Bd4 Qc7 19. Bxg7 Kxg7 20. Qd5 Rc5 21. Qd4+ f6 22. h4 Rb8 23. Rd2 h6 24. Rg2 e5 25. Qe3 a5 26. g5 fxg5 27. hxg5 h5 28. a4 Qb6 29. Qh3 Rc4 30. Rd1 Rxa4 31. Qd7+ 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1999.09.19"]
[Round "7"]
[White "Figari, Esteban"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2160"]
[PlyCount "81"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6 7. Ne2 Ba6 8. Bxa6 Nxa6 9. 0-0 Qc7 10. f4 0-0-0 11. Nf3 h6 12. Bd2 f6 13. b4 c4 14. a4 Be7 15. b5 Nab8 16. a5 g5 17. axb6 Nxb6 18. Bc1 g4 19. Ne1 Rdf8 20. Nc2 fxe5 21. dxe5 d4 22. Ncxd4 Bc5 23. Kh1 Rd8 24. Qc2 Qe7 25. Qg6 Rdf8 26. Qe4 Nd5 27. f5 Bxd4 28. Qxd4 Nb6 29. f6 Qb7 30. Ba3 N8d7 31. Bd6 Rd8 32. Nf4 Nf8 33. Qc5+ Kd7 34. Rad1 Ke8 35. Bxf8 Rxd1 36. Rxd1 Rxf8 37. Nxe6 Rh8 38. Nc7+ Kf7 39. Qe7+ Kg6 40. Qg7+ Kf5 41. Rf1+ 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1999.09.19"]
[Round "6"]
[White "Zarza, Ronald"]
[Black "Cabral, Guillermo"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "98"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 Nc6 6. Ne2 e6 7. 0-0 Bd6 8. Bg5 0-0 9. Qc2 h6 10. Bh4 Bd7 11. Nd2 Rc8 12. Qd1 Be7 13. Nf3 a6 14. Bxf6 Bxf6 15. Nf4 b5 16. Bc2 Bg5 17. Qd3 f5 18. Ng6 Rf6 19. Nfe5 Nxe5 20. Nxe5 Bf4 21. Rfe1 Be8 22. g3 Bxe5 23. Rxe5 Bg6 24. Qe2 Bf7 25. a4 Qb6 26. axb5 axb5 27. Bd3 Be8 28. Re1 Bd7 29. Qf3 Kh8 30. Qd1 Ra8 31. Qb3 Qa5 32. R5e2 Rff8 33. Rxe6 Bxe6 34. Rxe6 Rab8 35. Qxd5 Qa1+ 36. Kg2 Qxb2 37. Bxf5 Qd2 38. Rg6 Rg8 39. h4 b4 40. cxb4 Qxb4 41. Be6 Rb5 42. Qe4 Re8 43. Rg4 Rf8 44. Qg6 Qe7 45. d5 Rb2 46. Bf5 Rxf2+ 47. Kxf2 Qc5+ 48. Kf1 Qb5+ 49. Kg2 Qe2+ 1/2-1/2

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1999.09.18"]
[Round "5"]
[White "Cardozo, Pedro"]
[Black "Zarza, Ronald"]
[Result "0-1"]
[ECO "D94"]
[PlyCount "112"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 0-0 6. Be2 c5 7. dxc5 Qa5 8. 0-0 dxc4 9. Bxc4 Qxc5 10. Be2 Nc6 11. Qb3 Be6 12. Qb5 Qd6 13. b3 a6 14. Qa4 b5 15. Qh4 b4 16. Na4 h6 17. Bb2 g5 18. Qg3 Qxg3 19. hxg3 g4 20. Nd4 Nxd4 21. Bxd4 Nd7 22. Bxg7 Kxg7 23. Nb2 Ne5 24. Nd3 Nxd3 25. Bxd3 a5 26. Rfd1 a4 27. Bc2 Rac8 28. Rdc1 Rc3 29. Bd1 axb3 30. Bxb3 Bxb3 31. Rxc3 bxc3 32. axb3 Rb8 33. Rc1 Rxb3 34. Kf1 Kf6 35. Ke2 Rb2+ 36. Ke1 Rb3 37. Ke2 Ke5 38. Kd3 Rb2 39. Rc2 Kd5 40. Kxc3 Rxc2+ 41. Kxc2 Kc4 42. Kd2 e5 43. e4 Kd4 44. f3 h5 45. Ke2 Kc3 46. Ke3 Kc2 47. Ke2 f6 48. Ke3 Kd1 49. f4 Ke1 50. Kd3 Kf2 51. Kc4 Kxg3 52. fxe5 fxe5 53. Kd5 Kxg2 54. Kxe5 Kf2 55. Kd6 g3 56. e5 g2 0-1

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1999.09.18"]
[Round "4"]
[White "Ferreira, Oscar Vieira"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "2125"]
[PlyCount "67"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 a6 8. Bf4 b5 9. Qb3 Bb7 10. d5 c5 11. a3 Nbd7 12. Be2 Nb6 13. 0-0 c4 14. Qc2 Rc8 15. Rad1 Nh5 16. Be3 Qc7 17. e5 f5 18. Ng5 Bxe5 19. Ne6 Qd6 20. Bxh5 gxh5 21. Nxf8 Rxf8 22. Bxb6 Qxb6 23. Qe2 Qf6 24. Rfe1 Bxc3 25. bxc3 Qxc3 26. Qxe7 Qg7 27. Qxg7+ Kxg7 28. d6 Be4 29. f3 Bd3 30. Re7+ Kg6 31. Rde1 Rd8 32. R1e6+ Kg5 33. Rg7+ Kh4 34. Rh6 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1999.09.12"]
[Round "3"]
[White "Riego Prieto, Victorio"]
[Black "Zarza, Ronald"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2205"]
[PlyCount "97"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. e5 c5 4. Nf3 Nc6 5. d3 Nh6 6. Nc3 Be7 7. g3 Nf5 8. Bg2 Rb8 9. 0-0 b5 10. Ne2 c4 11. d4 b4 12. c3 a5 13. Qe1 a4 14. Bd2 a3 15. bxa3 bxc3 16. Bxc3 Ne3 17. a4 Nxf1 18. Bxf1 Bb4 19. g4 Qa5 20. Bxb4 Qxb4 21. Nc3 Qa3 22. Bg2 Ba6 23. f5 Qe7 24. g5 Qa7 25. Qd2 Nb4 26. Rb1 Nd3 27. Nb5 Bxb5 28. axb5 Qa4 29. b6 Qa6 30. g6 hxg6 31. fxg6 Rxb6 32. gxf7+ Kxf7 33. Rf1 Rb2 34. Qg5 Rxg2+ 35. Kxg2 Qa7 36. Qg4 Rh6 37. Ng5+ Ke8 38. h4 Qxa2+ 39. Kg1 Qd2 40. Nxe6 Qe3+ 41. Kh2 Qd2+ 42. Kh1 Nf2+ 43. Rxf2 Qxf2 44. Nxg7+ Kf8 45. Nf5 Qf1+ 46. Kh2 Qf2+ 47. Kh3 Qf1+ 48. Kh2 Qf2+ 49. Kh3 1/2-1/2

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1999.09.12"]
[Round "2"]
[White "Zarza, Ronald"]
[Black "Portillo, Cesar"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "113"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e4 Bg7 5. c3 0-0 6. Bd3 d5 7. f3 Re8 8. Ne2 c6 9. 0-0 Nd7 10. Na3 Qe7 11. Qd2 Nf8 12. Rae1 h5 13. exd5 Qe3+ 14. Qxe3 Rxe3 15. Nf4 Rxe1 16. Rxe1 cxd5 17. Nxd5 Ne6 18. Nb5 Bd7 19. Nd6 Bc6 20. Ne7+ Kf8 21. Nxg6+ fxg6 22. Rxe6 Bd5 23. Re1 f5 24. Bc4 Rd8 25. Bxd5 Rxd6 26. Bb3 Bh6 27. Kf2 Bd2 28. Re2 Bc1 29. Ke1 f4 30. Kd1 Be3 31. g3 g5 32. gxf4 Bxf4 33. h3 Rf6 34. Re6 Rxe6 35. Bxe6 Ke7 36. Bd5 b6 37. b3 Kd6 38. Be4 a5 39. Ke2 Bc1 40. a4 Bf4 41. Kd3 Bc1 42. Bg6 h4 43. c4 Bf4 44. Ke4 Bc1 45. Kf5 Be3 46. d5 Bd2 47. Kf6 Bf4 48. Kf7 Bd2 49. Ke8 Bf4 50. Kd8 Be3 51. Kc8 Bf4 52. Kb7 Kc5 53. Bc2 Be5 54. Kc8 Bd6 55. Kd7 Bf4 56. Ke6 Bb8 57. Kf5 1/2-1/2

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1999.09.11"]
[Round "1"]
[White "Zarza, Ronald"]
[Black "Martinez, M Catalino"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "2023"]
[PlyCount "91"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. h4 c5 6. dxc5 Qa5 7. Kf1 Qxc5 8. Be3 Qa5 9. h5 gxh5 10. Nh3 Ng4 11. Nd5 Nxe3+ 12. Nxe3 Be6 13. Nf4 h4 14. Nxe6 fxe6 15. Rxh4 Nc6 16. Rh5 Qb4 17. Rb5 Qxe4 18. Bf3 Qf4 19. Bh5+ Kd8 20. Rxb7 Rf8 21. Bf3 Ne5 22. Rb4 Qxb4 23. Bxa8 Bh6 24. Kg1 Qh4 25. Qe1 Rg8 26. c4 d5 27. Qa5+ Ke8 28. Qb5+ Kf7 29. cxd5 Nf3+ 30. Kf1 Qh1+ 31. Ke2 Nd4+ 32. Kd3 Nxb5 33. dxe6+ Kg6 34. Be4+ Kf6 35. Rxh1 Bxe3 36. Kxe3 Kxe6 37. Rxh7 Nd6 38. g3 Rb8 39. b3 Rf8 40. f3 Rg8 41. g4 Kf6 42. Rh5 e5 43. Rh6+ Kf7 44. Rh7+ Kf6 45. Rxa7 Nb5 46. Ra6+ 1-0

[Event "Rio de Janeiro tt U20"]
[Site "Rio de Janeiro"]
[Date "1999.??.??"]
[Round "1"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Zarza, Ronald"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2236"]
[PlyCount "111"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. c3 d6 6. e4 Nbd7 7. Bc4 c5 8. e5 Ne8 9. Qe2 dxe5 10. dxe5 Nb6 11. Bb3 Qc7 12. 0-0 Bg4 13. Bf4 e6 14. Rad1 Nd5 15. Bg3 Qc6 16. h3 Bxf3 17. Qxf3 f5 18. Bxd5 exd5 19. Nb3 Nc7 20. Qe3 Ne6 21. f4 b6 22. Qf3 Rad8 23. c4 Nc7 24. Rd2 Qa8 25. Bh4 Rd7 26. cxd5 Rxd5 27. Qc3 Rxd2 28. Qxd2 Qd5 29. Qe2 Ne6 30. Be7 Re8 31. Bh4 c4 32. Nd2 b5 33. Kh1 Qd4 34. Qf2 Qxb2 35. Rb1 Qxa2 36. Rxb5 c3 37. Nb3 Qb1+ 38. Kh2 c2 39. Qd2 c1Q 40. Qxc1 Qxc1 41. Nxc1 Nxf4 42. Bg3 Bh6 43. Nb3 Nd3 44. Rd5 f4 45. Rxd3 fxg3+ 46. Kxg3 Rxe5 47. Kf2 Kf7 48. Nd4 Bf8 49. Nc6 Bc5+ 50. Kf3 Re1 51. Rd7+ Kf6 52. g4 Re3+ 53. Kg2 Ra3 54. Rxh7 a5 55. h4 a4 56. Nd8 1/2-1/2

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "1999.??.??"]
[Round "4"]
[White "Bergonzi, Osvaldo"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2180"]
[PlyCount "55"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 Be7 9. 0-0 0-0 10. Qe2 b6 11. Bg5 Bb7 12. Rad1 h6 13. Bh4 Kh8 14. Bg3 Bd6 15. Ne5 Nd7 16. Qh5 Bxe5 17. dxe5 Qe7 18. Bh4 Qc5 19. Rfe1 Bc6 20. Re3 Qd5 21. Bf1 Qxa2 22. Bf6 Nxf6 23. exf6 Qxb2 24. c3 Qc2 25. fxg7+ Kxg7 26. Rg3+ Kh8 27. Qxh6+ Qh7 28. Qf6+ 1-0

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "1999.??.??"]
[Round "3"]
[White "Cardozo, Pedro"]
[Black "Zarza, Ronald"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "60"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Bc4 Nc6 4. f4 Nf6 5. d3 Bg4 6. Nf3 e6 7. h3 Bxf3 8. Qxf3 Nd4 9. Qf2 a6 10. Be3 d5 11. Bb3 Nxb3 12. axb3 d4 13. e5 dxe3 14. Qxe3 Nd5 15. Qe4 Qd7 16. 0-0 Be7 17. g4 Nb4 18. Rac1 Qd4+ 19. Qxd4 cxd4 20. Ne4 Rc8 21. Rf2 0-0 22. Rd2 Rfd8 23. f5 exf5 24. gxf5 f6 25. e6 Rd5 26. Ng3 Bd6 27. Ne4 Bf4 28. Rg2 Bxc1 29. Nxf6+ Kh8 30. c3 gxf6 0-1

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "1999.??.??"]
[Round "6"]
[White "Espinoza, Edgar"]
[Black "Zarza, Ronald"]
[Result "1/2-1/2"]
[ECO "B87"]
[WhiteElo "2065"]
[PlyCount "97"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[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 a6 6. Bc4 e6 7. Bb3 b5 8. 0-0 b4 9. Na4 Nxe4 10. f4 Nc5 11. f5 Nxb3 12. fxe6 Bxe6 13. Nxe6 fxe6 14. Qf3 Ra7 15. axb3 Qe7 16. Be3 Rc7 17. Qa8 Rb7 18. Ba7 Qc7 19. Bxb8 Rxb8 20. Qxa6 Be7 21. Qd3 Bf6 22. Rae1 e5 23. Qd5 Rf8 24. Re4 Be7 25. Rxf8+ Kxf8 26. Re2 Bf6 27. g3 Ke7 28. Kg2 Qb7 29. Rd2 Qxd5+ 30. Rxd5 Ke6 31. Ra5 Bd8 32. Ra7 Bf6 33. Kf3 Rc8 34. c3 bxc3 35. bxc3 d5 36. Ra6+ Kf5 37. g4+ Kg5 38. Kg3 h6 39. h4+ Kg6 40. Rd6 d4 41. h5+ Kf7 42. cxd4 exd4 43. Kf3 Re8 44. Rd7+ Kg8 45. Nc5 Re3+ 46. Kf4 Rc3 47. Ne4 Rxb3 48. Nxf6+ gxf6 49. Rxd4 1/2-1/2

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "1999.??.??"]
[Round "8"]
[White "Portillo, Cesar"]
[Black "Zarza, Ronald"]
[Result "0-1"]
[ECO "D80"]
[PlyCount "158"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[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 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. Qd2 Bg7 7. 0-0-0 h6 8. Bh4 g5 9. Bg3 f5 10. e3 e5 11. dxe5 Qxd2+ 12. Rxd2 Nc6 13. f4 exf3 14. Nxf3 0-0 15. Be2 Re8 16. Rhd1 Be6 17. Nd4 Nxe5 18. Nxe6 Rxe6 19. c5 Re7 20. Rf1 Ng4 21. Rxf5 Nxe3 22. Rf3 Rf8 23. Rxf8+ Kxf8 24. Bh5 Bf6 25. Bf3 b6 26. cxb6 axb6 27. b3 Nf1 28. Rd8+ Kg7 29. Bf2 Nxh2 30. Bd5 Ng4 31. Bg3 Ne3 32. Bc6 Nf5 33. Bh2 Nd4 34. Bf3 Nxf3 35. gxf3 Re1+ 36. Kd2 Bxd8 37. Kxe1 Kf6 38. Ke2 Ke6 39. Kd3 Kd5 40. a3 c6 41. a4 Kc5 42. Be5 Kb4 43. Kc2 Kc5 44. Kd3 Kd5 45. Bg3 b5 46. Be1 bxa4 47. bxa4 h5 48. a5 h4 49. a6 Bb6 50. Ke2 Kc4 51. Bd2 h3 52. Kf1 Kb5 53. Bxg5 Kxa6 54. Bd2 Kb5 55. f4 Kc4 56. f5 Kd3 57. Bg5 Ke4 58. f6 Kf3 59. f7 Bc5 60. f8Q+ Bxf8 61. Kg1 Bd6 62. Bc1 h2+ 63. Kh1 Ke2 64. Kg2 Be5 65. Ba3 Kd3 66. Bc5 Kc4 67. Be7 Kd5 68. Ba3 Bd6 69. Bc1 c5 70. Ba3 c4 71. Bc1 c3 72. Bh6 c2 73. Bc1 Kc4 74. Kh1 Kb3 75. Kg2 Ka2 76. Kh1 Kb1 77. Bd2 Ba3 78. Kxh2 Bc1 79. Bb4 Be3 0-1

[Event "Rio de Janeiro tt U20"]
[Site "Rio de Janeiro"]
[Date "1999.??.??"]
[Round "4"]
[White "Siviotti, Leonardo"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "D97"]
[PlyCount "115"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 dxc4 5. Qxc4 Bg7 6. Nf3 0-0 7. e4 a6 8. e5 b5 9. Qb3 Nfd7 10. Be3 Nb6 11. Bd3 Be6 12. Qc2 Nc6 13. a3 Na5 14. Be4 Bb3 15. Qd3 Rc8 16. Nd2 Nbc4 17. Nxb3 Nxb3 18. Rb1 c5 19. Ne2 Nxd4 20. Bxd4 cxd4 21. f4 Qa5+ 22. b4 Qc7 23. h4 Ne3 24. h5 Qc4 25. hxg6 hxg6 26. Qd2 Nc2+ 27. Kf2 Rcd8 28. Bd3 Qd5 29. Bxc2 d3 30. Bb3 Qb7 31. Ng3 Qb6+ 32. Qe3 Rd4 33. Ne4 Rfd8 34. Kg3 Qc6 35. Ng5 e6 36. Rbc1 Qb7 37. Bxe6 d2 38. Rc3 fxe6 39. Rd1 Qd5 40. Nf3 Rd3 41. Rxd3 Qxd3 42. Qxd3 Rxd3 43. Rxd2 Rxa3 44. Rd8+ Kf7 45. Rd7+ Kf8 46. Kg4 Bh6 47. Nd4 Ke8 48. Rd6 Bf8 49. Rxe6+ Kf7 50. Rf6+ Kg8 51. Rxg6+ Kh7 52. Kf5 Bxb4 53. Nc2 Rb3 54. Nxb4 Rxb4 55. Rxa6 Rb1 56. e6 b4 57. e7 Re1 58. Re6 1-0

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "1999.??.??"]
[Round "9"]
[White "Sosa Harrison, Jorge"]
[Black "Zarza, Ronald"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2260"]
[PlyCount "73"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 c5 4. e3 Nc6 5. Be2 Bg4 6. 0-0 e6 7. d3 Be7 8. c4 0-0 9. Nc3 d4 10. exd4 cxd4 11. Nb5 Bxf3 12. Bxf3 e5 13. Re1 a6 14. Na3 Qc7 15. Nc2 Rfe8 16. a3 a5 17. Bc1 h6 18. Bd2 Bf8 19. b4 axb4 20. axb4 Rxa1 21. Qxa1 e4 22. Bxe4 Nxe4 23. dxe4 d3 24. Ne3 Nxb4 25. Qa4 Qc6 26. Qxc6 bxc6 27. f3 Bc5 28. Kf1 Ra8 29. Bxb4 Bxb4 30. Rb1 Bc5 31. Nd1 Ra2 32. Rb2 Ra1 33. Rd2 Rc1 34. Rxd3 Rxc4 35. Rc3 Rxc3 36. Nxc3 f6 37. Ne2 1/2-1/2

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "1999.??.??"]
[Round "5"]
[White "Zarza, Ronald"]
[Black "Aguirre, Edgar"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "65"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Qf6 5. 0-0 Nge7 6. d4 exd4 7. Bg5 Qd6 8. Bxe7 Nxe7 9. cxd4 Bb6 10. Nc3 a6 11. Bc4 0-0 12. e5 Qg6 13. Bd3 Qg4 14. h3 Qh5 15. Qe2 Ba5 16. Ne4 Nd5 17. Ng3 Qh6 18. Nf5 Qh5 19. g4 Qxh3 20. Ng5 Nf4 21. Nxh3 Nxe2+ 22. Bxe2 b5 23. Bf3 Rb8 24. Ne7+ Kh8 25. Nxc8 Rfxc8 26. Rac1 h6 27. Rc2 g6 28. Bd5 Kg7 29. Nf4 c6 30. Bg2 Bd8 31. Nd3 Be7 32. Nc5 Bxc5 33. Rxc5 1-0

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "1999.??.??"]
[Round "2"]
[White "Zarza, Ronald"]
[Black "Britez, Victor"]
[Result "1/2-1/2"]
[ECO "C72"]
[PlyCount "74"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. 0-0 d6 6. c3 b5 7. Bc2 Bb7 8. d4 Ng6 9. a4 Be7 10. Qe2 Na7 11. Na3 c6 12. Rd1 Qc7 13. Be3 0-0 14. axb5 axb5 15. Bd3 Nc8 16. Nc2 Nb6 17. b3 Nd7 18. c4 exd4 19. Ncxd4 bxc4 20. Rxa8 Rxa8 21. bxc4 c5 22. Nf5 Nde5 23. Nxe5 Nxe5 24. f4 Nxd3 25. Qxd3 Rd8 26. Bd2 Bf8 27. Ne3 Qe7 28. Bc3 f6 29. Nd5 Qf7 30. Ra1 Ra8 31. Rxa8 Bxa8 32. e5 fxe5 33. fxe5 dxe5 34. Bxe5 Qe6 35. Bg3 Bc6 36. Nc7 Qe4 37. Qxe4 Bxe4 1/2-1/2

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "1999.??.??"]
[Round "1"]
[White "Zarza, Ronald"]
[Black "Cubas Berdnavek, Rodrigo D"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "105"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 a6 8. a4 0-0 9. 0-0 Nxd4 10. cxd4 Ba7 11. e5 Qc6 12. Nd2 d5 13. Bd3 Bf5 14. Qe2 Qg6 15. Bxf5 Nxf5 16. Nf3 Qg4 17. Qd3 Qg6 18. Rac1 c6 19. Qb3 Rab8 20. Rfd1 h6 21. Rd3 Qg4 22. h3 Qg6 23. Bd2 Rfc8 24. Bb4 Nxd4 25. Nxd4 c5 26. Rg3 Qe4 27. Rg4 Qh7 28. e6 f5 29. Rg3 cxd4 30. Rxc8+ Rxc8 31. Qxd5 g5 32. e7+ Qf7 33. Qxb7 Qc4 34. Qxa7 Qxb4 35. Qd7 Qb8 36. Qxf5 Kg7 37. h4 Rc1+ 38. Kh2 Qe8 39. hxg5 h5 40. Qf6+ Kg8 41. g6 Re1 42. Qxd4 Qxe7 43. g7 Qf7 44. Rf3 Qc7+ 45. g3 Kh7 46. g8Q+ Kxg8 47. Qd5+ Kg7 48. Qg5+ Kh7 49. Qxh5+ Kg7 50. Qg4+ Kh8 51. Rf8+ Kh7 52. Qg8+ Kh6 53. Rf6+ 1-0

[Event "Rio de Janeiro tt U20"]
[Site "Rio de Janeiro"]
[Date "1999.??.??"]
[Round "2"]
[White "Zarza, Ronald"]
[Black "Mafra, Kaiser Luiz"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "126"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Re1 0-0 7. Bf1 Nc6 8. d3 e5 9. Bg5 h6 10. Bh4 Ne7 11. d4 Qc7 12. Na3 a6 13. Nc4 Rd8 14. dxe5 dxe5 15. Qc2 Nh5 16. Bxe7 Qxe7 17. Rad1 Bg4 18. Be2 Nf4 19. Ne3 Nxe2+ 20. Qxe2 Be6 21. Nd5 Bxd5 22. exd5 f6 23. Qd3 f5 24. d6 Qe6 25. Qd5 Qxd5 26. Rxd5 e4 27. Nd2 Bf8 28. d7 b5 29. Nb3 Ra7 30. Red1 c4 31. Na5 Rc7 32. b3 cxb3 33. axb3 Kf7 34. b4 Ke6 35. Nb3 Rcxd7 36. Rxd7 Rxd7 37. Nd4+ Kf7 38. Kf1 Bg7 39. Ke2 Bxd4 40. cxd4 Ke6 41. Ke3 Rc7 42. Ra1 Rc6 43. h3 Kd5 44. g4 Rc3+ 45. Kd2 Rxh3 46. gxf5 gxf5 47. Rxa6 Kxd4 48. Rf6 Rh5 49. Rc6 f4 50. Rf6 e3+ 51. fxe3+ fxe3+ 52. Ke2 Rh2+ 53. Ke1 Kd3 54. Rd6+ Kc3 55. Re6 e2 56. Re4 h5 57. Rf4 h4 58. Re4 h3 59. Rf4 Rh1+ 60. Kxe2 h2 61. Rh4 Ra1 62. Rh3+ Kxb4 63. Rh4+ Ka5 0-1

[Event "PAR-ch"]
[Site "Asuncion"]
[Date "1999.??.??"]
[Round "7"]
[White "Zarza, Ronald"]
[Black "Martinez, M Catalino"]
[Result "1/2-1/2"]
[ECO "B09"]
[BlackElo "2023"]
[PlyCount "18"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Qe2 0-0 9. Be3 Qa5 1/2-1/2

[Event "Rio de Janeiro tt U20"]
[Site "Rio de Janeiro"]
[Date "1999.??.??"]
[Round "5"]
[White "Zarza, Ronald"]
[Black "Spinoza, Edgar"]
[Result "0-1"]
[ECO "B28"]
[PlyCount "30"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8. exd5 e4 9. Be2 Nxd5 10. Qd4 0-0 11. Bc4 Nxc3 12. Bd2 b5 13. Bxc3 Qxd4 14. Nxd4 Bxc3+ 15. bxc3 bxc4 0-1

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1998.06.21"]
[Round "10"]
[White "Cardozo, D Cesar G"]
[Black "Zarza, Ronald"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "21"]
[EventDate "1998.06.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. e4 d6 6. Be2 c5 7. c3 Nbd7 8. 0-0 b6 9. Re1 Bb7 10. d5 Rc8 11. c4 1/2-1/2

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1998.06.21"]
[Round "11"]
[White "Zarza, Ronald"]
[Black "Bento, Robert"]
[Result "0-1"]
[ECO "B32"]
[PlyCount "58"]
[EventDate "1998.06.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[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 e5 5. Nb5 d6 6. Be2 a6 7. N5c3 Nf6 8. Bg5 Be7 9. Bxf6 Bxf6 10. Nd5 Bg5 11. Bd3 0-0 12. 0-0 Be6 13. Nbc3 Ne7 14. a4 Nxd5 15. exd5 Bd7 16. Ne4 Be7 17. Ng3 f5 18. c3 Qe8 19. a5 Qg6 20. Be2 f4 21. Bd3 Qh6 22. Ne4 f3 23. gxf3 Rf4 24. Qd2 Qh3 25. Rfe1 Rh4 26. Ng5 Qxh2+ 27. Kf1 Rf8 28. Bxh7+ Rxh7 29. Nxh7 Bb5+ 0-1

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1998.06.20"]
[Round "9"]
[White "Pustilnik, Iber"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "E97"]
[PlyCount "51"]
[EventDate "1998.06.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Nh5 10. Re1 f5 11. Ng5 Nf4 12. Bxf4 exf4 13. Rc1 h6 14. Ne6 Bxe6 15. dxe6 c6 16. Bf1 Be5 17. Qb3 Kh7 18. Rcd1 Qc7 19. exf5 Nxf5 20. Rxe5 d5 21. Rxf5 Rxf5 22. cxd5 f3 23. d6 Qd8 24. e7 Qd7 25. g3 Rf6 26. Ne4 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1998.06.20"]
[Round "8"]
[White "Zarza, Ronald"]
[Black "Medina, Vicente"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "110"]
[EventDate "1998.06.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qe2 dxc6 7. Nc3 Ne7 8. h4 Bb4 9. e5 Bxc3+ 10. bxc3 Qe6 11. c4 c5 12. Ba3 b6 13. 0-0-0 Bb7 14. Rh3 Ng6 15. Qd2 0-0 16. f4 Qg4 17. g3 Bf3 18. Re1 Ne7 19. e6 fxe6 20. Qd7 Nc6 21. Qxe6+ Qxe6 22. Rxe6 Nd4 23. Re7 Rfe8 24. Rxe8+ Rxe8 25. Kd2 Bg4 26. Rh1 Nf3+ 27. Kc1 Re1+ 28. Kb2 Nd2 29. Bg2 Rxh1 30. Bxh1 Nxc4+ 31. Kb3 Nxa3 32. Kxa3 Bd7 33. Bd5+ Kf8 34. Kb3 c6 35. Be4 Be6+ 36. Kb2 h6 37. Bxc6 Kf7 38. Be4 Kf6 39. a3 Bg4 40. Kc3 Be2 41. Kd2 Bc4 42. g4 Be6 43. g5+ hxg5 44. hxg5+ Ke7 45. Ke3 Bd7 46. f5 b5 47. c3 a5 48. Kf4 b4 49. cxb4 axb4 50. axb4 cxb4 51. Bc2 Bc6 52. Ke5 Bd7 53. Bb3 Bb5 54. f6+ gxf6+ 55. gxf6+ Kf8 1/2-1/2

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1998.06.14"]
[Round "7"]
[White "Saldana, Fernando Javier"]
[Black "Zarza, Ronald"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "90"]
[EventDate "1998.06.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Bg4 6. Be3 Nc6 7. a3 Nge7 8. Nbd2 Nf5 9. Nb3 Nxe3 10. fxe3 Qe7 11. Qe2 0-0-0 12. 0-0 Rde8 13. Rae1 Kb8 14. c4 dxc4 15. Bxc4 f5 16. Qc2 g5 17. Bb5 Bxf3 18. Rxf3 Qe6 19. Nc5 Nxd4 20. Nxe6 Nxc2 21. Re2 Rxe6 22. Rxc2 f4 23. exf4 Bxf4 24. g3 Be3+ 25. Kg2 c6 26. Bc4 Re7 27. h3 Rd8 28. Bb3 Rd2+ 29. Rxd2 Bxd2 30. Rd3 Bc1 31. Rd8+ Kc7 32. Rd3 Bxb2 33. Bd1 Rd7 34. Rxd7+ Kxd7 35. a4 b5 36. Kf3 Ke6 37. Ke4 bxa4 38. Bxa4 c5 39. Kd3 Ke5 40. Bd7 Bd4 41. h4 Bf2 42. hxg5 Bxg3 43. Bc6 Bf4 44. Kc4 Be3 45. Bd7 Bxg5 1/2-1/2

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1998.06.14"]
[Round "6"]
[White "Zarza, Ronald"]
[Black "Montanaro Uchoa, Hazael"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "101"]
[EventDate "1998.06.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qe2 Qxc6 7. Nc3 Nf6 8. Bf4 0-0 9. g3 d6 10. Bg2 Bg4 11. Qd3 Qd7 12. 0-0 Rfe8 13. Rfe1 h6 14. e5 dxe5 15. Bxe5 Qxd3 16. cxd3 c6 17. Bxf6 gxf6 18. Ne4 Bd4 19. Nd6 Rf8 20. Re4 Be5 21. Rxg4+ Kh7 22. Nxb7 Rab8 23. Bxc6 Bxb2 24. Re1 Be5 25. Ra4 Rfc8 26. Be4+ Kg7 27. Rxa7 Bd4 28. Ra4 Be5 29. Rc4 Rxc4 30. dxc4 Bc3 31. Re2 Rc8 32. Bd5 Be5 33. f4 Bd4+ 34. Kg2 Rc7 35. Nd6 Rd7 36. Nf5+ Kg6 37. Nxd4 h5 38. Kf3 Ra7 39. Nc6 Ra3+ 40. Kf2 Ra6 41. Nd8 Ra7 42. Nxf7 Rxf7 43. Bxf7+ Kxf7 44. c5 f5 45. c6 h4 46. c7 h3 47. c8Q Kg6 48. Qc6+ Kh5 49. Qe8+ Kg4 50. Qg8+ Kh5 51. Qg5# 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1998.06.13"]
[Round "5"]
[White "Abdo, Luis"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "A68"]
[PlyCount "53"]
[EventDate "1998.06.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. Bd3 exd5 9. cxd5 a6 10. a4 Nbd7 11. 0-0 Re8 12. Re1 Qc7 13. Nd2 Nh5 14. g3 Bd4+ 15. Kg2 Ndf6 16. Nf3 Bg4 17. Ne2 Qd7 18. Nexd4 cxd4 19. Qd2 Bxf3+ 20. Kxf3 Ng4 21. Bf1 f5 22. Qxd4 fxe4+ 23. Kg2 Rac8 24. Bd2 Rc2 25. Be2 e3 26. Bc3 Nf2 27. Qh8+ 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1998.06.13"]
[Round "4"]
[White "Zarza, Ronald"]
[Black "Peralta, Eduardo"]
[Result "0-1"]
[ECO "B47"]
[BlackElo "2330"]
[PlyCount "53"]
[EventDate "1998.06.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Be3 a6 8. Nd4 Nf6 9. a4 Bb4 10. Bd3 0-0 11. 0-0 Qc7 12. f4 d6 13. Nb3 b6 14. g4 Bxc3 15. bxc3 d5 16. e5 Ne4 17. Qe1 Bb7 18. Rf3 f5 19. g5 d4 20. Nxd4 Ne7 21. Rh3 Qc6 22. Bxe4 Qxe4 23. Rg3 Qh1+ 24. Kf2 Qxh2+ 25. Kf1 Rac8 26. Qf2 Qxf2+ 27. Bxf2 0-1

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1998.06.12"]
[Round "2"]
[White "Ferreira, Oscar"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "E93"]
[WhiteElo "2290"]
[PlyCount "61"]
[EventDate "1998.06.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 Nbd7 8. Bg5 Qe8 9. Nd2 Nc5 10. b4 Na6 11. a3 h6 12. Be3 Qe7 13. c5 Nxe4 14. Ncxe4 f5 15. cxd6 cxd6 16. 0-0 fxe4 17. Nxe4 Bf5 18. Ng3 Nc7 19. Qd2 Kh7 20. Rac1 b6 21. Rc6 Rac8 22. Rfc1 h5 23. Nxf5 Rxf5 24. Ba6 Rcf8 25. Rxc7 Qh4 26. g3 Qf6 27. Bd3 Rf3 28. Bg5 Rxf2 29. Bxf6 Rxd2 30. Rxg7+ Kh8 31. Rxa7+ 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1998.06.12"]
[Round "3"]
[White "Zarza, Ronald"]
[Black "Escauriza, Gustavo"]
[Result "0-1"]
[ECO "B17"]
[PlyCount "46"]
[EventDate "1998.06.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 e6 6. Qe2 Ngf6 7. Ng5 Nb6 8. Bd3 Qxd4 9. N1f3 Bb4+ 10. Kf1 Qd8 11. Ne5 0-0 12. Ng4 Nbd7 13. Nxh7 Nxh7 14. Nh6+ gxh6 15. Qg4+ Kh8 16. Bxh6 Qf6 17. Bxf8 Bxf8 18. Re1 Ne5 19. Qe4 Nxd3 20. Qxd3 Bc5 21. Qg3 b6 22. Re4 Ba6+ 23. Kg1 Rg8 0-1

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "1998.06.11"]
[Round "1"]
[White "Cubas Berdnavek, Rodrigo D"]
[Black "Zarza, Ronald"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "64"]
[EventDate "1998.06.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PAR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. 0-0 Nb4 9. Be2 Rc8 10. Nc3 Ne7 11. a3 Nbc6 12. Bd3 Ng6 13. Na4 Qd8 14. Bg5 Be7 15. Bxe7 Qxe7 16. Nc5 Nxd4 17. Nxd4 Qxc5 18. Bxg6 hxg6 19. Qd2 Qc7 20. f4 0-0 21. Rf3 f6 22. Rg3 fxe5 23. fxe5 Qxe5 24. Rxg6 Rc4 25. Nf3 Qf4 26. Qe1 Rfc8 27. Nd2 Rc2 28. Rd1 e5 29. Rd6 Bg4 30. Rxd5 Bxd1 31. Rxe5 Bh5 32. Rc5 R2xc5 0-1

[Event "San Cristobal op"]
[Site "San Cristobal"]
[Date "1998.??.??"]
[Round "7"]
[White "Arias, Vidal"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "59"]
[EventDate "1998.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. Nc3 Nf5 9. Bb5 Bd7 10. Bxc6 bxc6 11. 0-0 c5 12. dxc5 Bxc5 13. Na4 Qa5 14. Nxc5 Qxc5 15. g4 Ne7 16. Be3 Qa5 17. a3 0-0 18. b4 Qd8 19. Rc1 a6 20. Rc5 Bb5 21. Re1 Rc8 22. Qc2 Qd7 23. Rc1 Nc6 24. Bd4 Bc4 25. Qd2 Ra8 26. Bb2 Qe8 27. Qg5 Ra7 28. Qh5 f6 29. Qxe8 Rxe8 30. Rxc6 1-0

[Event "San Cristobal op"]
[Site "San Cristobal"]
[Date "1998.??.??"]
[Round "5"]
[White "Britez, G Jorge A"]
[Black "Zarza, Ronald"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "72"]
[EventDate "1998.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. Ngf3 Nc6 7. Be2 f6 8. exf6 Nxf6 9. 0-0 Bd6 10. Nb3 0-0 11. Ne5 Nxe5 12. fxe5 Bxe5 13. Nxc5 Bd4+ 14. Kh1 Bxc5 15. d4 Bd6 16. Bg5 Be7 17. Bd3 Ne4 18. Bf4 Bf6 19. c3 Bd7 20. Qh5 Be8 21. Qg4 Qe7 22. Rae1 Bg6 23. Bb1 Bf5 24. Qh5 Qf7 25. Qe2 Qg6 26. Qe3 Bh4 27. g3 Bh3 28. Rg1 Be7 29. Bxe4 Qxe4+ 30. Qxe4 dxe4 31. Rxe4 g5 32. Be3 Rf3 33. Re1 Raf8 34. Bg1 Rf1 35. R4e2 R8f2 36. Rxf1 Bg2# 0-1

[Event "San Cristobal op"]
[Site "San Cristobal"]
[Date "1998.??.??"]
[Round "1"]
[White "Castellano, Benjamin"]
[Black "Zarza, Ronald"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "77"]
[EventDate "1998.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. a4 Rb8 10. Nc1 cxd4 11. Bxd4 Nc5 12. b4 Ne6 13. Ba7 Ra8 14. Be3 Re8 15. Nb3 Qc7 16. Rc1 Bd7 17. Bd3 Rac8 18. 0-0 Qd8 19. Qf2 Rf8 20. Rfd1 Ne8 21. Bb6 N8c7 22. Na5 Qe8 23. b5 Na8 24. Be3 axb5 25. Nxb5 Bxb5 26. cxb5 Qd7 27. Bc4 h5 28. f4 b6 29. Nb3 Kh7 30. f5 Nc5 31. Nxc5 bxc5 32. Bxc5 Qb7 33. Bd5 Qc7 34. Be3 Qa5 35. Bxf7 Qxa4 36. fxg6+ Kh8 37. Rxc8 Rxc8 38. Qe2 Be5 39. Qxh5+ 1-0

[Event "San Cristobal op"]
[Site "San Cristobal"]
[Date "1998.??.??"]
[Round "3"]
[White "Pecci, Raul"]
[Black "Zarza, Ronald"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "72"]
[EventDate "1998.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. f4 Be7 10. 0-0 0-0 11. a3 Qb6 12. Nf3 fxe5 13. fxe5 Ndxe5 14. Nxe5 Nxe5 15. Bc2 Bd7 16. Nf4 g6 17. Rf2 Nc6 18. Be3 Bd6 19. g3 Ne7 20. Qg4 Bxf4 21. gxf4 Nf5 22. Bxf5 exf5 23. Qf3 Qd6 24. Bd2 Rfe8 25. Bb4 Qc6 26. h4 Re4 27. Rg2 Qf6 28. Qh5 Rxf4 29. Rg5 Qxd4+ 30. Kg2 Qxb2+ 31. Kh3 Rg4 32. Rg1 Qb3+ 33. Kh2 Qc2+ 34. Kh3 Qd3+ 35. Kh2 Qe2+ 36. Kh3 Qe3+ 0-1

[Event "San Cristobal op"]
[Site "San Cristobal"]
[Date "1998.??.??"]
[Round "4"]
[White "Zarza, Ronald"]
[Black "Abdo, Luis"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "64"]
[EventDate "1998.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 g6 4. Be2 Bg7 5. 0-0 Nf6 6. Re1 0-0 7. Bf1 Nc6 8. d3 e5 9. Na3 h6 10. h3 Qe7 11. Bd2 Bd7 12. Nc4 Be6 13. Ne3 Rfd8 14. Nh2 d5 15. exd5 Nxd5 16. Neg4 Kh7 17. Qc1 h5 18. Ne3 Nf4 19. Qc2 Qd7 20. Red1 Nxd3 21. Bc1 e4 22. f3 f5 23. g4 c4 24. gxh5 gxh5 25. Ng2 Rg8 26. fxe4 fxe4 27. Qe2 Qd5 28. h4 Bh6 29. Bxh6 Kxh6 30. Qe3+ Kh7 31. Kh1 Raf8 32. Bxd3 exd3 0-1

[Event "San Cristobal op"]
[Site "San Cristobal"]
[Date "1998.??.??"]
[Round "6"]
[White "Zarza, Ronald"]
[Black "Figueredo, Rodrigo"]
[Result "1-0"]
[ECO "C15"]
[PlyCount "31"]
[EventDate "1998.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6 7. Bb5 Bd7 8. Nxe4 Nxd4 9. Qxd4 Bxb5 10. Qxg7 Qh4 11. Nc3 0-0-0 12. Nxb5 Qh5 13. Nc3 Ne7 14. Qg5 Qg6 15. Qxg6 Nxg6 16. Bg5 1-0

[Event "San Cristobal op"]
[Site "San Cristobal"]
[Date "1998.??.??"]
[Round "2"]
[White "Zarza, Ronald"]
[Black "Montanaro Uchoa, Hazael"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "131"]
[EventDate "1998.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 dxc6 6. Qxd8+ Kxd8 7. Bc4 Ke7 8. Bf4 Bd6 9. e5 Bc5 10. 0-0 Be6 11. Bg5+ Ke8 12. Bxe6 fxe6 13. Rd1 Be7 14. Bxe7 Nxe7 15. Nc3 Nd5 16. Ne4 Ke7 17. c4 Nb6 18. b3 Nd7 19. f4 Rhf8 20. g3 Rad8 21. Rd2 h6 22. Rad1 Rfe8 23. Kf2 Rf8 24. Ke3 b6 25. Nc3 Nb8 26. Rxd8 Rxd8 27. Rxd8 Kxd8 28. Ne2 c5 29. Ke4 g6 30. g4 Ke7 31. Nc3 a6 32. f5 g5 33. fxe6 Kxe6 34. Nd5 c6 35. Nxb6 a5 36. a3 Na6 37. Na4 Kf7 38. Kf5 Nc7 39. Nxc5 Ne8 40. Nb7 Ng7+ 41. Ke4 Ne6 42. Nxa5 Kg6 43. b4 h5 44. gxh5+ Kxh5 45. Nxc6 Kh4 46. Kf5 Nf4 47. e6 Nxe6 48. Kxe6 Kh3 49. Ne5 g4 50. Nxg4 Kxg4 51. c5 Kh3 52. c6 Kxh2 53. c7 Kg3 54. c8Q Kf4 55. Qc5 Ke4 56. Qd5+ Kf4 57. Qe5+ Kf3 58. Qd4 Kg3 59. Qe4 Kf2 60. Qd3 Kg2 61. Qe3 Kh2 62. Qe2+ Kg1 63. Kf5 Kh1 64. Kg4 Kg1 65. Kg3 Kh1 66. Qg2# 1-0

