[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "1"]
[White "Villalba, Marcelo"]
[Black "Riva, Eric"]
[Result "1-0"]
[ECO "C62"]
[PlyCount "59"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. Bxc6 bxc6 7. O-O Nf6 8.
Qd3 Be7 9. b3 O-O 10. Bb2 Re8 11. Nd2 Bf8 12. f4 c5 13. Ne2 Bc6 14. Ng3 Re6 15.
Rae1 a5 16. a4 Bb7 17. c4 Nd7 18. Nf3 h6 19. Bc3 Nb8 20. e5 Qd7 21. Qf5 Nc6 22.
Qg4 Re7 23. Nf5 Nd4 24. Nxe7+ Qxe7 25. Nxd4 cxd4 26. Bxd4 Re8 27. exd6 Qxe1 28.
Rxe1 Rxe1+ 29. Kf2 Rd1 30. Qxd1 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "1"]
[White "Sartori, Alvaro"]
[Black "Latorre, Matias"]
[Result "0-1"]
[ECO "C28"]
[PlyCount "84"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Na5 5. Bb3 Nxb3 6. axb3 d5 7. Bg5 Bb4 8.
exd5 Qxd5 9. Qf3 Bg4 10. Qxd5 Nxd5 11. Kd2 h6 12. Be3 O-O 13. f3 Bh5 14. Nge2
f5 15. Bf2 e4 16. Ng3 Bg6 17. Rhe1 e3+ 18. Bxe3 f4 19. Bf2 fxg3 20. Bxg3 Nf4
21. Bxf4 Rxf4 22. Ke3 Rff8 23. Kf2 Rae8 24. Rxe8 Rxe8 25. Nd5 Bc5+ 26. Kf1 c6
27. b4 Bd4 28. Nc3 a6 29. Rb1 Bf5 30. Ne4 g5 31. Nd6 Rf8 32. Nxb7 g4 33. f4 Bc8
34. Nd6 Rxf4+ 35. Ke1 Rf2 36. c3 Be3 37. Nc4 Ba7 38. Rd1 Rxg2 39. Rd2 Rg1+ 40.
Ke2 g3 41. Kf3 Bg4+ 42. Kxg4 gxh2+ 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "1"]
[White "Sartori, Sergio"]
[Black "Avalos, Matias"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "41"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 d5 2. exd5 Nf6 3. d3 Nxd5 4. g3 c6 5. Bg2 Nd7 6. Ne2 N7f6 7. O-O Bg4 8.
h3 Bh5 9. g4 Bg6 10. f4 Qb6+ 11. Kh1 h6 12. f5 Bh7 13. Rf3 O-O-O 14. c4 Nb4 15.
a3 Ne4 16. axb4 Nf2+ 17. Rxf2 Qxf2 18. Nbc3 Kb8 19. Bf4+ Ka8 20. d4 h5 21.
Rxa7+ 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "1"]
[White "Fretes, Matias"]
[Black "Roman, Rodrigo"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "58"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Be2 Bf5 6. O-O c6 7. d3 Nbd7 8.
Be3 e6 9. Nh4 Bg6 10. Nxg6 hxg6 11. Qd2 Qf5 12. h3 Bd6 13. Ne4 Bc7 14. Ng3 Qd5
15. d4 Qd6 16. c4 Ne4 17. c5 Nxd2 18. cxd6 Nxf1 19. dxc7 Nxe3 20. fxe3 Rc8 21.
Rf1 Nf6 22. Rd1 Rxc7 23. e4 O-O 24. Bf3 Rd8 25. Ne2 e5 26. d5 cxd5 27. exd5 e4
28. Bg4 Rxd5 29. Rxd5 Nxd5 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "1"]
[White "Torres, Mauricio"]
[Black "Barresi, Osvaldo"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "84"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 g6 5. f4 Bg7 6. Nf3 Bg4 7. O-O e6 8. h3
Bxf3 9. Bxf3 Nd4 10. Bg2 h5 11. d3 Ne7 12. Ne2 f5 13. c3 Ndc6 14. Be3 h4 15.
Qb3 Qd7 16. e5 dxe5 17. Bxc5 hxg3 18. fxe5 Bxe5 19. d4 Bc7 20. Nf4 Bxf4 21.
Rxf4 g5 22. Rff1 Rd8 23. Rae1 Kf7 24. Bxc6 Qxc6 25. Bxe7 Rxh3 26. Rxf5+ Kxe7
27. Rxe6+ Qxe6 28. Re5 Qxe5 29. dxe5 Rh2 30. Qxb7+ Rd7 31. Qb4+ Ke6 32. Qg4+
Ke7 33. Qxg5+ Ke8 34. Qg6+ Kf8 35. Qf5+ Ke8 36. Qe6+ Kd8 37. Qg8+ Ke7 38. Qxg3
Rxb2 39. Qh4+ Kf8 40. Qf6+ Ke8 41. Qf3 Rg7+ 42. Kh1 Rh7+ 1/2-1/2

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "1"]
[White "Chaves, Nicolas"]
[Black "Uribe, Gabriel"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "101"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. h3 d6 6. Be2 Nc6 7. O-O Nd7 8. Bh2
e5 9. c4 f5 10. Nc3 h6 11. Rb1 a5 12. a3 g5 13. b4 axb4 14. axb4 g4 15. hxg4
fxg4 16. Ne1 exd4 17. exd4 Nxd4 18. Bxg4 Ne5 19. Bxc8 Qxc8 20. Qxd4 Nf3+ 21.
Nxf3 Bxd4 22. Nxd4 Qg4 23. Rbd1 c6 24. f3 Qg6 25. b5 Ra3 26. Nde2 Qc2 27. Bxd6
Rxc3 28. Nxc3 Qxc3 29. Bxf8 Kxf8 30. bxc6 bxc6 31. Rc1 Qd4+ 32. Rf2 Kf7 33.
Rcc2 c5 34. g3 h5 35. Kg2 Kf6 36. Rfd2 Qe3 37. Rd5 Qb3 38. Rcd2 Qxc4 39. Rxh5
Qc1 40. Rd6+ Kg7 41. Rc6 Qd2+ 42. Kf1 Qd3+ 43. Kg2 Qd2+ 44. Kf1 Qd3+ 45. Kg2
Qd2+ 46. Kf1 Qd3+ 47. Kg2 Qe2+ 48. Kh3 Qf1+ 49. Kh4 c4 50. Rhc5 Qxf3 51. Rxc4
1/2-1/2

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "2"]
[White "Latorre, Matias"]
[Black "Sartori, Sergio"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "39"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. d4 d6 2. Nf3 g6 3. e4 Bg7 4. Nc3 c6 5. a4 Nd7 6. Bc4 e5 7. O-O Ngf6 8. Be3
O-O 9. Qd2 Qc7 10. Rfd1 Nb6 11. Bb3 Bg4 12. Qe2 Rad8 13. a5 Nc8 14. h3 Bxf3 15.
Qxf3 h6 16. dxe5 dxe5 17. Bxh6 Rxd1+ 18. Nxd1 Bxh6 19. Qxf6 Rd8 20. Bxf7+ 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "2"]
[White "Roman, Rodrigo"]
[Black "Villalba, Marceo"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "62"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. d4 exd4 5. Nxd4 Nf6 6. Nc3 Nc6 7. O-O O-O 8.
h3 Re8 9. Re1 Bd7 10. f4 Nxd4 11. Qxd4 Bc6 12. Be3 Nxe4 13. Nxe4 d5 14. Rad1
dxc4 15. Qxc4 Qc8 16. Nf2 Qf5 17. g4 Qa5 18. Bd4 Bf6 19. Rxe8+ Rxe8 20. Bxf6
Re1+ 21. Kh2 Rxd1 22. Nxd1 Qd2+ 23. Kg3 Qe1+ 24. Kh2 Qh1+ 25. Kg3 Qxd1 26. Bc3
Qf3+ 27. Kh4 Qf2+ 28. Kh5 h6 29. f5 Qe3 30. h4 Kh7 31. Qd3 Qxd3 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "2"]
[White "Barresi, Osvaldo"]
[Black "Chaves, Nicolas"]
[Result "0-1"]
[ECO "E13"]
[PlyCount "62"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 h6 6. Bh4 Bb7 7. e3 Bxc3+ 8.
bxc3 d6 9. Bd3 Nbd7 10. Qe2 Qe7 11. e4 e5 12. Rb1 O-O 13. d5 Rac8 14. O-O c6
15. Rfc1 Ba6 16. Bxf6 Qxf6 17. a4 Nc5 18. Rb4 cxd5 19. exd5 e4 20. Bxe4 Rfe8
21. Nd2 Qe5 22. f4 Qxf4 23. Rf1 Qe5 24. Qf3 Nxe4 25. Qxf7+ Kh8 26. Nxe4 Qxe4
27. Qxa7 Bxc4 28. Kh1 Qe2 29. Rbb1 Bxd5 30. Rg1 Rxc3 31. h3 Rxh3# 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "2"]
[White "Uribe, Gabriel"]
[Black "Torres, Mauricio"]
[Result "0-1"]
[ECO "B31"]
[PlyCount "80"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. Qe2 a6 6. Ba4 d5 7. d3 Bg4 8. h3
Bxf3 9. Qxf3 d4 10. c4 Qa5+ 11. Bd2 Qxa4 12. b3 Ne5 13. bxa4 Nxf3+ 14. gxf3 Nf6
15. Bf4 Nd7 16. Nd2 e5 17. Bh2 Bh6 18. Rb1 b5 19. axb5 axb5 20. cxb5 Bxd2+ 21.
Kxd2 Rxa2+ 22. Kc1 Rxf2 23. b6 Ke7 24. b7 f6 25. Rb2 Rxf3 26. Rd1 Rxh3 27. Rdd2
Rb8 28. Kb1 c4 29. dxc4 Nc5 30. Rb5 Nxe4 31. Bxe5 Nxd2+ 32. Kc2 fxe5 33. Kxd2
Kd6 34. Rd5+ Ke6 35. Rb5 e4 36. Rb6+ Kd7 37. c5 Rh2+ 38. Kc1 e3 39. Rd6+ Kc7
40. Rxd4 Rxb7 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "2"]
[White "Riva, Eric"]
[Black "Fretes, Matias"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "91"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. Nf3 Nc6 2. g3 Nf6 3. Bg2 d6 4. O-O g6 5. c4 Bg7 6. Nc3 O-O 7. d3 a6 8. Rb1
Rb8 9. b4 b5 10. cxb5 axb5 11. Qc2 e5 12. Nxb5 Rxb5 13. Qxc6 Rb6 14. Qc2 Re8
15. Be3 Rb8 16. Rfc1 Re7 17. Nd2 Bb7 18. Ba7 Ra8 19. Bxb7 Rxa7 20. Bg2 Ne8 21.
Nb3 Qc8 22. Na5 Ra6 23. Bb7 Qh3 24. Bxa6 Nf6 25. f3 Bh6 26. e4 Be3+ 27. Kh1 Nh5
28. Qg2 Qe6 29. Rc2 d5 30. Qe2 d4 31. Bc4 Qh3 32. Qg2 Qd7 33. Nc6 Re8 34. Bb5
Kg7 35. Nxd4 Qxd4 36. Bxe8 Qxd3 37. Qe2 Qd4 38. Rd1 Qb6 39. Rd7 Bd4 40. Rxf7+
Kh6 41. a3 Qe6 42. Qd2+ g5 43. Rcxc7 Qxe8 44. Rxh7+ Kg6 45. Qe2 Qe6 46. f4 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "2"]
[White "Avalos, Matias"]
[Black "Satori, Alvaro"]
[Result "1-0"]
[ECO "D04"]
[PlyCount "101"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. Nf3 Nf6 2. d4 d5 3. e3 Bg4 4. Be2 c6 5. Nbd2 e6 6. Ne5 Bxe2 7. Qxe2 Bd6 8.
f4 Nbd7 9. c4 Bxe5 10. fxe5 Ne4 11. Nxe4 dxe4 12. c5 b6 13. b4 O-O 14. O-O Qe7
15. Qc2 bxc5 16. bxc5 f5 17. exf6 Nxf6 18. Bd2 Qc7 19. Be1 Ng4 20. Rxf8+ Rxf8
21. Bg3 Qd7 22. Qxe4 Nf6 23. Qd3 Nd5 24. a3 Qd8 25. Rf1 Rxf1+ 26. Kxf1 Qf6+ 27.
Kg1 Qg5 28. Bf2 h6 29. Qe4 Kf7 30. h4 Qf5 31. Qxf5+ exf5 32. g3 Nc3 33. Be1 Nb5
34. Bb4 Ke6 35. Kf2 Kd5 36. Kf3 g5 37. h5 Nc7 38. a4 Ne6 39. g4 fxg4+ 40. Kxg4
Ke4 41. Bd2 Ng7 42. a5 a6 43. Bc1 Nf5 44. d5 cxd5 45. c6 Nd6 46. c7 Nc8 47. Ba3
Kxe3 48. Bf8 d4 49. Bxh6 d3 50. Bxg5+ Ke4 51. h6 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "3"]
[White "Villalba, Marcelo"]
[Black "Latorre, Matias"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "60"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. h3 O-O 6. Nf3 c5 7. d5 a6 8. a4 e6 9.
Bd3 exd5 10. exd5 Re8+ 11. Be3 Bf5 12. Qc2 Bxd3 13. Qxd3 Nh5 14. O-O f5 15.
Rab1 Qf6 16. Bg5 Qf7 17. Bd2 h6 18. g4 fxg4 19. hxg4 Nf4 20. Bxf4 Qxf4 21. Qxg6
Nd7 22. Qf5 Rf8 23. Qxd7 Qxf3 24. Rbe1 Rf4 25. Qe6+ Kh7 26. Re4 Raf8 27. g5
hxg5 28. Rxf4 Rxf4 29. Ne2 Re4 30. Qxd6 Qxe2 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "3"]
[White "Chaves, Nicolas"]
[Black "Torres, Mauricio"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "95"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bg5 Bg7 5. g3 Ne4 6. Bf4 Nxc3 7. bxc3 O-O 8.
Bg2 c5 9. O-O Nc6 10. e3 Bg4 11. h3 Bxf3 12. Qxf3 e6 13. g4 cxd4 14. cxd4 f5
15. Rab1 g5 16. Bh2 b6 17. c4 Ne7 18. cxd5 Nxd5 19. gxf5 Rxf5 20. Qg3 Rf7 21.
Rfc1 h5 22. Rc6 h4 23. Qd6 Qf6 24. Rb2 Ne7 25. Rc7 Nf5 26. Qc6 Raf8 27. Rxf7
Rxf7 28. Rc2 Kh7 29. Be4 Kh6 30. Be5 Qg6 31. Bxg7+ Kxg7 32. Bxf5 Qxf5 33. Kh2
Kh7 34. Rd2 Kh8 35. Qc2 Qf6 36. Qe4 Kg7 37. Qg4 Kh6 38. Kg2 Rf8 39. e4 Kg6 40.
d5 Rd8 41. d6 e5 42. d7 Qf4 43. Rd6+ Kg7 44. Qxf4 exf4 45. e5 Kf7 46. e6+ Ke7
47. Rc6 Rf8 48. Kf3 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "?.3"]
[White "Sartori, Sergio"]
[Black "Riva, Eric"]
[Result "1-0"]
[ECO "C28"]
[PlyCount "45"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nge2 O-O 6. O-O d6 7. f4 Be6 8. Bb5
Nd4 9. Nxd4 exd4 10. Ne2 a6 11. Ba4 b5 12. Bb3 c5 13. Bxe6 fxe6 14. h3 Qb6 15.
g4 c4 16. Kh2 e5 17. g5 Nd7 18. f5 Rac8 19. Ng3 Qc6 20. f6 gxf6 21. Nf5 Bd8 22.
Qh5 cxd3 23. g6 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "3"]
[White "Avalos, Matias"]
[Black "Roman, Rodrigo"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "58"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. Nf3 g6 2. d4 Bg7 3. e3 Nf6 4. Bd3 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. dxe5
dxe5 9. Ne4 Qe7 10. Qc2 Kh8 11. b3 Nxe4 12. Bxe4 f5 13. a4 fxe4 14. Ba3 c5 15.
Qxe4 Nf6 16. Qh4 b6 17. Rad1 Bb7 18. Ng5 h6 19. Qh3 Bc8 20. Qh4 Nh7 21. Nf3 g5
22. Qe4 Bb7 23. Qg4 Bxf3 24. gxf3 Rad8 25. Qh3 e4 26. fxe4 Qxe4 27. Rd7 g4 28.
Rxd8 gxh3 29. Rxf8+ Nxf8 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "3"]
[White "Uribe, Gabriel"]
[Black "Barresi, Osvaldo"]
[Result "1-0"]
[ECO "B42"]
[PlyCount "62"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O Qc7 8.
c4 d6 9. Nc3 Nf6 10. Qe2 Be7 11. b3 O-O 12. Bb2 e5 13. Rac1 Bg4 14. f3 Be6 15.
Kh1 Nd7 16. Rfd1 Nc5 17. Bb1 Rab8 18. Ba3 Bg5 19. Bxc5 dxc5 20. Rc2 Rbd8 21.
Rf1 Rd4 22. Qf2 Rfd8 23. h4 Bh6 24. Rg1 Rd3 25. Rcc1 Rd2 26. Qxc5 R2d4 27. Nd5
Bxd5 28. exd5 Bxc1 29. Rxc1 Qd6 30. Qxd6 Rxd6 31. Kh2 cxd5 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "3"]
[White "Sartori, Alvaro"]
[Black "Fretes, Matias"]
[Result "1-0"]
[ECO "C26"]
[PlyCount "57"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 d6 5. Nge2 Be7 6. d3 O-O 7. O-O Bg4 8. h3
Bd7 9. Bg5 h6 10. Bxf6 Bxf6 11. Nd5 a5 12. Qd2 a4 13. a3 Be7 14. f4 exf4 15.
Nexf4 Ne5 16. Nxe7+ Qxe7 17. Nd5 Qd8 18. Rf2 Ng6 19. Raf1 c6 20. Ne3 Qc8 21.
Kh2 Be6 22. Nf5 Bxf5 23. exf5 Ne5 24. f6 Ng6 25. Qb4 d5 26. Qc3 gxf6 27. Rxf6
Qd7 28. Qd2 Kg7 29. h4 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "4"]
[White "Latorre, Matias"]
[Black "Chaves, Nicolas"]
[Result "1/2-1/2"]
[ECO "E06"]
[PlyCount "72"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. d4 Nf6 2. g3 e6 3. Bg2 c5 4. Nf3 Nc6 5. O-O d5 6. c4 Be7 7. Nc3 dxc4 8. Qa4
O-O 9. dxc5 Bxc5 10. Qxc4 Qe7 11. Bg5 Bb6 12. Ne4 e5 13. Nxf6+ gxf6 14. Bh6 Rd8
15. Qh4 Nd4 16. e3 Nf5 17. Qh5 Nxh6 18. Qxh6 Bf5 19. Rfc1 Rac8 20. Nh4 Bg6 21.
Rxc8 Rxc8 22. Bd5 Qf8 23. Qxf8+ Kxf8 24. Nxg6+ fxg6 25. Bxb7 Rc2 26. Rb1 f5 27.
Bd5 f4 28. gxf4 exf4 29. exf4 Rxf2 30. Kh1 Bc7 31. Bg2 Bxf4 32. Rf1 Rxf1+ 33.
Bxf1 Ke7 34. Kg2 Kf6 35. h3 Ke5 36. Kf3 h5 1/2-1/2

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "4"]
[White "Roman, Rodrigo"]
[Black "Sartori, Sergio"]
[Result "1/2-1/2"]
[ECO "E81"]
[PlyCount "31"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 Nf6 5. f3 Nbd7 6. Be3 c6 7. Qd2 O-O 8. g4 e5
9. d5 cxd5 10. cxd5 h5 11. gxh5 Nxh5 12. Nge2 f5 13. Bg5 Bf6 14. Bh6 Bg7 15.
Bg5 Bf6 16. Bh6 1/2-1/2

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "4"]
[White "Torres, Mauricio"]
[Black "Villalba, Marcelo"]
[Result "0-1"]
[ECO "C96"]
[PlyCount "80"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. c3 d6 7. h3 Na5 8. Bb5
a6 9. Ba4 b5 10. Bc2 c5 11. Nbd2 Qc7 12. Re1 Nc6 13. Nf1 Be6 14. Ng3 h6 15. Nf5
Bxf5 16. exf5 d5 17. g4 Rad8 18. Qe2 Rfe8 19. Nd2 Bd6 20. h4 Qd7 21. f3 h5 22.
Qg2 Bc7 23. Nf1 e4 24. dxe4 hxg4 25. fxg4 Ne5 26. g5 Nxe4 27. f6 Qf5 28. Nh2
Qh7 29. Qh3 Kh8 30. fxg7+ Kxg7 31. Bf4 Nf2 32. Kxf2 Qxc2+ 33. Kg3 Nd3 34. Bxc7
Qf2+ 35. Kg4 Nxe1 36. Bxd8 Qe2+ 37. Kf4 Qe5+ 38. Kg4 Qe2+ 39. Kf4 Re4+ 40. Kf5
Qf2+ 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "4"]
[White "Sartori, Alvaro"]
[Black "Uribe, Gabriel"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "66"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. Nc3 cxd5 5. cxd5 Nxd5 6. g3 Nc6 7. Bg2 Ndb4 8.
Be4 Nd3+ 9. Bxd3 Qxd3 10. Qf3 Qxf3 11. Nxf3 Bg4 12. Nh4 Nd4 13. O-O g5 14. Ng2
Nf3+ 15. Kh1 O-O-O 16. Ne3 Bh3 17. Rd1 h5 18. b4 Bg7 19. Bb2 Nxd2 20. Rac1 Kb8
21. Rc2 Nf3 22. Ncd5 Bxb2 23. Rxb2 Ne5 24. Rbd2 h4 25. Nxe7 Rxd2 26. Rxd2 Nf3
27. Rb2 hxg3 28. fxg3 Re8 29. N3d5 Nd4 30. Rd2 Nf5 31. Re2 Nxe7 32. Nxe7 Be6
33. Nf5 Bd5+ 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "4"]
[White "Riva, Eric"]
[Black "Avalos, Matias"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "30"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. Nf3 Nf6 2. g3 c6 3. Bg2 d5 4. O-O Bf5 5. d3 e6 6. Nbd2 Nbd7 7. Re1 Qc7 8. b3
h5 9. h4 Rg8 10. Bb2 Bh7 11. e4 O-O-O 12. Qe2 dxe4 13. dxe4 Bb4 14. c3 Be7 15.
Nd4 Nc5 1/2-1/2

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "4"]
[White "Fretes, Matias"]
[Black "Barresi, Osvaldo"]
[Result "0-1"]
[ECO "B49"]
[PlyCount "46"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 b5 7. a3 Nf6 8. O-O
Nc6 9. Nxc6 dxc6 10. Be3 Bd6 11. f4 e5 12. fxe5 Bxe5 13. g3 Bxg3 14. hxg3 Qxg3+
15. Kh1 Qxe3 16. Bf3 Qh6+ 17. Kg2 Bh3+ 18. Kf2 Bxf1 19. Qxf1 Rd8 20. Rd1 O-O
21. a4 b4 22. Na2 Qh4+ 23. Ke2 Nxe4 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.26"]
[Round "5"]
[White "Roman, Rodrigo"]
[Black "Latorre, Matias"]
[Result "1-0"]
[ECO "E01"]
[PlyCount "101"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.29"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. O-O e5 7. Nf3 Nc6 8. c4
d4 9. Nbd2 Be7 10. b4 e4 11. Ng5 e3 12. fxe3 h6 13. Nge4 dxe3 14. Nb3 Qxd1 15.
Rxd1 Bf5 16. Nd6+ Bxd6 17. Bxc6+ bxc6 18. Rxd6 Ke7 19. c5 Ne4 20. Rd4 Nc3 21.
Kf1 Nb5 22. Rf4 Bh3+ 23. Ke1 Rhe8 24. Nd4 g5 25. Nxc6+ Kd7 26. Rf6 a5 27. Bb2
Re6 28. Ne5+ Ke8 29. Rxe6+ Bxe6 30. a4 Nc7 31. b5 Nd5 32. Nc4 Ke7 33. Be5 Nb4
34. Nxe3 f5 35. Bd6+ Kf6 36. Kf2 Rc8 37. b6 Nc6 38. Rb1 Bd7 39. b7 Rb8 40. Nd5+
Ke6 41. Nc7+ Kf7 42. Na6 Re8 43. b8=Q Nxb8 44. Nxb8 Bxa4 45. c6 Ke6 46. Ba3 Rc8
47. Rb6 Kd5 48. Ra6 Bb5 49. Rxa5 Kc4 50. Nd7 Bxc6 51. Nb6+ 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "5"]
[White "Villalba, Marcelo"]
[Black "Chaves, Nicolas"]
[Result "1-0"]
[ECO "E16"]
[PlyCount "53"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 c5 6. d5 b5 7. Bg5 h6 8. Bxf6
Qxf6 9. Nc3 exd5 10. Nxd5 Qd6 11. Nd2 Na6 12. Ne4 Qe5 13. Nec3 bxc4 14. Nf6+
Qxf6 15. Bxb7 Rb8 16. Nd5 Qxb2 17. Bxa6 c3 18. O-O Bd6 19. Nf6+ Ke7 20. Nd5+
Kd8 21. Qa4 c2 22. Rac1 Qe5 23. Ne3 Rb4 24. Qxc2 Rb2 25. Qd3 Qf6 26. Nc4 Rb4
27. a3 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "5"]
[White "Barresi, Osvaldo"]
[Black "Riva, Eric"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "0"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "5"]
[White "Avalos, Matias"]
[Black "Fretes, Matias"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "79"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. Nf3 Nc6 2. d4 d5 3. e3 Nf6 4. Bd3 e6 5. O-O Be7 6. Nbd2 Bd7 7. b3 O-O 8. Bb2
a6 9. c4 Re8 10. Rc1 Rb8 11. c5 h6 12. a3 a5 13. Bc3 b6 14. b4 axb4 15. axb4
bxc5 16. bxc5 Bf8 17. Rb1 Rxb1 18. Qxb1 Qb8 19. Bb5 Ne7 20. Bxd7 Qxb1 21. Rxb1
Nxd7 22. Ba5 c6 23. Rb7 Nf6 24. Ne5 Rc8 25. Rc7 Rxc7 26. Bxc7 Ng6 27. Nxc6 Ne8
28. Ba5 e5 29. Na7 exd4 30. exd4 Nh4 31. c6 Bd6 32. Nb5 Nf5 33. Nf3 f6 34. c7
Ne7 35. Ne1 Kf7 36. Nc2 Ke6 37. Nb4 Kd7 38. Na6 Kc6 39. Nxd6 Kxd6 40. Bb4+ 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "5"]
[White "Sartori, Sergio"]
[Black "Uribe, Gabriel"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "100"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. e4 d5 2. exd5 Nf6 3. g3 Nxd5 4. Bg2 c6 5. d3 Bf5 6. Ne2 e6 7. O-O Nd7 8.
Nbc3 N7f6 9. Re1 Be7 10. a3 O-O 11. Ne4 Qb6 12. c4 Ng4 13. d4 Ndf6 14. N4c3
Rad8 15. Qa4 c5 16. d5 Rfe8 17. dxe6 Bxe6 18. Nf4 Bd7 19. Qc2 Bf8 20. Bd2 Bc6
21. h3 Bxg2 22. Kxg2 Ne5 23. Ncd5 Nxd5 24. Nxd5 Qc6 25. f3 Rxd5 26. cxd5 Qxd5
27. Re4 Rd8 28. Bg5 Rd7 29. Rf1 b5 30. Re2 c4 31. Qe4 Qxe4 32. Rxe4 Nd3 33. Re2
f6 34. Bf4 Kf7 35. h4 Bc5 36. Bc1 a5 37. f4 h5 38. Kf3 a4 39. g4 Nxc1 40. Rxc1
Rd3+ 41. Kg2 hxg4 42. Rcc2 Be3 43. f5 Rb3 44. Rc3 Rxc3 45. bxc3 Bc1 46. Ra2 g6
47. fxg6+ Kxg6 48. Kg3 Kf5 49. h5 Kg5 50. Rh2 Bf4+ 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "5"]
[White "Torres, Mauricio"]
[Black "Sartori, Alvaro"]
[Result "0-1"]
[ECO "C43"]
[PlyCount "106"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nc3 Nxc3 7. bxc3 Bd6 8.
O-O O-O 9. Nxd7 Bxd7 10. Qh5 f5 11. Bg5 Qe8 12. Qh4 Qf7 13. Rab1 b6 14. Rfe1
Rae8 15. Be2 Re4 16. Bh5 Qe6 17. Rxe4 Qxe4 18. Bf3 Qe6 19. g3 Ba4 20. Bd2 Bxc2
21. Re1 Be4 22. Be2 Qf6 23. Qxf6 Rxf6 24. f3 Bc2 25. Bb5 f4 26. g4 Bg6 27. Bd7
Rf8 28. h4 h5 29. g5 Rd8 30. Be6+ Bf7 31. Bf5 Re8 32. g6 Rxe1+ 33. Bxe1 Be8 34.
Be6+ Kf8 35. Bxd5 Bxg6 36. Bf2 Bf7 37. Bxf7 Kxf7 38. Kf1 Ke6 39. Ke2 Kd5 40.
Kd3 b5 41. a4 a6 42. axb5 axb5 43. Be1 c5 44. Bf2 Be7 45. dxc5 Bxc5 46. Be1 Be7
47. Bf2 g5 48. hxg5 Bxg5 49. Ke2 Kc4 50. Be1 h4 51. Kf1 Kd3 52. Kg2 Ke2 53. Bf2
h3+ 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "6"]
[White "Uribe, Gabriel"]
[Black "Villalba, Marcelo"]
[Result "0-1"]
[ECO "A47"]
[PlyCount "62"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. d4 Nf6 2. Nf3 b6 3. Bf4 e6 4. e3 Bb7 5. h3 Bd6 6. Nbd2 Bxf4 7. exf4 O-O 8.
Bd3 c5 9. O-O Nc6 10. dxc5 bxc5 11. Ne4 Nxe4 12. Bxe4 d5 13. Bxh7+ Kxh7 14.
Ng5+ Kg6 15. Re1 Bc8 16. Qg4 Kf6 17. Qh4 Rh8 18. Ne4+ Kg6 19. Qg4+ Kh7 20. Nxc5
Qe7 21. Nd3 Ba6 22. Rad1 Bxd3 23. Rxd3 Rhd8 24. Rg3 Qf6 25. Ree3 Rab8 26. b3
Rb4 27. Qh5+ Kg8 28. Rg4 Rxf4 29. Rxf4 Qxf4 30. Rf3 Qc7 31. Qg4 Ne5 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "6"]
[White "Latorre, Matias"]
[Black "Riva, Eric"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "47"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. Bd3 d6 5. Nd2 c5 6. dxc5 dxc5 7. e5 Nd5 8.
Bxe7 Qxe7 9. Ne4 O-O 10. Qh5 g6 11. Qh6 f5 12. exf6 Nxf6 13. Nf3 c4 14. Nxf6+
Rxf6 15. Be4 e5 16. O-O-O c3 17. Ng5 Nd7 18. Bd5+ Kh8 19. bxc3 Nf8 20. Rhe1 a5
21. Nf7+ Rxf7 22. Bxf7 Qxf7 23. Rd8 Kg8 24. Rxe5 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "6"]
[White "Chaves, Nicolas"]
[Black "Roman, Rodrigo"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "16"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Qf3 c6 6. Ne2 Qf6 7. Bf4 Bxf4 8.
Qxf4 Nd7 1/2-1/2

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "6"]
[White "Sartori, Alvaro"]
[Black "Sartori, Sergio"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "61"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. e4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Be7 5. Nf3 d6 6. O-O O-O 7. d3 Ne8 8. a3
g6 9. Bh6 Ng7 10. Nd5 f5 11. Qd2 Kh8 12. Kh1 Be6 13. c4 Qd7 14. Ng5 Bg8 15. Bh3
Nd4 16. Qd1 c6 17. Ne3 Qd8 18. f4 Bxg5 19. fxg5 Be6 20. exf5 gxf5 21. Rb1 f4
22. Bxg7+ Kxg7 23. Bxe6 fxe3 24. Qh5 Nxe6 25. Qh6+ Kh8 26. g6 Qe7 27. gxh7 e2
28. Rfe1 Nd4 29. Qe3 Rf3 30. Qg1 Raf8 31. Qg2 0-1

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "6"]
[White "Avalos, Matias"]
[Black "Torres, Mauricio"]
[Result "1-0"]
[ECO "A35"]
[PlyCount "63"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. Nf3 Nf6 2. d4 g6 3. e3 Bg7 4. Be2 O-O 5. c4 c5 6. Nc3 d6 7. O-O Nc6 8. b3
cxd4 9. Nxd4 e5 10. Ndb5 Ne8 11. Ne4 f5 12. Nexd6 e4 13. Rb1 a6 14. Nxe8 Rxe8
15. Nd6 Re7 16. Ba3 Rd7 17. Qd5+ Kh8 18. Nf7+ Rxf7 19. Qxf7 Ne5 20. Qd5 Bd7 21.
Rfd1 Qh4 22. Bb2 Bc6 23. Qd6 Re8 24. Rd2 Qg5 25. Kh1 Kg8 26. c5 Bf6 27. Bxa6
Rd8 28. Qe6+ Kg7 29. Rxd8 bxa6 30. Rg8+ Kh6 31. Bxe5 Bxe5 32. Qxe5 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "7"]
[White "Villalba, Marcelo"]
[Black "Sartori, Sergio"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "41"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. d4 d6 2. e4 e5 3. Ne2 Nf6 4. f3 Be7 5. Be3 Nbd7 6. c4 O-O 7. Nbc3 exd4 8.
Nxd4 Ne5 9. Be2 Re8 10. O-O Nfd7 11. Qd2 Bf6 12. Nd5 Nb6 13. Nxf6+ Qxf6 14.
Rac1 Be6 15. b3 h6 16. f4 Ng4 17. f5 Nxe3 18. fxe6 Qg5 19. exf7+ Kh7 20. Bd3
Nxf1 21. Qxg5 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "7"]
[White "Latorre, Matias"]
[Black "Avalos, Matias"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "47"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. Bd3 d5 5. Bxf6 Bxf6 6. e5 Bg5 7. c3 Nd7 8. Ne2
Bh6 9. O-O c5 10. f4 c4 11. Bc2 b5 12. Nd2 Nb6 13. Nf3 Bd7 14. g4 g5 15. fxg5
Bxg5 16. Ng3 h6 17. Nh5 Rg8 18. Nxg5 hxg5 19. Nf6+ Ke7 20. h4 Rg7 21. Nh5 Rg8
22. Bh7 Rh8 23. Rxf7+ Kxf7 24. Qf3+ 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "7"]
[White "Roman, Rodrigo"]
[Black "Uribe, Gabriel"]
[Result "1-0"]
[ECO "A47"]
[PlyCount "69"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. d4 Nf6 2. Bg5 b6 3. Bxf6 exf6 4. Nf3 Bb7 5. Nbd2 f5 6. e3 d6 7. Bd3 g6 8.
O-O Bg7 9. e4 fxe4 10. Nxe4 O-O 11. Qd2 Nc6 12. c3 Re8 13. Rfe1 Ne7 14. Re2 Nd5
15. Rae1 Qd7 16. h3 h6 17. c4 Ne7 18. d5 c6 19. dxc6 Nxc6 20. Bc2 Rad8 21. Ba4
Qc8 22. Qc1 Rf8 23. Rd1 Ne5 24. Nxe5 dxe5 25. Nd6 Qa8 26. f3 Bc6 27. Bb3 Qb8
28. Red2 h5 29. Qc2 Qc7 30. c5 Ba8 31. Qxg6 Qxc5+ 32. Kh1 Rxd6 33. Rxd6 e4 34.
Rd8 Bd5 35. R8xd5 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "7"]
[White "Chaves, Nicolas"]
[Black "Sartori, Alvaro"]
[Result "1-0"]
[ECO "C47"]
[PlyCount "93"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Nxe4 6. Nxc6 Nxc3 7. Nxd8
Nxd1 8. Nxf7 Nxf2 9. Nxh8 Nxh1 10. Bc4 Bc5 11. Bf7+ Kf8 12. Bg5 Nf2 13. Bd8 c6
14. b4 Be7 15. Bxe7+ Kxe7 16. Kxf2 d5 17. Re1+ Kf6 18. Re8 g6 19. Be6 Bxe6 20.
Rxa8 Kg7 21. Ke3 Bg8 22. Nxg6 hxg6 23. Rxa7 Kf6 24. Rxb7 d4+ 25. Kxd4 Bxa2 26.
Rb6 Bd5 27. g3 Ke6 28. Kc5 Kd7 29. Rb7+ Kc8 30. Rg7 Be4 31. h4 Kd8 32. g4 Ke8
33. Kd6 Kf8 34. Rc7 Ke8 35. h5 gxh5 36. gxh5 Kf8 37. h6 Kg8 38. Ke6 Kh8 39. Kf6
Kg8 40. c4 Bg2 41. b5 cxb5 42. cxb5 Kh8 43. b6 Kg8 44. b7 Bxb7 45. Rxb7 Kh8 46.
Kg6 Kg8 47. Rb8# 1-0

[Event "Nacional Sub 20"]
[Site "?"]
[Date "2011.03.27"]
[Round "7"]
[White "Riva, Eric"]
[Black "Torres, Mauricio"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "28"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 O-O 5. O-O c5 6. Nbd2 d6 7. c4 Nc6 8. a3
Bg4 9. h3 Bxf3 10. Nxf3 cxd4 11. exd4 e5 12. d5 Nb8 13. Nd2 Nbd7 14. Rb1 Nc5
1/2-1/2

[Event "Nacional Sub 20 Femenino"]
[Site "?"]
[Date "2011.03.26"]
[Round "1"]
[White "Fretes, Araceli"]
[Black "Avalos, Leticia"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "56"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. c3 Nc6 5. d4 Qb6 6. Be3 Qxb2 7. Nbd2 Qxc3 8.
dxc5 Nge7 9. Rc1 Qa5 10. Rc2 Nf5 11. Bf4 Bxc5 12. Rb2 a6 13. Bd3 Nfd4 14. Nxd4
Bxd4 15. Rc2 Nxe5 16. Be2 O-O 17. O-O Nc6 18. Re1 Qb6 19. Nb3 Bxf2+ 20. Kf1
Bxe1 21. Qxe1 e5 22. Bf3 exf4 23. Bxd5 Bf5 24. Nc5 Bxc2 25. Nd7 Bd3+ 26. Qe2
Bxe2+ 27. Kxe2 Rfe8+ 28. Kf1 Qb5+ 0-1

[Event "Nacional Sub 20 Femenino"]
[Site "?"]
[Date "2011.03.27"]
[Round "1"]
[White "Avalos, Rosana"]
[Black "Rios, Iara"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "156"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. c3 Bb6 6. d4 d6 7. Bg5 O-O 8. h3
Qe7 9. Na3 Nd8 10. Nc2 Ne6 11. Bh4 h6 12. d5 Nf4 13. Ne3 Qd7 14. Nf5 Nxe4 15.
Ne7+ Kh8 16. Nxc8 Raxc8 17. Nd2 Qf5 18. Kh2 Ng5 19. Qg4 Qxg4 20. hxg4 Nh7 21.
g3 Ng6 22. Ne4 f6 23. Bd3 Ne7 24. f4 g5 25. fxg5 fxg5 26. Bxg5 hxg5 27. Rh1 Kg7
28. Kg2 Rh8 29. Rh5 Kf7 30. Rf1+ Ke8 31. Nxg5 Kd7 32. Nxh7 c6 33. Rf7 Ke8 34.
Rg7 Kd8 35. Bf5 Rc7 36. Rf7 Nxd5 37. Rf8+ Rxf8 38. Nxf8 Ke7 39. Ne6 Rc8 40.
Rh7+ Kf6 41. Rg7 Ne3+ 42. Kf3 Nxf5 43. gxf5 Kxf5 44. Ng5 Rf8 45. Rf7+ Rxf7 46.
Nxf7 Ke6 47. Ng5+ Kf6 48. Ne4+ Ke6 49. Kg4 d5 50. Nd2 Be3 51. Nf3 e4 52. Ne1
Kf6 53. Nc2 Bc1 54. b3 Ke5 55. Kh5 e3 56. g4 e2 57. g5 Bxg5 58. Kxg5 a5 59. Kg4
Ke4 60. Ne1 b5 61. Kg3 Ke3 62. Kg2 Kd2 63. Kf2 c5 64. Nf3+ Kxc3 65. Kxe2 d4 66.
Ne5 c4 67. bxc4 bxc4 68. Kd1 a4 69. Nc6 d3 70. Na7 a3 71. Nb5+ Kb4 72. Nd4 c3
73. Nb3 Kc4 74. Ke1 Kd5 75. Kd1 Ke4 76. Nc5+ Ke3 77. Nb3 d2 78. Nxd2 cxd2 0-1

[Event "Nacional Sub 20 Femenino"]
[Site "?"]
[Date "2011.03.27"]
[Round "2"]
[White "Perez, Dalila"]
[Black "Fretes, Araceli"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "47"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. d4 d5 2. c4 e6 3. Bf4 h6 4. Nc3 Nf6 5. e3 c5 6. Nf3 cxd4 7. exd4 dxc4 8.
Bxc4 Nc6 9. O-O Bd6 10. Bxd6 Qxd6 11. Nb5 Qd8 12. Qd2 O-O 13. Rfe1 Re8 14. Rad1
Qc7 15. Nxc7 Bd7 16. Nxa8 Rxa8 17. d5 exd5 18. Bxd5 Rd8 19. Bxc6 bxc6 20. Re7
Re8 21. Rxe8+ Bxe8 22. Qd8 Kf8 23. Re1 Nd7 24. Qxe8# 1-0

[Event "Nacional Sub 20 Femenino"]
[Site "?"]
[Date "2011.03.27"]
[Round "2"]
[White "Avalos, Leticia"]
[Black "Avalos, Rosana"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "75"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. d4 d5 2. Nf3 Nc6 3. e3 Nf6 4. b3 e6 5. Bb2 Bd7 6. Bd3 g6 7. c4 dxc4 8. bxc4
Bg7 9. O-O O-O 10. Nc3 a6 11. a4 Nb4 12. Bb1 c6 13. a5 b5 14. Qb3 Qe7 15. Ba3
c5 16. dxc5 Nc6 17. cxb5 axb5 18. Bb2 Qxc5 19. a6 b4 20. Na4 Qa7 21. Bd3 Nb8
22. Bd4 Qc7 23. Rfc1 Bxa4 24. Rxa4 Qd8 25. Qxb4 Nd5 26. Qb7 Nd7 27. Bxg7 Kxg7
28. a7 N7b6 29. Raa1 Qd7 30. Qa6 Nb4 31. Qxb6 Nxd3 32. Rd1 Rfd8 33. Ne1 Qd6 34.
Qxd6 Rxd6 35. Rxd3 Rxd3 36. Nxd3 Kf6 37. Nb2 Ke7 38. Nc4 1-0

[Event "Nacional Sub 20 Femenino"]
[Site "?"]
[Date "2011.03.27"]
[Round "3"]
[White "Rios, Iara"]
[Black "Avalos, Leticia"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "44"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Qb6 5. Nc3 cxd4 6. Nxd4 Nc6 7. Nf3 Nge7 8.
Be2 Ng6 9. O-O Ngxe5 10. Nxe5 Nxe5 11. Re1 Bd6 12. Rb1 O-O 13. Qd2 Nc4 14. Qg5
Qc7 15. g3 a6 16. Bd3 Ne5 17. Qh5 Nxd3 18. cxd3 b5 19. Ne2 Bb7 20. b3 Qc6 21.
Nf4 d4 22. Qh3 Qh1# 0-1

[Event "Nacional Sub 20 Femenino"]
[Site "?"]
[Date "2011.03.27"]
[Round "3"]
[White "Avalos, Rosada"]
[Black "Perez, Dalila"]
[Result "0-1"]
[ECO "C08"]
[PlyCount "118"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Ngf3 c5 5. exd5 exd5 6. b3 cxd4 7. Nxd4 Bc5 8.
N2f3 O-O 9. Be2 Nc6 10. Bb2 Bg4 11. Nxc6 bxc6 12. O-O Ne4 13. Nd4 Bxe2 14. Qxe2
Qd7 15. Rad1 Rfe8 16. Qf3 Bf8 17. c4 c5 18. Nf5 d4 19. Ne3 Re6 20. Ng4 Rae8 21.
Qh3 Ng5 22. Qd3 Rg6 23. f3 h5 24. Nf2 Bd6 25. Kh1 Re3 26. Qc2 Qc6 27. Bc1 Rxf3
28. Bxg5 Rxg5 29. Ne4 Rxf1+ 30. Rxf1 Rg4 31. Nxd6 Qxd6 32. Qf2 Qg6 33. Re1 Re4
34. Rd1 Qe6 35. h3 Re2 36. Qf1 Rxa2 37. Re1 Qd7 38. Qd3 Ra3 39. Rb1 Qb7 40. Re1
Qb8 41. Qf5 Rxb3 42. Kg1 g6 43. Qe4 Rb6 44. Qe8+ Qxe8 45. Rxe8+ Kg7 46. Rc8 Rb2
47. Rxc5 d3 48. Rd5 Rc2 49. Kf1 d2 50. c5 Rc1+ 51. Ke2 d1=Q+ 52. Rxd1 Rxd1 53.
Kxd1 Kf8 54. Kc2 Ke7 55. Kd3 Kd7 56. Kc4 Kc6 57. Kb4 f6 58. Kc4 g5 59. Kd4 f5
0-1

[Event "Nacional Sub 20 Femenino"]
[Site "?"]
[Date "2011.03.26"]
[Round "4"]
[White "Perez, Dalila"]
[Black "Rios, Iara"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "73"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. d4 d5 2. c4 Nf6 3. Nc3 Bf5 4. Bf4 e6 5. e3 Bd6 6. Bxd6 cxd6 7. Nf3 O-O 8.
cxd5 Nxd5 9. Nxd5 exd5 10. Bd3 Be6 11. O-O Nc6 12. h3 Rc8 13. a3 a6 14. Rc1 Qd7
15. Re1 Rfe8 16. Rc3 Qe7 17. Qb1 g6 18. Rec1 Bd7 19. Qc2 Rc7 20. Qb3 Be6 21.
Bxa6 Na5 22. Rxc7 Nxb3 23. Rxe7 Rxe7 24. Rc3 bxa6 25. Rxb3 Kg7 26. Rb6 Rc7 27.
Rxa6 Rc1+ 28. Kh2 Rc2 29. b4 Rxf2 30. b5 Rb2 31. a4 Ra2 32. a5 Bc8 33. Ra8 Bb7
34. Ra7 Bc8 35. b6 Rb2 36. Ng5 Kf6 37. Nxf7 1-0

[Event "Nacional Sub 20 Femenino"]
[Site "?"]
[Date "2011.03.26"]
[Round "4"]
[White "Fretes, Araceli"]
[Black "Avalos, Rosana"]
[Result "0-1"]
[ECO "C66"]
[PlyCount "54"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. c3 Nf6 6. Re1 Be7 7. d4 exd4 8.
cxd4 O-O 9. Bd2 a6 10. Ba4 h6 11. d5 Ne5 12. Nxe5 dxe5 13. Bxd7 Qxd7 14. Nc3
Rad8 15. Qb3 c6 16. Rad1 cxd5 17. Be3 d4 18. Bc1 Qc6 19. Ne2 Nxe4 20. f3 Nc5
21. Qc2 d3 22. Rxd3 Nxd3 23. Qxc6 bxc6 24. Rd1 Bc5+ 25. Kf1 Nxc1 26. Rxc1 Be3
27. Rxc6 Rd1# 0-1

[Event "Nacional Sub 20 Femenino"]
[Site "?"]
[Date "2011.03.27"]
[Round "5"]
[White "Rios, Iara"]
[Black "Fretes, Araceli"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "70"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. d4 d5 2. Nf3 e6 3. Nc3 Nf6 4. Bg5 h6 5. Bd2 Bb4 6. e3 Bxc3 7. Bxc3 c5 8. Ne5
cxd4 9. exd4 O-O 10. Bd3 Bd7 11. Qf3 Nc6 12. Ng4 Nxg4 13. Qxg4 Re8 14. Bd2 Qf6
15. c3 Rad8 16. O-O e5 17. Rae1 Bxg4 18. dxe5 Nxe5 19. Bc2 Nc4 20. Bc1 Be2 21.
Rxe2 Rxe2 22. Bd3 Re7 23. Rd1 Ne5 24. Bf1 Ng4 25. f3 Ne3 26. Bxe3 Rxe3 27. Kf2
d4 28. cxd4 Rxd4 29. Rc1 Qf4 30. h3 Re2+ 31. Bxe2 Qxc1 32. b3 Qc5 33. Kf1 Rd2
34. Ke1 Qe3 35. Kf1 Rxe2 0-1

[Event "Nacional Sub 20 Femenino"]
[Site "?"]
[Date "2011.03.27"]
[Round "5"]
[White "Avalos, Leticia"]
[Black "Perez, Dalila"]
[Result "0-1"]
[ECO "D04"]
[PlyCount "66"]
[EventDate "2011.03.29"]
[SourceDate "2011.03.30"]

1. d4 d5 2. Nf3 Bf5 3. e3 e6 4. Bd3 Bxd3 5. cxd3 Nf6 6. O-O c5 7. dxc5 Bxc5 8.
d4 Bd6 9. b3 O-O 10. Bb2 Nc6 11. Nbd2 Rc8 12. a3 a5 13. Qe2 h6 14. Ne5 Qe7 15.
f4 Rc7 16. f5 Re8 17. Rae1 Bxa3 18. fxe6 fxe6 19. Ba1 Qd6 20. Rf4 Bb4 21. Ref1
Qd8 22. Ndf3 Bd6 23. Nxc6 bxc6 24. Ne5 c5 25. dxc5 Bxc5 26. Ng6 Nh7 27. Rf7
Rxf7 28. Rxf7 Kxf7 29. Qh5 Bxe3+ 30. Kh1 Kg8 31. Ne5 Rf8 32. g3 Qg5 33. Qh3 Qf5
0-1

