[Event "Pan American-ch U10"]
[Site "Balneario Camboriu"]
[Date "2005.06.15"]
[Round "6"]
[White "Arias Ortega, Pablo"]
[Black "Larrea, Atahualpa"]
[Result "1/2-1/2"]
[ECO "E87"]
[PlyCount "69"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 e5 8. d5 a6 9. Bd3 Nc5 10. Bc2 b6 11. Nge2 Rb8 12. 0-0 Bb7 13. b4 Ncd7 14. Na4 Qe7 15. Bd3 c5 16. bxc5 bxc5 17. Rab1 Ba8 18. Rxb8 Rxb8 19. Rb1 Rxb1+ 20. Bxb1 Qd8 21. Qc2 Nb6 22. Bd2 Qb8 23. Nxb6 Qxb6 24. Qb3 Qxb3 25. axb3 Kf8 26. Kf1 Ke7 27. Ke1 h5 28. g3 Nd7 29. Nc3 Nb6 30. Na4 Nxa4 31. bxa4 Bb7 32. g4 hxg4 33. fxg4 Bc8 34. h3 Bd7 35. Bc2 1/2-1/2

[Event "Pan American-ch U10"]
[Site "Balneario Camboriu"]
[Date "2005.06.15"]
[Round "7"]
[White "Larrea, Atahualpa"]
[Black "Escobar Barona, Juan Fernando"]
[Result "0-1"]
[ECO "B64"]
[BlackElo "1450"]
[PlyCount "146"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 0-0 9. f4 Qa5 10. Nxc6 bxc6 11. Nd5 Qxd2+ 12. Rxd2 cxd5 13. e5 dxe5 14. fxe5 Ne4 15. Bxe7 Re8 16. Bb4 Nxd2 17. Bxd2 Bb7 18. Bb5 Rec8 19. Bb4 a6 20. Bd3 a5 21. Bd2 Ba6 22. Bxa6 Rxa6 23. Rd1 a4 24. g4 Rac6 25. Bc3 Rc4 26. h3 a3 27. Rd3 Kf8 28. g5 axb2+ 29. Kxb2 Rb8+ 30. Kc1 Rd8 31. Bd4 Rdc8 32. Rd2 Ke7 33. h4 R8c7 34. h5 Kd7 35. c3 Kc8 36. Rc2 Kb7 37. Rb2+ Ka6 38. Kd2 Rb7 39. Rc2 Ka5 40. Kd3 Ka4 41. Rg2 Ka3 42. g6 fxg6 43. hxg6 h6 44. Rf2 Rcc7 45. Ke3 Rb2 46. Rxb2 Kxb2 47. a4 Rc4 48. a5 Ra4 49. c4+ Kb3 50. cxd5 exd5 51. e6 Rxa5 52. e7 Ra8 53. Bxg7 h5 54. Kf4 Kc4 55. Kg5 d4 56. Bxd4 Kxd4 57. Kxh5 Ke5 58. Kh6 Kf6 59. g7 Kxe7 60. Kg6 Rg8 61. Kh7 Kf7 62. Kh6 Rxg7 63. Kh5 Rg6 64. Kh4 Kf6 65. Kh5 Rg5+ 66. Kh4 Kf5 67. Kh3 Rg4 68. Kh2 Kf4 69. Kh3 Rg3+ 70. Kh2 Kf3 71. Kh1 Kf2 72. Kh2 Ra3 73. Kh1 Rh3# 0-1

[Event "Pan American-ch U10"]
[Site "Balneario Camboriu"]
[Date "2005.06.14"]
[Round "5"]
[White "Corado Paz Castillo, Rafael"]
[Black "Larrea, Atahualpa"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1435"]
[PlyCount "68"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. h3 Nf6 4. Nc3 e6 5. d4 cxd4 6. Nxd4 Be7 7. Bd3 0-0 8. 0-0 a6 9. f4 Qb6 10. Be3 Nc6 11. Na4 Qc7 12. Nc3 Nxd4 13. Bxd4 Bd7 14. e5 dxe5 15. fxe5 Bc5 16. Rxf6 Bxd4+ 17. Kh1 Qxe5 18. Rf1 Bc6 19. Re1 Qg5 20. Ne4 Qh4 21. Qd2 f5 22. Qg5 Qxg5 23. Nxg5 Bxb2 24. Rab1 Bf6 25. Nxe6 Rfe8 26. Red1 Re7 27. Bxf5 Kh8 28. Nd4 Bxd4 29. Rxd4 Rf8 30. Bd3 Rfe8 31. Kg1 Rd7 32. Rh4 h6 33. Rg4 Bd5 34. a3 b5 1/2-1/2

[Event "Pan American-ch U10"]
[Site "Balneario Camboriu"]
[Date "2005.06.13"]
[Round "4"]
[White "Larrea, Atahualpa"]
[Black "Cori, Jorge Moise"]
[Result "0-1"]
[ECO "B96"]
[BlackElo "2063"]
[PlyCount "82"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Bxf6 Nxf6 9. Qd2 b5 10. Bd3 Bb7 11. a3 Qb6 12. 0-0-0 0-0-0 13. Nf3 d5 14. Ne5 dxe4 15. Nxf7 Bc5 16. Kb1 Be3 17. Qe2 exd3 18. cxd3 Nd5 19. Nxd5 exd5 20. Nxh8 Rxh8 21. Qg4+ Kb8 22. Qxg7 Bd4 23. Qg3 Qf6 24. Rd2 Re8 25. Qg4 Bc8 26. Qf3 Be3 27. Re2 Qd4 28. Rhe1 Qxd3+ 29. Ka1 d4 30. Qg3 Bf5 31. h4 h5 32. Qf3 Bg4 33. Qc6 Re6 34. Rxe3 dxe3 35. Qc3 Qxc3 36. bxc3 e2 37. Kb2 Rd6 38. Kc1 Rd1+ 39. Rxd1 exd1Q+ 40. Kb2 Bf5 41. g4 Qb1# 0-1

[Event "Pan American-ch U10"]
[Site "Balneario Camboriu"]
[Date "2005.??.??"]
[Round "?"]
[White "Larrea, Atahualpa"]
[Black "Guerrero Zambrano, Joel"]
[Result "1-0"]
[ECO "C78"]
[BlackElo "2008"]
[PlyCount "125"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Nxe4 7. Re1 d5 8. d3 Nf6 9. Nxe5 Nxe5 10. Rxe5+ Be6 11. Nc3 Bd6 12. Re1 0-0 13. h3 c5 14. a3 c4 15. dxc4 dxc4 16. Ba2 Qc7 17. Bg5 Rad8 18. Qf3 Be7 19. Rad1 h6 20. Bf4 Qa7 21. Rxd8 Rxd8 22. Be3 Bc5 23. Bxc5 Qxc5 24. Qe3 Qxe3 25. Rxe3 Kf8 26. b3 cxb3 27. Bxb3 Bxb3 28. cxb3 Re8 29. Rxe8+ Kxe8 30. Kf1 Kd7 31. Ke2 Kd6 32. Kd3 Nd5 33. b4 Nf4+ 34. Kd4 Nxg2 35. Ne4+ Kc6 36. Kc3 Nf4 37. h4 Ng6 38. h5 Nf4 39. Ng3 Kd5 40. f3 g6 41. hxg6 fxg6 42. Ne4 h5 43. Kd2 Kc4 44. Ke1 h4 45. Kf2 Ne6 46. Kg2 Kd4 47. Kh3 g5 48. Kg4 Ke5 49. Nxg5 Nxg5 50. f4+ Kf6 51. fxg5+ Kg6 52. Kxh4 Kg7 53. Kh5 Kh7 54. g6+ Kg7 55. Kg5 Kg8 56. Kf6 Kf8 57. g7+ Kg8 58. Ke6 Kxg7 59. Kd6 Kf6 60. Kc6 Ke6 61. Kb6 Kd6 62. Kxa6 Kc6 63. Ka5 1-0

