[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.08"]
[Round "1.1"]
[White "Ricardi, Pablo"]
[Black "Rojas Keim, Luis"]
[Result "1/2-1/2"]
[ECO "D42"]
[WhiteElo "2519"]
[BlackElo "2358"]
[PlyCount "116"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8.
Bd3 O-O 9. O-O Nc6 10. Re1 Bf6 11. Be4 Nce7 12. Ne5 Bd7 13. Qh5 g6 14. Qf3 Bg7
15. Bg5 f6 16. Nxd5 Nxd5 17. Bxd5 fxg5 18. Qb3 Bxe5 19. Bxe6+ Kh8 20. dxe5 Bxe6
21. Qxe6 Qd4 22. Rad1 Qxf2+ 23. Kh1 Rad8 24. h3 Rd2 25. Qg4 Rfd8 26. e6 h5 27.
e7 Qxe1+ 28. Rxe1 hxg4 29. exd8=Q+ Rxd8 30. hxg4 Rd7 31. Re5 Kg7 32. Rxg5 Kf6
33. Rb5 a6 34. Rb6+ Kg5 35. Kh2 Rd2 36. Kg3 Rd3+ 37. Kf2 Rd7 38. b3 Rc7 39. a4
Rg7 40. Kf3 Rf7+ 41. Ke3 Rd7 42. Rb4 Re7+ 43. Kf3 Rf7+ 44. Kg3 Rd7 45. Kf3 Rf7+
46. Ke3 Re7+ 47. Kd3 Kh4 48. a5 Kg3 49. g5 Re5 50. Rxb7 Rxa5 51. Rb6 Rxg5 52.
Rxa6 Kxg2 53. b4 Rg3+ 54. Kc4 g5 55. Rg6 g4 56. b5 Kf3 57. Rf6+ Ke3 58. Rf8 Rf3
1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.08"]
[Round "1.2"]
[White "Lopez Silva, Hugo"]
[Black "Vasquez Schroder, Rodrigo"]
[Result "0-1"]
[ECO "B39"]
[WhiteElo "2389"]
[BlackElo "2522"]
[PlyCount "208"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. c4 Nc6 3. Ne2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8.
Qxg4 Nxd4 9. Qd1 Ne6 10. Qd2 Qa5 11. Rc1 b6 12. Be2 Bb7 13. f3 g5 14. b3 h5 15.
Nd5 Qxd2+ 16. Kxd2 h4 17. g3 Be5 18. Rcf1 d6 19. f4 hxg3 20. hxg3 Rxh1 21. Rxh1
gxf4 22. gxf4 Bxd5 23. cxd5 Nxf4 24. Bb5+ Kf8 25. Bc6 Rb8 26. Bxf4 Bxf4+ 27.
Kd3 Kg7 28. Rf1 Bg5 29. Rh1 b5 30. b4 Rb6 31. Rg1 Kg6 32. a4 bxa4 33. Kc4 a3
34. Ra1 Bd2 35. b5 a6 36. Rxa3 axb5+ 37. Bxb5 Rb8 38. Rf3 Be1 39. e5 dxe5 40.
Re3 Bh4 41. Rxe5 f5 42. d6 exd6 43. Re6+ Kg5 44. Rxd6 Bg3 45. Rd5 Kf6 46. Kd3
Be5 47. Ke2 Rh8 48. Rd3 Rh2+ 49. Kf1 Rb2 50. Bc6 Bb8 51. Bd5 Ba7 52. Rf3 Ke5
53. Bc6 f4 54. Ba8 Be3 55. Bc6 Kd4 56. Rh3 Kd3 57. Bf3 Rb1+ 58. Kg2 Rg1+ 59.
Kh2 Rg7 60. Bc6 Ke2 61. Bb5+ Kf2 62. Bc6 Rg6 63. Bd5 Rd6 64. Bb7 Rd2 65. Rf3+
Ke2 66. Kg2 Rd6 67. Kh3 Rg6 68. Be4 Rg7 69. Bc6 Kd3 70. Bd5 Kd4 71. Bc6 Rc7 72.
Ba8 Ke5 73. Kg2 Rc2+ 74. Kf1 Kd4 75. Rh3 Rf2+ 76. Ke1 Ra2 77. Bf3 Kd3 78. Kf1
Rb2 79. Bd5 Rb5 80. Bf3 Rg5 81. Bg2 Rg7 82. Rh1 Rg6 83. Rh3 Rg8 84. Rh1 Rb8 85.
Bf3 Rb2 86. Rh3 Rb1+ 87. Kg2 Rg1+ 88. Kh2 Rg5 89. Bb7 Ke2 90. Ba6+ Ke1 91. Bb7
Rb5 92. Bg2 Bf2 93. Rf3 Rh5+ 94. Bh3 Be3 95. Kg2 Rg5+ 96. Kh2 Ke2 97. Bg2 Bf2
98. Rb3 Rh5+ 99. Rh3 Bg3+ 100. Kg1 Rg5 101. Bf1+ Ke3 102. Kg2 f3+ 103. Kh1 Kf2
104. Bc4 Rc5 0-1

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.08"]
[Round "1.3"]
[White "Valenzuela Fuentealba, Luis"]
[Black "Valdes Escobar, Alvaro"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2434"]
[BlackElo "2354"]
[PlyCount "137"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. Bg5 Be7 7. Qa4+ c6 8. Bxf6
Bxf6 9. cxd5 exd5 10. g3 O-O 11. Bg2 Re8 12. O-O Na6 13. Rad1 Nc7 14. Rfe1 g6
15. h4 Bg7 16. e3 h6 17. Qc2 Qd7 18. e4 Rad8 19. exd5 cxd5 20. Ne5 Qd6 21. h5
g5 22. Qf5 Qf6 23. Qf3 Bc8 24. Re3 Bf5 25. Qe2 Qd6 26. Qf3 Be6 27. Rde1 b5 28.
Bf1 a6 29. Bd3 Re7 30. Ng4 Bxg4 31. Qxg4 Rxe3 32. Rxe3 Re8 33. Kg2 Re6 34. Rf3
Ne8 35. Rf5 Qb6 36. Qf3 Qxd4 37. Rxf7 Rf6 38. Rxf6 Nxf6 39. Qf5 Qc5 40. Ne4 Qc6
41. Nxf6+ Qxf6 42. Qxd5+ Kh8 43. b4 Bf8 44. Bg6 Be7 45. Bd3 Kg7 46. Qe4 Kf8 47.
Bc2 Bd8 48. Qa8 Ke7 49. Qb7+ Kf8 50. Qc8 Ke7 51. Bf5 Qd6 52. Be4 Qe6 53. Qb7+
Kf6 54. Bc6 Ke5 55. Qxa6 Kd4 56. Qxb5 Be7 57. a4 Qd6 58. a5 Qxb4 59. Qxb4+ Bxb4
60. a6 Bc5 61. f4 gxf4 62. gxf4 Ba7 63. Kf3 Kc5 64. Bb7 Kd6 65. Ke4 Ke6 66.
Bc8+ Kd6 67. Bh3 Bb8 68. Bg4 Kc6 69. f5 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.08"]
[Round "1.4"]
[White "Flores Rios, Mauricio"]
[Black "Alonso, Salvador"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2417"]
[BlackElo "2403"]
[PlyCount "169"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8.
Be2 d6 9. O-O Nxd4 10. Bxd4 Bd7 11. Qd2 Bc6 12. f3 a5 13. b3 Nd7 14. Be3 Nc5
15. Rab1 Qb6 16. Kh1 Rfc8 17. Rfc1 Qd8 18. a3 a4 19. bxa4 Nxa4 20. Nd5 Bxd5 21.
cxd5 Nc3 22. Rxb7 Rxa3 23. Bf1 Bf6 24. Rb6 Qd7 25. Qb2 Raa8 26. Qb3 Qa4 27.
Qxa4 Rxa4 28. Rc6 Rca8 29. R6xc3 Bxc3 30. Rxc3 Ra1 31. Kg1 f6 32. Kf2 R8a2+ 33.
Be2 Rb1 34. Rc1 Rbb2 35. Re1 Kf7 36. f4 Ra4 37. Kf3 Ra3 38. g3 Kg7 39. Kf2 Ra4
40. Kf3 Ra3 41. h3 h6 42. Bd1 Rb1 43. Ke2 Rb2+ 44. Kf1 Rb1 45. Bf2 Ra2 46. Bf3
Rb3 47. Re2 Ra1+ 48. Kg2 Kf7 49. Bg4 Rba3 50. Be6+ Kg7 51. Rb2 R1a2 52. Rxa2
Rxa2 53. Kf3 Ra3+ 54. Be3 Rc3 55. Ke2 Ra3 56. Bg4 Ra2+ 57. Kf3 Ra3 58. Bd7 Rc3
59. h4 Ra3 60. Bh3 Rc3 61. Be6 Ra3 62. e5 Rc3 63. exf6+ exf6 64. Bd7 Kf7 65.
Bh3 Ke7 66. Be6 Ra3 67. g4 Rb3 68. Ke4 Ra3 69. h5 Ra4+ 70. Bd4 gxh5 71. gxh5
Rb4 72. Ke3 Ra4 73. Kd3 Ra3+ 74. Bc3 Ra4 75. Bd2 Ra3+ 76. Ke4 Ra2 77. Bc3 Rh2
78. Kf5 Rxh5+ 79. Kg6 Rh1 80. Bxf6+ Ke8 81. f5 h5 82. Bg5 h4 83. f6 Rg1 84. f7+
Kf8 85. Kh5 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.08"]
[Round "1.5"]
[White "Valiente, Cristobal"]
[Black "Hellsten, Johann"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2275"]
[BlackElo "2534"]
[PlyCount "72"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. Bg2 d6 6. O-O a6 7. d3 h6 8. a3 O-O
9. b4 Ba7 10. e3 Be6 11. h3 Qd7 12. Kh2 Ne7 13. Qe2 Ng6 14. d4 exd4 15. Nxd4
Bxd4 16. exd4 Rae8 17. Be3 d5 18. c5 Ne4 19. Nxe4 dxe4 20. h4 Bg4 21. f3 exf3
22. Bxf3 Bxf3 23. Qxf3 Ne7 24. Rae1 Nd5 25. Bf4 c6 26. Bd6 Rxe1 27. Rxe1 Re8
28. Re5 Rxe5 29. dxe5 Qe6 30. Kg1 Qg6 31. Qb3 Qe4 32. Kf2 Qd4+ 33. Kg2 Qd2+ 34.
Kf3 h5 35. e6 fxe6 36. Be5 Qe1 0-1

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.09"]
[Round "2.1"]
[White "Rojas Keim, Luis"]
[Black "Hellsten, Johann"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2358"]
[BlackElo "2534"]
[PlyCount "89"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. Qe2 d6 7. O-O Nbd7 8. c4
Ne5 9. Bc2 Bd7 10. Kh1 Qb6 11. Rd1 Qc7 12. b3 Be7 13. Nd2 Ng6 14. Bb2 O-O 15.
Rac1 Rac8 16. Qe3 Rfe8 17. h3 Qb8 18. f4 e5 19. fxe5 dxe5 20. Nf5 Bc5 21. Qg3
Bxf5 22. exf5 Nf4 23. Qf3 Bd4 24. Ba1 Bxa1 25. Rxa1 b5 26. Ne4 Nxe4 27. Qxe4
Nh5 28. Qh4 Nf6 29. Bd3 e4 30. Be2 Qe5 31. Rf1 e3 32. Qf4 Qb2 33. Rfe1 bxc4 34.
Bxc4 a5 35. Rad1 Re4 36. Qf3 Rce8 37. Bb5 e2 38. Rb1 Qxb1 39. Rxb1 e1=Q+ 40.
Rxe1 Rxe1+ 41. Kh2 R8e4 42. Bd3 Re8 43. Bb5 R8e4 44. Bd3 Re8 45. Bb5 1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.09"]
[Round "2.2"]
[White "Alonso, Salvador"]
[Black "Valiente, Cristobal"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2403"]
[BlackElo "2275"]
[PlyCount "75"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. c4 c6 7. Nc3 Nbd7 8. Nd2
Nb6 9. b3 c5 10. dxc5 Bxc5 11. cxd5 exd5 12. Bb2 Bg4 13. Nf3 Re8 14. Rc1 Rc8
15. Nb5 a6 16. Nbd4 Qd7 17. Qd2 Ne4 18. Qa5 Qd6 19. a3 Nd7 20. Rfd1 Bb6 21. Qe1
Ndc5 22. h3 Bxf3 23. Bxf3 Ng5 24. Bg2 Nxb3 25. Nf5 Qf8 26. Bxg7 Qxa3 27. Rxc8
Rxc8 28. Bb2 Qxb2 29. Ne7+ Kf8 30. Nxc8 Ba5 31. Rb1 Qc2 32. Qd1 Qxd1+ 33. Rxd1
Nd2 34. Bxd5 b5 35. Ra1 Bb4 36. Rxa6 Nxh3+ 37. Kg2 Ng5 38. Rb6 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.09"]
[Round "2.3"]
[White "Valdes Escobar, Alvaro"]
[Black "Flores Rios, Mauricio"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2354"]
[BlackElo "2417"]
[PlyCount "72"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 O-O 6. Be2 e5 7. O-O Na6 8. Re1
Qe8 9. Bf1 Bg4 10. d5 Nb4 11. Rb1 Bxf3 12. Qxf3 Nc2 13. Rd1 Nd4 14. Qd3 c5 15.
Ne2 Nd7 16. f3 f5 17. a3 Qf7 18. Be3 f4 19. Bf2 g5 20. b4 b6 21. a4 Qg6 22. a5
cxb4 23. axb6 Nc5 24. Qd2 a5 25. Nxd4 exd4 26. Bxd4 Bxd4+ 27. Qxd4 Rfe8 28. e5
Rxe5 29. b7 Rb8 30. Qa1 Rxb7 31. Qxa5 b3 32. Bd3 Qe8 33. Qd2 Re3 34. Bf5 Qe5
35. Be6+ Kg7 36. Qa5 Nxe6 0-1

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.09"]
[Round "2.4"]
[White "Vasquez Schroder, Rodrigo"]
[Black "Valenzuela Fuentealba, Luis"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2522"]
[BlackElo "2434"]
[PlyCount "94"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. d3 e6 5. Bb3 Be7 6. O-O O-O 7. c3 Nc6 8. Re1
b5 9. d4 d5 10. e5 Nd7 11. Nbd2 b4 12. Nf1 bxc3 13. bxc3 Ba6 14. Ng3 Rc8 15.
Bc2 g6 16. a3 Qa5 17. Bd2 Bc4 18. h4 Rb8 19. Nf1 Bxf1 20. Rxf1 Nb6 21. c4 Qa6
22. cxd5 Nxd5 23. dxc5 Rfd8 24. Qe1 Bxc5 25. Qe4 Nde7 26. Be3 Qa5 27. Bg5 Nd4
28. Nxd4 Rxd4 29. Qf3 Nd5 30. Rfb1 Bb6 31. Bb3 Re8 32. g3 h5 33. Rd1 Rxd1+ 34.
Rxd1 Bc7 35. Bxd5 exd5 36. Rxd5 Qe1+ 37. Kg2 Rxe5 38. Rxe5 Bxe5 39. Qa8+ Kg7
40. Qxa7 Qe4+ 41. f3 Qc2+ 42. Qf2 Qb3 43. Bc1 Kh7 44. Qd2 Bf6 45. Qe2 Bd4 46.
Qe4 Qa2+ 47. Kh3 Bg1 0-1

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.09"]
[Round "2.5"]
[White "Ricardi, Pablo"]
[Black "Lopez Silva, Hugo"]
[Result "1-0"]
[ECO "C92"]
[WhiteElo "2519"]
[BlackElo "2389"]
[PlyCount "57"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 d6 8. c3
O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a4 h6 13. Bc2 exd4 14. cxd4 Nb4 15.
Bb1 c5 16. d5 Nd7 17. Ra3 f5 18. e5 Nxe5 19. Nxe5 dxe5 20. Bxf5 Qxd5 21. Rg3 e4
22. Bxe4 Qf7 23. Ree3 Bxe4 24. Nxe4 Rad8 25. Qg4 Rd4 26. Rgf3 Qc7 27. Bd2 Red8
28. Qg6 Kh8 29. Rf7 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.10"]
[Round "3.1"]
[White "Lopez Silva, Hugo"]
[Black "Rojas Keim, Luis"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2389"]
[BlackElo "2358"]
[PlyCount "43"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. c5 Be7 7. Nf3 O-O 8. Bd3
b6 9. b4 Nc6 10. a3 bxc5 11. bxc5 e5 12. dxe5 Ng4 13. Nxd5 Bxc5 14. O-O Ncxe5
15. Nxe5 Nxe5 16. Bxh7+ Kxh7 17. Qc2+ f5 18. Qxc5 Ba6 19. Rd1 Be2 20. Rd4 Rc8
21. Ne7 Ng4 22. Rxd8 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.10"]
[Round "3.2"]
[White "Valenzuela Fuentealba, Luis"]
[Black "Ricardi, Pablo"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2434"]
[BlackElo "2519"]
[PlyCount "41"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 a5 8. Bg5 h6
9. Bh4 Na6 10. Nd2 Qe8 11. a3 Bd7 12. b3 Nc5 13. O-O Nfxe4 14. Ndxe4 Nxe4 15.
Nxe4 f5 16. Nd2 g5 17. Bh5 Qe7 18. Bg3 g4 19. Ne4 fxe4 20. Bxg4 Be8 21. Bh5
1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.10"]
[Round "3.3"]
[White "Flores Rios, Mauricio"]
[Black "Vasquez Schroder, Rodrigo"]
[Result "1-0"]
[ECO "B66"]
[WhiteElo "2417"]
[BlackElo "2522"]
[PlyCount "115"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Bb4 12. a3 Ba5 13. Be2 Qb6 14. Qg3
Bxc3 15. Qxc3 O-O 16. Be3 Qd8 17. e5 Nd7 18. Qxc6 Rb8 19. f4 Bb7 20. Qd6 Rc8
21. Bd3 Rc6 22. Qb4 Qc7 23. Kb1 a5 24. Qe7 Ba6 25. Bxa6 Rxa6 26. Rhf1 Rc6 27.
f5 Rxc2 28. Bd4 Qc6 29. fxe6 fxe6 30. Rxf8+ Nxf8 31. Qd8 Qc4 32. Qxa5 Rxg2 33.
Qc3 Qa4 34. Rd2 Rg4 35. Ka2 Ng6 36. b3 Qa6 37. b4 Ne7 38. Rb2 Qa4 39. Bc5 Nc6
40. Qb3 Qa8 41. Rf2 Kh7 42. Re2 Rc4 43. Kb2 Rf4 44. Qd3+ Kh8 45. Qg6 Qc8 46.
Qd3 Qb7 47. Ka2 Qa8 48. Kb2 Qb7 49. Ka2 Qf7 50. b5 Na5 51. b6 Qd7 52. Qa6 Ra4
53. Rb2 d4 54. Qa8+ Kh7 55. Qe4+ Kg8 56. b7 Nxb7 57. Qxb7 Qe8 58. Qb8 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.10"]
[Round "3.4"]
[White "Valiente, Cristobal"]
[Black "Valdes Escobar, Alvaro"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2275"]
[BlackElo "2354"]
[PlyCount "102"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. c4 Nf6 2. Nf3 c5 3. Nc3 b6 4. e3 e6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8.
Bb5+ Bd7 9. Bxd7+ Nxd7 10. Nxd5 exd5 11. O-O Be7 12. Bf4 O-O 13. Rc1 Nf6 14.
Ne5 Re8 15. Re1 Bf8 16. Bg5 h6 17. Bh4 g5 18. Bg3 Rc8 19. h4 Rxc1 20. Qxc1 Ne4
21. Nc6 Qd7 22. Ne5 Qc8 23. Qd1 Nxg3 24. fxg3 f6 25. Nf3 Bd6 26. Qb1 Rxe1+ 27.
Qxe1 g4 28. Nd2 Kf7 29. Nf1 Qe6 30. Qd2 Kg6 31. Qc2+ Qe4 32. Qxe4+ dxe4 33. Kf2
f5 34. Ne3 Kf6 35. Nd5+ Ke6 36. Nc3 e3+ 37. Kxe3 Bxg3 38. h5 Kf6 39. Nd5+ Kg5
40. Ne7 Bf4+ 41. Kf2 a6 42. b3 Bc7 43. g3 f4 44. gxf4+ Bxf4 45. Nd5 b5 46. Nxf4
Kxf4 47. Kg2 b4 48. Kf2 Ke4 49. Kg3 Kxd4 50. Kxg4 Ke4 51. Kg3 Kf5 0-1

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.10"]
[Round "3.5"]
[White "Hellsten, Johann"]
[Black "Alonso, Salvador"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2534"]
[BlackElo "2403"]
[PlyCount "44"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bf4 Nc6 6. e3 a6 7. Bd3 Bg4 8.
Nge2 e6 9. Rc1 Be7 10. O-O O-O 11. a3 Rc8 12. Na4 Nd7 13. b4 e5 14. dxe5 Ndxe5
15. f3 Be6 16. Nc5 Nxd3 17. Qxd3 Qb6 18. Nd4 Nxd4 19. Qxd4 Rfe8 20. Be5 f6 21.
Nxe6 Qxe6 22. Bc7 Bf8 1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.11"]
[Round "4.1"]
[White "Rojas Keim, Luis"]
[Black "Alonso, Salvador"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2358"]
[BlackElo "2403"]
[PlyCount "69"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8.
O-O-O Be7 9. f3 h5 10. f4 Bb4 11. Bd3 b5 12. Kb1 Bb7 13. Nb3 Rc8 14. Bc5 Bxc5
15. Nxc5 d6 16. Nxb7 Qxb7 17. Rhe1 b4 18. Na4 e5 19. Qe2 Nd4 20. Bxa6 Rxc2 21.
Qxc2 Qxa6 22. Rxd4 exd4 23. e5 dxe5 24. Nc5 Qa8 25. Rxe5+ Kf8 26. Ne4 Nd7 27.
Rb5 Rh6 28. Rxb4 Rc6 29. Qd3 Qc8 30. a3 Nf6 31. Nxf6 gxf6 32. Qxd4 Rc1+ 33. Ka2
Qe6+ 34. Rb3 Qe1 35. Qd8+ 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.11"]
[Round "4.2"]
[White "Valdes Escobar, Alvaro"]
[Black "Hellsten, Johann"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2354"]
[BlackElo "2534"]
[PlyCount "132"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. Bg2 d6 6. d3 h6 7. O-O a6 8. a3 O-O
9. b4 Ba7 10. Bb2 Be6 11. Rc1 Qd7 12. Nd2 Bh3 13. Nd5 Nxd5 14. cxd5 Bxg2 15.
Kxg2 Ne7 16. e4 c6 17. dxc6 Nxc6 18. Qb3 Rac8 19. Nf3 Qe6 20. Qxe6 fxe6 21. Rc2
Rc7 22. Nd2 Rcf7 23. Nc4 Bb8 24. Re2 g5 25. h3 Kh7 26. Ne3 h5 27. Rd1 Ba7 28.
Rf1 Rf3 29. Ree1 Kg6 30. Bc1 b5 31. Rd1 R3f7 32. Bb2 Rc8 33. Rc1 Rfc7 34. Nc2
d5 35. Ne3 dxe4 36. dxe4 Bd4 37. Nd1 g4 38. hxg4 hxg4 39. f4 gxf3+ 40. Rxf3
Bxb2 41. Nxb2 Nd4 42. Rxc7 Rxc7 43. Rf2 Rc3 44. Rd2 Re3 45. Nd3 Rxe4 46. Kf2
Kf5 47. Nc5 Rg4 48. Nxa6 Ke4 49. Nc5+ Kd5 50. a4 bxa4 51. Nxa4 Rg8 52. Nc5 Rf8+
53. Kg2 Rb8 54. Nd3 e4 55. Nf4+ Kc4 56. Kf2 Rxb4 57. Ne2 Nf5 58. Rd8 e5 59. Re8
Kd5 60. g4 e3+ 61. Kf3 Nd4+ 62. Nxd4 exd4 63. g5 Rb6 64. Re4 Rb2 65. Rg4 Rf2+
66. Kg3 Rf1 0-1

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.11"]
[Round "4.3"]
[White "Vasquez Schroder, Rodrigo"]
[Black "Valiente, Cristobal"]
[Result "1/2-1/2"]
[ECO "A70"]
[WhiteElo "2522"]
[BlackElo "2275"]
[PlyCount "39"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 d6 5. e4 exd5 6. cxd5 g6 7. h3 Bg7 8. Nf3
O-O 9. Bd3 Na6 10. O-O Nc7 11. a4 b6 12. Bf4 a6 13. Qd2 Re8 14. Rfe1 Bb7 15.
Bg5 Qd7 16. Qf4 Nh5 17. Qh4 h6 18. Bd2 b5 19. Qg4 Qd8 20. Nh2 1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.11"]
[Round "4.4"]
[White "Ricardi, Pablo"]
[Black "Flores Rios, Mauricio"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2519"]
[BlackElo "2417"]
[PlyCount "120"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be2 Qc7 6. O-O a6 7. Kh1 Nf6 8.
Nc3 Nxd4 9. Qxd4 Bc5 10. Qd3 h5 11. f4 b5 12. Bf3 Bb7 13. e5 Ng4 14. Bxb7 Qxb7
15. Ne4 Rc8 16. Bd2 Be7 17. Rae1 O-O 18. a3 Qc6 19. Bc3 Nh6 20. Qe2 h4 21. Rf3
Ng4 22. f5 exf5 23. Rxf5 Nh6 24. Rf3 Qg6 25. Rd3 Nf5 26. Rxd7 Rfd8 27. Rxd8+
Bxd8 28. Nd6 Nxd6 29. exd6 Bb6 30. d7 Rd8 31. h3 Qf5 32. Qe8+ Kh7 33. Qe7 f6
34. Qe6 Qxe6 35. Rxe6 Bc7 36. Re4 Rxd7 37. Rxh4+ Kg6 38. Rd4 Re7 39. g4 Re2 40.
Rd2 Re3 41. Rd3 Re2 42. Rd2 Re3 43. Rd3 Re2 44. Bd2 Be5 45. b3 Kf7 46. Kg1 Ke6
47. Kf1 Rh2 48. c4 Rh1+ 49. Ke2 Ra1 50. cxb5 axb5 51. Bb4 g5 52. Kf3 Rb1 53. a4
bxa4 54. bxa4 Rxb4 55. Ra3 Bd6 56. Ra2 Rb3+ 57. Ke4 Bc5 58. Re2 Rxh3 59. a5 Ra3
60. a6 Rxa6 0-1

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.11"]
[Round "4.5"]
[White "Lopez Silva, Hugo"]
[Black "Valenzuela Fuentealba, Luis"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2389"]
[BlackElo "2434"]
[PlyCount "56"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 g6 7. g4 Bg7 8. g5
Nh5 9. Be3 O-O 10. Qd2 Nc6 11. O-O-O Nxd4 12. Bxd4 Bxd4 13. Qxd4 e5 14. Qd2 Be6
15. h4 Qa5 16. a3 Rad8 17. Be2 Nf4 18. h5 Qc5 19. Rh2 b5 20. Bf3 a5 21. Qe3 b4
22. axb4 Qxb4 23. Rdh1 Rd7 24. Bd1 Rb8 25. b3 Rc7 26. Ne2 Bxb3 27. Nxf4 Bxc2
28. Nd5 Bxe4+ 0-1

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.12"]
[Round "5.1"]
[White "Valenzuela Fuentealba, Luis"]
[Black "Rojas Keim, Luis"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2434"]
[BlackElo "2358"]
[PlyCount "116"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8.
Be3 O-O 9. Qd2 Bg4 10. Ng5 cxd4 11. cxd4 Nc6 12. h3 Bd7 13. Nf3 Rc8 14. Be2 Qa5
15. Rb1 b6 16. Bb5 Qxd2+ 17. Kxd2 f5 18. d5 Nb8 19. Rhc1 Rxc1 20. Kxc1 fxe4 21.
Ng5 Bh6 22. Nxe4 Bxe3+ 23. fxe3 Bxb5 24. Rxb5 Rf1+ 25. Kd2 Nd7 26. Rb3 Rg1 27.
g4 Rg2+ 28. Kd3 Rxa2 29. Rc3 Ra5 30. Rc8+ Kg7 31. d6 Ne5+ 32. Ke2 Ra2+ 33. Kf1
exd6 34. Rc7+ Kf8 35. Nxd6 a5 36. Rb7 Rb2 37. Rxh7 b5 38. Rb7 b4 39. Rb5 Nc6
40. Nc4 Rc2 41. Nxa5 Nxa5 42. Rxb4 Nc4 43. Rb7 Nxe3+ 44. Kg1 Nd5 45. g5 Nf4 46.
h4 Rg2+ 47. Kh1 Re2 48. Rb6 Ke7 49. Rb4 Nh5 50. Rb6 Kf7 51. Rb4 Ke6 52. Kg1 Kf5
53. Rb6 Re6 54. Rb4 Re4 55. Rb5+ Kg4 56. Rb6 Nf4 57. Kf2 Re2+ 58. Kf1 Rh2 0-1

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.12"]
[Round "5.2"]
[White "Flores Rios, Mauricio"]
[Black "Lopez Silva, Hugo"]
[Result "1-0"]
[ECO "C92"]
[WhiteElo "2417"]
[BlackElo "2389"]
[PlyCount "79"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 d6 8. c3
O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. d5 Nb8 13. Nf1 Nbd7 14. N3h2 Nc5 15.
Bc2 c6 16. b4 Ncd7 17. dxc6 Bxc6 18. Bg5 h6 19. Bxf6 Nxf6 20. Ng4 Nxg4 21. Qxg4
d5 22. exd5 Qxd5 23. Bb3 Qd7 24. Qh5 Qb7 25. Ne3 a5 26. a3 axb4 27. cxb4 Ra7
28. Qg6 Rc8 29. Ng4 Kh8 30. Qh5 f6 31. Qg6 Bd5 32. Bc2 Bg8 33. Be4 Qf7 34. Qf5
Rc3 35. Rad1 Rcxa3 36. Rd8 Ra1 37. Rxa1 Rxa1+ 38. Kh2 Ra7 39. Qc8 Rc7 40. Qb8
1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.12"]
[Round "5.3"]
[White "Valiente, Cristobal"]
[Black "Ricardi, Pablo"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "2275"]
[BlackElo "2519"]
[PlyCount "72"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Nc6 7. O-O a6 8. h3
Rb8 9. Bf4 b5 10. cxb5 axb5 11. Rc1 Ba6 12. d5 Na5 13. b4 Nc4 14. Nd4 Qe8 15.
Qd3 Nd7 16. Rc2 Ndb6 17. Nc6 Ra8 18. Bg5 f6 19. Bc1 Ne5 20. Nxe5 dxe5 21. Ne4
f5 22. Ng5 e4 23. Qb3 Nc4 24. Ne6 Qd7 25. Rd1 Rf6 26. Nc5 Qd8 27. a4 bxa4 28.
Nxa4 Rd6 29. b5 Na5 30. Qb4 Bb7 31. Nc5 Bxd5 32. Rcd2 Bf7 33. f3 Nc4 34. Rxd6
cxd6 35. Nb3 Qb6+ 36. Kh2 Ra2 0-1

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.12"]
[Round "5.4"]
[White "Hellsten, Johann"]
[Black "Vasquez Schroder, Rodrigo"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2534"]
[BlackElo "2522"]
[PlyCount "36"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Nbd7 8.
O-O Be7 9. e3 O-O 10. Qe2 Ne4 11. Rd1 Qc7 12. Nc3 Nxc3 13. bxc3 Be4 14. c4 Rfd8
15. Bb2 c5 16. Bf1 Bf6 17. Nd2 Bc2 18. Rdc1 Bg6 1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.12"]
[Round "5.5"]
[White "Alonso, Salvador"]
[Black "Valdes Escobar, Alvaro"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2403"]
[BlackElo "2354"]
[PlyCount "99"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4
Be6 9. Bxe6 fxe6 10. Ng5 Qd7 11. Qf3 d5 12. O-O-O d4 13. Bxd4 exd4 14. e5 O-O
15. Qh3 Nh5 16. Qxh5 Bxg5+ 17. Qxg5 Nc6 18. f4 Kh8 19. Kb1 Rac8 20. Ne2 Qd5 21.
a3 b5 22. Qg3 b4 23. a4 Rb8 24. b3 Rbd8 25. Rd3 Qc5 26. Rhd1 Rd7 27. Qh3 Re8
28. g3 a5 29. Qg2 Red8 30. h4 Ne7 31. Kb2 Nf5 32. Qe4 h5 33. R1d2 Rd5 34. Qf3
g6 35. g4 hxg4 36. Qxg4 Rg8 37. h5 g5 38. fxg5 Rxe5 39. Qf4 Rf8 40. g6 Kg7 41.
Rf3 Rd5 42. Qe4 Nd6 43. h6+ Kxh6 44. Rh3+ Rh5 45. Qxe6 Rxh3 46. Qxh3+ Kxg6 47.
Qe6+ Rf6 48. Nf4+ Kg5 49. Rg2+ Kxf4 50. Qxf6+ 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.13"]
[Round "6.1"]
[White "Rojas Keim, Luis"]
[Black "Valdes Escobar, Alvaro"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2358"]
[BlackElo "2354"]
[PlyCount "63"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. Bg5
Be7 9. Qf3 Qc7 10. O-O-O Nbd7 11. Rhe1 O-O 12. Qg3 Nc5 13. Bh6 Ne8 14. Bd5 Bb7
15. Bxb7 Nxb7 16. a3 Kh8 17. Bg5 Rc8 18. f4 Bxg5 19. Qxg5 Nf6 20. Re3 Qc5 21.
e5 h6 22. Qg3 dxe5 23. fxe5 Nh7 24. Ne4 Qe7 25. Nd6 Rc7 26. h4 Rd8 27. Red3 Nc5
28. Rc3 Rdd7 29. Qf3 Na4 30. Rc6 Rxc6 31. Nxc6 Qf8 32. Qe3 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.13"]
[Round "6.2"]
[White "Vasquez Schroder, Rodrigo"]
[Black "Alonso, Salvador"]
[Result "0-1"]
[ECO "B63"]
[WhiteElo "2522"]
[BlackElo "2403"]
[PlyCount "66"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8.
O-O-O O-O 9. f3 a6 10. h4 Nxd4 11. Qxd4 Qc7 12. Bc4 b5 13. Bb3 Rb8 14. Bxf6
Bxf6 15. Qxd6 Qa7 16. Kb1 a5 17. a3 a4 18. Ba2 Be7 19. Qd4 Bc5 20. Qe5 b4 21.
Nxa4 Be7 22. axb4 Rxb4 23. Bb3 Bd7 24. Rxd7 Qxd7 25. Qa5 Qc6 26. Qa7 Rb7 27.
Qd4 Ra8 28. Nc3 Rb4 29. Qd3 Bf6 30. Na2 Rd4 31. Qe3 Qb6 32. Qe1 Be5 33. Qc1 Qb8
0-1

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.13"]
[Round "6.3"]
[White "Ricardi, Pablo"]
[Black "Hellsten, Johann"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2519"]
[BlackElo "2534"]
[PlyCount "62"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Bb4 7. O-O d6 8. Bg5
Nbd7 9. f4 h6 10. Bh4 Nf8 11. e5 dxe5 12. fxe5 Ng6 13. exf6 Nxh4 14. Ne4 g6 15.
c3 Bf8 16. Qa4+ Bd7 17. Qb3 Qc7 18. Rad1 O-O-O 19. Rd3 e5 20. Nf3 Bc5+ 21. Kh1
Be6 22. Rxd8+ Rxd8 23. Bc4 Bxc4 24. Qxc4 Nxf3 25. Rxf3 Ba3 26. Qe2 Bxb2 27. h3
Ba3 28. Rf1 Qc6 29. Rb1 Bf8 30. Kh2 Qd5 31. Rb3 h5 0-1

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.13"]
[Round "6.4"]
[White "Lopez Silva, Hugo"]
[Black "Valiente, Cristobal"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2389"]
[BlackElo "2275"]
[PlyCount "83"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 exd4 6. e5 d5 7. exf6 dxc4 8.
Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4 O-O-O 12. g4 Qe5 13. Nf3 Qd5 14. fxg7
Rhg8 15. Nf6 Qd6 16. Ne4 Qd5 17. Nf6 Qd6 18. Nxg8 Rxg8 19. Ng5 Rxg7 20. Nxe6
fxe6 21. h3 Qd5 22. Qe2 d3 23. Qxe6+ Qxe6 24. Rxe6 Nd4 25. Re8+ Kd7 26. Re4
Nxc2 27. Rxc4 b6 28. Rb1 Re7 29. Bg5 Re2 30. Rd1 Re1+ 31. Rxe1 Nxe1 32. Kf1 Nf3
33. Bf4 Ke6 34. Rc3 Kd5 35. Be3 Bd6 36. Rxd3+ Ke4 37. Rd1 Be5 38. b3 Nd4 39.
Bxd4 Bxd4 40. f4 c5 41. f5 Ke5 42. Kg2 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.13"]
[Round "6.5"]
[White "Valenzuela Fuentealba, Luis"]
[Black "Flores Rios, Mauricio"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2434"]
[BlackElo "2417"]
[PlyCount "176"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 a5 8. Bg5 h6
9. Bh4 Na6 10. Nd2 Qe8 11. a3 Bd7 12. b3 Nh7 13. O-O h5 14. f3 Bh6 15. Rb1 Be3+
16. Kh1 Bc5 17. Qc1 f5 18. exf5 gxf5 19. Na2 Qg6 20. b4 axb4 21. axb4 Be3 22.
Qc3 Qh6 23. Nb3 b6 24. Nac1 Qf4 25. g3 Bd4 26. Nxd4 exd4 27. gxf4 dxc3 28. Bd3
Rfb8 29. Be1 c2 30. Bxc2 Kf7 31. Nd3 Nf6 32. Bb3 Re8 33. Bd2 Re2 34. Rb2 Nb8
35. Re1 Rxe1+ 36. Bxe1 Ra3 37. b5 Bc8 38. Bb4 Ra1+ 39. Kg2 Nbd7 40. Ra2 Rxa2+
41. Bxa2 Nf8 42. h4 Ng6 43. Kg3 Ne8 44. Bb1 Ne7 45. Bc3 Ng6 46. Nb4 Ne7 47. Nc2
Ng6 48. Nd4 Ne7 49. Bd3 Bd7 50. Nc2 Bc8 51. Nb4 Bd7 52. Na6 Bc8 53. Nb8 Kf8 54.
Bh8 Kf7 55. Bd4 Kf8 56. Na6 Kf7 57. Bc2 Kf8 58. Bb3 Bd7 59. Nb8 Bc8 60. Bc2 Kf7
61. Na6 Kf8 62. Nb4 Bd7 63. Nd3 Ng6 64. Nf2 Ne7 65. Bd3 Bc8 66. Nh3 Bd7 67. Ng5
Bc8 68. Nh3 Bd7 69. Nf2 Bc8 70. Nd1 Bd7 71. Nc3 Kf7 72. Be3 Kf8 73. Ne2 Bc8 74.
Kh3 Kf7 75. Bd4 Bd7 76. Ng3 Kg6 77. Nh1 Bc8 78. Be3 Bd7 79. Ng3 Bc8 80. Ne2 Bd7
81. Nd4 Kf7 82. Kg3 Bc8 83. Nc6 Kf8 84. Bd4 Kf7 85. Nd8+ Kf8 86. Bc2 Bd7 87.
Bb3 Bc8 88. Ba4 Bd7 1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.13"]
[Round "7.1"]
[White "Flores Rios, Mauricio"]
[Black "Rojas Keim, Luis"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2417"]
[BlackElo "2358"]
[PlyCount "73"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. Qg4 f5 6. Qg3 b6 7. Bd2 Ba6 8. Bxa6
Nxa6 9. Qd3 Nb8 10. Nce2 Bxd2+ 11. Qxd2 Nh6 12. O-O-O Nc6 13. Nf3 O-O-O 14. Nf4
Nf7 15. h4 g6 16. Ng5 Nxg5 17. hxg5 Rhe8 18. Kb1 Re7 19. f3 Kb7 20. Nh3 Na5 21.
b3 Rc8 22. Nf2 c5 23. dxc5 Rxc5 24. c4 Nc6 25. Nd3 Ra5 26. Nb4 Nxe5 27. cxd5
Qd6 28. dxe6 Qxe6 29. Rhe1 Qf7 30. Nd5 Re8 31. Nf6 Re7 32. f4 Ng4 33. Qd6 Ne3
34. Rd3 Re6 35. Qd4 Nc2 36. Qd7+ Ka6 37. Qxf7 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.13"]
[Round "7.2"]
[White "Valiente, Cristobal"]
[Black "Valenzuela Fuentealba, Luis"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2275"]
[BlackElo "2434"]
[PlyCount "34"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. d4 Bf5 5. Qb3 Qc7 6. cxd5 cxd5 7. Nc3 e6 8. Be2
Nc6 9. O-O a6 10. Bd2 Bd6 11. Rfc1 O-O 12. Be1 Rfc8 13. g3 b5 14. Qd1 Qb7 15.
Nh4 Bh3 16. Bf3 Ne7 17. Ne2 Bg4 1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.13"]
[Round "7.3"]
[White "Hellsten, Johann"]
[Black "Lopez Silva, Hugo"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2534"]
[BlackElo "2389"]
[PlyCount "119"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. h3
O-O 9. Bg5 Nbd7 10. Nf3 a6 11. a4 Qc7 12. O-O c4 13. Bc2 Rb8 14. Be3 Re8 15.
Ba7 Ra8 16. Bd4 Nc5 17. Re1 Bd7 18. e5 Nh5 19. Bxc5 Qxc5 20. Ne4 Qb4 21. Nxd6
Re7 22. Re4 Bxe5 23. Nxe5 Qxd6 24. Nxc4 Qf6 25. Rxe7 Qxe7 26. Nb6 Rd8 27. Qd4
Qg5 28. h4 Nf4 29. hxg5 Ne2+ 30. Kh2 Nxd4 31. Be4 Bf5 32. Rd1 Nb3 33. Bxf5 gxf5
34. Kg3 Kg7 35. Kf4 Kg6 36. d6 Nc5 37. Ke5 Kxg5 38. d7 h5 39. Kd6 Nxd7 40. Nxd7
Rc8 41. Rd2 Rc4 42. a5 Ra4 43. Nc5 Rxa5 44. Nxb7 Ra2 45. Nd8 Kf6 46. Nc6 a5 47.
f4 a4 48. Nb4 Ra1 49. Nd5+ Kg6 50. Ne7+ Kf6 51. Rd5 Rb1 52. Rxf5+ Kg7 53. Rg5+
Kh6 54. Nf5+ Kh7 55. Rxh5+ Kg8 56. Rg5+ Kh7 57. Ke7 Rxb2 58. Kxf7 Rb7+ 59. Ne7
Kh6 60. g4 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.13"]
[Round "7.4"]
[White "Alonso, Salvador"]
[Black "Ricardi, Pablo"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2403"]
[BlackElo "2519"]
[PlyCount "29"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. h3
Bb7 9. d3 d6 10. a3 Re8 11. Nc3 h6 12. Nd5 Bf8 13. c3 Nb8 14. Nxf6+ Qxf6 15.
Nh2 1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.13"]
[Round "7.5"]
[White "Valdes Escobar, Alvaro"]
[Black "Vasquez Schroder, Rodrigo"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2354"]
[BlackElo "2522"]
[PlyCount "38"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. c4 Nc6 3. Ne2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8.
Be2 b6 9. O-O Bb7 10. f3 Qb8 11. Qd2 Rd8 12. Rfd1 d6 13. Rac1 Rd7 14. Bf1 Qf8
15. Nxc6 Bxc6 16. Qf2 e6 17. Rd2 h6 18. Rcd1 Rad8 19. Nb5 Qe7 1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.14"]
[Round "8.1"]
[White "Rojas Keim, Luis"]
[Black "Vasquez Schroder, Rodrigo"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2358"]
[BlackElo "2522"]
[PlyCount "1"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.14"]
[Round "8.2"]
[White "Ricardi, Pablo"]
[Black "Valdes Escobar, Alvaro"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2519"]
[BlackElo "2354"]
[PlyCount "111"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O h6 10. Bxf6 Bxf6 11. Be2 Nc6 12. Nb3 Bd7 13. g4 O-O-O 14. h4 Be7
15. g5 hxg5 16. hxg5 g6 17. Kb1 Rdg8 18. Qf2 Kb8 19. Nd2 Na5 20. Qd4 Rxh1 21.
Rxh1 Qc5 22. Qxc5 dxc5 23. Rh7 Be8 24. e5 Nc6 25. Nce4 Nd8 26. b3 Kc7 27. Kb2
b5 28. a3 Bc6 29. Bf3 Bxe4 30. Bxe4 Kd7 31. a4 Ke8 32. Nb1 Kf8 33. Na3 b4 34.
Nc4 Ke8 35. Nb6 c4 36. Nxc4 Bc5 37. Kc1 Kd7 38. Kd2 Ke7 39. Ke2 Kd7 40. Nb2 Kc7
41. Nd3 Be7 42. Nf2 Kd7 43. Ng4 Rf8 44. Kd3 Rg8 45. Nh6 Rf8 46. Kc4 Ke8 47. Kd3
Kd7 48. Ke2 Ke8 49. Kf3 Kd7 50. Kg4 Ke8 51. Nxf7 Rxf7 52. Bxg6 Kf8 53. Bxf7
Nxf7 54. Kh5 Bc5 55. g6 Nd8 56. Rh8+ 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.14"]
[Round "8.3"]
[White "Lopez Silva, Hugo"]
[Black "Alonso, Salvador"]
[Result "0-1"]
[WhiteElo "2389"]
[BlackElo "2403"]
[PlyCount "0"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

 0-1

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.14"]
[Round "8.4"]
[White "Valenzuela Fuentealba, Luis"]
[Black "Hellsten, Johann"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2434"]
[BlackElo "2534"]
[PlyCount "26"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. a3 Ba6 5. Qc2 Bb7 6. Nc3 c5 7. e4 cxd4 8. Nxd4
d6 9. Be2 a6 10. Be3 Be7 11. O-O O-O 12. Rfd1 Qc7 13. Rac1 Nbd7 1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.14"]
[Round "8.5"]
[White "Flores Rios, Mauricio"]
[Black "Valiente, Cristobal"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2417"]
[BlackElo "2275"]
[PlyCount "25"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 c6 5. Qd2 Nd7 6. O-O-O b5 7. h4 h5 8. Nh3
Ngf6 9. f3 Qa5 10. Kb1 Bb7 11. Ng5 b4 12. Ne2 c5 13. dxc5 1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.14"]
[Round "9.1"]
[White "Valiente, Cristobal"]
[Black "Rojas Keim, Luis"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2275"]
[BlackElo "2358"]
[PlyCount "41"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. c4 c6 2. d4 d5 3. Nf3 dxc4 4. a4 b5 5. Nc3 b4 6. Nb1 Nf6 7. e3 e6 8. Bxc4
Nbd7 9. O-O a5 10. Qe2 Bb7 11. e4 Be7 12. Rd1 O-O 13. Bf4 Re8 14. Ne5 Nxe5 15.
Bxe5 Qb6 16. Nd2 c5 17. Bb5 Bc6 18. Bxc6 Qxc6 19. Rdc1 Nd7 20. Bf4 Qb7 21. Nb3
1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.14"]
[Round "9.2"]
[White "Hellsten, Johann"]
[Black "Flores Rios, Mauricio"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "2534"]
[BlackElo "2417"]
[PlyCount "99"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 O-O 6. Qd2 c5 7. d5 a6 8. a4 e6
9. Nge2 exd5 10. cxd5 Nbd7 11. Ng3 Qa5 12. Be2 Re8 13. O-O h5 14. f3 Nh7 15.
Bh6 Bh8 16. Nh1 c4 17. Nf2 Nc5 18. Bxc4 Bd7 19. Nd3 Bxc3 20. bxc3 Nxa4 21. Be3
Qxc3 22. Qa2 Rec8 23. Rac1 Qg7 24. Qf2 Nc3 25. Nb2 Na4 26. Bd4 Qf8 27. Nd3 Rc7
28. Bb3 Rac8 29. Rxc7 Rxc7 30. e5 Rc8 31. e6 Bb5 32. Bxa4 Bxa4 33. Nf4 Be8 34.
Nxh5 Qh6 35. Ng3 Qg5 36. exf7+ Bxf7 37. Ne4 Qxd5 38. Ba1 b5 39. Qb2 Qe5 40. Qa3
Qe7 41. Qxa6 Rb8 42. Re1 Kf8 43. Bc3 Qc7 44. Bb4 Qb6+ 45. Qxb6 Rxb6 46. Nxd6
Kg8 47. Re7 Bc4 48. Re8+ Kg7 49. Bc3+ Kh6 50. Nxc4 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.14"]
[Round "9.3"]
[White "Alonso, Salvador"]
[Black "Valenzuela Fuentealba, Luis"]
[Result "1/2-1/2"]
[ECO "B91"]
[WhiteElo "2403"]
[BlackElo "2434"]
[PlyCount "23"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Be7 8. a4
O-O 9. Bg2 Be6 10. O-O Nbd7 11. a5 Qc7 12. Nd5 1/2-1/2

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.14"]
[Round "9.4"]
[White "Valdes Escobar, Alvaro"]
[Black "Lopez Silva, Hugo"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2354"]
[BlackElo "2389"]
[PlyCount "75"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 d6 7. Nc3 Nf6 8. Be2
O-O 9. O-O Bd7 10. Qd2 a6 11. f3 Qa5 12. Rfd1 Rfc8 13. Rac1 Rab8 14. b3 Nxd4
15. Bxd4 b5 16. e5 dxe5 17. Bxe5 Ra8 18. Bxf6 Bxf6 19. Nd5 Qxd2 20. Nxf6+ exf6
21. Rxd2 Be8 22. c5 b4 23. Rd6 a5 24. Rxf6 a4 25. Rb6 axb3 26. axb3 Ra5 27. c6
Re5 28. Bb5 Re3 29. Rc4 Kf8 30. c7 Bxb5 31. Rxb5 Ke7 32. Rbxb4 Kd6 33. Kf2 Re5
34. Rb6+ Kd7 35. Rb7 Re6 36. Kg3 Rc6 37. Rxc6 Kxc6 38. Rb4 1-0

[Event "Magistral Endesa Norma GM"]
[Site "Santiago de Chile CHI"]
[Date "2007.10.14"]
[Round "9.5"]
[White "Vasquez Schroder, Rodrigo"]
[Black "Ricardi, Pablo"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2522"]
[BlackElo "2519"]
[PlyCount "19"]
[EventDate "2007.10.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHI"]
[EventCategory "7"]
[Source "lmi"]
[SourceDate "2007.10.08"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. g3 Nf6 5. Bg2 g6 6. h3 c5 7. Nf3 Bg7 8. O-O
O-O 9. Re1 Nc6 10. d3 1/2-1/2

