[Event "Mar del Plata op 47th"]
[Site "Mar del Plata"]
[Date "2016.03.24"]
[Round "7"]
[White "Viera, Matias Nahuel"]
[Black "Arambel, Sergio Javier"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2000"]
[BlackElo "2260"]
[PlyCount "65"]
[EventDate "2016.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. e3 c5 4. c4 d5 5. Nc3 Nc6 6. Be2 Bd6 7. 0-0 0-0 8. Nb5 Be7 9. dxc5 Bxc5 10. Nbd4 Qe7 11. cxd5 exd5 12. b3 Bd7 13. Bb2 Rac8 14. h3 Rfe8 15. Bd3 Ne4 16. Rc1 a6 17. Nxc6 Bxc6 18. Ne5 Nf6 19. Nxc6 Rxc6 20. Bxf6 Qxf6 21. Qh5 g6 22. Qxd5 Rec8 23. Rcd1 b5 24. Be4 Rd6 25. Qb7 Rcd8 26. Rxd6 Qxd6 27. Bc6 Kg7 28. Qxa6 b4 29. Bb5 Qxa6 30. Bxa6 Ra8 31. Bc4 Rxa2 32. Rd1 Ra7 33. Rd5 1/2-1/2

[Event "Mar del Plata op 47th"]
[Site "Mar del Plata"]
[Date "2016.03.20"]
[Round "3"]
[White "Viera, Matias Nahuel"]
[Black "Moreda, Lucas"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2000"]
[BlackElo "2308"]
[PlyCount "203"]
[EventDate "2016.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Be2 Nbd7 5. Nbd2 Bd6 6. c4 c6 7. b3 e5 8. dxe5 Nxe5 9. 0-0 dxc4 10. Nxc4 Nxc4 11. Bxc4 0-0 12. h3 Bf5 13. Bb2 Qe7 14. Qd4 Rad8 15. Qh4 Ne4 16. Qxe7 Bxe7 17. Rfd1 Nc5 18. Bd4 b5 19. Be2 Ne4 20. Ne5 Rd6 21. b4 f6 22. Nd3 Rxd4 23. exd4 Nc3 24. Rd2 Bxd3 25. Bxd3 Bxb4 26. Rc2 c5 27. dxc5 Rc8 28. c6 a6 29. a3 Ba5 30. Re1 Rxc6 31. Re3 Kf7 32. Bxh7 b4 33. axb4 Bxb4 34. Be4 Rc5 35. Rb2 a5 36. Bc2 Rc7 37. Bb3+ Kg6 38. Rg3+ Kh6 39. Rg4 Re7 40. Bc2 Re1+ 41. Kh2 Re2 42. f4 g5 43. fxg5+ fxg5 44. Rd4 Kg7 45. Kg3 Kf6 46. Kf3 Bc5 47. Rd3 Rf2+ 48. Kg4 Rxg2+ 49. Kf3 Rf2+ 50. Kg4 Rf4+ 51. Kg3 Ne2+ 52. Kg2 Rf2+ 53. Kh1 Rf1+ 54. Kg2 Rf2+ 55. Kh1 Nd4 56. Rxd4 Bxd4 57. Ra2 Bc3 58. Bb3 Rf1+ 59. Kg2 Rb1 60. Bc2 Rb6 61. Kf3 Bb4 62. Be4 Ke5 63. Re2 Kd4 64. Bc2 Rh6 65. Kg4 Rh4+ 66. Kxg5 Rxh3 67. Re4+ Kd5 68. Rg4 Rc3 69. Ba4 Rh3 70. Be8 Ke5 71. Kg6 Rd3 72. Bb5 Rd6+ 73. Kf7 Rb6 74. Ba4 Kf5 75. Rc4 Rb7+ 76. Ke8 Ke6 77. Re4+ Kd5 78. Rg4 Bd6 79. Bd7 Be5 80. Kd8 Rb8+ 81. Ke7 Bd6+ 82. Kf7 Rb7 83. Ke8 Ke5 84. Bc6 Rc7 85. Bd7 Ra7 86. Bc6 Bb4 87. Ba4 Kf6 88. Rf4+ Ke6 89. Re4+ Kd5 90. Rg4 Bd6 91. Bd7 Be5 92. Ba4 Rb7 93. Bd7 Kd6 94. Rg6+ Kc5 95. Rc6+ Kb4 96. Ra6 Bd4 97. Ke7 Rb8 98. Kd6 Rh8 99. Kd5 Bc5 100. Rg6 Rh5+ 101. Ke6 Rh4 102. Ke5 1/2-1/2

[Event "Mar del Plata op 47th"]
[Site "Mar del Plata"]
[Date "2016.03.19"]
[Round "1"]
[White "Viera, Matias Nahuel"]
[Black "Rodriguez Vila, Andres"]
[Result "1/2-1/2"]
[ECO "B49"]
[WhiteElo "2000"]
[BlackElo "2488"]
[PlyCount "120"]
[EventDate "2016.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 e6 2. c4 c5 3. e3 Nf6 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be2 Be7 7. 0-0 0-0 8. Nc3 d6 9. e4 a6 10. Be3 Qc7 11. Rc1 Ne5 12. f4 Ng6 13. Kh1 Bd7 14. Qe1 Rfe8 15. Qg3 Bf8 16. Nf3 Bc6 17. Bd3 Rad8 18. Bb1 Rb8 19. Nh4 b5 20. cxb5 axb5 21. Nxg6 hxg6 22. e5 Nd5 23. Ne4 Nxe3 24. Qxe3 Qb7 25. Rf2 Bxe4 26. Bxe4 d5 27. Bd3 Ra8 28. b3 Be7 29. Rfc2 Ba3 30. Re1 Rab8 31. h4 Qe7 32. Qh3 Rec8 33. Ree2 Bc1 34. g3 Rxc2 35. Rxc2 Be3 36. h5 g5 37. f5 Bd4 38. fxe6 Qxe6 39. Qxe6 fxe6 40. Rc6 Bxe5 41. Rxe6 Bxg3 42. Rg6 Bf4 43. h6 Rb7 44. Rxg7+ Rxg7 45. hxg7 b4 46. Kg2 Kxg7 47. Kf3 Kf6 48. Bh7 Kg7 49. Bf5 Kf7 50. Ke2 Kf6 51. Bg4 Ke5 52. Kd3 Bc1 53. Bf3 Bb2 54. Kc2 Bd4 55. Kd2 Bc3+ 56. Kd3 d4 57. Ke2 Kf4 58. Bd5 Bb2 59. Bc6 g4 60. Bd5 Kg3 1/2-1/2

[Event "ARG-ch sf U18"]
[Site "Villaguay"]
[Date "2016.02.27"]
[Round "8"]
[White "Viera, Matias Nahuel"]
[Black "Castrignano, Nahuel"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "1954"]
[BlackElo "1616"]
[PlyCount "68"]
[EventDate "2016.02.23"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. g3 Nf6 4. Bg2 0-0 5. Nf3 c6 6. 0-0 d5 7. b3 Bg4 8. Bb2 Nbd7 9. Nbd2 Qc7 10. Rc1 Bxf3 11. Bxf3 e6 12. Qc2 Qd6 13. Rfd1 Rfe8 14. e4 dxe4 15. Nxe4 Nxe4 16. Bxe4 Nf6 17. Bg2 Rac8 18. Qe2 Rcd8 19. Bc3 b6 20. Qf3 Rc8 21. d5 exd5 22. Bxf6 Qxf6 23. cxd5 Qxf3 24. Bxf3 cxd5 25. Rxc8 Rxc8 26. Bxd5 Rc7 27. Bc4 Bf8 28. Kg2 Bc5 29. f4 Kg7 30. Kh3 h5 31. Rd5 Re7 32. Rd1 Kh6 33. Kg2 Kg7 34. a4 g5 1/2-1/2

[Event "ARG-ch sf U18"]
[Site "Villaguay"]
[Date "2016.02.26"]
[Round "7"]
[White "Malamud, Lautaro"]
[Black "Viera, Matias Nahuel"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2120"]
[BlackElo "1954"]
[PlyCount "94"]
[EventDate "2016.02.23"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qc8 8. Nd2 e6 9. Ngf3 Bxf3 10. Nxf3 Be7 11. 0-0 0-0 12. h3 a6 13. Rfe1 b5 14. a4 Na5 15. Qc2 Qb7 16. b4 Nc4 17. Be5 h6 18. Bxc4 dxc4 19. Bxf6 Bxf6 20. Nd2 g6 21. Ra2 Bg7 22. Qe4 Qxe4 23. Nxe4 e5 24. d5 f5 25. axb5 axb5 26. Rxa8 Rxa8 27. Nc5 e4 28. d6 Bxc3 29. Rd1 Ra1 30. Rxa1 Bxa1 31. d7 Bf6 32. Kf1 Kf7 33. Nb7 Ke6 34. d8Q Bxd8 35. Nxd8+ Kd5 36. Ke2 c3 37. Kd1 Kc4 38. Kc2 Kxb4 39. Nc6+ Kc4 40. Ne5+ Kd4 41. Nxg6 b4 42. Ne7 f4 43. Nf5+ Kc4 44. Nd6+ Kd5 45. Nf5 Kc4 46. Nd6+ Kd5 47. Nf5 Kc4 1/2-1/2

[Event "ARG-ch sf U18"]
[Site "Villaguay"]
[Date "2016.02.26"]
[Round "6"]
[White "Viera, Matias Nahuel"]
[Black "Amato, Leonel"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1954"]
[BlackElo "1973"]
[PlyCount "84"]
[EventDate "2016.02.23"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. h3 d6 6. Be2 Nbd7 7. 0-0 h6 8. Bh2 Nh7 9. c4 e5 10. Nc3 c6 11. dxe5 dxe5 12. Qc2 Ng5 13. Rad1 Nxf3+ 14. Bxf3 Qe7 15. a3 f5 16. b4 Qg5 17. c5 e4 18. Be2 Ne5 19. Qb3+ Kh7 20. Kh1 Qe7 21. Rd6 Re8 22. Rfd1 Be6 23. Qc2 Qf7 24. Qc1 Qf6 25. Bxe5 Qxe5 26. R6d4 Qc7 27. Rd6 Be5 28. R6d2 Qf7 29. Nb1 f4 30. Bc4 fxe3 31. fxe3 Bxc4 32. Rd7 Re7 33. Rxe7 Qxe7 34. Qxc4 Qh4 35. Nd2 Rd8 36. Qe2 Qh5 37. Qf1 Bc3 38. Qf7+ Bg7 39. Qb3 Qe2 40. Qc2 Bc3 41. Qb3 Rxd2 42. Rxd2 Qe1+ 0-1

[Event "ARG-ch sf U18"]
[Site "Villaguay"]
[Date "2016.02.25"]
[Round "5"]
[White "Acuna, Alvaro"]
[Black "Viera, Matias Nahuel"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1835"]
[BlackElo "1954"]
[PlyCount "78"]
[EventDate "2016.02.23"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. e3 Nf6 4. Nc3 Bf5 5. cxd5 cxd5 6. Qb3 Qb6 7. Nxd5 Qxb3 8. axb3 Nxd5 9. Bb5+ Bd7 10. Bd3 Nc6 11. Bd2 e6 12. Ne2 Bb4 13. Bb5 Ke7 14. Bxc6 Bxd2+ 15. Kxd2 Bxc6 16. Rhc1 f6 17. b4 a6 18. Nf4 Rac8 19. Nd3 Rhd8 20. Nc5 Rc7 21. Ra3 Rdc8 22. Rac3 Kd6 23. f4 Re7 24. Nd3 Rd8 25. Ra1 Bb5 26. Nf2 e5 27. Re1 exd4 28. exd4 Rxe1 29. Kxe1 Re8+ 30. Kd1 Be2+ 31. Ke1 h5 32. h4 Re7 33. g3 Bb5+ 34. Kd1 Re8 35. Rc1 Be2+ 36. Kd2 Bb5 37. Re1 Rxe1 38. Kxe1 Ke6 39. Kd2 Kf5 0-1

[Event "ARG-ch sf U18"]
[Site "Villaguay"]
[Date "2016.02.25"]
[Round "4"]
[White "Viera, Matias Nahuel"]
[Black "Acosta, Martin Ezequiel"]
[Result "0-1"]
[ECO "D75"]
[WhiteElo "1954"]
[BlackElo "2152"]
[PlyCount "94"]
[EventDate "2016.02.23"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nf3 0-0 6. cxd5 Nxd5 7. 0-0 c5 8. e4 Nf6 9. Re1 cxd4 10. Qxd4 Nc6 11. Qa4 Qb6 12. Re2 Bd7 13. Be3 Qc7 14. Qc2 Rac8 15. h3 Qa5 16. Nc3 b5 17. Qd3 Be6 18. Nd5 Nxd5 19. exd5 Nb4 20. Bd2 Nxd3 21. Bxa5 Bxd5 22. Rxe7 Nxb2 23. Rxa7 Ra8 24. Rxa8 Rxa8 25. Be1 Rxa2 26. Rxa2 Bxa2 27. Bf1 Bc4 28. Nd2 Bxf1 29. Kxf1 Nd3 30. Nb3 Kf8 31. Bd2 Ke7 32. Ke2 Nb2 33. Bb4+ Ke6 34. Kd2 Kd5 35. Kc2 Nc4 36. Nc1 Ne5 37. Nb3 Nc6 38. Bd2 Nd4+ 39. Nxd4 Bxd4 40. f3 Kc4 41. g4 b4 42. Bc1 b3+ 43. Kb1 Kd3 44. h4 Be3 45. Ba3 Ke2 46. h5 g5 47. Kb2 Kxf3 0-1

[Event "ARG-ch sf U18"]
[Site "Villaguay"]
[Date "2016.02.24"]
[Round "3"]
[White "Ono, David"]
[Black "Viera, Matias Nahuel"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "1930"]
[BlackElo "1954"]
[PlyCount "63"]
[EventDate "2016.02.23"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Bf5 5. 0-0 e6 6. d4 Nbd7 7. b3 Be7 8. Bb2 h6 9. Nc3 0-0 10. Nd2 Qa5 11. a3 Qb6 12. Re1 Rfe8 13. Na4 Qd8 14. h3 b5 15. Nc3 bxc4 16. e4 dxe4 17. Nxc4 c5 18. Nxe4 Bxe4 19. Bxe4 Nxe4 20. Rxe4 Nf6 21. Re1 cxd4 22. Qxd4 Qxd4 23. Bxd4 Red8 24. Red1 Nd5 25. Rac1 a5 26. Bb2 Rdb8 27. Rd3 Rb5 28. a4 Rb7 29. Rcd1 Bc5 30. Kf1 Be7 31. Be5 Ra6 32. Bb2 1/2-1/2

[Event "ARG-ch sf U18"]
[Site "Villaguay"]
[Date "2016.02.24"]
[Round "2"]
[White "Viera, Matias Nahuel"]
[Black "Santillan, Leandro"]
[Result "1/2-1/2"]
[ECO "E64"]
[WhiteElo "1954"]
[BlackElo "2117"]
[PlyCount "66"]
[EventDate "2016.02.23"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 c5 6. d5 d6 7. Nc3 Na6 8. 0-0 Nc7 9. e4 Rb8 10. a4 a6 11. a5 b5 12. axb6 Rxb6 13. h3 Rb4 14. Qe2 Nd7 15. Na4 Ne5 16. Nxe5 Bxe5 17. Bd2 Rb7 18. Bc3 Bxc3 19. Nxc3 e5 20. f4 f6 21. Rf2 Qe7 22. f5 g5 23. Bf3 Bd7 24. Rg2 Rfb8 25. Ra2 Rb3 26. h4 Qg7 27. hxg5 Qxg5 28. Qe1 Be8 29. Bd1 Qc1 30. Rc2 Qg5 31. Rg2 Qc1 32. Rc2 Qg5 33. Rh2 Qc1 1/2-1/2

[Event "ARG-ch sf U18"]
[Site "Villaguay"]
[Date "2016.02.23"]
[Round "1"]
[White "Curcho, Rodrigo"]
[Black "Viera, Matias Nahuel"]
[Result "0-1"]
[ECO "D11"]
[BlackElo "1954"]
[PlyCount "54"]
[EventDate "2016.02.23"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Nf3 Nf6 4. g3 Bf5 5. Bg2 e6 6. 0-0 Be7 7. Nc3 h6 8. Bd2 dxc4 9. e3 Nbd7 10. Qa4 Nb6 11. Qd1 0-0 12. Ne5 Nfd7 13. Nxd7 Qxd7 14. Rc1 Rfd8 15. Na4 Nxa4 16. Qxa4 b5 17. Qa6 Rac8 18. a4 b4 19. Rfd1 c5 20. Qxc4 cxd4 21. Qxd4 Rxc1 22. Rxc1 Qxa4 23. Qc4 Rxd2 24. Qf1 Rxb2 25. e4 Bg6 26. Ra1 Qc2 27. Qe1 Bc5 0-1

[Event "ARG-ch Amateur U2000"]
[Site "La Falda"]
[Date "2015.12.06"]
[Round "4.6"]
[White "Viera, Matias Nahuel"]
[Black "Naselli, Alejandro"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "1959"]
[BlackElo "1919"]
[PlyCount "78"]
[EventDate "2015.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 d5 5. Bg2 c6 6. 0-0 Bd6 7. b3 Qe7 8. Bb2 0-0 9. Nbd2 Nbd7 10. Ne5 Rd8 11. Qc2 Ne4 12. Nxe4 fxe4 13. Nxd7 Bxd7 14. f3 exf3 15. exf3 c5 16. cxd5 exd5 17. Rae1 Qf8 18. f4 Bc6 19. f5 Be7 20. Ba3 b6 21. Qe2 Bd6 22. f6 Re8 23. fxg7 Qxg7 24. Bxd5+ Kh8 25. Bxc6 Rxe2 26. Rxe2 Rd8 27. Kg2 Bf8 28. dxc5 Bxc5 29. Bb2 Bd4 30. Rd1 Qf6 31. Re8+ Kg7 32. Rxd8 Qxc6+ 33. Kh3 Qe6+ 34. Kh4 Bxb2 35. R1d7+ Kg6 36. g4 Qe1+ 37. Kh3 Qf1+ 38. Kh4 Qf2+ 39. Kh3 Qf3+ 0-1

[Event "ARG-ch Amateur U2000"]
[Site "La Falda"]
[Date "2015.12.05"]
[Round "1.11"]
[White "Gascon, Jorge Alberto"]
[Black "Viera, Matias Nahuel"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1735"]
[BlackElo "1959"]
[PlyCount "57"]
[EventDate "2015.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. cxd5 cxd5 4. g3 Nf6 5. Bg2 Nc6 6. Nf3 e6 7. a3 Be7 8. Nc3 a6 9. 0-0 0-0 10. b4 Bd7 11. Bb2 Rc8 12. e3 b5 13. Nd2 Qb6 14. Nb3 a5 15. bxa5 Nxa5 16. Nxa5 Qxa5 17. Qb3 b4 18. axb4 Qxb4 19. Qxb4 Bxb4 20. Rac1 Rc7 21. Na2 Rxc1 22. Rxc1 Bd2 23. Rc2 Ba5 24. h3 Ba4 25. Rc1 Bd2 26. Rc7 Rd8 27. Bc3 Ne8 28. Rc5 Bxc3 29. Nxc3 1/2-1/2

[Event "ARG-ch U16"]
[Site "La Falda"]
[Date "2015.05.03"]
[Round "9"]
[White "Perez Aguado, Max Sergio"]
[Black "Viera, Matias Nahuel"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2007"]
[BlackElo "1882"]
[PlyCount "44"]
[EventDate "2015.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nh3 Nf6 8. Nf4 Bh7 9. c3 Nbd7 10. Bc4 Nb6 11. Bb3 Nbd5 12. Ngh5 e6 13. Qe2 Nxh5 14. Nxd5 Nf6 15. Nxf6+ Qxf6 16. d5 e5 17. dxc6 bxc6 18. Ba4 Bc5 19. 0-0 0-0 20. Be3 Bb6 21. Rfd1 Rfd8 22. Rxd8+ Rxd8 1/2-1/2

[Event "ARG-ch U16"]
[Site "La Falda"]
[Date "2015.05.02"]
[Round "7"]
[White "Viera, Matias Nahuel"]
[Black "Munoz, Francisco Javier"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1882"]
[BlackElo "2307"]
[PlyCount "106"]
[EventDate "2015.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Bd3 dxc4 6. Bxc4 Nbd7 7. 0-0 Bd6 8. Nc3 Qe7 9. e4 e5 10. Re1 h6 11. Qc2 Bc7 12. d5 cxd5 13. Bxd5 Nc5 14. Be3 Ng4 15. Bxf7+ Kxf7 16. Nd5 Nxe3 17. Rxe3 Qd6 18. Nxc7 Qxc7 19. Rc3 b6 20. b4 Be6 21. bxc5 Rac8 22. c6 Rhd8 23. h3 Kf6 24. Rc1 g5 25. a3 Bf7 26. Nh2 Rd4 27. Ng4+ Kg7 28. Qe2 Be6 29. Nh2 Rf8 30. Nf3 Rdd8 31. Qb5 Kf6 32. Nxe5 a6 33. Nd7+ Rxd7 34. Rf3+ Kg6 35. Qb2 Rdf7 36. Rxf7 Bxf7 37. e5 Be6 38. Qd4 Rd8 39. Qe4+ Bf5 40. Qe3 Rd5 41. g4 Be6 42. Re1 Qxc6 43. Qf3 Qd7 44. Qf6+ Kh7 45. Kh2 Qf7 46. Qxf7+ Bxf7 47. e6 Be8 48. e7 Rd6 49. Rc1 Kg7 50. h4 Rd3 51. hxg5 hxg5 52. Rc8 Kf7 53. Rb8 b5 0-1

[Event "ARG-ch U16"]
[Site "La Falda"]
[Date "2015.05.02"]
[Round "8"]
[White "Viera, Matias Nahuel"]
[Black "Salvatierra, Francisco"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "1882"]
[BlackElo "1543"]
[PlyCount "75"]
[EventDate "2015.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. Nc3 e5 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. e4 Nf6 12. f4 fxe4 13. Nxe4 Nxe4 14. Bxe4 c6 15. fxe5 Rxf1+ 16. Qxf1 cxd5 17. cxd5 dxe5 18. Bg5 Qb6+ 19. Qf2 Qxf2+ 20. Nxf2 Nf5 21. Rd1 Nd6 22. Be7 Bf8 23. Bxf8 Kxf8 24. Bg2 Bf5 25. Re1 Re8 26. g4 Bd7 27. h3 Kf7 28. Nd3 Kf6 29. Nc5 Bc8 30. Ne4+ Nxe4 31. Rxe4 b5 32. a4 Bd7 33. axb5 Bxb5 34. Re3 Rc8 35. g5+ Kxg5 36. Rxe5+ Kf4 37. Re4+ Kg3 38. Rg4# 1-0

[Event "ARG-ch U16"]
[Site "La Falda"]
[Date "2015.05.01"]
[Round "5"]
[White "Viera, Matias Nahuel"]
[Black "Robledo, Cristian"]
[Result "0-1"]
[ECO "D23"]
[WhiteElo "1882"]
[BlackElo "2069"]
[PlyCount "74"]
[EventDate "2015.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. Qxc4 Bf5 6. Nc3 e6 7. g3 Nbd7 8. Bg2 h6 9. 0-0 Be7 10. Bf4 0-0 11. Rfd1 Bc2 12. Nd5 Bxd1 13. Nxe7+ Qxe7 14. Rxd1 Rfd8 15. Qb3 Nb6 16. Ne5 Nfd5 17. Bd2 c5 18. dxc5 Qxc5 19. a4 Qd4 20. Nxf7 Kxf7 21. Bg5 Qxa4 22. Qxa4 Nxa4 23. Bxd8 Rxd8 24. e4 Nxb2 25. Rd2 Nc4 26. Rd4 Ncb6 27. exd5 Nxd5 28. f4 Ke7 29. g4 Ne3 30. Rxd8 Kxd8 31. Bxb7 Nxg4 32. h3 Nf6 33. Kf2 Kc7 34. Ba6 Kb6 35. Bc8 Ne4+ 36. Ke3 Nc5 37. f5 Kc7 0-1

[Event "ARG-ch U16"]
[Site "La Falda"]
[Date "2015.04.30"]
[Round "3"]
[White "Viera, Matias Nahuel"]
[Black "Casado, Andres"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "1882"]
[BlackElo "1909"]
[PlyCount "113"]
[EventDate "2015.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 g6 4. Nc3 d6 5. g3 Bg7 6. Bg2 0-0 7. Nf3 e6 8. 0-0 exd5 9. cxd5 a6 10. a4 Bg4 11. Nd2 Qd7 12. Nc4 Qc7 13. Bf4 Rd8 14. h3 Bc8 15. e4 Nh5 16. Bg5 f6 17. Bd2 f5 18. exf5 Bxf5 19. Bg5 Nf6 20. g4 Bc8 21. Ne4 Rf8 22. Nexd6 Nbd7 23. Qd2 Nb6 24. Nxb6 Qxb6 25. Nc4 Qb3 26. d6 Be6 27. Na5 Qb6 28. Nxb7 Rab8 29. Na5 h6 30. Bxh6 Bxh6 31. Qxh6 Qxa5 32. Qxg6+ Kh8 33. g5 Qd8 34. gxf6 Rxf6 35. Qh5+ Kg7 36. Qxc5 Qh8 37. Ra3 Rg8 38. Rg3+ Rg6 39. Qe5+ Kf7 40. Qxh8 Rxh8 41. Rxg6 Kxg6 42. Kh2 Rd8 43. Rd1 Kf6 44. b4 Bb3 45. Rd2 Bxa4 46. Bf1 Bb5 47. Bxb5 axb5 48. d7 Ke6 49. h4 Kf5 50. Kg3 Rg8+ 51. Kf3 Rd8 52. h5 Kg5 53. Rd5+ Kh6 54. Ke4 Kh7 55. Rd6 Kg7 56. Ke5 Kh7 57. Ke6 1-0

[Event "ARG-ch U16"]
[Site "La Falda"]
[Date "2015.04.30"]
[Round "4"]
[White "Zapata Charles, Santiago"]
[Black "Viera, Matias Nahuel"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2041"]
[BlackElo "1882"]
[PlyCount "87"]
[EventDate "2015.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Bg5 Qb6 8. Nd2 Qa6 9. c4 Nd7 10. Ngf3 Ne7 11. 0-0 Nf5 12. a3 Nb6 13. Rac1 dxc4 14. Qb1 Be7 15. Bxe7 Kxe7 16. Ne4 Nd7 17. Rcd1 b5 18. Qc1 Qb6 19. Qf4 Qc7 20. Nfg5 Raf8 21. Ng3 Nh6 22. N5e4 Kd8 23. a4 g6 24. axb5 cxb5 25. Nd6 Qb6 26. d5 Nf5 27. Ngxf5 gxf5 28. dxe6 fxe6 29. Qg5+ Kc7 30. Qe7 Qc6 31. Qxe6 Rhg8 32. Rd5 a6 33. f3 Kb8 34. Rd4 Rg7 35. Qd5 Qb6 36. Rfd1 Rfg8 37. f4 Rxg2+ 38. Qxg2 Rxg2+ 39. Kxg2 Nc5 40. Nxf5 Nd3 41. Rd2 Qc6+ 42. Kh2 Qe6 43. Ne3 Qe7 44. Nf5 1/2-1/2

[Event "ARG-ch U16"]
[Site "La Falda"]
[Date "2015.04.29"]
[Round "2"]
[White "Sica, Mauro"]
[Black "Viera, Matias Nahuel"]
[Result "1/2-1/2"]
[ECO "D18"]
[WhiteElo "2043"]
[BlackElo "1882"]
[PlyCount "50"]
[EventDate "2015.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Nh4 Qc7 10. Nxf5 exf5 11. Qe2 Re8 12. f3 Nbd7 13. Bxf7+ Kxf7 14. Qc4+ Kf8 15. Qxb4+ Kg8 16. Qc4+ Kh8 17. Qd3 g6 18. Bd2 Rad8 19. Qc2 Nb6 20. g3 Nc4 21. Nd1 Nxd2 22. Qxd2 Rd7 23. Nc3 c5 24. d5 Qe5 25. Rad1 Qxe3+ 1/2-1/2

[Event "ARG-ch U16"]
[Site "La Falda"]
[Date "2015.04.29"]
[Round "1"]
[White "Viera, Matias Nahuel"]
[Black "Tomas Falcon, Jesus"]
[Result "0-1"]
[ECO "A64"]
[WhiteElo "1882"]
[BlackElo "2144"]
[PlyCount "76"]
[EventDate "2015.04.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 a6 10. a4 Re8 11. Nd2 Nbd7 12. h3 Rb8 13. Nc4 Nb6 14. Na3 Bd7 15. Bf4 Nc8 16. Nc4 Qc7 17. a5 Nh5 18. e4 Nxf4 19. gxf4 b5 20. axb6 Nxb6 21. Ne3 Bb5 22. Re1 Nc4 23. Nxb5 axb5 24. Nxc4 bxc4 25. Rc1 Rxb2 26. Rxc4 Qa5 27. e5 dxe5 28. d6 Rd2 29. Qc1 Rc8 30. fxe5 Bh6 31. Qa1 Ra2 32. Qc3 Qxc3 33. Rxc3 Bd2 34. d7 Rd8 35. Rxc5 Bxe1 36. Rc8 Bxf2+ 37. Kf1 Bh4 38. Rc4 Rxd7 0-1

[Event "ARG-ch U16 sf"]
[Site "La Falda"]
[Date "2015.03.24"]
[Round "9"]
[White "Viera, Matias Nahuel"]
[Black "Gimenez Aguirre, Ismael Alejo"]
[Result "1/2-1/2"]
[ECO "E00"]
[WhiteElo "1822"]
[BlackElo "2124"]
[PlyCount "29"]
[EventDate "2015.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 0-0 6. a3 Bxd2+ 7. Nxd2 d6 8. e3 Rd8 9. Ne2 d5 10. 0-0 c6 11. Qc2 Nbd7 12. e4 dxc4 13. e5 Nd5 14. Nxc4 c5 15. dxc5 1/2-1/2

[Event "ARG-ch U16 sf"]
[Site "La Falda"]
[Date "2015.03.23"]
[Round "8"]
[White "Viera, Matias Nahuel"]
[Black "Malamud, Lautaro"]
[Result "1-0"]
[ECO "E66"]
[WhiteElo "1822"]
[BlackElo "1695"]
[PlyCount "73"]
[EventDate "2015.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 c5 7. Nc3 Nc6 8. d5 Na5 9. Nd2 a6 10. Qc2 Rb8 11. a4 Bd7 12. b3 e6 13. Bb2 exd5 14. Nxd5 Nxd5 15. Bxd5 Nc6 16. Bxg7 Kxg7 17. Qb2+ Qf6 18. Qxf6+ Kxf6 19. Ne4+ Ke7 20. e3 Nb4 21. Nc3 Be6 22. Rfd1 Bxd5 23. Nxd5+ Nxd5 24. Rxd5 Rfd8 25. e4 f6 26. Kg2 Kd7 27. f4 Kc6 28. Rad1 Kc7 29. Kf3 b6 30. g4 Rd7 31. h4 h6 32. g5 hxg5 33. hxg5 Rf8 34. gxf6 Rxf6 35. e5 Re6 36. Kg4 g5 37. Rxd6 1-0

[Event "ARG-ch U16 sf"]
[Site "La Falda"]
[Date "2015.03.23"]
[Round "7"]
[White "Zapata Charles, Santiago"]
[Black "Viera, Matias Nahuel"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2104"]
[BlackElo "1822"]
[PlyCount "43"]
[EventDate "2015.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Bg5 Qb6 8. Nd2 Ne7 9. Ngf3 Nf5 10. 0-0 Nd7 11. c4 f6 12. exf6 gxf6 13. Rfe1 Kf7 14. Rxe6 Kxe6 15. Re1+ Kf7 16. Qxf5 Qd8 17. Bxf6 Nxf6 18. Ng5+ Kg7 19. Ne6+ Kf7 20. Nxd8+ Rxd8 21. Nf3 Rh6 22. Ng5+ 1-0

[Event "ARG-ch U16 sf"]
[Site "La Falda"]
[Date "2015.03.22"]
[Round "5"]
[White "Tomas Falcon, Jesus"]
[Black "Viera, Matias Nahuel"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2203"]
[BlackElo "1822"]
[PlyCount "40"]
[EventDate "2015.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 cxd4 8. Nxd4 h5 9. Bg5 Qb6 10. Na4 Qa5+ 11. c3 a6 12. Qb3 Qc7 13. Nb6 Ra7 14. f4 Bc5 15. Na4 Be4 16. Nxc5 Qxc5 17. Rh3 hxg4 18. Rg3 Ne7 19. Bxe7 Kxe7 20. Rxg4 g6 1/2-1/2

[Event "ARG-ch U16 sf"]
[Site "La Falda"]
[Date "2015.03.22"]
[Round "6"]
[White "Viera, Matias Nahuel"]
[Black "Acosta, Lautaro Gaston"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1822"]
[BlackElo "1735"]
[PlyCount "47"]
[EventDate "2015.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 e6 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 0-0 8. 0-0 Nbd7 9. Qc2 b6 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Bb7 13. Ne5 Nf6 14. Qe3 Qc7 15. b4 Rfd8 16. Rfd1 Rac8 17. Qf3 Rb8 18. Nxc6 Rd6 19. b5 Rbd8 20. Qf4 Bxc6 21. Bxc6 Rxc6 22. bxc6 Qxc6 23. Rac1 Qa4 24. Rd2 1-0

[Event "ARG-ch U16 sf"]
[Site "La Falda"]
[Date "2015.03.21"]
[Round "4"]
[White "Luppi, Lucas Genaro"]
[Black "Viera, Matias Nahuel"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1815"]
[BlackElo "1822"]
[PlyCount "56"]
[EventDate "2015.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. exd5 cxd5 5. h3 Bxf3 6. Qxf3 Nf6 7. d4 e6 8. Bg5 Be7 9. Bb5+ Nc6 10. 0-0 0-0 11. Ne2 Qb6 12. Bxc6 bxc6 13. Qb3 Rfe8 14. Rfd1 Nd7 15. Bxe7 Rxe7 16. Nc3 e5 17. Qxb6 axb6 18. Re1 f6 19. Kf1 Kf7 20. Ne2 c5 21. Nc3 Ke6 22. Rad1 cxd4 23. Rxd4 Ra5 24. Rb4 Kd6 25. a3 Re8 26. Nb5+ Kc5 27. Re3 Kc6 28. Nd4+ Kc7 1/2-1/2

[Event "ARG-ch U16 sf"]
[Site "La Falda"]
[Date "2015.03.21"]
[Round "3"]
[White "Viera, Matias Nahuel"]
[Black "Sica, Mauro"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "1822"]
[BlackElo "2061"]
[PlyCount "82"]
[EventDate "2015.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 f5 2. c4 d6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. Nc3 c6 8. d5 e5 9. e4 cxd5 10. cxd5 fxe4 11. Ng5 Bg4 12. Qb3 Qe7 13. Ncxe4 Nxe4 14. Nxe4 h6 15. Bd2 Na6 16. Qa3 Rfd8 17. Rac1 Nc7 18. Qb3 Ne8 19. Bb4 Rac8 20. Rxc8 Rxc8 21. Qa3 Bf8 22. Qxa7 Bf5 23. Qe3 Qc7 24. Bc3 Qc4 25. a3 Bg7 26. Rc1 Qc7 27. Bd2 Qd7 28. Rxc8 Qxc8 29. Qb3 Qd7 30. Qb4 g5 31. Nc3 Nf6 32. Nb5 Bf8 33. Qc4 Bg6 34. a4 Qf5 35. Bb4 Qb1+ 36. Bf1 Qxb2 37. Bxd6 Ne4 38. Bxf8 Qxf2+ 39. Kh1 Nd2 40. Bc5 Be4+ 41. Qxe4 Qxf1+ 0-1

[Event "ARG-ch U16 sf"]
[Site "La Falda"]
[Date "2015.03.20"]
[Round "2"]
[White "Encina, Guadalupe"]
[Black "Viera, Matias Nahuel"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1747"]
[BlackElo "1822"]
[PlyCount "84"]
[EventDate "2015.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 c6 2. Bf4 d5 3. e3 Nf6 4. Nf3 h6 5. Bd3 e6 6. Nbd2 c5 7. c3 Nc6 8. Ne5 Qb6 9. Rb1 Nxe5 10. Bxe5 Nd7 11. Bg3 Bd6 12. Qg4 Kf8 13. f4 e5 14. fxe5 Nxe5 15. Qe2 Bg4 16. Nf3 Nxd3+ 17. Qxd3 Bxg3+ 18. hxg3 Qe6 19. 0-0 Bf5 20. Qd2 Bxb1 21. Rxb1 Re8 22. Ne5 Kg8 23. Re1 f6 24. Ng6 cxd4 25. Qxd4 Rh7 26. Nf4 Qc6 27. Qxa7 g5 28. Nd3 b6 29. Qa3 Rhe7 30. Kf2 Qe6 31. Nb4 Qf5+ 32. Kg1 Rxe3 33. Rxe3 Rxe3 34. Qa8+ Kf7 35. Nxd5 Re1+ 36. Kh2 Qf1 37. Qb7+ Kg6 38. g4 Qh1+ 39. Kg3 Qh4+ 40. Kf3 Rf1+ 41. Ke2 Qf2+ 42. Kd3 Rd1+ 0-1

[Event "ARG-ch U16 sf"]
[Site "La Falda"]
[Date "2015.03.19"]
[Round "1"]
[White "Viera, Matias Nahuel"]
[Black "Palomares, Joaquin"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1822"]
[PlyCount "71"]
[EventDate "2015.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bf5 6. Ne5 e6 7. 0-0 Nbd7 8. Nxc4 Be7 9. Nc3 0-0 10. e4 Bg6 11. Bf4 Nb6 12. Ne5 Re8 13. a4 Nbd7 14. Nxg6 hxg6 15. Qb3 Qb6 16. Qxb6 Nxb6 17. a5 Nbd7 18. d5 cxd5 19. exd5 exd5 20. Nxd5 Nxd5 21. Bxd5 Nc5 22. a6 Rad8 23. Bxb7 Bd6 24. Bxd6 Rxd6 25. Rfe1 Rb8 26. Re7 Nxb7 27. Rxb7 Rxb7 28. axb7 Rb6 29. Rxa7 Kh7 30. Kg2 Rxb2 31. Kf3 f6 32. Ke4 Rb5 33. Kd4 Rb1 34. Kc5 Rc1+ 35. Kd6 Rb1 36. Kc7 1-0

[Event "ARG-ch U16"]
[Site "Rosario"]
[Date "2014.05.23"]
[Round "8"]
[White "Varacalli, Francisco"]
[Black "Viera, Matias Nahuel"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1713"]
[BlackElo "1816"]
[PlyCount "39"]
[EventDate "2014.05.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Bc4 e6 8. Nh3 Bd6 9. Nf4 Bh7 10. Ngh5 Bxf4 11. Bxf4 Nf6 12. Nxg7+ Kd7 13. Qe2 Bg8 14. 0-0-0 Rh7 15. Nh5 Nxh5 16. Qxh5 Qb6 17. d5 cxd5 18. Bxd5 Kc8 19. Bxe6+ Qxe6 20. Qc5+ 1-0

[Event "ARG-ch U16"]
[Site "Rosario"]
[Date "2014.05.23"]
[Round "9"]
[White "Viera, Matias Nahuel"]
[Black "Zapata Charles, Santiago"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "1816"]
[BlackElo "1904"]
[PlyCount "63"]
[EventDate "2014.05.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Nf3 f5 4. Nc3 Bb4 5. g3 Bb7 6. Bg2 Nf6 7. 0-0 0-0 8. Qb3 Bxc3 9. Qxc3 Ne4 10. Qc2 d6 11. Ng5 Qe7 12. Nxe4 fxe4 13. Bxe4 Bxe4 14. Qxe4 Nd7 15. h4 Qf7 16. Qc2 Qh5 17. f3 e5 18. dxe5 Qxe5 19. Bf4 Qc5+ 20. Kg2 Rae8 21. Rae1 b5 22. b3 d5 23. Qd3 bxc4 24. bxc4 Qxc4 25. Qxc4 dxc4 26. e4 Rf6 27. Rc1 Rc6 28. Rc3 Rb8 29. Rf2 Kf7 30. Rfc2 Rb4 31. Ra3 a6 32. Bd2 1/2-1/2

[Event "ARG-ch U16"]
[Site "Rosario"]
[Date "2014.05.22"]
[Round "6"]
[White "Palu, Andres"]
[Black "Viera, Matias Nahuel"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1847"]
[BlackElo "1816"]
[PlyCount "73"]
[EventDate "2014.05.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 h6 6. 0-0 Ne7 7. Nbd2 Nd7 8. Nb3 Qc7 9. a4 c5 10. c4 a6 11. Bf4 g5 12. Bg3 Rc8 13. Rc1 Qd8 14. Nfd2 Bg6 15. cxd5 Nxd5 16. Bf3 Bd3 17. Re1 c4 18. Bxd5 exd5 19. e6 fxe6 20. Rxe6+ Kf7 21. Re3 Bg6 22. Qf3+ Nf6 23. Be5 Rc6 24. Nc5 Bxc5 25. dxc5 Rxc5 26. Nb3 Be4 27. Qxf6+ Qxf6 28. Bxf6 cxb3 29. Rxc5 Kxf6 30. f3 Bf5 31. Rxd5 Rc8 32. Rd6+ Kf7 33. Rxb3 Rc1+ 34. Kf2 Rc2+ 35. Ke3 Rxg2 36. Rxb7+ Ke8 37. Rxh6 1-0

[Event "ARG-ch U16"]
[Site "Rosario"]
[Date "2014.05.22"]
[Round "7"]
[White "Viera, Matias Nahuel"]
[Black "Acosta, Pablo Ismael"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1816"]
[BlackElo "2199"]
[PlyCount "57"]
[EventDate "2014.05.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 Nbd7 7. cxd5 exd5 8. Nc3 c6 9. Qc2 Bd6 10. 0-0 0-0 11. Bg5 h6 12. Bxf6 Nxf6 13. Rfe1 Re8 14. e4 Nxe4 15. Nxe4 Bf5 16. Nfd2 Bc7 17. Qb3 dxe4 18. Bxe4 Qxd4 19. Bxf5 Qxd2 20. Red1 Qg5 21. Bd7 Reb8 22. Rd3 Bb6 23. Rf3 Rf8 24. Re1 Rad8 25. Be8 Rd5 26. Bxf7+ Rxf7 27. Re8+ Kh7 28. Rxf7 Qh5 29. Qc2+ 1-0

[Event "ARG-ch U16"]
[Site "Rosario"]
[Date "2014.05.21"]
[Round "4"]
[White "Tomas Falcon, Jesus"]
[Black "Viera, Matias Nahuel"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2021"]
[BlackElo "1816"]
[PlyCount "116"]
[EventDate "2014.05.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 Nc6 5. Bb5 Qc7 6. d4 e6 7. 0-0 Bd6 8. Nf3 Nge7 9. Nc3 a6 10. Bd3 h6 11. h3 Bd7 12. a3 0-0 13. Ne2 b5 14. Bd2 e5 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. c3 Nc6 18. Be3 Na5 19. Bc2 Nc4 20. Qd3 g6 21. Bxh6 Nxb2 22. Qd2 Nc4 23. Qc1 Rfe8 24. Nd4 Nd6 25. Qg5 Ne4 26. Bxe4 dxe4 27. Qe3 Rac8 28. f4 exf3 29. Qxf3 f5 30. Qd5+ Kh7 31. Bd2 Bc6 32. Nxc6 Qxc6 33. Qf7+ Kh8 34. Rae1 Qf6 35. Qb7 Rc7 36. Qxc7 Bxc7 37. Rxe8+ Kg7 38. Rfe1 Kf7 39. Kh1 Qd6 40. R1e7+ Qxe7 41. Rxe7+ Kxe7 42. Kg1 Bd6 43. Bc1 Ke6 44. g4 fxg4 45. hxg4 Kd5 46. Kf2 Ke4 47. Ke2 Bc5 48. Bb2 Kf4 49. Kd3 Kxg4 50. Ke4 Kh4 51. Kd5 Be3 52. a4 g5 53. axb5 axb5 54. c4 g4 55. Be5 b4 56. c5 g3 57. Bxg3+ Kxg3 58. Kc4 Bxc5 0-1

[Event "ARG-ch U16"]
[Site "Rosario"]
[Date "2014.05.21"]
[Round "5"]
[White "Viera, Matias Nahuel"]
[Black "Sosa, Tomas Sebastian"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1816"]
[BlackElo "2239"]
[PlyCount "72"]
[EventDate "2014.05.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. Nc3 Bg4 8. d5 Na5 9. b3 c5 10. Bb2 Rb8 11. Nd2 a6 12. Re1 b5 13. Qc2 bxc4 14. bxc4 Bh6 15. f4 e5 16. dxe6 Bxe6 17. Nd5 Rxb2 18. Qxb2 Bg7 19. Qc2 Nxd5 20. cxd5 Bf5 21. e4 Bxa1 22. Rxa1 Qf6 23. Rb1 Qd4+ 24. Kh1 Bd7 25. Bf1 Re8 26. Qd3 Qf2 27. Qe2 Qd4 28. Qd3 Qa4 29. Qxa6 Qxa2 30. Qxd6 Bc8 31. Rd1 Bg4 32. Bb5 Rf8 33. Rf1 Qxd2 34. Qxc5 Bh3 35. Rg1 Nb3 36. Qb6 Nd4 0-1

[Event "ARG-ch U16"]
[Site "Rosario"]
[Date "2014.05.20"]
[Round "2"]
[White "Munoz, Francisco Javier"]
[Black "Viera, Matias Nahuel"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2066"]
[BlackElo "1816"]
[PlyCount "85"]
[EventDate "2014.05.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c6 2. c4 e5 3. Nf3 d6 4. Nc3 Nf6 5. d4 Nbd7 6. Be2 Be7 7. 0-0 0-0 8. Rb1 a5 9. a3 Re8 10. dxe5 dxe5 11. Qc2 Qc7 12. Rd1 b6 13. h3 Bb7 14. Be3 Bc5 15. Bg5 Be7 16. b4 axb4 17. axb4 Nf8 18. Be3 Ne6 19. Bd3 Red8 20. Na4 Nd4 21. Bxd4 exd4 22. c5 bxc5 23. Nxc5 h6 24. e5 Nd7 25. Nxb7 Qxb7 26. Be4 Rac8 27. Rxd4 Qc7 28. Qc3 Re8 29. Rc4 c5 30. bxc5 Bxc5 31. Rc1 Qb6 32. Rc2 Rc7 33. Bf5 Rec8 34. Kh2 Bb4 35. Rxc7 Bxc3 36. Rxc8+ Nf8 37. R8xc3 g6 38. Be4 Kg7 39. Bd5 Qa5 40. Rc5 Qd8 41. Ba2 Qe7 42. Rc7 Nd7 43. Rd2 1-0

[Event "ARG-ch U16"]
[Site "Rosario"]
[Date "2014.05.20"]
[Round "3"]
[White "Viera, Matias Nahuel"]
[Black "Cuello, Facundo"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "1816"]
[BlackElo "1667"]
[PlyCount "67"]
[EventDate "2014.05.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Nf3 Bg7 7. 0-0 0-0 8. Nc3 Ne4 9. Bf4 Nxc3 10. bxc3 Nc6 11. Qc1 Bf5 12. Nh4 Be6 13. Bh6 Rc8 14. Bxg7 Kxg7 15. Qb2 Rc7 16. c4 f5 17. c5 a6 18. Nf3 Bf7 19. Rab1 e6 20. Qc3 Qe7 21. Qe3 Qf6 22. Rb6 Rd8 23. Rfb1 Rdd7 24. h3 Kg8 25. h4 h5 26. R1b3 Be8 27. Rb2 Kg7 28. Qc3 Qe7 29. Bf1 Qf6 30. Ne5 Nxe5 31. dxe5 Qe7 32. c6 Rd8 33. Rxb7 Bxc6 34. Qxc6 1-0

[Event "ARG-ch U16"]
[Site "Rosario"]
[Date "2014.05.19"]
[Round "1"]
[White "Viera, Matias Nahuel"]
[Black "Leal, Jorge Augusto"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1816"]
[BlackElo "1975"]
[PlyCount "140"]
[EventDate "2014.05.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. Nc3 a6 8. e4 e5 9. dxe5 dxe5 10. Bg5 Qxd1 11. Rfxd1 Bg4 12. h3 Bxf3 13. Bxf3 Nd4 14. Bg2 h6 15. Bxf6 Bxf6 16. Nd5 Bg7 17. Bf1 c6 18. Nb6 Rad8 19. c5 f5 20. Bd3 Rf6 21. Nc4 Nf3+ 22. Kg2 fxe4 23. Bxe4 Rdf8 24. Bxf3 Rxf3 25. Rd2 e4 26. Re1 Rd3 27. Rxe4 Rxd2 28. Nxd2 Bxb2 29. Nb3 Ba3 30. Ra4 Bb2 31. f4 Kf7 32. Na5 Rb8 33. Nc4 Bf6 34. Nd6+ Ke6 35. Rb4 b5 36. Rb3 Bd4 37. Ne4 Kd5 38. Kf3 Bxc5 39. Nf6+ Ke6 40. Ng4 Bd4 41. Nxh6 c5 42. Ke4 Bg7 43. Ng4 c4 44. Rb1 Rd8 45. a4 Rd4+ 46. Ke3 Rd3+ 47. Ke2 Rb3 48. Rc1 Rxg3 49. axb5 axb5 50. Ne3 Rxh3 51. Rb1 Rh2+ 52. Kf3 Bb2 53. Rg1 Rh3+ 54. Ke4 Kf7 55. Rg5 c3 56. Rxb5 Rxe3+ 57. Kxe3 c2 58. Rxb2 c1Q+ 59. Rd2 Ke6 60. Kd3 Kf5 61. Rf2 Qd1+ 62. Ke3 Qe1+ 63. Kf3 Qxf2+ 64. Kxf2 Kxf4 65. Kf1 Kf3 66. Kg1 Kg3 67. Kh1 g5 68. Kg1 g4 69. Kh1 Kf2 70. Kh2 g3+ 0-1

[Event "Buenos Aires Duchamp Memorial op 5th"]
[Site "Buenos Aires"]
[Date "2013.03.24"]
[Round "1"]
[White "Viera, Matias Nahuel"]
[Black "Sanhueza, Cristian"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1768"]
[BlackElo "2215"]
[PlyCount "70"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. Nc3 a6 8. e4 Bg4 9. Be3 Nd7 10. h3 Bxf3 11. Bxf3 e5 12. d5 Nd4 13. Bg2 c5 14. dxc6 bxc6 15. Rb1 a5 16. a3 Nb6 17. b3 a4 18. Nxa4 Nxa4 19. bxa4 Qa5 20. Bg5 Rfe8 21. Qg4 Qxa4 22. Qd7 Qxc4 23. Qxd6 Bf8 24. Qd7 Qe6 25. Rb7 Rxa3 26. Rfb1 c5 27. Bf6 Ra2 28. R1b6 Qxd7 29. Rxd7 c4 30. Bf1 Nf3+ 31. Kg2 Bc5 32. Kxf3 Rxf2+ 33. Kg4 Bxb6 34. Bxc4 Rxf6 35. Kg5 Rf2 0-1

[Event "Wch U12"]
[Site "Caldas Novas"]
[Date "2011.11.22"]
[Round "5"]
[White "Polyakov, Fedor"]
[Black "Viera, Matias Nahuel"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1763"]
[BlackElo "1614"]
[PlyCount "74"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Nc3 Nf6 4. Nf3 dxc4 5. e4 b5 6. e5 Nd5 7. a4 e6 8. axb5 Nxc3 9. bxc3 cxb5 10. Ng5 Bb7 11. Qh5 g6 12. Qg4 Be7 13. Be2 Bd5 14. Bf3 a5 15. h4 h5 16. Qg3 Nc6 17. Nxe6 fxe6 18. Qxg6+ Kd7 19. Bxd5 exd5 20. Qf5+ Kc7 21. e6 b4 22. Bf4+ Kb7 23. cxb4 Nxd4 24. Qb1 axb4 25. Rxa8 Qxa8 26. Be5 Nxe6 27. Bxh8 Qxh8 28. 0-0 Qf6 29. Qd1 Qf5 30. Re1 Bxh4 31. g3 Bf6 32. Qa4 Nd4 33. Qxb4+ Kc6 34. Qa4+ Kc5 35. Qa5+ Nb5 36. Re8 Qd7 37. Re1 Bc3 0-1

[Event "Wch U12"]
[Site "Caldas Novas"]
[Date "2011.11.20"]
[Round "3"]
[White "Harshal, Shahi"]
[Black "Viera, Matias Nahuel"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1889"]
[BlackElo "1614"]
[PlyCount "69"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. a3 Be7 7. Nf3 0-0 8. c5 Nbd7 9. Bd3 Ne8 10. Bf4 Ndf6 11. h3 Bd7 12. 0-0 a6 13. b4 Nc7 14. Qe2 Nfe8 15. a4 Rc8 16. Rfc1 Bf6 17. b5 a5 18. Rc2 Na8 19. Rac1 Nec7 20. Rb2 Ne8 21. Nd1 g6 22. Rbc2 Ng7 23. c6 bxc6 24. bxc6 Bxc6 25. Rxc6 Rxc6 26. Rxc6 Nf5 27. Bxf5 gxf5 28. Qa6 Qd7 29. Ne5 Bxe5 30. Bxe5 Rd8 31. Rd6 Qe7 32. Rxd8+ Qxd8 33. Qa7 Qe8 34. Nc3 Qd8 35. Bb8 1-0

[Event "Wch U12"]
[Site "Caldas Novas"]
[Date "2011.11.20"]
[Round "4"]
[White "Viera, Matias Nahuel"]
[Black "Ferrari, Lionel"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1614"]
[PlyCount "73"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. g3 Nxe5 5. Nxe5 Qxe5 6. Bg2 Nf6 7. 0-0 Bc5 8. Nc3 d6 9. Bf4 Qe7 10. Na4 0-0 11. Nxc5 dxc5 12. c3 c6 13. Bd6 Qd7 14. Bxf8 Kxf8 15. Qxd7 Bxd7 16. Rad1 Re8 17. Rd2 Be6 18. a3 Bd5 19. Bxd5 cxd5 20. f3 c4 21. g4 h6 22. Kf2 Re7 23. h4 g5 24. hxg5 hxg5 25. Rh1 Kg7 26. Rhd1 Kg6 27. Rd4 b6 28. Re1 a6 29. e4 dxe4 30. Rxc4 Re6 31. a4 exf3 32. Rxe6 fxe6 33. Kxf3 Nd5 34. Rc6 Kf6 35. c4 Nf4 36. Rxb6 a5 37. Rb5 1-0

[Event "Wch U12"]
[Site "Caldas Novas"]
[Date "2011.11.18"]
[Round "1"]
[White "Schroeder, Kevin"]
[Black "Viera, Matias Nahuel"]
[Result "1-0"]
[ECO "D19"]
[WhiteElo "2030"]
[BlackElo "1614"]
[PlyCount "57"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Nbd7 10. Rd1 Qc7 11. e4 Bg6 12. e5 Nd5 13. Bd2 Be7 14. Bxd5 cxd5 15. Rdc1 Qd8 16. Nb5 a6 17. Nd6 Qb6 18. Bf4 a5 19. Qb5 Qxb5 20. axb5 Bxd6 21. exd6 Bd3 22. Rc7 Bxb5 23. Rxb7 Rfb8 24. Rxb8+ Nxb8 25. Rc1 Nc6 26. Rc5 Na7 27. Rc7 Ba6 28. d7 Nb5 29. Rc6 1-0

[Event "Pan American-ch U10"]
[Site "Mar del Plata"]
[Date "2009.08.19"]
[Round "5"]
[White "Johnson, Joshua"]
[Black "Viera, Matias Nahuel"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "121"]
[EventDate "2009.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d3 c6 5. Bd2 Nf6 6. Nf3 Bf5 7. Be2 e6 8. a3 Nbd7 9. Ne4 Qc7 10. Nc3 Bd6 11. h3 h6 12. Be3 Bc5 13. Bxc5 Nxc5 14. Qd2 Qb6 15. 0-0 0-0 16. Kh1 Rad8 17. Qe3 Ncd7 18. Qxb6 Nxb6 19. Rfe1 Rfe8 20. Nd2 Nbd5 21. Nxd5 Nxd5 22. Nb3 b6 23. Nd4 Ne7 24. Nxf5 Nxf5 25. c3 c5 26. Rad1 e5 27. Bg4 Ne7 28. Rxe5 Nc6 29. Rxe8+ Rxe8 30. Bd7 Re2 31. Bxc6 Rxf2 32. Rb1 g6 33. Kg1 Rd2 34. Bb5 Kf8 35. Kh2 Ke7 36. Kg3 Kf6 37. Rf1+ Kg7 38. Rf2 Rd1 39. Kf3 Re1 40. Re2 Rf1+ 41. Ke4 Rf6 42. Kd5 h5 43. b4 cxb4 44. axb4 Rf5+ 45. Re5 Rf6 46. c4 a5 47. bxa5 bxa5 48. c5 Rf2 49. c6 Rc2 50. Bc4 a4 51. c7 a3 52. c8Q a2 53. Qa6 Rc1 54. Bxa2 Ra1 55. Kc5 Rc1+ 56. Bc4 Rg1 57. Qa7 Rxg2 58. Qxf7+ Kh6 59. Qf8+ Kh7 60. Qg8+ Kh6 61. Qh8# 1-0

[Event "Pan American-ch U10"]
[Site "Mar del Plata"]
[Date "2009.08.18"]
[Round "4"]
[White "Viera, Matias Nahuel"]
[Black "Kimelman, Gabriel"]
[Result "1/2-1/2"]
[ECO "D77"]
[PlyCount "64"]
[EventDate "2009.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. 0-0 0-0 6. c4 e6 7. b3 Re8 8. Bb2 b6 9. Qc2 Bb7 10. Nbd2 Nbd7 11. Rac1 c5 12. dxc5 Nxc5 13. Rfe1 Rc8 14. Ne5 dxc4 15. Bxb7 Nxb7 16. bxc4 Qe7 17. Qa4 Nc5 18. Qa3 Nfd7 19. Nxd7 Qxd7 20. Bxg7 Kxg7 21. Qb2+ Kg8 22. Rcd1 Qc6 23. Qb5 Qxb5 24. cxb5 Na4 25. Ne4 Re7 26. Rd2 Kg7 27. Red1 f5 28. Rd7 Rc7 29. Rxe7+ Rxe7 30. Rd4 Nb2 31. Nc3 Rc7 32. Rb4 Nd3 1/2-1/2

[Event "Pan American-ch U10"]
[Site "Mar del Plata"]
[Date "2009.08.17"]
[Round "3"]
[White "Cori Quispe, Kevin Joel"]
[Black "Viera, Matias Nahuel"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "46"]
[EventDate "2009.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 c6 6. Be3 Bf5 7. Bd3 Bxd3 8. Qxd3 e6 9. 0-0 Nbd7 10. a3 Bd6 11. g4 Qc7 12. Na4 0-0 13. c4 b5 14. cxb5 cxb5 15. Qxb5 Rab8 16. Qd3 Nxg4 17. h3 Nh2 18. Nxh2 Bxh2+ 19. Kh1 Bf4 20. Rac1 Qd6 21. Nc3 e5 22. Ne4 Qd5 23. Bxf4 exf4 1/2-1/2

