[Event "ARG-ch sf"]
[Site "Corrientes"]
[Date "2018.03.18"]
[Round "7"]
[White "Medina, Carlos Fermin"]
[Black "Sosa, Walter"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1529"]
[BlackElo "1585"]
[PlyCount "93"]
[EventDate "2018.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nge7 6. Ndb5 d5 7. exd5 Nb4 8. d6 Ned5 9. a3 Nxc3 10. bxc3 Nd5 11. c4 a6 12. cxd5 axb5 13. Bxb5+ Bd7 14. Bxd7+ Qxd7 15. dxe6 Qxe6+ 16. Qe2 Qxe2+ 17. Kxe2 Bxd6 18. Re1 0-0 19. Kf1 Bb4 20. Re2 Bc3 21. Rb1 Rfd8 22. Bb2 Bxb2 23. Rxb2 Rxa3 24. Rxb7 Rc3 25. Rb3 Rc7 26. Rd3 Rdc8 27. Red2 g6 28. Rd8+ Kg7 29. Rxc8 Rxc8 30. Ke2 h5 31. Kd1 f6 32. Rd3 g5 33. h3 Kg6 34. Kd2 Rc4 35. c3 Rf4 36. f3 Ra4 37. Ke3 h4 38. Rd2 Kf5 39. Rc2 Rc4 40. Kd3 Rc6 41. c4 Ke5 42. c5 f5 43. Kc4 Kf4 44. Kb5 Rc8 45. c6 Rb8+ 46. Ka6 Rb4 47. c7 1-0

[Event "ARG-ch sf"]
[Site "Corrientes"]
[Date "2018.03.18"]
[Round "6"]
[White "Sosa, Walter"]
[Black "Alerich, Estanislao Ivan"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1585"]
[PlyCount "28"]
[EventDate "2018.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 Be7 5. Nbd2 Nbd7 6. 0-0 0-0 7. c3 c5 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bd3 b6 12. Qe2 a6 13. Rd1 cxd4 14. Nxd4 Qc7 1/2-1/2

[Event "ARG-ch sf"]
[Site "Corrientes"]
[Date "2018.03.17"]
[Round "3"]
[White "Bistman, Daniel"]
[Black "Sosa, Walter"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "1713"]
[BlackElo "1585"]
[PlyCount "54"]
[EventDate "2018.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 Nbd7 7. Be2 c5 8. d5 a6 9. 0-0 Ne8 10. Be3 Nc7 11. a4 e6 12. Qd2 e5 13. Rab1 a5 14. Bh6 Qe8 15. Kh1 f6 16. Bg4 Nb6 17. Be2 Nxa4 18. Nxa4 Qxa4 19. Bxg7 Kxg7 20. Ra1 Qb4 21. Qc2 Bd7 22. Ra3 a4 23. Rfa1 b5 24. cxb5 Bxb5 25. Bxb5 Nxb5 26. Rxa4 Rxa4 27. Rxa4 Qe1+ 0-1

[Event "ARG-ch sf"]
[Site "Corrientes"]
[Date "2018.03.17"]
[Round "4"]
[White "Sosa, Arnaldo Javier"]
[Black "Sosa, Walter"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1812"]
[BlackElo "1585"]
[PlyCount "73"]
[EventDate "2018.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 d6 4. e3 Bg7 5. Be2 Nbd7 6. c4 c5 7. 0-0 0-0 8. Nc3 a6 9. Bg3 Ne8 10. Qd2 Nc7 11. Rfd1 Qe8 12. Rac1 b6 13. Re1 Bb7 14. d5 Nf6 15. e4 Nh5 16. Bh4 b5 17. Bg5 b4 18. Nd1 f5 19. exf5 Rxf5 20. Ne3 Rf8 21. Ng4 Qd7 22. h3 e6 23. dxe6 Nxe6 24. Bh6 Nef4 25. Bf1 Nxh3+ 26. gxh3 Bxf3 27. Bxg7 Nxg7 28. Ne5 Qa7 29. Nxf3 Nf5 30. Bg2 Rad8 31. Ng5 Nd4 32. Ne6 Rf5 33. Nxd8 Qd7 34. Ne6 Nxe6 35. Rxe6 Qxe6 36. Bd5 Rxd5 37. Qxd5 1-0

[Event "ARG-ch sf"]
[Site "Corrientes"]
[Date "2018.03.17"]
[Round "5"]
[White "Sosa, Walter"]
[Black "Agnello, Silvana"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1585"]
[BlackElo "1945"]
[PlyCount "84"]
[EventDate "2018.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d6 5. Nbd2 0-0 6. 0-0 Nc6 7. c3 e5 8. Re1 Bg4 9. Qc2 Ne8 10. h3 Bd7 11. b3 f5 12. e4 f4 13. d5 Ne7 14. Nf1 Bf6 15. N1h2 h5 16. Bf1 g5 17. g4 Qc8 18. Bg2 hxg4 19. hxg4 Bxg4 20. Kf1 Bh3 21. Ng1 Bxg2+ 22. Kxg2 Ng6 23. f3 Be7 24. Ng4 Nf6 25. Nh6+ Kh7 26. Nf5 Nh4+ 27. Kf2 Nxf5 28. exf5 Kg7 29. Bd2 Nxd5 30. c4 Nf6 31. Nh3 g4 32. Ng5 g3+ 33. Ke2 Rh8 34. Ne6+ Kg8 35. Rh1 Rxh1 36. Rxh1 Qd7 37. Qc1 Qc6 38. Rh6 Qb6 39. Qh1 Qf2+ 40. Kd1 Kf7 41. Rg6 Rc8 42. Nxc7 Qh2 0-1

[Event "ARG-ch sf"]
[Site "Corrientes"]
[Date "2018.03.16"]
[Round "2"]
[White "Sosa, Walter"]
[Black "Garcia Gorostegui, Ezequiel"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1585"]
[BlackElo "1904"]
[PlyCount "50"]
[EventDate "2018.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 cxd4 4. cxd4 d5 5. e3 Nc6 6. Bd3 Bg4 7. Nbd2 e6 8. a3 a5 9. 0-0 Bd6 10. Qb3 Qe7 11. Bb5 0-0 12. Re1 Bf5 13. Nh4 Bxh2+ 14. Kf1 Bc7 15. Nxf5 exf5 16. Bd3 g6 17. Qxb7 Qd6 18. Bb5 Ne7 19. Nc4 dxc4 20. Bxc4 Rab8 21. Qf3 Ne4 22. Bd3 Ng5 23. Qd1 Qh2 24. f4 Ne4 25. Qf3 Rxb2 0-1

[Event "ARG-ch sf"]
[Site "Corrientes"]
[Date "2018.03.16"]
[Round "1"]
[White "Sosa, Walter"]
[Black "Perez, Diego Miguel"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1585"]
[BlackElo "1902"]
[PlyCount "45"]
[EventDate "2018.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 c5 2. c3 Nf6 3. Nf3 e6 4. e3 b6 5. Bd3 Bb7 6. Nbd2 Be7 7. 0-0 Nc6 8. Re1 Qc7 9. Nf1 d6 10. Bd2 e5 11. Ng3 0-0 12. Rc1 Rfe8 13. e4 Rad8 14. b4 a6 15. d5 Nb8 16. Nf5 c4 17. Bc2 Bc8 18. N3h4 g6 19. Nh6+ Kg7 20. Qf3 Bf8 21. Bg5 Qe7 22. Re3 Kh8 23. Bxf6+ 1-0

[Event "Resistencia Chaqueno-ch"]
[Site "Resistencia"]
[Date "2018.02.12"]
[Round "6"]
[White "Maciel, Rafael"]
[Black "Sosa, Walter"]
[Result "1/2-1/2"]
[ECO "A07"]
[BlackElo "1573"]
[PlyCount "63"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Nc6 3. g3 Bg7 4. Bg2 e5 5. Nc3 Nge7 6. 0-0 0-0 7. d3 d5 8. exd5 Nxd5 9. Nxd5 Qxd5 10. Re1 Qd6 11. Rb1 Bf5 12. Nh4 Be6 13. f4 Bxa2 14. Ra1 Bd5 15. fxe5 Bxe5 16. Nf3 Bg7 17. c3 Rae8 18. Bf4 Qd7 19. Qd2 a6 20. d4 Rxe1+ 21. Rxe1 Na5 22. Ne5 Qb5 23. Bf1 Qb3 24. Nd7 Rc8 25. Qe2 Be6 26. Nc5 Qd5 27. Nxe6 Re8 28. Qd2 fxe6 29. Bxc7 Nb3 30. Qe3 Nxd4 31. Bg2 Qc4 32. Bf1 1/2-1/2

[Event "Resistencia Chaqueno-ch"]
[Site "Resistencia"]
[Date "2018.02.12"]
[Round "5"]
[White "Sosa, Walter"]
[Black "Alerich, Estanislao Ivan"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1573"]
[PlyCount "33"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 0-0 5. Nbd2 d5 6. c3 c5 7. b3 Nc6 8. e4 cxd4 9. cxd4 dxe4 10. Nxe4 Nxd4 11. Nxd4 Qxd4 12. Be3 Qb4+ 13. Bd2 Qb6 14. Rc1 Rd8 15. Qe2 Qd4 16. Bb1 Nxe4 17. Bxe4 1/2-1/2

[Event "Resistencia Chaqueno-ch"]
[Site "Resistencia"]
[Date "2018.02.11"]
[Round "4"]
[White "Sosa, Arnaldo Javier"]
[Black "Sosa, Walter"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "1829"]
[BlackElo "1573"]
[PlyCount "69"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 c5 7. 0-0 Nbd7 8. h3 a6 9. Be3 b6 10. Qc2 Bb7 11. Rad1 Rc8 12. Qb1 Qc7 13. d5 Qb8 14. Qc1 Kh8 15. Bh6 Ng8 16. Bxg7+ Kxg7 17. Nh4 Nh6 18. g4 f6 19. f4 Rce8 20. f5 g5 21. Ng2 Nf7 22. Bd3 h6 23. b3 Bc8 24. a4 a5 25. Ne2 Nde5 26. Ng3 Rh8 27. Be2 Bd7 28. Qc3 Qc7 29. Kf2 Reg8 30. Rh1 Bc8 31. Ne3 Bd7 32. Nc2 Rh7 33. Rh2 Be8 34. Rdh1 Rgh8 35. Ne3 1/2-1/2

[Event "Resistencia Chaqueno-ch"]
[Site "Resistencia"]
[Date "2018.02.11"]
[Round "3"]
[White "Sosa, Walter"]
[Black "Medina, Carlos Fermin"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1573"]
[BlackElo "1529"]
[PlyCount "89"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 0-0 5. Nbd2 Re8 6. Nf1 d5 7. Ng3 Nc6 8. 0-0 Bg4 9. h3 Bxf3 10. Qxf3 e5 11. dxe5 Nxe5 12. Qd1 c5 13. Bb5 Re7 14. c3 a6 15. Ba4 b5 16. Bc2 Raa7 17. e4 Rad7 18. Qe2 Nc6 19. Bg5 h6 20. Bh4 g5 21. Nf5 Re6 22. Bg3 Nxe4 23. Bxe4 Rxe4 24. Qc2 Qf6 25. Ne3 Qg6 26. Rad1 d4 27. cxd4 Bxd4 28. Kh1 Qe6 29. Ng4 f5 30. f3 Re2 31. Nxh6+ Kf8 32. Qxf5+ Qxf5 33. Nxf5 Rxb2 34. Bd6+ Kf7 35. Bxc5 Ke6 36. Nxd4+ Nxd4 37. Bxd4 Rxa2 38. Rb1 Ra4 39. Be3 Kf5 40. Bc5 Rc4 41. Bb4 Kg6 42. Kh2 Kf5 43. Rb3 Rc8 44. g4+ Ke6 45. Kg3 1-0

[Event "Resistencia Chaqueno-ch"]
[Site "Resistencia"]
[Date "2018.02.10"]
[Round "2"]
[White "Martinez, Geronimo"]
[Black "Sosa, Walter"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "1573"]
[PlyCount "60"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. Be2 0-0 9. 0-0 Rb8 10. b3 a6 11. e5 Ne8 12. f4 Nc7 13. a4 d6 14. Na2 dxe5 15. fxe5 Bxe5 16. Bh6 Qd4+ 17. Kh1 Qxa1 18. Qxa1 Bxa1 19. Bxf8 Kxf8 20. Rxa1 Nd5 21. c4 Nf4 22. Bd1 c5 23. Nc3 Bb7 24. Bf3 Bxf3 25. gxf3 Rxb3 26. Ne4 Ne6 27. f4 f5 28. Nd2 Rb2 29. Rb1 Rxd2 30. Rb6 Nxf4 0-1

[Event "Resistencia Chaqueno-ch"]
[Site "Resistencia"]
[Date "2018.02.10"]
[Round "1"]
[White "Sosa, Walter"]
[Black "Silva, Joao Paulo Gomes"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "1573"]
[BlackElo "1587"]
[PlyCount "64"]
[EventDate "2018.02.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Bb4 5. Bd2 0-0 6. Nf3 c5 7. Be2 cxd4 8. Nxd4 Nc6 9. a3 Nxd4 10. exd4 Bd6 11. c5 Bc7 12. Bg5 h6 13. Bh4 g5 14. Bg3 a6 15. b4 Re8 16. 0-0 e5 17. dxe5 Bxe5 18. Bxe5 Rxe5 19. f4 gxf4 20. Rxf4 Qe7 21. Bf3 Be6 22. Qd4 Nd7 23. Kf2 Rd8 24. Re1 Rxe1 25. Nxd5 Qg5 26. Kxe1 Qe5+ 27. Kf1 Kg7 28. Nc7 Bc4+ 29. Qxc4 Nf6 30. Nd5 Nxd5 31. Rg4+ Kf8 32. Qd4 Ne3+ 0-1

[Event "Chaqueno-ch"]
[Site "Villa Angela"]
[Date "2016.11.28"]
[Round "7"]
[White "Coriat, Leonardo"]
[Black "Sosa, Walter"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "1587"]
[PlyCount "92"]
[EventDate "2016.11.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Be2 g6 4. c3 Bg7 5. d4 cxd4 6. Nxd4 Nf6 7. Nd2 0-0 8. 0-0 b6 9. f4 Bb7 10. Bf3 d6 11. Nxc6 Bxc6 12. e5 Bxf3 13. Nxf3 Ne4 14. Qe2 d5 15. Be3 e6 16. Nd4 Qd7 17. Qb5 Qc7 18. Qb4 Rfc8 19. Nb5 Qd7 20. Rad1 a5 21. Qb3 a4 22. Qb4 Bf8 23. Nd6 Nxd6 24. exd6 Bxd6 25. Qd4 Rc4 26. Qd2 Qc7 27. Qf2 b5 28. Bd4 b4 29. Qh4 Bc5 30. Qf6 Bxd4+ 31. cxd4 Rc2 32. Rb1 Rc8 33. Qe5 Qc4 34. b3 axb3 35. axb3 Qc3 36. Qg5 Qxd4+ 37. Kh1 Rb2 38. h4 h5 39. Rbc1 Rbc2 40. Rb1 Qd2 41. Rbd1 Qc3 42. Rb1 d4 43. f5 exf5 44. Rxf5 Rc1+ 45. Rf1 Rxf1+ 46. Rxf1 d3 0-1

[Event "Chaqueno-ch"]
[Site "Villa Angela"]
[Date "2016.11.27"]
[Round "5"]
[White "Sosa, Arnaldo Javier"]
[Black "Sosa, Walter"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1819"]
[BlackElo "1587"]
[PlyCount "61"]
[EventDate "2016.11.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nc6 7. 0-0 Bd7 8. Be3 Ng4 9. Bc1 Rc8 10. h3 Nf6 11. Be3 Nb8 12. Qb3 b6 13. Rfd1 Qe8 14. Qa3 a5 15. b4 axb4 16. Qxb4 Na6 17. Qb2 Bc6 18. Nd2 Rb8 19. Qc1 Qc8 20. Bf3 Bd7 21. Nf1 Re8 22. Rb1 e6 23. Bh6 Bh8 24. e5 dxe5 25. dxe5 Nc5 26. exf6 Bxf6 27. Ne4 Nxe4 28. Bxe4 e5 29. Ng3 c6 30. Qe3 b5 31. cxb5 1-0

[Event "Chaqueno-ch"]
[Site "Villa Angela"]
[Date "2016.11.27"]
[Round "6"]
[White "Sosa, Walter"]
[Black "Gonzalez, Luis Raul"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1587"]
[PlyCount "79"]
[EventDate "2016.11.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 Be7 5. c4 c6 6. Nc3 Nbd7 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Nxd5 cxd5 10. Bd3 Qb4+ 11. Qd2 Qb6 12. 0-0 0-0 13. Rfc1 Nf6 14. Ne5 Bd7 15. Nxd7 Nxd7 16. Rc3 Rac8 17. Rac1 Rxc3 18. Rxc3 Qb4 19. Qc2 f5 20. a3 Qb6 21. g4 g6 22. g5 Nb8 23. Rc8 Rd8 24. Qc7 Nc6 25. Rxd8+ Nxd8 26. Qxb6 axb6 27. b4 Kf8 28. h4 Ke7 29. Kf1 Nf7 30. Ke2 Kd7 31. Bb5+ Ke7 32. f3 Nd6 33. Bd3 Kd7 34. Kd2 Ke7 35. Kc3 Kd7 36. Kb3 Kc7 37. a4 Kd7 38. a5 b5 39. Kc3 Ke7 40. Kb3 1/2-1/2

[Event "Chaqueno-ch"]
[Site "Villa Angela"]
[Date "2016.11.26"]
[Round "4"]
[White "Sosa, Walter"]
[Black "Romero, Adan"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "1587"]
[PlyCount "92"]
[EventDate "2016.11.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 Nf6 4. c4 c6 5. Nc3 Be7 6. Qc2 Nbd7 7. Bd2 b6 8. a3 Bb7 9. b4 Rc8 10. c5 b5 11. Bd3 h6 12. Rd1 Qc7 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4 Nf6 16. Bd3 0-0 17. Ne5 Qd8 18. Be3 Nd5 19. 0-0 Nxe3 20. fxe3 Bf6 21. Rf3 Rc7 22. Ng4 Bg5 23. Rdf1 f5 24. Ne5 Rf6 25. Qf2 Rcf7 26. Nxf7 Rxf7 27. g4 Bc8 28. gxf5 exf5 29. Bb1 Be6 30. Ba2 Bd5 31. e4 Bxa2 32. Qxa2 Qxd4+ 33. Qf2 Qxe4 34. Re1 Qg4+ 35. Rg3 Qc4 36. Re8+ Kh7 37. Qe2 Qd4+ 38. Kg2 Qd5+ 39. Kh3 f4 40. Re5 Qd7+ 41. Rg4 h5 42. Rexg5 hxg4+ 43. Rxg4 f3 44. Qf2 Qf5 45. Kg3 Re7 46. Qd4 Rd7 1/2-1/2

[Event "Chaqueno-ch"]
[Site "Villa Angela"]
[Date "2016.11.26"]
[Round "3"]
[White "Zamora, Martin"]
[Black "Sosa, Walter"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "1886"]
[BlackElo "1587"]
[PlyCount "74"]
[EventDate "2016.11.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 e6 5. cxd5 exd5 6. Bxf6 Qxf6 7. Nxd5 Qd8 8. Nc3 Bg7 9. e3 0-0 10. Nf3 Nc6 11. Be2 Bf5 12. a3 Re8 13. 0-0 Ne7 14. e4 Bg4 15. d5 a6 16. h3 Bxf3 17. Bxf3 Qd6 18. Qc2 Be5 19. Rac1 Rac8 20. b4 c6 21. Qb3 cxd5 22. Nxd5 Nxd5 23. exd5 Qf6 24. d6 Rxc1 25. Rxc1 Qf4 26. Qe3 Qxe3 27. fxe3 Bxd6 28. Kf2 b6 29. Rc6 Bb8 30. Rxb6 Ba7 31. Rxa6 Bxe3+ 32. Kg3 Rb8 33. Ra8 Rxa8 34. Bxa8 Bd2 35. Kf3 Kf8 36. Ke4 Ke7 37. Kd5 Kd7 1-0

[Event "Chaqueno-ch"]
[Site "Villa Angela"]
[Date "2016.11.25"]
[Round "1"]
[White "Mareco, Facundo"]
[Black "Sosa, Walter"]
[Result "0-1"]
[ECO "B45"]
[BlackElo "1587"]
[PlyCount "131"]
[EventDate "2016.11.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 d5 7. Nxc6 bxc6 8. e5 Nd7 9. Bf4 Bc5 10. b4 Bb6 11. Na4 Bc7 12. Qd4 a5 13. b5 c5 14. Qe3 0-0 15. c3 d4 16. cxd4 cxd4 17. Qxd4 Nb6 18. Qxd8 Rxd8 19. Nxb6 Bxb6 20. Be2 Bd4 21. Rb1 Bc3+ 22. Kf1 Bb7 23. Rb3 Rac8 24. f3 Bd2 25. Bxd2 Rxd2 26. Kf2 Bd5 27. Rd3 Rb2 28. Re3 g6 29. Kg3 Rcc2 30. Re1 Kg7 31. Kf4 h6 32. h4 f6 33. g4 g5+ 34. hxg5 hxg5+ 35. Kg3 Bc4 36. exf6+ Kxf6 37. b6 Rxb6 38. Bxc4 Rxc4 39. Re5 a4 40. R5e4 Rc3 41. Rxa4 Rbb3 42. Rf1 Rxa3 43. Rxa3 Rxa3 44. Rh1 Kg7 45. Rd1 Kf7 46. Kf2 Kf6 47. Ke2 Ke5 48. Rb1 Ra4 49. Rb3 Kf4 50. Rb6 Ra2+ 51. Kd3 Kxf3 52. Rxe6 Kxg4 53. Rg6 Rf2 54. Ke3 Rf7 55. Rg8 Kh4 56. Rh8+ Kg3 57. Ke2 g4 58. Rg8 Kh2 59. Rh8+ Kg2 60. Rg8 g3 61. Ke1 Kh2 62. Rh8+ Kg1 63. Rg8 g2 64. Kd1 Kf1 65. Re8 g1Q 66. Re1+ 0-1

[Event "Chaqueno-ch"]
[Site "Villa Angela"]
[Date "2016.11.25"]
[Round "2"]
[White "Sosa, Walter"]
[Black "Villanueva, Lucas"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1587"]
[PlyCount "29"]
[EventDate "2016.11.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 e6 2. c4 c6 3. Nc3 d6 4. e4 Nd7 5. Be3 Be7 6. Nf3 h6 7. Bd3 f6 8. Nh4 Nf8 9. Qc2 f5 10. Nf3 g6 11. 0-0-0 Bd7 12. e5 g5 13. h3 Ng6 14. g4 Nf4 15. Bxf4 1-0

[Event "Las Brenas IRT 1st"]
[Site "Las Brenas"]
[Date "2015.09.13"]
[Round "8.3"]
[White "Encizo, Tomas"]
[Black "Sosa, Walter"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1660"]
[PlyCount "105"]
[EventDate "2015.09.10"]
[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 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. Nbd2 d5 5. e3 0-0 6. c4 c6 7. c5 Nbd7 8. b4 Re8 9. Bd3 Nf8 10. h3 N6d7 11. Ne5 Nxe5 12. Bxe5 f6 13. Bg3 e5 14. Nb3 Ne6 15. 0-0 e4 16. Be2 Bd7 17. a4 a6 18. Qc2 f5 19. Bd6 Ng5 20. b5 Nf7 21. Bg3 Bf6 22. Qc3 Qc8 23. Rfc1 Bd8 24. bxa6 bxa6 25. Rab1 Bc7 26. Bxc7 Qxc7 27. Rc2 Reb8 28. Rcb2 Nd8 29. Na5 Bc8 30. Rb6 Rxb6 31. cxb6 Qd7 32. Nb3 Nb7 33. Rc1 Nd8 34. Nc5 Qe7 35. Rb1 a5 36. Nb3 Qb4 37. Qxb4 axb4 38. Nc5 Kf7 39. Rxb4 Nb7 40. Ba6 Na5 41. Bxc8 Rxc8 42. b7 Rb8 43. Rb6 Ke7 44. Ra6 Nxb7 45. Ra7 Kd6 46. Rxb7 Rxb7 47. Nxb7+ Kc7 48. Nc5 h6 49. Kh2 g5 50. a5 Kb8 51. h4 f4 52. hxg5 hxg5 53. Kh3 1-0

[Event "Las Brenas IRT 1st"]
[Site "Las Brenas"]
[Date "2015.09.13"]
[Round "9.3"]
[White "Sosa, Walter"]
[Black "Diaz, Cristian"]
[Result "0-1"]
[ECO "E61"]
[BlackElo "1878"]
[PlyCount "66"]
[EventDate "2015.09.10"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e3 d6 6. Be2 Nbd7 7. 0-0 c5 8. d5 Ng4 9. Qc2 Nge5 10. b3 Nxf3+ 11. Bxf3 Ne5 12. Be2 a6 13. Bb2 Rb8 14. h3 Qa5 15. f4 Nd7 16. f5 Ne5 17. e4 b5 18. cxb5 axb5 19. a3 c4 20. b4 Qb6+ 21. Kh1 Bd7 22. Bc1 Rfc8 23. Bg5 Nd3 24. Bh4 Qd4 25. f6 exf6 26. Rad1 f5 27. Be1 Nxe1 28. Rxd4 Nxc2 29. Rd2 Nd4 30. Bd1 Nb3 31. Rc2 Bxc3 32. Rxc3 Nd2 33. Re1 Nxe4 0-1

[Event "Las Brenas IRT 1st"]
[Site "Las Brenas"]
[Date "2015.09.12"]
[Round "6.2"]
[White "Solis Chorvat, Ferran"]
[Black "Sosa, Walter"]
[Result "0-1"]
[ECO "B38"]
[PlyCount "96"]
[EventDate "2015.09.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 d6 7. Nc3 Nf6 8. Be2 Bd7 9. 0-0 0-0 10. Kh1 Rc8 11. f4 a6 12. Rc1 e5 13. Nxc6 Rxc6 14. fxe5 dxe5 15. Qd2 Bg4 16. Rxf6 Qxd2 17. Bxd2 Bxf6 18. Bxg4 Rxc4 19. Rf1 Be7 20. Nd5 Bc5 21. Nf6+ Kg7 22. Nd7 Re8 23. Nxc5 Rxc5 24. Bc3 b5 25. a3 Rc4 26. Bf3 f6 27. Rd1 Rec8 28. Kg1 Rxc3 29. bxc3 Rxc3 30. Ra1 Kf7 31. Kf2 Ke7 32. Ke2 Kd6 33. Kd2 Rc4 34. Rc1 Kc5 35. Rc3 a5 36. Rxc4+ Kxc4 37. Kc2 b4 38. Kb2 Kd4 39. axb4 axb4 40. Kb3 f5 41. exf5 gxf5 42. Bc6 e4 43. Kxb4 Kd3 44. Bb5+ Ke3 45. Kc3 Kf2 46. Kd2 f4 47. g3 f3 48. g4 e3+ 0-1

[Event "Las Brenas IRT 1st"]
[Site "Las Brenas"]
[Date "2015.09.12"]
[Round "5.5"]
[White "Sosa, Walter"]
[Black "Jara Labrenuk, Gerardo Maximil"]
[Result "0-1"]
[ECO "C15"]
[PlyCount "70"]
[EventDate "2015.09.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. Bd2 Nf6 6. g3 b6 7. Bg2 Bb7 8. 0-0 Bd6 9. Re1 Nbd7 10. Nf4 0-0 11. Nxe4 Nxe4 12. Bxe4 Bxe4 13. Rxe4 Nf6 14. Re1 c5 15. Be3 Qc7 16. dxc5 bxc5 17. c4 Rfd8 18. Qe2 Rab8 19. b3 Be5 20. Rac1 Qc6 21. Nh5 Nxh5 22. Qxh5 Bd4 23. Qe2 h6 24. Red1 Qe4 25. Rd3 Bxe3 26. Rxe3 Qf5 27. Rd1 Qf6 28. Red3 Rd4 29. Kg2 Rbd8 30. b4 cxb4 31. c5 e5 32. f3 Qa6 33. Kh3 Rxd3 34. c6 Qc8+ 35. g4 Rxd1 0-1

[Event "Las Brenas IRT 1st"]
[Site "Las Brenas"]
[Date "2015.09.12"]
[Round "7.4"]
[White "Sosa, Walter"]
[Black "Ramela, Lucas"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "68"]
[EventDate "2015.09.10"]
[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 Nf6 2. Nf3 g6 3. e3 Bg7 4. Be2 0-0 5. 0-0 d6 6. Nbd2 Nbd7 7. Re1 e5 8. dxe5 dxe5 9. c3 Ne8 10. Nf1 f5 11. Bd2 Qe7 12. Qb3+ Kh8 13. Rad1 c6 14. Bc1 e4 15. N3d2 Ne5 16. Qc2 Be6 17. b3 Nf6 18. Nb1 Rfd8 19. Ba3 Qf7 20. Rxd8+ Rxd8 21. Rd1 Rd5 22. c4 Rxd1 23. Qxd1 Nfd7 24. Qd2 b6 25. Bb2 Bf6 26. Qd6 Kg7 27. Ng3 Qe7 28. Qd2 Nc5 29. Ba3 Qd7 30. Qd4 Nf3+ 31. gxf3 Bxd4 32. exd4 Qxd4 33. Kg2 Nd3 34. Nh1 Nf4+ 0-1

[Event "Las Brenas IRT 1st"]
[Site "Las Brenas"]
[Date "2015.09.11"]
[Round "3.5"]
[White "Anazco, Fabricio"]
[Black "Sosa, Walter"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "73"]
[EventDate "2015.09.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d6 4. d4 cxd4 5. cxd4 g6 6. d5 Nb8 7. Bd2 Bg7 8. Bc3 Nf6 9. Qb3 Nbd7 10. Nbd2 0-0 11. Be2 Re8 12. 0-0 Nc5 13. Qc2 Bd7 14. b4 Na4 15. Bd4 Rc8 16. Qb3 Qc7 17. Qa3 a6 18. h3 Nc3 19. Bd3 Nb5 20. Bxb5 Bxb5 21. Rfc1 Qd7 22. Qb3 Ba4 23. Qe3 e6 24. Rxc8 Qxc8 25. Qa3 Qd7 26. Qb2 Qe7 27. Rc1 exd5 28. exd5 Nh5 29. Bxg7 Nxg7 30. Re1 Qd7 31. Ne4 Kh8 32. Qf6 Qf5 33. Qxd6 Bc2 34. Nf6 Rxe1+ 35. Nxe1 Qc8 36. Nxc2 Nf5 37. Qc5 1-0

[Event "Las Brenas IRT 1st"]
[Site "Las Brenas"]
[Date "2015.09.11"]
[Round "4.1"]
[White "Sosa, Arnaldo Javier"]
[Black "Sosa, Walter"]
[Result "1/2-1/2"]
[ECO "D70"]
[WhiteElo "1860"]
[PlyCount "116"]
[EventDate "2015.09.10"]
[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 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. h3 Bg7 7. Nf3 0-0 8. Be3 N8d7 9. Qd2 c6 10. Be2 Nf6 11. 0-0 Bd7 12. Rfd1 Rc8 13. b4 Be6 14. Ne5 Nfd7 15. Nxd7 Qxd7 16. Bh6 Rfd8 17. Bxg7 Kxg7 18. Qb2 Kg8 19. Rd2 Nc4 20. Bxc4 Bxc4 21. Rad1 Qc7 22. Ne2 b5 23. Qc3 e5 24. Nc1 exd4 25. Rxd4 Rxd4 26. Qxd4 a5 27. a3 axb4 28. axb4 Qe7 29. Qd7 Qxd7 30. Rxd7 Ra8 31. Nd3 Ra4 32. Ne5 Rxb4 33. Nxc6 Rb1+ 34. Kh2 b4 35. Rd4 Bb5 36. Nxb4 Rb2 37. Kg3 Kg7 38. Nd5 h5 39. h4 Rb3+ 40. f3 Bf1 41. Rd2 Bc4 42. Kf4 Rd3 43. Rxd3 Bxd3 44. e5 Bc4 45. Nf6 Bb5 46. g4 hxg4 47. fxg4 Bc6 48. Ne4 Bd5 49. Nc5 Bc4 50. Kg5 Be2 51. e6 fxe6 52. Nxe6+ Kf7 53. Nf4 Bd1 54. Nd3 Kg7 55. Nf2 Be2 56. Kf4 Bc4 57. h5 gxh5 58. gxh5 Kh6 1/2-1/2

[Event "Las Brenas IRT 1st"]
[Site "Las Brenas"]
[Date "2015.09.11"]
[Round "2.2"]
[White "Sosa, Walter"]
[Black "Zalazar, Diego"]
[Result "1/2-1/2"]
[ECO "D04"]
[BlackElo "1808"]
[PlyCount "60"]
[EventDate "2015.09.10"]
[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 d5 2. Nf3 Nf6 3. e3 Bf5 4. Nbd2 e6 5. Be2 Bd6 6. c4 c6 7. c5 Bc7 8. 0-0 Nbd7 9. Qb3 Rb8 10. Bd3 Bxd3 11. Qxd3 0-0 12. Re1 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Nf3 Bc7 16. b4 Ne4 17. Bb2 Qe7 18. Rab1 f6 19. g3 Qe6 20. Bd4 Qf5 21. Qe2 g5 22. Nd2 g4 23. Nxe4 Qxe4 24. Red1 Be5 25. b5 Bxd4 26. Rb4 h5 27. Rbxd4 Qe7 28. Qd3 Kg7 29. Qf5 Qe5 30. Qd3 Qe7 1/2-1/2

[Event "Las Brenas IRT 1st"]
[Site "Las Brenas"]
[Date "2015.09.10"]
[Round "1.4"]
[White "Tossutti, Juan Carlos"]
[Black "Sosa, Walter"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2098"]
[PlyCount "51"]
[EventDate "2015.09.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nf6 6. Be3 Nc6 7. Bc4 d6 8. f3 Bd7 9. Qd2 Ne5 10. Bb3 Rc8 11. Bh6 0-0 12. 0-0-0 Nc4 13. Bxc4 Rxc4 14. Bxg7 Kxg7 15. h4 h5 16. Nde2 Qa5 17. Qg5 Rc5 18. Qe3 Rfc8 19. Rd4 b5 20. a3 e5 21. Rxd6 b4 22. axb4 Rxc3 23. Nxc3 Qa1+ 24. Nb1 Be6 25. Rxe6 fxe6 26. Qa3 1-0

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.28"]
[Round "7"]
[White "Sosa, Walter"]
[Black "Gutierrez, Joaquin"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "67"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Be2 Bg4 6. d3 e6 7. Bd2 c6 8. Ne4 Qc7 9. Nxf6+ gxf6 10. Nd4 Bxe2 11. Nxe2 Nd7 12. Bc3 Rg8 13. g3 0-0-0 14. Qd2 e5 15. 0-0-0 Nc5 16. Qe3 Kb8 17. b3 Rg6 18. f4 Bh6 19. Qxc5 Rgg8 20. Kb1 Ka8 21. fxe5 fxe5 22. Rhf1 Rd5 23. Qf2 Rf8 24. Qf6 Be3 25. Rf3 Bc5 26. Rdf1 Ba3 27. Bb2 Ra5 28. Bxa3 Rxa3 29. Qg7 Rb8 30. Rxf7 Qa5 31. Rf8 a6 32. Rxb8+ Kxb8 33. Nc1 Qb5 34. Qf8+ 1-0

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.27"]
[Round "6"]
[White "Gil, Fabricio"]
[Black "Sosa, Walter"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1844"]
[PlyCount "128"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. Bb5 Qd7 4. Nc3 dxe4 5. d5 Nf6 6. dxc6 bxc6 7. Qxd7+ Bxd7 8. Ba4 e6 9. Nge2 Bd6 10. 0-0 0-0 11. Nd4 g6 12. Bxc6 Bxc6 13. Nxc6 a5 14. Bg5 Ng4 15. h3 Ne5 16. Ne7+ Kg7 17. Nxe4 f6 18. Bxf6+ Rxf6 19. Nxf6 Kxf6 20. f4 Nc4 21. Nc6 Bc5+ 22. Kh2 Ra6 23. Nb8 Rd6 24. Rad1 Ne3 25. Rxd6 Nxf1+ 26. Kh1 Bxd6 27. Nc6 Bxf4 28. Nxa5 Ne3 29. c4 Kg5 30. Kg1 Nd1 31. b3 Nc3 32. a4 e5 33. Kf2 e4 34. g3 Bd2 35. Nc6 e3+ 36. Kg2 e2 37. Nd4 c5 38. Nf3+ Kh6 39. Kf2 Ne4+ 40. Kxe2 Bb4 41. g4 Nc3+ 42. Kd3 Na2 43. h4 Nc1+ 44. Kc2 Ne2 45. Ne5 Nf4 46. Nc6 Be1 47. a5 Ne6 48. a6 Nc7 49. a7 Bxh4 50. Kd3 Kg5 51. Ne5 Bg3 52. Ke4 h5 53. Nd3 Kxg4 54. Nxc5 h4 55. Ne6 Na8 56. Nd4 h3 57. Nf3 Bf2 58. b4 Bxa7 59. c5 Nc7 60. Ne5+ Kg3 61. Nf3 g5 62. c6 g4 63. Ke5 gxf3 64. Kd6 Bb6 0-1

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.27"]
[Round "5"]
[White "Rojas, Marcelo"]
[Black "Sosa, Walter"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "95"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d3 Be7 5. Be3 Nf6 6. Nc3 Bg4 7. h3 Bh5 8. g4 Bg6 9. Nh4 Qd7 10. Qf3 0-0-0 11. Nxg6 hxg6 12. g5 Nh5 13. Qxf7 Rdf8 14. Qxg6 Kb8 15. Qe6 Qd8 16. Bb5 Qe8 17. Qc4 a6 18. Bxc6 Qxc6 19. Qb3 Nf4 20. Bxf4 exf4 21. 0-0-0 Bxg5 22. f3 Bf6 23. d4 Qd7 24. e5 Be7 25. e6 Qc6 26. d5 Qc5 27. Kb1 Rh5 28. Qa4 g5 29. Qd7 Rh7 30. Ne4 Qb4 31. a3 Qa5 32. Nxg5 Rd8 33. Qxd8+ Bxd8 34. Nxh7 Qb5 35. Rde1 Be7 36. Rd1 c6 37. dxc6 bxc6 38. Rd3 Kc7 39. h4 Qf5 40. Ng5 d5 41. Kc1 Kd6 42. Rb3 Bxg5 43. hxg5 Qxg5 44. Re1 Qe7 45. Rb4 Qh4 46. Kd1 Qe7 47. Rxf4 c5 48. Rf7 1-0

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.21"]
[Round "3"]
[White "Alerich, Estanislao Ivan"]
[Black "Sosa, Walter"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1865"]
[PlyCount "93"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. Nc3 h6 6. Bxc6 Bxc6 7. dxe5 dxe5 8. Qxd8+ Rxd8 9. Nxe5 Rd6 10. Nxc6 Rxc6 11. Bd2 Nf6 12. f3 a6 13. 0-0-0 Bc5 14. Rhe1 Nd7 15. Nd5 Kd8 16. Bc3 Rg6 17. Re2 Kc8 18. Bb4 Bxb4 19. Nxb4 Nc5 20. Nd3 Nxd3+ 21. Rxd3 Rd8 22. Red2 Rxd3 23. cxd3 c6 24. d4 Kc7 25. Kc2 Rg5 26. Kd3 b5 27. Rc2 Kb6 28. b4 f6 29. Ke3 Rh5 30. g4 Rh3 31. Kf4 g5+ 32. Ke3 h5 33. gxh5 Rxh5 34. e5 fxe5 35. dxe5 g4 36. fxg4 Rxe5+ 37. Kf4 Rd5 38. Rb2 Kc7 39. h4 Kd7 40. g5 Rd4+ 41. Kg3 Ke7 42. Rb3 Kf7 43. a3 Kg6 44. Rc3 Rc4 45. Rxc4 bxc4 46. Kf3 Kf5 47. Ke3 1-0

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.21"]
[Round "4"]
[White "Sosa, Walter"]
[Black "Antunez, Pablo"]
[Result "0-1"]
[ECO "A05"]
[BlackElo "1787"]
[PlyCount "40"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. e3 g6 3. Nc3 Bg7 4. d4 d5 5. g3 Nc6 6. Bg2 Bg4 7. Ne2 0-0 8. 0-0 Ne4 9. Ne1 Bf5 10. b3 Qd6 11. c4 dxc4 12. bxc4 e5 13. Bxe4 Bxe4 14. c5 Qd7 15. Nc3 Bf5 16. f3 exd4 17. e4 dxc3 18. Qc2 Be6 19. Rb1 Bc4 20. Rf2 Nd4 0-1

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.20"]
[Round "1"]
[White "Saavedra, Ramiro"]
[Black "Sosa, Walter"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1870"]
[PlyCount "130"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 h6 5. Nc3 Ngf6 6. dxe5 dxe5 7. 0-0 Bd6 8. Be3 0-0 9. h3 b6 10. Re1 Bb7 11. Bd5 Bxd5 12. Nxd5 Nxd5 13. exd5 e4 14. Nd4 Qf6 15. Qg4 Ne5 16. Qxe4 Rae8 17. Qf5 Qd8 18. Nb5 a6 19. Nxd6 cxd6 20. Bd4 Ng6 21. Qg4 Ne5 22. Qg3 f6 23. Be3 Nf7 24. Bf4 Rxe1+ 25. Rxe1 Ne5 26. Bxh6 Qd7 27. Be3 Re8 28. f4 Nc4 29. Bd4 Rxe1+ 30. Qxe1 Kf7 31. b3 Na3 32. Qe6+ Qxe6 33. dxe6+ Ke7 34. f5 Nxc2 35. Bxb6 Nb4 36. a3 Nd5 37. Kf2 Nxb6 38. Ke3 Nd5+ 39. Ke4 Nc3+ 40. Kd3 Nd5 41. g3 Nb6 42. Ke4 Na8 43. Kd5 Nc7+ 44. Ke4 Nb5 45. a4 Nc3+ 46. Ke3 Nd5+ 47. Kd4 Nb4 48. g4 Nc2+ 49. Kc3 Ne3 50. Kd3 Nd1 51. a5 Nf2+ 52. Ke3 Nd1+ 53. Kd2 Nf2 54. b4 Ne4+ 55. Kd3 d5 56. Kd4 Kd6 57. e7 Kxe7 58. Kxd5 Nc3+ 59. Kc6 Kd8 60. Kb6 Nd5+ 61. Kxa6 Nxb4+ 62. Kb5 Nd5 63. a6 Kc7 64. Kc5 Nf4 65. h4 Ng2 1/2-1/2

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.20"]
[Round "2"]
[White "Sosa, Walter"]
[Black "Gomez, Juan Carlos"]
[Result "0-1"]
[ECO "B40"]
[BlackElo "2075"]
[PlyCount "92"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d3 Nc6 5. Be2 Qc7 6. g3 Nf6 7. 0-0 Be7 8. Ne1 d5 9. a3 d4 10. Na2 h5 11. Bg5 Bd7 12. Bxf6 gxf6 13. c3 0-0-0 14. cxd4 Nxd4 15. Rc1 h4 16. Nf3 Nxe2+ 17. Qxe2 hxg3 18. fxg3 Bc6 19. Rfd1 Rdg8 20. Qg2 Bd6 21. Kf1 Bxg3 22. hxg3 Rxg3 23. Qf2 Qf4 24. Ne1 Rh1+ 25. Ke2 Qg4+ 26. Kd2 Qh4 27. Kc3 Rh2 28. Qxc5 Qxe4 29. Qf8+ Kc7 30. Qe7+ Kb6 31. Qb4+ Qxb4+ 32. Nxb4 f5 33. Nxc6 bxc6 34. Nc2 Rgg2 35. Kd4 Rxc2 36. Rxc2 Rxc2 37. b3 Re2 38. a4 e5+ 39. Kc3 Kc5 40. b4+ Kd5 41. Rf1 f4 42. a5 f5 43. Rb1 f3 44. b5 cxb5 45. Rxb5+ axb5 46. Kb3 Kc6 0-1

