[Event "Nueva Helvecia Colonia Cup"]
[Site "Nueva Helvecia"]
[Date "2019.09.29"]
[Round "4"]
[White "Martinelli, Raul"]
[Black "Viera, Oscar"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1826"]
[BlackElo "1936"]
[PlyCount "96"]
[EventDate "2019.09.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. c3 Bd6 5. Bg3 0-0 6. e3 b6 7. Bd3 Ba6 8. Qe2 Bxd3 9. Qxd3 c5 10. Nbd2 c4 11. Qc2 b5 12. e4 Nh5 13. e5 Be7 14. 0-0 Nc6 15. a3 a5 16. b4 cxb3 17. Qxb3 Nxg3 18. fxg3 Qb6 19. Kh1 Rab8 20. Rab1 b4 21. a4 Qa7 22. Qb2 Rfc8 23. Rfc1 bxc3 24. Qxc3 Bb4 25. Qd3 Bxd2 26. Qxd2 Rxb1 27. Rxb1 Nb4 28. Rc1 Qa6 29. h3 Kf8 30. Kh2 Rxc1 31. Qxc1 Qc4 32. Qb1 Qc2 33. Qxc2 Nxc2 34. Kg1 f6 35. exf6 gxf6 36. Kf2 Ke7 37. Ke2 Kd6 38. Kd2 Nb4 39. Kc3 e5 40. Nd2 Nc6 41. Nb3 exd4+ 42. Nxd4 Nxd4 43. Kxd4 h5 44. g4 h4 45. Ke3 Ke5 46. Kd3 d4 47. Ke2 Ke4 48. Kd2 d3 0-1

[Event "Nueva Helvecia Colonia Cup"]
[Site "Nueva Helvecia"]
[Date "2019.09.29"]
[Round "3"]
[White "Viera, Oscar"]
[Black "Santana, Sofia"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "1936"]
[PlyCount "37"]
[EventDate "2019.09.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 exf4 4. Nf3 Bc5 5. d4 Bb4 6. Bd3 Ng4 7. Bxf4 Qe7 8. 0-0 d5 9. Nxd5 Qd7 10. Nxb4 Qe6 11. Nd5 Nc6 12. Nxc7+ Ke7 13. Nxe6 Kxe6 14. d5+ Kd7 15. dxc6+ Kxc6 16. e5 Rd8 17. Be4+ Kc7 18. e6+ Rd6 19. Qxd6# 1-0

[Event "Nueva Helvecia Colonia Cup"]
[Site "Nueva Helvecia"]
[Date "2019.09.29"]
[Round "5"]
[White "Viera, Oscar"]
[Black "Vazquez, Facundo"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1936"]
[BlackElo "2103"]
[PlyCount "78"]
[EventDate "2019.09.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. 0-0 Nxd4 9. Nxd4 Qxd4 10. Nc3 a6 11. Qf3 Ne7 12. Bf4 Ng6 13. Bg3 Be7 14. Rfe1 Rc8 15. Rad1 Qb4 16. Re2 0-0 17. a3 Qb3 18. Bc2 Qb6 19. Bb1 Bb5 20. Nxb5 axb5 21. Qd3 b4 22. h4 Qa6 23. Qxa6 bxa6 24. h5 Nh8 25. axb4 Bxb4 26. Bd3 a5 27. Bf4 Rc6 28. h6 Ng6 29. hxg7 Kxg7 30. Bg3 Rfc8 31. Ra1 Rc1+ 32. Rxc1 Rxc1+ 33. Kh2 h5 34. Bxg6 Kxg6 35. Bf4 Rd1 36. g3 d4 37. Rc2 d3 38. Rc8 d2 39. Rd8 Rf1 0-1

[Event "Nueva Helvecia Colonia Cup"]
[Site "Nueva Helvecia"]
[Date "2019.09.28"]
[Round "2"]
[White "Coppola, Claudio"]
[Black "Viera, Oscar"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2270"]
[BlackElo "1936"]
[PlyCount "21"]
[EventDate "2019.09.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 c6 4. Nc3 Nf6 5. Qb3 Qc7 6. Bf4 Qc8 7. cxd5 cxd5 8. Rc1 Nc6 9. Nb5 Nh5 10. Qe3 Nxf4 11. Nd6+ 1-0

[Event "Nueva Helvecia Colonia Cup"]
[Site "Nueva Helvecia"]
[Date "2019.09.28"]
[Round "1"]
[White "Viera, Oscar"]
[Black "Costa, Maria"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1936"]
[PlyCount "55"]
[EventDate "2019.09.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. 0-0 Nc6 6. c3 b6 7. e5 Bb7 8. exd6 Qxd6 9. Na3 a6 10. d4 e6 11. Nc4 Qc7 12. Bf4 Qd8 13. Nd6+ Kf8 14. Nxb7 Qd7 15. Nd6 Nge7 16. Nc4 Qd8 17. dxc5 Nd5 18. Nxb6 Nxb6 19. Qxd8+ Rxd8 20. cxb6 Rd7 21. Rfd1 Rb7 22. Bc7 Ke7 23. Nd2 Kd7 24. Nc4+ Kc8 25. Bxc6 Rxb6 26. Bxb6 Bf6 27. Rd7 Re8 28. Nd6+ 1-0

