[Event "Rio Tercero CF 60 years"]
[Site "Rio Tercero"]
[Date "2012.05.01"]
[Round "6"]
[White "Munoz, Francisco Javier"]
[Black "Oga, Sebastian"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1975"]
[BlackElo "1683"]
[PlyCount "63"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 a6 7. e3 e6 8. Bd3 Bb4 9. 0-0 0-0 10. Rc1 Bxc3 11. Rxc3 Ne4 12. Rc1 f5 13. Ne5 g5 14. Nxc6 bxc6 15. Be5 Qe8 16. Qe2 Nf6 17. Rc3 Ng4 18. Bd6 Rf6 19. f3 e5 20. fxg4 Rxd6 21. gxf5 e4 22. Bc2 Qf7 23. g4 a5 24. Rf2 Ba6 25. Qd2 Rf6 26. Rc5 h5 27. h3 hxg4 28. hxg4 Rh6 29. Rh2 Qh7 30. Rxa5 Rh3 31. Qg2 Qh4 32. Rxh3 1-0

[Event "Rio Tercero CF 60 years"]
[Site "Rio Tercero"]
[Date "2012.05.01"]
[Round "7"]
[White "Oga, Sebastian"]
[Black "Vecchio, Raul Antonio"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1683"]
[BlackElo "1882"]
[PlyCount "57"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. Be2 c6 6. Nf3 Nbd7 7. h3 0-0 8. Qd2 b5 9. a3 Nb6 10. Bh6 a5 11. Bd3 Be6 12. h4 b4 13. Ne2 bxa3 14. bxa3 Nc4 15. Qc1 d5 16. e5 Ne4 17. Bxg7 Kxg7 18. h5 Rh8 19. Nf4 Qc8 20. Bxc4 dxc4 21. Qe3 Bd5 22. e6 Rb8 23. Ne5 Qb7 24. Nxf7 Qb2 25. 0-0 Rhf8 26. Rab1 Qxc2 27. Rxb8 Rxb8 28. hxg6 hxg6 29. Nh5+ 1-0

[Event "Rio Tercero CF 60 years"]
[Site "Rio Tercero"]
[Date "2012.04.30"]
[Round "5"]
[White "Oga, Sebastian"]
[Black "Boccia, Nicolas"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1683"]
[PlyCount "37"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. exd6 exd6 6. d4 Nc6 7. Bd3 Be7 8. Ne2 0-0 9. Ng3 Re8 10. 0-0 Bf6 11. f4 Nxd4 12. Bxh7+ Kxh7 13. cxd4 c6 14. Rb1 Qa5 15. f5 Qxa2 16. Rb3 Rh8 17. Nh5 Bd8 18. Qg4 Rg8 19. Nf6+ 1-0

[Event "Rio Tercero CF 60 years"]
[Site "Rio Tercero"]
[Date "2012.04.29"]
[Round "3"]
[White "Oga, Sebastian"]
[Black "Toniutti, Ezio"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "1683"]
[BlackElo "2180"]
[PlyCount "52"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. 0-0 g6 6. c3 Bg7 7. d4 exd4 8. cxd4 b5 9. Bb3 0-0 10. Nc3 d6 11. h3 Na5 12. Bc2 Bb7 13. Ne2 Qd7 14. Ng3 Rac8 15. Nh2 Nec6 16. Be3 Nc4 17. Ng4 Nxe3 18. fxe3 Qe7 19. Qf3 Na5 20. Qf2 h5 21. Nh2 Rce8 22. b3 h4 23. Nf5 gxf5 24. exf5 Qxe3 25. Qxe3 Rxe3 26. f6 Re2 0-1

[Event "Rio Tercero CF 60 years"]
[Site "Rio Tercero"]
[Date "2012.04.29"]
[Round "4"]
[White "Ubeira Martinez, Enrique"]
[Black "Oga, Sebastian"]
[Result "0-1"]
[ECO "A51"]
[WhiteElo "2022"]
[BlackElo "1683"]
[PlyCount "66"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. e3 exd4 4. exd4 Bb4+ 5. Nc3 0-0 6. Bd3 Nc6 7. Nge2 d5 8. Bg5 dxc4 9. Bxc4 h6 10. Bh4 a6 11. 0-0 Bd6 12. Kh1 g5 13. Bg3 Bxg3 14. hxg3 b5 15. Bb3 Bb7 16. Qd3 Kg7 17. Rad1 Qd7 18. f3 Rfe8 19. a3 Rad8 20. Bc2 Ne7 21. Ne4 Ned5 22. Bb3 Nxe4 23. fxe4 Nf6 24. Rxf6 Bxe4 25. Qxe4 Rxe4 26. Rxf7+ Qxf7 27. Bxf7 Kxf7 28. Rd2 Rde8 29. Nc3 Re1+ 30. Kh2 g4 31. Nd5 Rf1 32. Rc2 Ree1 33. Rxc7+ Ke8 0-1

[Event "Rio Tercero CF 60 years"]
[Site "Rio Tercero"]
[Date "2012.04.28"]
[Round "2"]
[White "Aldazabal, Benito J"]
[Black "Oga, Sebastian"]
[Result "0-1"]
[ECO "D35"]
[BlackElo "1683"]
[PlyCount "90"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. Bf4 c6 4. e3 Bf5 5. c4 e6 6. Nc3 Be7 7. cxd5 exd5 8. Bd3 Bxd3 9. Qxd3 Nbd7 10. 0-0 Nb6 11. Rac1 Nc4 12. b3 Nd6 13. Ne5 0-0 14. Rfe1 Nfe4 15. f3 Ng5 16. e4 Ne6 17. Bg3 dxe4 18. fxe4 Bh4 19. d5 cxd5 20. exd5 Nc5 21. Qe3 Bxg3 22. Qxg3 f5 23. Nc4 Nce4 24. Nxe4 Nxe4 25. Qd3 Rc8 26. a4 Qc7 27. d6 Qc5+ 28. Ne3 Qxd6 29. Qxd6 Nxd6 30. Rxc8 Rxc8 31. Rd1 Rc6 32. Nd5 Kf7 33. a5 Ne4 34. Ne3 Ke6 35. g3 Rc3 36. Nd5 Rxb3 37. a6 Ng5 38. Nc7+ Ke5 39. Rd5+ Ke4 40. Rb5 Rxb5 41. Nxb5 bxa6 42. Nxa7 a5 43. Nb5 Nf3+ 44. Kg2 Nd4 45. Nd6+ Kd3 0-1

[Event "Rio Tercero CF 60 years"]
[Site "Rio Tercero"]
[Date "2012.04.28"]
[Round "1"]
[White "Oga, Sebastian"]
[Black "Cejas, Jose Angel"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1683"]
[BlackElo "2352"]
[PlyCount "46"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Qd2 0-0 9. Nxc6 bxc6 10. Rd1 Ng4 11. Bxg4 Bxg4 12. f3 Be6 13. Bd4 Bxd4 14. Qxd4 c5 15. Qe3 Qa5 16. 0-0 Rab8 17. b3 c4 18. Nd5 Bxd5 19. exd5 Qxa2 20. bxc4 Rb2 21. Qg5 Rxc2 22. Rfe1 Rb8 23. Rxe7 Rbb2 0-1

