[Event "Ciencias Prueba"]
[Site "Ciencias"]
[Date "2019.05.30"]
[Round "1.6"]
[White "Orellana, Oscar"]
[Black "Marateo, Diego"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1467"]
[BlackElo "1646"]
[PlyCount "55"]
[EventDate "2019.05.30"]
[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 d6 2. Nc3 Nf6 3. d4 g6 4. g3 Bg7 5. Nf3 0-0 6. Bd3 Nbd7 7. Be3 c5 8. d5 Qb6 9. b3 Ng4 10. Bd2 Nge5 11. Rb1 Nxd3+ 12. cxd3 Qa6 13. Qc2 Ne5 14. Nxe5 Bxe5 15. f4 Bg7 16. g4 e6 17. a4 Bd7 18. Ne2 b5 19. Bc3 exd5 20. Bxg7 Kxg7 21. f5 dxe4 22. f6+ Kxf6 23. 0-0+ Kg7 24. Nf4 bxa4 25. dxe4 Kg8 26. Nd5 Qa5 27. Nf6+ Kg7 28. Qb2 1-0

[Event "Ciencias Prueba"]
[Site "Ciencias"]
[Date "2019.??.??"]
[Round "4.7"]
[White "Alcaraz, Juan Jose"]
[Black "Orellana, Oscar"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1552"]
[BlackElo "1467"]
[PlyCount "105"]
[EventDate "2019.05.30"]
[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 Nf6 5. Nc3 a6 6. a3 e5 7. Nf5 d6 8. Ng3 Be6 9. Bg5 h6 10. Bxf6 Qxf6 11. Nd5 Qd8 12. c3 Rc8 13. Be2 Na5 14. Rc1 b5 15. 0-0 Nc4 16. Bxc4 Rxc4 17. Qd3 f6 18. Rfd1 h5 19. Nf1 f5 20. f3 f4 21. b3 Rc5 22. Rc2 Kf7 23. c4 Bxd5 24. exd5 h4 25. h3 Qb6 26. Kh1 Qc7 27. Nd2 bxc4 28. bxc4 Be7 29. Rb1 Rb8 30. Rcb2 Rxb2 31. Rxb2 a5 32. Qb3 Qa7 33. Qb7 Rc7 34. Qxa7 Rxa7 35. Kg1 Bd8 36. a4 g5 37. Kf1 Kf6 38. Ne4+ Ke7 39. Ke2 Rc7 40. Kd3 Kd7 41. Rb6 Be7 42. Rb5 Ra7 43. Nc3 Kc7 44. Rb3 Rb7 45. Rb5 Rxb5 46. cxb5 Kb6 47. Ne4 Kc7 48. Nd2 Kb6 49. Kc4 Kc7 50. Kd3 Kb6 51. Nc4+ Kc5 52. b6 Kxd5 53. b7 1-0

[Event "Ciencias Prueba"]
[Site "Ciencias"]
[Date "2019.??.??"]
[Round "6.6"]
[White "Lizasu, Juan Ignacio"]
[Black "Orellana, Oscar"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1618"]
[BlackElo "1467"]
[PlyCount "79"]
[EventDate "2019.05.30"]
[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. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Bc4 a6 6. Nf3 Nc6 7. 0-0 b5 8. Bb3 Bb7 9. Qe2 Qc7 10. Rd1 Na5 11. Bg5 Nxb3 12. axb3 h6 13. Be3 Nf6 14. Rac1 Bc6 15. Nd5 Qb7 16. Nxf6+ gxf6 17. Nd4 Bxe4 18. f3 Bd5 19. Rc3 Bb4 20. Nf5 e5 21. Bc5 Bxc5+ 22. Rxc5 Qa7 23. Rdxd5 Kd8 24. Kf1 Rc8 25. Qc2 Rc7 26. Rxc7 Qxc7 27. Rc5 Qb8 28. Nd6 Ke7 29. Nf5+ Ke6 30. g4 Qb7 31. Ke2 h5 32. Ng7+ Ke7 33. Nxh5 Qb6 34. Qc3 Qd6 35. Qe3 Qe6 36. h3 Qd6 37. Ng3 Qb8 38. Kf2 Rxh3 39. Kg2 Rh8 40. g5 1-0

[Event "Ciencias Prueba"]
[Site "Ciencias"]
[Date "2019.??.??"]
[Round "2.2"]
[White "Navarro Madrid, Omar"]
[Black "Orellana, Oscar"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1711"]
[BlackElo "1467"]
[PlyCount "59"]
[EventDate "2019.05.30"]
[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 Nf6 5. Nc3 e5 6. Ndb5 d6 7. a4 a6 8. Na3 Be7 9. Be2 0-0 10. 0-0 Be6 11. Be3 Qc7 12. Nc4 Bxc4 13. Bxc4 Nb4 14. Bb3 Kh8 15. a5 Nd7 16. Ra4 Nc6 17. Nd5 Qd8 18. Bb6 Nxb6 19. Nxb6 Rb8 20. Qd5 f5 21. exf5 Rxf5 22. c3 Rf6 23. Rg4 Rh6 24. Ba4 Bf6 25. Bxc6 bxc6 26. Qxc6 Rh4 27. Rxh4 Bxh4 28. Rd1 Qf6 29. g3 Rf8 30. Qg2 1-0

[Event "Ciencias Prueba"]
[Site "Ciencias"]
[Date "2019.??.??"]
[Round "5.7"]
[White "Orellana, Oscar"]
[Black "Kromberger, Juan"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1467"]
[BlackElo "1505"]
[PlyCount "127"]
[EventDate "2019.05.30"]
[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 d6 5. Nc3 Nf6 6. a3 a6 7. Bc4 g6 8. Ba2 Bg7 9. Be3 0-0 10. Qd2 Ng4 11. 0-0-0 Nxe3 12. fxe3 Qc7 13. Nd5 Qd8 14. h4 Bg4 15. Rdf1 Rc8 16. Kb1 e6 17. Nc3 Ne5 18. h5 Nc4 19. Qf2 Bxh5 20. g4 Bxg4 21. Rfg1 Bxd4 22. exd4 f5 23. Bxc4 Rxc4 24. e5 dxe5 25. dxe5 Qd4 26. Qh4 Rf7 27. Qg3 Qf4 28. Qh4 Qxe5 29. Qd8+ Kg7 30. Re1 Qf6 31. Qd6 Rc6 32. Qh2 h5 33. Re3 Re7 34. Rhe1 f4 35. Re5 Kf7 36. Nd5 exd5 37. Rxe7+ Kg8 38. Rxb7 Re6 39. Rxe6 Bxe6 40. Qe2 f3 41. Qxa6 f2 42. Rb8+ Kg7 43. Rb7+ Bf7 44. Qf1 g5 45. Rb3 d4 46. Rg3 Bc4 47. Rxg5+ Kh6 48. Rxh5+ Kxh5 49. Qh3+ Kg6 50. Qg3+ Kh5 51. Qh3+ Qh4 52. Qf5+ Qg5 53. Qxf2 Qg4 54. Qh2+ Kg5 55. Qe5+ Kg6 56. b3 Qd1+ 57. Kb2 d3 58. Qe4+ Kf6 59. Qxc4 d2 60. Qc6+ Ke5 61. Qc5+ Kf4 62. Qc4+ Ke3 63. Qc5+ Kf3 64. Qh5+ 1-0

[Event "Ciencias Prueba"]
[Site "Ciencias"]
[Date "2019.??.??"]
[Round "3.4"]
[White "Orellana, Oscar"]
[Black "Maidana, Dario"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1467"]
[BlackElo "1593"]
[PlyCount "63"]
[EventDate "2019.05.30"]
[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. e5 c5 4. Be3 Qb6 5. b3 cxd4 6. Qxd4 Qc7 7. c3 Nc6 8. Bb5 Bd7 9. Bxc6 bxc6 10. Ne2 c5 11. Qf4 g6 12. Qg3 Bg7 13. f4 Ne7 14. Qf2 Rc8 15. 0-0 Nf5 16. Bd2 0-0 17. Kh1 f6 18. exf6 Rxf6 19. Ng3 Rcf8 20. Ne2 Nd6 21. Qh4 Bb5 22. Re1 e5 23. a4 Bxe2 24. Rxe2 exf4 25. Na3 f3 26. gxf3 Rxf3 27. Re7 Qc6 28. Rg1 Rf2 29. Rxg7+ Kxg7 30. Qh6+ Kh8 31. Rxg6 d4+ 32. Kg1 0-1

