[Event "Asuncion Mayor op 2nd"]
[Site "Asuncion"]
[Date "2015.06.14"]
[Round "7"]
[White "Avalos, Leticia"]
[Black "Rivas, Jose"]
[Result "1/2-1/2"]
[ECO "E76"]
[WhiteElo "1667"]
[BlackElo "1779"]
[PlyCount "64"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 b5 8. Qc2 bxc4 9. Bxc4 Ba6 10. Nd2 Ng4 11. Qd3 Bxc4 12. Nxc4 Bd4 13. Ne3 e5 14. Nxg4 f5 15. Nf2 fxe4 16. Ncxe4 exf4 17. Qh3 Re8 18. Kd1 Na6 19. Bxf4 Nb4 20. Ng5 Re7 21. Ng4 Rb8 22. Nh6+ Kg7 23. Nf5+ gxf5 24. Qxh7+ Kf8 25. Qxf5+ Kg8 26. Qg6+ Bg7 27. Qxd6 Nxd5 28. Kc1 Qxd6 29. Bxd6 Bxb2+ 30. Kd2 Bc3+ 31. Kc1 Bb2+ 32. Kd2 Bc3+ 1/2-1/2

[Event "Asuncion Mayor op 2nd"]
[Site "Asuncion"]
[Date "2015.06.14"]
[Round "6"]
[White "Rivas, Jose"]
[Black "Gomez, Osmar"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1779"]
[BlackElo "1549"]
[PlyCount "87"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d3 Nf6 5. Bf4 e6 6. h3 a6 7. a4 Be7 8. g4 h6 9. Bg2 Qb6 10. Qd2 e5 11. Be3 Nd4 12. 0-0 Be6 13. b3 Qc7 14. Nh2 g5 15. Rab1 Nc6 16. Nd5 Bxd5 17. exd5 Nb4 18. c3 Nbxd5 19. d4 Nxe3 20. fxe3 0-0 21. Rfd1 Rad8 22. Nf1 exd4 23. exd4 d5 24. Ne3 Ne4 25. Bxe4 dxe4 26. Nf5 Kh8 27. Qe3 Bf6 28. Qxe4 Rfe8 29. Qf3 Bg7 30. d5 Qe5 31. c4 Rd7 32. Kf1 Qe4 33. Qxe4 Rxe4 34. Re1 Rxe1+ 35. Rxe1 Kh7 36. Re8 Bf6 37. Rc8 b5 38. axb5 axb5 39. Rxc5 bxc4 40. bxc4 Be7 41. Nxe7 Rxe7 42. d6 Rd7 43. Rd5 Kg7 44. c5 1-0

[Event "Asuncion Mayor op 2nd"]
[Site "Asuncion"]
[Date "2015.06.13"]
[Round "5"]
[White "Ocampos, Luis"]
[Black "Rivas, Jose"]
[Result "0-1"]
[ECO "E90"]
[BlackElo "1779"]
[PlyCount "48"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e4 d6 6. Bd3 Nc6 7. h3 e5 8. d5 Ne7 9. 0-0 Nd7 10. Be3 f5 11. exf5 Nxf5 12. Bxf5 gxf5 13. Bg5 Nf6 14. Qd2 f4 15. Ne4 Nxe4 16. Bxd8 Nxd2 17. Bxc7 Nxf1 18. Bxd6 Rd8 19. Bxe5 Bxe5 20. Nxe5 Nd2 21. Rd1 Re8 22. Rxd2 Rxe5 23. d6 Bd7 24. b4 Re4 0-1

[Event "Asuncion Mayor op 2nd"]
[Site "Asuncion"]
[Date "2015.06.13"]
[Round "4"]
[White "Rivas, Jose"]
[Black "Buchaca, Didier"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1779"]
[PlyCount "64"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 d6 4. g3 Nf6 5. Bg2 Be7 6. 0-0 Nc6 7. Nc3 a6 8. a4 0-0 9. Bf4 Bd7 10. Re1 h6 11. Qe2 e5 12. Be3 Be6 13. Nh4 Ng4 14. Nf5 Nxe3 15. Nxe3 Nd4 16. Qd2 Rc8 17. f4 exf4 18. gxf4 Bh4 19. Rf1 f5 20. exf5 Nxf5 21. Nxf5 Bxf5 22. Nd5 Re8 23. Ne3 Qf6 24. c3 Qg6 25. Nxf5 Qxf5 26. Bxb7 Qg4+ 27. Kh1 Re2 28. Qd1 Rxh2+ 29. Kxh2 Qg3+ 30. Kh1 Qh3+ 31. Kg1 Qg3+ 32. Kh1 Qh3+ 1/2-1/2

[Event "Asuncion Mayor op 2nd"]
[Site "Asuncion"]
[Date "2015.06.12"]
[Round "3"]
[White "Lipiniks, Leonardo"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1867"]
[BlackElo "1779"]
[PlyCount "55"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e3 d6 6. Be2 c6 7. 0-0 Qc7 8. b3 Bf5 9. Bb2 Nbd7 10. Nh4 Be6 11. d5 Bf5 12. Nxf5 gxf5 13. Qd3 e6 14. Rac1 Ne5 15. Qb1 Qe7 16. Rfd1 Kh8 17. Rd2 a6 18. Rcd1 Rad8 19. Ba3 c5 20. b4 b6 21. bxc5 bxc5 22. dxe6 fxe6 23. Qb6 Neg4 24. Bxg4 Nxg4 25. Bxc5 Bxc3 26. Rxd6 Rxd6 27. Bxd6 Qd8 28. Be5+ 1-0

[Event "Asuncion Mayor op 2nd"]
[Site "Asuncion"]
[Date "2015.06.12"]
[Round "1"]
[White "Medina, Carlos Fermin"]
[Black "Rivas, Jose"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1403"]
[BlackElo "1779"]
[PlyCount "46"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. e4 Be6 4. Nf3 Be7 5. Be2 Nf6 6. Nc3 Nc6 7. b5 Nd4 8. Bd3 Bg4 9. h3 Nxf3+ 10. gxf3 Be6 11. Ne2 Nh5 12. c4 Bg5 13. Qc2 Nf4 14. Nxf4 Bxf4 15. 0-0-0 0-0 16. Rdg1 a6 17. a4 axb5 18. axb5 c6 19. Kd1 cxb5 20. cxb5 Qb6 21. Ke2 Rfc8 22. Bc3 Ra2 23. Qd1 Rxc3 0-1

[Event "Asuncion Mayor op 2nd"]
[Site "Asuncion"]
[Date "2015.06.12"]
[Round "2"]
[White "Rivas, Jose"]
[Black "Encina, Alfred"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1779"]
[PlyCount "130"]
[EventDate "2015.06.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Qd2 d5 9. Nxc6 bxc6 10. exd5 cxd5 11. Be2 e5 12. Bg5 Be6 13. 0-0 Qb6+ 14. Kh1 d4 15. Na4 Qc6 16. b3 Nd5 17. Rfc1 f6 18. Bh4 Ne3 19. c3 Qd6 20. cxd4 exd4 21. Bg3 Qd8 22. Bc7 Qd5 23. Bf4 f5 24. Rab1 Bf7 25. Bxe3 dxe3 26. Qxe3 Rfe8 27. Qd3 Qxd3 28. Bxd3 Rad8 29. Bf1 Rd2 30. Rc7 Rxa2 31. Rbc1 Bxb3 32. Nc5 Bf7 33. Rxf7 Kxf7 34. Bc4+ Kf8 35. Bxa2 Bb2 36. Rd1 Kg7 37. g4 fxg4 38. fxg4 Re2 39. Nd3 Ba3 40. Bd5 Bd6 41. Bg2 a5 42. Kg1 h5 43. gxh5 gxh5 44. Nc1 Bc5+ 45. Kf1 Rf2+ 46. Ke1 Rxg2 47. Rd5 Bb4+ 48. Kf1 Rxh2 49. Nd3 Kf6 50. Kg1 Rh4 51. Kg2 Bc3 52. Nf2 Ke6 53. Rd3 Rc4 54. Nd1 Bd4 55. Kf3 a4 56. Ne3 Bxe3 57. Kxe3 Rb4 58. Rd8 a3 59. Kd2 Ra4 60. Re8+ Kf7 61. Re1 a2 62. Ra1 Kg6 63. Ke3 h4 64. Kf3 Kf5 65. Kg2 Ke4 0-1

[Event "Asuncion Clasificatorio op"]
[Site "Asuncion"]
[Date "2013.09.14"]
[Round "9.8"]
[White "Cantero, Rodolfo"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "B88"]
[BlackElo "1783"]
[PlyCount "99"]
[EventDate "2013.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nc6 8. Be3 Be7 9. Qd2 Ng4 10. 0-0-0 Nxe3 11. Qxe3 0-0 12. Kb1 Na5 13. f4 Nxb3 14. Nxb3 Qc7 15. Rd2 b5 16. g4 Bb7 17. Rhd1 b4 18. Ne2 a5 19. h4 a4 20. Nbc1 Rfc8 21. h5 d5 22. e5 Ba6 23. c3 Bc5 24. Qf3 Qa5 25. cxb4 Bxb4 26. Rc2 Bc4 27. a3 Bf8 28. Rc3 Rab8 29. Ka1 Qb6 30. Rd2 Bc5 31. Rdc2 Bb3 32. Nxb3 axb3 33. Rc1 Qa5 34. Rxb3 Rxb3 35. Qxb3 h6 36. Qc3 Qxc3 37. Rxc3 Rc7 38. Kb1 Kf8 39. a4 Ke7 40. b4 Bb6 41. Rxc7+ Bxc7 42. Kc2 f6 43. exf6+ gxf6 44. Kd3 e5 45. Nc3 Kd6 46. Nb5+ Kd7 47. Nxc7 Kxc7 48. fxe5 fxe5 49. g5 e4+ 50. Kd4 1-0

[Event "Asuncion Clasificatorio op"]
[Site "Asuncion"]
[Date "2013.09.12"]
[Round "8.6"]
[White "Rivas, Jose"]
[Black "Uribe, Gabriel"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1783"]
[BlackElo "1883"]
[PlyCount "60"]
[EventDate "2013.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Nf6 6. Nf3 Bf5 7. Bd2 Qc7 8. Ne5 e6 9. g4 Be4 10. Nxe4 Nxe4 11. Bf4 Bd6 12. Qe2 Bxe5 13. Bxe5 Qa5+ 14. Kd1 Nf6 15. Bxf6 gxf6 16. Bxe6 0-0 17. Bf5 Nd7 18. Bxd7 Qd5 19. Bxc6 bxc6 20. f3 Qxd4+ 21. Kc1 Rab8 22. c3 Qf4+ 23. Qd2 Qxf3 24. Rd1 Rfe8 25. Qd3 Re3 26. Qd4 c5 27. Qxc5 Re2 28. Rd2 Rxd2 29. Kxd2 Rxb2+ 30. Kc1 Qe2 0-1

[Event "Asuncion Clasificatorio op"]
[Site "Asuncion"]
[Date "2013.09.10"]
[Round "7.4"]
[White "Rivas, Jose"]
[Black "Roman, Rodrigo"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1783"]
[BlackElo "2038"]
[PlyCount "46"]
[EventDate "2013.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a5 6. 0-0 0-0 7. Bg5 h6 8. Be3 Ba7 9. Nbd2 d5 10. exd5 Nxd5 11. Bxa7 Rxa7 12. Re1 Bg4 13. h3 Bh5 14. g4 Bg6 15. Ne4 Nf4 16. Kh2 Kh8 17. Qd2 f5 18. Nxe5 Nxe5 19. Qxf4 Nxc4 20. dxc4 fxe4 21. Qe3 Ra6 22. Rad1 Rd6 23. Rd4 Rf3 0-1

[Event "Asuncion Clasificatorio op"]
[Site "Asuncion"]
[Date "2013.09.08"]
[Round "6.7"]
[White "Cubilla, Rodrigo Antonio"]
[Black "Rivas, Jose"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "1714"]
[BlackElo "1783"]
[PlyCount "92"]
[EventDate "2013.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. Kb1 b5 11. Bxf6 Bxf6 12. g4 h6 13. Bg2 Bb7 14. h4 b4 15. Na4 Rc8 16. Qe2 Bxd4 17. Rxd4 a5 18. b3 e5 19. Rc4 Bc6 20. Nb2 Nb6 21. fxe5 Nxc4 22. Nxc4 dxe5 23. Qf2 0-0 24. g5 h5 25. g6 fxg6 26. Qg3 Be8 27. Bh3 Rd8 28. Be6+ Bf7 29. Qxg6 Bxe6 30. Qxe6+ Qf7 31. Qxe5 Qf3 32. Rg1 Rd1+ 33. Rxd1 Qxd1+ 34. Kb2 Rf1 35. Qd5+ Qxd5 36. exd5 Rf4 37. d6 Kf8 38. Ne5 Ke8 39. c4 bxc3+ 40. Kxc3 Rxh4 41. Ng6 Rg4 42. Ne5 Re4 43. Nc4 Rxc4+ 44. Kxc4 h4 45. Kd5 h3 46. Kc6 Kd8 0-1

[Event "Asuncion Clasificatorio op"]
[Site "Asuncion"]
[Date "2013.09.07"]
[Round "5.4"]
[White "Rivas, Jose"]
[Black "Espinoza, C Enrique E"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1783"]
[BlackElo "1924"]
[PlyCount "128"]
[EventDate "2013.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nf6 4. g3 d6 5. Bg2 Nc6 6. 0-0 Be7 7. Re1 0-0 8. Nbd2 e5 9. a4 h6 10. Nh4 Nh7 11. Nf5 Bg5 12. Nc4 Bxf5 13. exf5 Bxc1 14. Rxc1 Qd7 15. g4 Rae8 16. Ne3 Nf6 17. c4 Nb4 18. Qb3 e4 19. dxe4 Nxe4 20. Rcd1 Nf6 21. h3 Nc6 22. Qd3 Ne5 23. Qxd6 Qxd6 24. Rxd6 Nxc4 25. Rd3 b6 26. Re2 Ne5 27. Rdd2 Rd8 28. f4 Nd3 29. g5 Nh5 30. Ng4 Ndxf4 31. gxh6 Nxe2+ 32. Rxe2 Nf4 33. Rf2 Nxg2 34. hxg7 Kxg7 35. Rxg2 Kh8 36. Nf6 Rd6 37. Ne4 Rd4 38. Nf6 Rfd8 39. Rg5 Rh4 40. Kg2 Rh6 41. Ng4 Rd2+ 42. Kg3 Rd3+ 43. Kf4 Rhxh3 44. Nf6 Rd4+ 45. Ke5 Re3+ 46. Ne4 Rdxe4+ 47. Kf6 Re7 48. Rh5+ Kg8 49. Rg5+ Kf8 50. Rh5 Ke8 51. Rh8+ Kd7 52. Ra8 Kc6 53. Kg7 R3e5 54. Kf6 Re2 55. Rg8 Kd5 56. Rg4 R2e4 57. Rg2 Kc4 58. Kg7 Kb4 59. f6 Rd7 60. Kf8 Kxa4 61. Rg7 Rd8+ 62. Kxf7 Rd7+ 63. Kf8 Rxg7 64. fxg7 Rg4 0-1

[Event "Asuncion Clasificatorio op"]
[Site "Asuncion"]
[Date "2013.09.05"]
[Round "4.9"]
[White "Rivas, Jose"]
[Black "Salinas, Victor"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1783"]
[BlackElo "1636"]
[PlyCount "69"]
[EventDate "2013.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bd3 e6 5. 0-0 Ne7 6. c3 0-0 7. Bg5 h6 8. Be3 b6 9. Qd2 Kh7 10. Qc2 Bb7 11. Nbd2 Nd7 12. h4 f5 13. exf5 exf5 14. Bf4 Nd5 15. Bh2 N7f6 16. a3 Ng4 17. h5 Nxh2 18. hxg6+ Kxg6 19. Kxh2 Nf4 20. Bxf5+ Kf7 21. g3 Nd5 22. c4 Nf6 23. d5 Bc8 24. Be6+ Bxe6 25. dxe6+ Kxe6 26. Qg6 Rg8 27. Nd4+ Kd7 28. Qf5+ Ke8 29. Rfe1+ Kf7 30. Nc6 Qc8 31. Re7+ Kf8 32. Qg6 Ng4+ 33. Kg1 Ne5 34. Nxe5 Kxe7 35. Qf7+ 1-0

[Event "Asuncion Clasificatorio op"]
[Site "Asuncion"]
[Date "2013.09.03"]
[Round "3.11"]
[White "Benitez Irazusta, Eduardo A"]
[Black "Rivas, Jose"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1760"]
[BlackElo "1783"]
[PlyCount "84"]
[EventDate "2013.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. 0-0 a6 5. c3 Nf6 6. e5 dxe5 7. Nxe5 b5 8. Be2 Qc7 9. Bf3 Nd5 10. Re1 Bb7 11. c4 bxc4 12. Qa4+ Nd7 13. Nc3 Be7 14. Nxd7 Qxd7 15. Qxc4 0-0 16. d4 Nb6 17. Qe2 Bxf3 18. Qxf3 cxd4 19. Ne4 e5 20. Bd2 Nc4 21. b3 Nxd2 22. Nxd2 Bb4 23. Red1 Bxd2 24. Rxd2 Rac8 25. b4 Qd6 26. Rb1 Rc4 27. Qb3 Rfc8 28. g3 Qc6 29. a4 Rc1+ 30. Rxc1 Qxc1+ 31. Rd1 Qc3 32. Qxc3 Rxc3 33. Rb1 f6 34. b5 axb5 35. Rxb5 Ra3 36. a5 Kf8 37. Rb8+ Ke7 38. Ra8 Ra1+ 39. Kg2 d3 40. Ra7+ Kd6 41. a6 d2 42. Ra8 Kc7 0-1

[Event "Asuncion Clasificatorio op"]
[Site "Asuncion"]
[Date "2013.09.01"]
[Round "2.10"]
[White "Rivas, Jose"]
[Black "Rivarola, Paul"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1783"]
[BlackElo "1711"]
[PlyCount "90"]
[EventDate "2013.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 g6 4. Ngf3 Bg7 5. g3 e5 6. Bg2 Ne7 7. 0-0 d4 8. Nc4 Bg4 9. h3 Bxf3 10. Qxf3 Na6 11. Qe2 0-0 12. f4 f6 13. g4 b5 14. Nd2 Rc8 15. Nf3 h6 16. fxe5 fxe5 17. Bd2 c5 18. Nh4 Qd6 19. g5 h5 20. a4 b4 21. b3 Nc7 22. Bf3 Ne6 23. Bxh5 gxh5 24. Qxh5 Nf4 25. Bxf4 exf4 26. Rae1 Rc6 27. e5 Qe6 28. Re4 Qxh3 29. Rf3 Qe6 30. Rexf4 Rxf4 31. Rxf4 Ng6 32. Rf6 Bxf6 33. gxf6 Nxh4 34. Qg5+ Kf8 35. Qxh4 Qf7 36. Kf2 Re6 37. Qh8+ Qg8 38. Qh6+ Kf7 39. Qf4 Qg6 40. Kf3 Qh5+ 41. Ke4 Qh1+ 42. Kf5 Qd5 43. Qe4 Rxf6+ 44. Kg5 Qxe4 45. dxe4 Rf2 0-1

[Event "Asuncion Clasificatorio op"]
[Site "Asuncion"]
[Date "2013.08.31"]
[Round "1.15"]
[White "Saucedo, Moises"]
[Black "Rivas, Jose"]
[Result "1/2-1/2"]
[ECO "B21"]
[BlackElo "1783"]
[PlyCount "78"]
[EventDate "2013.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 d6 5. Nf3 Nc6 6. 0-0 Nf6 7. Bg5 e6 8. Re1 Be7 9. c4 0-0 10. Nc3 h6 11. Bh4 Re8 12. a3 a6 13. Rc1 b6 14. b4 Ng4 15. Bg3 Bf6 16. Nd4 Bxd4 17. Qxg4 Ne5 18. Qd1 Bxc3 19. Rxc3 Nc6 20. Bc2 e5 21. Ba4 Qc7 22. Bxc6 Qxc6 23. c5 dxc5 24. bxc5 b5 25. Qd6 Bb7 26. Rd3 Rac8 27. Qd7 Rc7 28. Qxc6 Rxc6 29. Rc1 Rec8 30. Rdc3 f6 31. f3 R8c7 32. Bf2 Bc8 33. Rd3 Be6 34. Rcd1 Kf7 35. Rd6 Ke7 36. Kf1 a5 37. Be1 Bb3 38. Bxa5 Bxd1 39. Bxc7 Rxc7 1/2-1/2

[Event "San Sebastian de los Reyes op 14th"]
[Site "San Sebastian"]
[Date "2012.12.04"]
[Round "4"]
[White "Perez Nunez Castillo, Jose Antonio"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1647"]
[BlackElo "1803"]
[PlyCount "64"]
[EventDate "2012.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. c4 Nf6 4. Bg5 Ne4 5. Bh4 Be6 6. cxd5 Bxd5 7. e3 g6 8. Nc3 Nxc3 9. bxc3 Bg7 10. c4 Be6 11. Rb1 b6 12. d5 Bf5 13. Bd3 Bxd3 14. Qxd3 Na5 15. 0-0 Qd7 16. Rbc1 Rb8 17. Rfe1 0-0 18. Bg3 Bb2 19. Rc2 Bf6 20. e4 Rfd8 21. Qe3 Rbc8 22. Ne5 Qd6 23. Nxf7 Qc5 24. Qxc5 bxc5 25. Nxd8 Rxd8 26. Bxc7 Rd7 27. Bxa5 Be5 28. Rb1 Rd6 29. Bc7 Rf6 30. Bxe5 Rf7 31. Rb8+ Rf8 32. Rxf8+ Kxf8 1-0

[Event "San Sebastian de los Reyes op 14th"]
[Site "San Sebastian"]
[Date "2012.12.02"]
[Round "2"]
[White "Rivas, Jose"]
[Black "Cavalle Pulla, Juan"]
[Result "0-1"]
[ECO "C51"]
[WhiteElo "1803"]
[BlackElo "1557"]
[PlyCount "62"]
[EventDate "2012.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. 0-0 Nf6 7. d4 exd4 8. cxd4 Bb6 9. Qb3 0-0 10. Ba3 d6 11. e5 Nxd4 12. Nxd4 Bxd4 13. Re1 Bxa1 14. Nd2 Bxe5 15. Nf3 Bf4 16. h3 a6 17. Re2 b5 18. g3 bxc4 19. Qxc4 Bh6 20. Nd4 Re8 21. Nc6 Qd7 22. Nd4 Rxe2 23. Nxe2 Qe6 24. Qc6 Qe4 25. Qxc7 Qxe2 26. Qxd6 Qe1+ 27. Kg2 Bb7+ 28. f3 Bxf3+ 29. Kxf3 Qe3+ 30. Kg2 Qd2+ 31. Qxd2 Bxd2 0-1

[Event "San Sebastian de los Reyes op 14th"]
[Site "San Sebastian"]
[Date "2012.12.01"]
[Round "1"]
[White "Plazuelo Pascual, Juan"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1851"]
[BlackElo "1803"]
[PlyCount "49"]
[EventDate "2012.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nf6 5. c3 d5 6. Nxe5 a6 7. Nxc6 bxc6 8. Bxc6+ Bd7 9. Bxa8 Qxa8 10. d4 Bd6 11. e5 Be7 12. exf6 Bxf6 13. Re1+ Be6 14. Bf4 Qb7 15. Qb3 Qc6 16. Qb8+ Bd8 17. Nd2 Qd7 18. Qb7 a5 19. Nb3 a4 20. Nc5 Qe7 21. Qc6+ Bd7 22. Rxe7+ Bxe7 23. Qxd7+ Kf8 24. Qc8+ Bd8 25. Qxd8# 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "2012.05.27"]
[Round "9.6"]
[White "Lopez, Fernando2"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1993"]
[BlackElo "1766"]
[PlyCount "49"]
[EventDate "2012.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. f4 d6 4. Nf3 b5 5. d3 g6 6. g3 e6 7. Bg2 Qc7 8. 0-0 Ne7 9. f5 Bg7 10. fxe6 Bxe6 11. Ng5 Nbc6 12. Nxe6 fxe6 13. Qg4 Nd4 14. Bg5 Rf8 15. Rxf8+ Kxf8 16. Rf1+ Kg8 17. Nd1 h5 18. Qh4 Ndc6 19. Bh3 Qd7 20. g4 d5 21. gxh5 dxe4 22. Qxe4 Qd4+ 23. Qxd4 Bxd4+ 24. Kh1 Rf8 25. Bxe6+ 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "2012.05.26"]
[Round "8.10"]
[White "Rivas, Jose"]
[Black "Lipiniks, Leonardo"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1766"]
[BlackElo "1851"]
[PlyCount "48"]
[EventDate "2012.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nc6 4. h3 Nf6 5. Bd3 Nh5 6. Bc2 g6 7. d4 cxd4 8. cxd4 Bg7 9. Nc3 0-0 10. Be3 e6 11. 0-0 Qe7 12. Qd2 Rd8 13. Rac1 Bd7 14. Bg5 Bf6 15. h4 Be8 16. g4 Bxg5 17. hxg5 Ng7 18. Kg2 Bd7 19. Rh1 Ne8 20. e5 dxe5 21. dxe5 Qb4 22. Be4 Na5 23. Qf4 Bc6 24. Rce1 Qxb2 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "2012.05.14"]
[Round "5.8"]
[White "Recalde, Ariel"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "1970"]
[BlackElo "1766"]
[PlyCount "57"]
[EventDate "2012.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Nd2 Nd7 10. b4 f5 11. f3 f4 12. c5 g5 13. Nc4 Rf6 14. Nb5 Nf8 15. Nxc7 Qxc7 16. cxd6 Rxd6 17. b5 Qc5+ 18. Kh1 Rh6 19. Ba3 Qc7 20. d6 Qd8 21. dxe7 Qe8 22. Qd8 Rxh2+ 23. Kxh2 Qh5+ 24. Kg1 Bh3 25. exf8Q+ Bxf8 26. Qxa8 h6 27. Qxf8+ Kh7 28. Qe7+ Kg8 29. Rfd1 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "2012.05.13"]
[Round "4.10"]
[White "Rivas, Jose"]
[Black "Zarate, Fernandoh"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1766"]
[BlackElo "1720"]
[PlyCount "71"]
[EventDate "2012.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e6 4. Ngf3 Ne7 5. g3 Nd7 6. Bg2 Ng6 7. 0-0 Be7 8. Re1 0-0 9. h4 Bc5 10. h5 Ne7 11. e5 Qb6 12. Qe2 Nf5 13. Nf1 Nd4 14. Qd2 Qc7 15. N1h2 f6 16. exf6 Rxf6 17. Nxd4 Bxd4 18. Nf3 Bb6 19. d4 Rh6 20. Qe2 Rf6 21. Bg5 Rf7 22. Bh3 Nf6 23. Bf4 Qe7 24. Ne5 Rf8 25. c3 Ne4 26. Qg4 c5 27. Rad1 Ba5 28. f3 Nf6 29. Qh4 cxd4 30. h6 g6 31. Qg5 dxc3 32. Nxg6 hxg6 33. Bd6 Qf7 34. Rxe6 Nh7 35. Rxg6+ Kh8 36. Be5+ 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "2012.05.12"]
[Round "3.9"]
[White "Uribe, Gabriel"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1872"]
[BlackElo "1766"]
[PlyCount "115"]
[EventDate "2012.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d6 6. h3 c5 7. Nbd2 Nc6 8. c3 cxd4 9. exd4 Nd5 10. Bg5 h6 11. Bh4 Nf4 12. 0-0 g5 13. Bg3 Nxe2+ 14. Qxe2 g4 15. hxg4 Bxg4 16. Qb5 Qd7 17. Rfe1 d5 18. a4 a6 19. Qb6 f5 20. Bf4 Kh7 21. Re3 Rf7 22. Rae1 Re8 23. Ne5 Nxe5 24. Rxe5 Rf6 25. Re6 Ref8 26. a5 Rxe6 27. Qxe6 Qb5 28. Qxe7 Qxa5 29. Qxb7 Qb5 30. Re7 Qxb7 31. Rxb7 Kg6 32. Ra7 Be2 33. Rd7 Rf6 34. Rxd5 Rb6 35. Rd6+ Rxd6 36. Bxd6 Bf6 37. Bf4 h5 38. g3 Kf7 39. f3 Ke6 40. Kf2 Bd3 41. Ke3 Bc2 42. Nc4 Kd5 43. Kd2 Bb1 44. Ne3+ Ke6 45. b3 h4 46. gxh4 Bxh4 47. Nc4 Be7 48. Nb6 Bd8 49. Na4 Kd5 50. Nc5 a5 51. Kc1 Be4 52. fxe4+ fxe4 53. c4+ Kxd4 54. Ne6+ Kc3 55. Nxd8 Kb4 56. Bd6+ Kxb3 57. c5 e3 58. c6 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "2012.05.06"]
[Round "2.6"]
[White "Ferreira, Oscar"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2251"]
[BlackElo "1766"]
[PlyCount "61"]
[EventDate "2012.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 c6 7. Nc3 Nbd7 8. e4 e5 9. Re1 Ng4 10. Rb1 Nb6 11. h3 exd4 12. Nxd4 Ne5 13. b3 a6 14. Be3 c5 15. Nde2 g5 16. Qd2 g4 17. h4 Nf3+ 18. Bxf3 gxf3 19. Nf4 Be5 20. Nd3 Qf6 21. Nxe5 dxe5 22. Bxc5 h6 23. Bxf8 Kxf8 24. Rbd1 Be6 25. Qd6+ Kg7 26. Nd5 Nxd5 27. exd5 Qg6 28. Qxe5+ Kh7 29. dxe6 f5 30. Rd7+ Kg8 31. e7 1-0

[Event "PAR-ch Mayor"]
[Site "Asuncion"]
[Date "2012.05.05"]
[Round "1.10"]
[White "Rivas, Jose"]
[Black "Goiriz, Yahari Damian"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1766"]
[BlackElo "2104"]
[PlyCount "28"]
[EventDate "2012.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 g6 5. Bc2 Bg7 6. 0-0 e5 7. d4 Nbd7 8. dxe5 dxe5 9. Qd6 Qe7 10. Rd1 Qxd6 11. Rxd6 Ke7 12. Rd1 h6 13. Na3 b6 14. Nc4 Bb7 1/2-1/2

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.14"]
[Round "9"]
[White "Lopez, Francisco1"]
[Black "Rivas, Jose"]
[Result "0-1"]
[ECO "C45"]
[BlackElo "1775"]
[PlyCount "82"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. f3 Qxc6 7. Nc3 Ne7 8. Bd3 a6 9. Qe2 0-0 10. Be3 d5 11. Bxc5 Qxc5 12. exd5 Nxd5 13. Nxd5 Qxd5 14. 0-0 Qd4+ 15. Kh1 Qxb2 16. a4 Qf6 17. Rfe1 Be6 18. Qe4 g6 19. Qxb7 Bf5 20. Qxc7 Bxd3 21. cxd3 Qd4 22. Qe5 Rfd8 23. Qxd4 Rxd4 24. Ra3 Rad8 25. Rd1 Rb8 26. Kg1 Rbb4 27. Kf2 Rxa4 28. Rxa4 Rxa4 29. Ke3 Ra2 30. Rd2 Rxd2 31. Kxd2 Kf8 32. Kc3 Ke7 33. Kc4 Ke6 34. Kc5 Kd7 35. d4 a5 36. d5 a4 37. Kb4 Kd6 38. g3 Kxd5 39. Kxa4 Kd4 40. Kb4 Ke3 41. f4 Kf3 0-1

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.13"]
[Round "8"]
[White "Rivas, Jose"]
[Black "Roman, Rodrigo"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1775"]
[BlackElo "1960"]
[PlyCount "58"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nf6 5. Bg2 d5 6. Nbd2 Be7 7. 0-0 b6 8. Re1 Bb7 9. e5 Nd7 10. c3 Qc7 11. d4 cxd4 12. cxd4 Nb4 13. Re3 Qc2 14. Qe2 Ba6 15. Qe1 Qg6 16. Rc3 Nc2 17. Qd1 Nxa1 18. Qa4 Bc8 19. Bf1 0-0 20. Bb5 Nb8 21. Rc7 Bg5 22. Nxg5 Qxg5 23. Rxa7 Rxa7 24. Qxa7 Qg4 25. Qa4 Na6 26. Bxa6 Bxa6 27. f3 Qg6 28. Qxa6 Qc2 29. Qf1 Rc8 0-1

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.12"]
[Round "7"]
[White "Chang, Suzana"]
[Black "Rivas, Jose"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2028"]
[BlackElo "1775"]
[PlyCount "62"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. Nf3 0-0 5. Bf4 d6 6. e3 Nc6 7. Be2 a6 8. 0-0 Nh5 9. Bg5 h6 10. Bh4 g5 11. Nd2 Nf6 12. Bg3 e5 13. dxe5 Nxe5 14. h4 Nfg4 15. hxg5 hxg5 16. Nf3 f5 17. Nxe5 Nxe5 18. Qd5+ Kh8 19. Bxe5 Bxe5 20. f4 Bxc3 21. bxc3 g4 22. g3 Qf6 23. Kf2 Kg7 24. Rh1 c6 25. Qd4 Be6 26. Rh5 Qxd4 27. cxd4 Rh8 28. Rah1 Rxh5 29. Rxh5 Rh8 30. Rxh8 Kxh8 31. a4 a5 1/2-1/2

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.11"]
[Round "6"]
[White "Rivas, Jose"]
[Black "Torres, Mauricio Jose"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1775"]
[BlackElo "1605"]
[PlyCount "92"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Qd2 d5 9. Nxc6 bxc6 10. e5 Nd7 11. f4 e6 12. Na4 Re8 13. Nc5 Bf8 14. Qc3 Rb8 15. Rb1 h6 16. a3 Nxc5 17. Bxc5 Bxc5 18. Qxc5 Qb6 19. Qxb6 axb6 20. g4 Bd7 21. h4 c5 22. h5 Kg7 23. Kf2 b5 24. Ra1 b4 25. b3 bxa3 26. Rxa3 Ra8 27. Rxa8 Rxa8 28. Bd3 Ra2 29. Rc1 c4 30. bxc4 dxc4 31. Be2 c3 32. Ke3 g5 33. fxg5 hxg5 34. Bd3 Ra5 35. Rh1 Rxe5+ 36. Kd4 Rd5+ 37. Kxc3 f5 38. Be2 Re5 39. Bd1 Bb5 40. Rg1 Re3+ 41. Kd2 f4 42. Rg2 e5 43. Be2 f3 44. Bxf3 Rxf3 45. Rg1 e4 46. Rb1 e3+ 0-1

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.10"]
[Round "5"]
[White "Aquino, Carlos"]
[Black "Rivas, Jose"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1745"]
[BlackElo "1775"]
[PlyCount "76"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. 0-0 Bc5 7. c3 d6 8. d4 exd4 9. cxd4 Bb6 10. Bd5 Nxd5 11. exd5 Ne7 12. Nc3 0-0 13. Bg5 Qd7 14. Bxe7 Qxe7 15. Re1 Qf6 16. h3 Bd7 17. Ne4 Qg6 18. Ng3 Rfe8 19. Qd2 h6 20. Rxe8+ Rxe8 21. Re1 Rxe1+ 22. Qxe1 Kf8 23. a3 Qd3 24. Qc1 Ba5 25. b4 Bb6 26. Qf4 Qxa3 27. Qh4 Qxb4 28. Qd8+ Be8 29. Kh2 Qb1 30. Nh4 Bxd4 31. Ngf5 Bf6 32. Qxc7 Qb4 33. g3 Qc5 34. Qb8 Bxh4 35. Nxd6 Qxf2+ 36. Kh1 Qf1+ 37. Kh2 Qe2+ 38. Kg1 Bxg3 0-1

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.09"]
[Round "4"]
[White "Rivas, Jose"]
[Black "Herrero, Juan Luis"]
[Result "1-0"]
[ECO "B16"]
[WhiteElo "1775"]
[BlackElo "1327"]
[PlyCount "73"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Bf4 Bf5 7. Nf3 Bg4 8. c3 e6 9. h3 Bh5 10. g4 Bg6 11. Bd3 Bd6 12. Bxd6 Qxd6 13. Bxg6 hxg6 14. Qe2 Nd7 15. 0-0-0 Qf4+ 16. Nd2 0-0-0 17. Kb1 Nb6 18. Ne4 f5 19. Nc5 fxg4 20. hxg4 Qd6 21. Qf3 f5 22. gxf5 gxf5 23. Rde1 Qd5 24. Qxd5 exd5 25. Rxh8 Rxh8 26. Re5 Nd7 27. Nxd7 Kxd7 28. Rxf5 Ke7 29. Kc2 Rf8 30. Rxf8 Kxf8 31. Kd3 Ke7 32. Ke3 Ke6 33. Kf4 Kf6 34. b3 b5 35. b4 a6 36. a3 Ke6 37. Kg5 1-0

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.08"]
[Round "3"]
[White "Martinez, Santiago"]
[Black "Rivas, Jose"]
[Result "1/2-1/2"]
[ECO "A16"]
[BlackElo "1775"]
[PlyCount "104"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 a6 7. d3 Nbd7 8. Bg5 Rb8 9. Qd2 b5 10. cxb5 axb5 11. Nd4 Bb7 12. Ndxb5 Bxg2 13. Kxg2 c6 14. Nd4 Qb6 15. Nb3 Nc5 16. Nxc5 Qxc5 17. Rab1 Nd5 18. e4 Nxc3 19. bxc3 Bxc3 20. Qc2 Qxg5 21. Qxc3 c5 22. h4 Qg4 23. Qc4 h5 24. Rb3 Rxb3 25. Qxb3 Qe6 26. Qxe6 fxe6 27. a4 Ra8 28. Ra1 Kf7 29. Kf3 e5 30. Ke3 Ke6 31. Ra2 Kd7 32. Kd2 Kc6 33. Kc3 Rb8 34. a5 Rb7 35. a6 Ra7 36. Kc4 e6 37. f4 exf4 38. gxf4 d5+ 39. Kc3 Kb6 40. exd5 exd5 41. d4 c4 42. Rg2 Rf7 43. Rxg6+ Ka7 44. Rg5 Rxf4 45. Rxd5 Rxh4 46. Rd6 Rh1 47. Kxc4 h4 48. Rh6 h3 49. Kd5 h2 50. Kd6 Kxa6 51. Kd7+ Kb7 52. d5 Rd1 1/2-1/2

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.07"]
[Round "2"]
[White "Rivas, Jose"]
[Black "Alderete, Jazmin"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1775"]
[BlackElo "1565"]
[PlyCount "43"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Qc7 6. Nc3 Nf6 7. Be3 Be7 8. f3 0-0 9. Qd2 Nc6 10. 0-0-0 b5 11. g4 d6 12. h4 Bb7 13. h5 Nd7 14. Nxc6 Bxc6 15. g5 Ne5 16. Qg2 Nc4 17. Bxc4 bxc4 18. Rdg1 f6 19. g6 Kh8 20. h6 hxg6 21. hxg7+ Kxg7 22. Qxg6# 1-0

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.06"]
[Round "1"]
[White "Riline Orso, Alejandro"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "2218"]
[BlackElo "1775"]
[PlyCount "41"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. f4 Nc6 9. Be3 Bd7 10. Qf3 Nxd4 11. Bxd4 Bc6 12. 0-0-0 Qc7 13. g4 0-0 14. f5 e5 15. Be3 h6 16. h4 Kh7 17. g5 Ng8 18. f6 gxf6 19. gxh6 Bd7 20. Rhg1 Be6 21. Qg3 1-0

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2010.05.05"]
[Round "9"]
[White "Rivas, Jose"]
[Black "Salinas, Victor"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1775"]
[BlackElo "1689"]
[PlyCount "85"]
[EventDate "2010.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 b6 2. Bc4 e6 3. Nc3 Bb7 4. Qe2 g6 5. Nf3 Bg7 6. d3 Ne7 7. Bf4 h6 8. Nb5 d6 9. c3 a6 10. Na3 g5 11. Be3 Nd7 12. Bd4 e5 13. Be3 d5 14. exd5 Bxd5 15. Bxd5 Nxd5 16. Bd2 0-0 17. h3 Nf4 18. Bxf4 exf4 19. 0-0 Re8 20. Qd2 Nc5 21. Rad1 Qf6 22. Rfe1 Rad8 23. Rxe8+ Rxe8 24. Re1 Rxe1+ 25. Nxe1 Qe6 26. b4 Na4 27. Nb1 Qe5 28. Nf3 Qd6 29. Qc2 b5 30. Kf1 Qc6 31. d4 Qd5 32. Nbd2 Nb6 33. Nb3 Nc4 34. Nc5 a5 35. Qb3 a4 36. Nxa4 Qxf3 37. gxf3 Nd2+ 38. Ke2 Nxb3 39. axb3 bxa4 40. bxa4 Bf6 41. a5 c5 42. bxc5 Bd8 43. a6 1-0

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2010.05.04"]
[Round "8"]
[White "Rubiani, Oscar"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "1798"]
[BlackElo "1775"]
[PlyCount "109"]
[EventDate "2010.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Be3 b5 9. f3 Qc7 10. 0-0 0-0 11. Qe1 e5 12. Nf5 Bxf5 13. exf5 Nc6 14. Nd5 Nxd5 15. Bxd5 Rac8 16. c3 Bf6 17. a4 Ne7 18. Be4 d5 19. Bd3 d4 20. cxd4 exd4 21. Bd2 Qd7 22. axb5 axb5 23. g4 Nd5 24. g5 Rfe8 25. Qh4 Be5 26. f6 g6 27. Qh6 Nxf6 28. gxf6 Bxf6 29. Ra6 Bg7 30. Qg5 Re5 31. Qg3 Rh5 32. Qg4 Qxg4+ 33. fxg4 Rh3 34. Ra3 Be5 35. Bf4 Bxf4 36. Rxf4 Rc1+ 37. Kg2 Re3 38. Rxd4 Ree1 39. Ra8+ Kg7 40. Rad8 Rg1+ 41. Kf2 Rh1 42. Kg2 Rhg1+ 43. Kh3 Rce1 44. Re4 Rd1 45. Re3 Rd2 46. Re2 Rdd1 47. Rd7 Rdf1 48. Be4 Rf4 49. Bg2 g5 50. Rd5 h6 51. Rxb5 Rd4 52. Rb3 h5 53. gxh5 f5 54. Rb7+ Kh6 55. Re6+ 1-0

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2010.04.28"]
[Round "7"]
[White "Rivas, Jose"]
[Black "Bustos, Sebastian"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1775"]
[BlackElo "1805"]
[PlyCount "68"]
[EventDate "2010.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Be3 a6 6. Nc3 Nf6 7. f3 Qc7 8. Qd2 Bb4 9. a3 Ba5 10. g4 h6 11. 0-0-0 Ne5 12. h4 Nexg4 13. Bf4 Bxc3 14. Bxc7 Bxd2+ 15. Rxd2 Ne3 16. Bd3 b5 17. b3 d5 18. e5 Nh5 19. Re1 Nf5 20. Bxf5 exf5 21. Bd6 Be6 22. b4 Kd7 23. Nb3 Nf4 24. Nc5+ Kc6 25. Rg1 Rhg8 26. Rh2 a5 27. Kd2 axb4 28. axb4 Ra3 29. Rhh1 g6 30. Nb3 Rga8 31. Nd4+ Kb7 32. Nxb5 Ra2 33. Nd4 R8a3 34. Rb1 Rd3+ 0-1

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2010.04.27"]
[Round "6"]
[White "Recalde, Ariel"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "1977"]
[BlackElo "1775"]
[PlyCount "61"]
[EventDate "2010.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Nb5 b6 14. b4 a6 15. Nc3 Ng6 16. c5 Nf6 17. cxb6 cxb6 18. b5 a5 19. Na4 Rb8 20. Rc1 h5 21. Rc6 g4 22. Bxb6 Qe7 23. Bc7 gxf3 24. gxf3 Rb7 25. Bxd6 Qd8 26. Bxf8 Bxf8 27. Kh1 Bd7 28. Rg1 Kh7 29. Qc2 Bb4 30. Nc5 Bxc6 31. bxc6 1-0

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2010.04.23"]
[Round "5"]
[White "Rivas, Jose"]
[Black "Ibanez, Juan"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1775"]
[BlackElo "1999"]
[PlyCount "79"]
[EventDate "2010.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 Nf6 4. Bd3 d6 5. Bc2 Nc6 6. 0-0 Bg4 7. h3 Bh5 8. g4 Bg6 9. Re1 e5 10. d3 Be7 11. Nbd2 0-0 12. Nf1 Qd7 13. Ng3 Rfe8 14. Nf5 Bf8 15. Bg5 Nd8 16. d4 Qc7 17. Bxf6 gxf6 18. d5 Bxf5 19. gxf5 b5 20. Kh1 Bh6 21. Nh2 Kf8 22. Qh5 Bf4 23. Qxh7 Ke7 24. Rg1 Nb7 25. Rg7 Rf8 26. Rag1 Bxh2 27. Kxh2 c4 28. Bd1 Rae8 29. Bh5 Nd8 30. R1g4 Rh8 31. Rxf7+ Nxf7 32. Qxf7+ Kd8 33. Qxc7+ Kxc7 34. Bxe8 Rxe8 35. Rg7+ Kb6 36. Rf7 Kc5 37. Rxf6 b4 38. Re6 Rf8 39. Kg3 b3 40. a3 1-0

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2010.04.21"]
[Round "4"]
[White "Toledo, Orlando"]
[Black "Rivas, Jose"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "1784"]
[BlackElo "1775"]
[PlyCount "116"]
[EventDate "2010.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 Be7 7. g5 Nfd7 8. h4 Nc6 9. Be3 a6 10. Qd2 Qc7 11. Bg2 Nce5 12. 0-0 Nc4 13. Qc1 Nxe3 14. Qxe3 Ne5 15. Nce2 h6 16. f4 hxg5 17. fxe5 dxe5 18. Nb3 gxh4 19. Qf3 Bf6 20. Nc3 Bd7 21. Qe3 0-0-0 22. Rad1 Kb8 23. Rf2 Rdg8 24. Bf1 Bc6 25. Nc5 Qe7 26. Nxa6+ bxa6 27. Qb6+ Qb7 28. Qxa6 Qxa6 29. Bxa6 Rd8 30. Bd3 Rd7 31. Rdf1 Rf8 32. Kg2 Bg5 33. Kh3 f6 34. Ne2 Rb7 35. b3 Rd8 36. Rd1 Bxe4 37. Bxe4 Rxd1 38. Bxb7 Kxb7 39. Nc3 Rd2 40. Rxd2 Bxd2 41. Ne4 Be1 42. Nc5+ Kc6 43. Nxe6 g5 44. Ng7 e4 45. Nf5 Bd2 46. Kg4 e3 47. Kf3 h3 48. c4 Kc5 49. Ng3 Kd4 50. Ke2 g4 51. a3 Ke5 52. b4 f5 53. b5 f4 54. Nh1 f3+ 55. Kd1 f2 56. Ke2 Ba5 57. c5 Kd5 58. b6 Kxc5 0-1

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2010.04.20"]
[Round "3"]
[White "Rivas, Jose"]
[Black "Gomez, Osmar"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1775"]
[PlyCount "49"]
[EventDate "2010.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bd3 Nc6 4. c3 Bc5 5. 0-0 0-0 6. b4 Bb6 7. b5 Ne7 8. Nxe5 Re8 9. Bc4 d5 10. exd5 Nexd5 11. d4 Be6 12. Bg5 Qc8 13. Qc2 Bf5 14. Qb3 Be6 15. Na3 Ba5 16. Bxf6 gxf6 17. Bxd5 Bxd5 18. Qxd5 fxe5 19. c4 Bc3 20. Rad1 Bxd4 21. Nc2 Qg4 22. Nxd4 exd4 23. Rxd4 Qg7 24. h3 h6 25. Rg4 1-0

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2010.04.14"]
[Round "2"]
[White "Rivas, Jose"]
[Black "Saldana, Fernando Javier"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "1775"]
[BlackElo "1833"]
[PlyCount "78"]
[EventDate "2010.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 g6 7. Be3 Bg7 8. Qd2 h5 9. 0-0-0 Nc6 10. Bc4 Bd7 11. Nxc6 Bxc6 12. Kb1 Qc7 13. Nd5 Bxd5 14. Bxd5 0-0 15. h3 Rfc8 16. Bb3 b5 17. g4 a5 18. Bd4 hxg4 19. hxg4 a4 20. Bd5 Rab8 21. g5 Nh5 22. Bxg7 Kxg7 23. e5 dxe5 24. Be4 Rd8 25. Bd3 b4 26. Rxh5 gxh5 27. Rh1 Rh8 28. g6 f6 29. Qe2 b3 30. a3 Rbc8 31. c3 Qc5 32. f4 Rc7 33. Bb5 Ra7 34. Bc4 h4 35. fxe5 Qxe5 36. Qxe5 fxe5 37. Bd3 h3 38. Rh2 Rd7 39. Be2 Rd2 0-1

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2010.04.13"]
[Round "1"]
[White "Berni, Miguel"]
[Black "Rivas, Jose"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1722"]
[BlackElo "1775"]
[PlyCount "76"]
[EventDate "2010.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. e3 0-0 5. Be2 c6 6. 0-0 d5 7. cxd5 cxd5 8. Nc3 a6 9. Qb3 Nc6 10. a4 Rb8 11. Qa3 Bg4 12. Rd1 Ne4 13. b4 e6 14. Bb2 f5 15. Rac1 Qf6 16. Re1 Rf7 17. b5 Bf8 18. Qa1 axb5 19. Ne5 Nxe5 20. dxe5 Qh4 21. Nxe4 fxe4 22. Bxg4 Qxg4 23. axb5 Bb4 24. Bc3 Bxc3 25. Rxc3 Rbf8 26. Rc2 Qh4 27. Qb2 Rf5 28. Rec1 Rh5 29. Rc8 Qxh2+ 30. Kf1 Qh1+ 31. Ke2 Qxg2 32. Rxf8+ Kxf8 33. Rc7 Qf3+ 34. Kd2 Qxf2+ 35. Kc3 Qxe3+ 36. Kb4 b6 37. Qa2 Qe1+ 38. Ka4 Qa5+ 0-1

[Event "Carlos Duria Memorial 4th"]
[Site "Asuncion"]
[Date "2010.01.26"]
[Round "8"]
[White "Rivarola, Paul"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1626"]
[BlackElo "1775"]
[PlyCount "87"]
[EventDate "2010.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 Nc6 5. Nc3 cxd4 6. Nxd4 a6 7. 0-0 Be7 8. b3 0-0 9. Bb2 d5 10. e4 Nxd4 11. Qxd4 dxe4 12. Nxe4 Qc7 13. Rad1 Rb8 14. c4 b6 15. Qe3 Nxe4 16. Bxe4 Bb7 17. Be5 Qc8 18. Bxb8 Qxb8 19. Bxb7 Qxb7 20. Qd3 Bc5 21. Rfe1 h6 22. Qe4 Qe7 23. h4 Qf6 24. Re2 Qc3 25. Kg2 a5 26. Red2 Qf6 27. f4 Bb4 28. Re2 Qc3 29. Qd4 Qxd4 30. Rxd4 Ra8 31. a4 Kf8 32. Kf3 Rc8 33. g4 Be7 34. h5 Ke8 35. Red2 Rd8 36. Rxd8+ Bxd8 37. Ke4 Bc7 38. g5 Ke7 39. gxh6 gxh6 40. f5 Kf6 41. fxe6 fxe6 42. Rd7 Bh2 43. Rd2 Bc7 44. Rg2 1-0

[Event "Carlos Duria Memorial 4th"]
[Site "Asuncion"]
[Date "2010.01.25"]
[Round "7"]
[White "Riva, Eric"]
[Black "Rivas, Jose"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1596"]
[BlackElo "1775"]
[PlyCount "56"]
[EventDate "2010.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 a6 5. 0-0 e6 6. Re1 Be7 7. Bf1 0-0 8. d4 cxd4 9. cxd4 b5 10. h3 Nbd7 11. Nc3 Bb7 12. Bg5 Nb6 13. Rc1 Rc8 14. Bd3 Nc4 15. Qb3 h6 16. Bxf6 Bxf6 17. Nxb5 axb5 18. Bxc4 Bxe4 19. Be2 Qb6 20. Nd2 Bc6 21. Rf1 Bxd4 22. a4 bxa4 23. Qxb6 Bxb6 24. Nc4 Bc5 25. Rfd1 Bd5 26. Bf3 Bxf3 27. gxf3 d5 28. Ne5 Bd6 0-1

[Event "Carlos Duria Memorial 4th"]
[Site "Asuncion"]
[Date "2010.01.24"]
[Round "5"]
[White "Lipiniks, Leonardo"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1915"]
[BlackElo "1775"]
[PlyCount "84"]
[EventDate "2010.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. f4 d6 3. Nf3 Nf6 4. e5 dxe5 5. Nxe5 e6 6. Bb5+ Nbd7 7. Qe2 Bd6 8. 0-0 0-0 9. b3 a6 10. Bd3 b5 11. Bb2 Bb7 12. Na3 Qc7 13. c4 b4 14. Nc2 h6 15. Ne1 Rad8 16. N1f3 Bxe5 17. fxe5 Nh7 18. Bc2 Nb8 19. Rad1 Qe7 20. d4 cxd4 21. Qd3 g6 22. Bxd4 Nc6 23. Qe3 Nxd4 24. Nxd4 Qg5 25. Qxg5 Nxg5 26. Rfe1 Rc8 27. h4 Nh7 28. h5 gxh5 29. Nxe6 fxe6 30. Bxh7+ Kxh7 31. Rd7+ Kg6 32. Rxb7 Rb8 33. Rxb8 Rxb8 34. Rf1 Kg5 35. Rf6 Rb6 36. Kf2 Rc6 37. Ke3 h4 38. Ke4 h5 39. Kd4 Kg4 40. c5 h3 41. gxh3+ Kxh3 42. Rg6 h4 1-0

[Event "Carlos Duria Memorial 4th"]
[Site "Asuncion"]
[Date "2010.01.24"]
[Round "6"]
[White "Rivas, Jose"]
[Black "Portillo, Dario"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "1596"]
[BlackElo "1503"]
[PlyCount "85"]
[EventDate "2010.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Ne2 cxd4 8. cxd4 Nf5 9. Ng3 Nxg3 10. hxg3 Nc6 11. c3 Qc7 12. Bd2 Qe7 13. Bd3 h6 14. Qg4 f6 15. exf6 Qxf6 16. Bg5 Qf8 17. Qh5+ Kd7 18. Kf1 b6 19. Re1 Kc7 20. Bf4+ Kb7 21. Qe2 Qxa3 22. f3 a6 23. Kf2 Qxc3 24. Rc1 Qxd4+ 25. Be3 Qe5 26. Rxc6 Kxc6 27. Qc2+ Kd7 28. Bf4 Qd4+ 29. Be3 Qb4 30. Rb1 Qd6 31. Rxb6 Qc7 32. Qa4+ Kd8 33. Qb4 a5 34. Qb3 a4 35. Qb4 a3 36. Rd6+ Ke8 37. Bb5+ Kf7 38. Qf4+ Ke7 39. Rxe6+ Kxe6 40. Qxc7 Ba6 41. Qc6+ Ke5 42. f4+ Ke4 43. Qe6# 1-0

[Event "Carlos Duria Memorial 4th"]
[Site "Asuncion"]
[Date "2010.01.23"]
[Round "4"]
[White "Rivas, Jose"]
[Black "Torres, Mauricio Jose"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1775"]
[BlackElo "1746"]
[PlyCount "68"]
[EventDate "2010.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. g4 Be6 10. 0-0-0 Qa5 11. Kb1 Ne5 12. Nxe6 fxe6 13. Be2 Rfc8 14. Bd4 Nc4 15. Bxc4 Rxc4 16. g5 Nxe4 17. Nxe4 Qxd2 18. Rxd2 Rxd4 19. Re2 Rf8 20. c3 Rd5 21. Rf1 Rdf5 22. Ref2 b5 23. h4 Rf4 24. h5 gxh5 25. Ng3 h4 26. Nh5 R4f5 27. Nxg7 Kxg7 28. Rh1 Rxf3 29. Rxf3 Rxf3 30. Rxh4 Rg3 31. Rh6 Rxg5 32. Rxe6 Re5 33. Rxe5 dxe5 34. b4 h5 0-1

[Event "Carlos Duria Memorial 4th"]
[Site "Asuncion"]
[Date "2010.01.22"]
[Round "3"]
[White "Rivas, Jose"]
[Black "Salinas, Victor"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1775"]
[BlackElo "1749"]
[PlyCount "59"]
[EventDate "2010.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 b6 2. Nc3 Bb7 3. Bc4 e6 4. d3 Nf6 5. Nf3 d5 6. exd5 exd5 7. Bb5+ c6 8. Ba4 Na6 9. 0-0 Be7 10. d4 0-0 11. Ne2 Re8 12. Ng3 b5 13. Bb3 c5 14. c3 Ne4 15. Bc2 Nxg3 16. fxg3 cxd4 17. cxd4 Nb4 18. Bb3 a5 19. a4 Qb6 20. Bd2 bxa4 21. Bxa4 Bc6 22. Bxb4 Bxb4 23. Bc2 Bb5 24. Rf2 Be7 25. Ne5 Bf6 26. Qh5 Bxe5 27. Bxh7+ Kh8 28. Bg6+ Kg8 29. Qh7+ Kf8 30. Rxf7# 1-0

[Event "Carlos Duria Memorial 4th"]
[Site "Asuncion"]
[Date "2010.01.21"]
[Round "2"]
[White "Gonzalez, Augusto"]
[Black "Rivas, Jose"]
[Result "1-0"]
[ECO "D05"]
[BlackElo "1775"]
[PlyCount "115"]
[EventDate "2010.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. c3 c4 6. Bc2 Bd6 7. Nbd2 0-0 8. 0-0 Nc6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Qc7 12. Qe2 Ne7 13. h3 Nd5 14. Ng5 h6 15. Nf3 Rb8 16. Ne5 Nf6 17. Bc2 b5 18. g4 Bb7 19. g5 hxg5 20. Bxg5 Bxe5 21. dxe5 Qc6 22. f3 Nh7 23. Be7 Rfe8 24. Bd6 Rbd8 25. Qe3 Rxd6 26. exd6 Qxd6 27. Bxh7+ Kxh7 28. Qf2 Rh8 29. Rad1 Bd5 30. Rd4 Kg8 31. Rh4 Rxh4 32. Qxh4 a5 33. Qf2 b4 34. Rb1 Qf4 35. Rf1 Qe5 36. Qh2 Qe3+ 37. Qf2 Qd3 38. Qd4 Qxd4+ 39. cxd4 c3 40. bxc3 bxc3 41. a3 Bb3 42. Kf2 Kf8 43. Ke3 a4 44. Kd3 c2 45. Kd2 Ke7 46. Rg1 g6 47. Rg5 Kd6 48. f4 Ke7 49. h4 Kf6 50. Kc1 Kg7 51. h5 Kf6 52. h6 Bd5 53. Kxc2 Be4+ 54. Kc3 Bf5 55. Kb4 Bc2 56. Kc5 Be4 57. Kd6 Bd5 58. Kd7 1-0

[Event "Carlos Duria Memorial 4th"]
[Site "Asuncion"]
[Date "2010.01.20"]
[Round "1"]
[White "Vera, Lopez Ruben D"]
[Black "Rivas, Jose"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1892"]
[BlackElo "1775"]
[PlyCount "56"]
[EventDate "2010.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 Nd7 4. Be2 Ngf6 5. 0-0 e6 6. h3 Be7 7. b3 0-0 8. d3 a6 9. Bb2 b5 10. a3 Bb7 11. Nh2 Ne8 12. Nb1 Bf6 13. Qc1 Bxb2 14. Qxb2 f5 15. Nd2 fxe4 16. dxe4 Nef6 17. Bf3 Ne5 18. Rae1 Qc7 19. Bd1 c4 20. Qd4 cxb3 21. cxb3 Rac8 22. f4 Nc6 23. Qd3 Nd7 24. b4 Qb6+ 25. Kh1 Qd4 26. Qe2 Qb2 27. Qd3 Qd4 28. Qe2 Qb2 1/2-1/2

