[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.25"]
[Round "9"]
[White "Arias, Ricardo F"]
[Black "Papadopulos, Daniel"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "84"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Nh3 Ne7 7. 0-0 0-0 8. Be3 Nbc6 9. Qd2 Bd7 10. Bh6 Nd4 11. Bxg7 Kxg7 12. Nd1 Rb8 13. Ne3 f5 14. c3 Ndc6 15. f4 b5 16. g4 a5 17. Bf3 b4 18. gxf5 exf5 19. Qg2 Qc8 20. Nf2 fxe4 21. Bxe4 Rxf4 22. Qg5 Rf8 23. Nfg4 Ng8 24. Rxf8 Qxf8 25. Bxc6 Bxc6 26. Rf1 Qd8 27. Qf4 Qe7 28. Nc4 bxc3 29. bxc3 Qe2 30. Nf2 Rf8 31. Qxd6 Rf5 32. Qg3 Nf6 33. Ne3 Rf3 34. Qc7+ Kh8 35. Qxc6 Qxe3 36. Kg2 Rf5 37. Qc8+ Kg7 38. Qc7+ Kh6 39. h3 Qf3+ 40. Kh2 Rg5 41. Ng4+ Nxg4+ 42. hxg4 Qxf1 0-1

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.24"]
[Round "8"]
[White "Gorisnic, Eduardo"]
[Black "Arias, Ricardo F"]
[Result "1-0"]
[ECO "A32"]
[PlyCount "64"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. Nc3 cxd4 5. Nxd4 a6 6. g3 Qc7 7. e4 Bb4 8. Qe2 Qe5 9. Be3 Nxe4 10. Rc1 Nxc3 11. bxc3 Be7 12. Bg2 0-0 13. 0-0 Nc6 14. Rfd1 Na5 15. Rb1 Qc7 16. Bf1 Bc5 17. Bf4 d6 18. Nb3 e5 19. Bc1 Be6 20. Nxa5 Qxa5 21. Rxb7 Qxc3 22. Bd2 Qc2 23. Rdb1 Bxc4 24. Qxc4 Qxd2 25. R1b2 Qe1 26. Kg2 Bd4 27. Re2 Qa5 28. Rc2 h6 29. Bd3 Qd8 30. Qd5 Qf6 31. Bc4 Rad8 32. Bxa6 Bc5 1-0

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.23"]
[Round "7"]
[White "Arias, Ricardo F"]
[Black "Rodriguez, Luis Maria"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "35"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 g6 5. d3 Bg7 6. Nge2 Nc6 7. 0-0 a6 8. h3 0-0 9. f4 Bd7 10. Be3 Ne8 11. Qd2 b5 12. d4 Na5 13. b3 b4 14. Nd1 Bb5 15. c4 bxc3 16. Ndxc3 c4 17. b4 Nc6 18. a4 1-0

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.22"]
[Round "6"]
[White "Idigoras, Alejandro"]
[Black "Arias, Ricardo F"]
[Result "1-0"]
[ECO "A17"]
[PlyCount "61"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 e6 3. e4 Bb7 4. Nf3 Nf6 5. Bd3 d6 6. 0-0 Be7 7. Bc2 c5 8. d4 cxd4 9. Nxd4 Nc6 10. b3 a6 11. Bb2 Nxd4 12. Qxd4 Qc7 13. Rac1 0-0 14. Bb1 Rab8 15. Rfd1 Bc6 16. Nd5 Bxd5 17. cxd5 Qd7 18. dxe6 Qxe6 19. Rc6 Nh5 20. e5 Rfd8 21. Qe4 g6 22. exd6 Qd7 23. Rc7 Qxc7 24. Qd4 Bf6 25. dxc7 Bxd4 26. Rxd4 Re8 27. cxb8Q Rxb8 28. Bd3 b5 29. g3 Ng7 30. Rd6 Ne6 31. Be4 1-0

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.21"]
[Round "5"]
[White "Arias, Ricardo F"]
[Black "Lafuente, Luis"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "64"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. f4 Nc6 6. d3 e6 7. Nh3 Nge7 8. 0-0 d5 9. f5 gxf5 10. exd5 exd5 11. Bg5 Be6 12. Nf4 Qd7 13. Nh5 Bd4+ 14. Kh1 Rg8 15. Qd2 0-0-0 16. Na4 b6 17. Rae1 Rdf8 18. c3 Bh8 19. b4 cxb4 20. cxb4 Ng6 21. Nf6 Bxf6 22. Bxf6 Nce7 23. Nc3 Kb8 24. a4 Rc8 25. b5 f4 26. Ne2 fxg3 27. Nxg3 Qc7 28. Qb4 Qc5 29. Qb2 Qc2 30. Qb4 Qc5 31. Qb2 Qc2 32. Qb4 Qc5 1/2-1/2

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.20"]
[Round "4"]
[White "Negri, Sergio"]
[Black "Arias, Ricardo F"]
[Result "1-0"]
[ECO "E17"]
[PlyCount "91"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. b3 0-0 7. Bb2 d5 8. e3 Nbd7 9. Nc3 c5 10. cxd5 Nxd5 11. Nxd5 Bxd5 12. d4 Rc8 13. Qe2 f5 14. Rac1 Bf6 15. Rfd1 Qe7 16. Ne5 Bxg2 17. Kxg2 Rfd8 18. Nxd7 Qxd7 19. dxc5 Qc6+ 20. Kg1 Rxd1+ 21. Rxd1 Bxb2 22. Qxb2 Qxc5 23. Rd7 e5 24. b4 Qb5 25. Qb3+ Kh8 26. Qd1 h6 27. Rxa7 Qxb4 28. Qd7 Qb1+ 29. Kg2 Qe4+ 30. f3 Qc2+ 31. Kh3 Rg8 32. Qe6 Qb1 33. Kh4 Qg1 34. Qxf5 Qxh2+ 35. Kg4 Qb2 36. e4 Qc3 37. Re7 Qa3 38. Qxe5 Qxa2 39. Kh5 Qh2+ 40. Kg6 Qd2 41. Rxg7 Qg5+ 42. Qxg5 Rxg7+ 43. Kxh6 Rxg5 44. Kxg5 b5 45. Kf4 b4 46. Ke3 1-0

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.18"]
[Round "3"]
[White "Arias, Ricardo F"]
[Black "Barbero, Gerardo F"]
[Result "0-1"]
[ECO "A26"]
[PlyCount "80"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 0-0 5. Nc3 d6 6. 0-0 e5 7. d3 Nc6 8. Ne1 Be6 9. e4 Nd7 10. f4 f5 11. Nc2 Nf6 12. Nd5 Qd7 13. Rb1 Rae8 14. b4 fxe4 15. dxe4 exf4 16. gxf4 Bh3 17. Nxc7 Bg4 18. Nxe8 Bxd1 19. Nxf6+ Bxf6 20. Rxd1 Qe7 21. Kh1 g5 22. b5 Na5 23. Ne3 Qe8 24. e5 dxe5 25. Bd5+ Kh8 26. fxe5 Bxe5 27. Ng4 Bg7 28. Ba3 Rf4 29. Re1 Qh5 30. Ne5 Bxe5 31. Rxe5 Nxc4 32. Rg1 Rf2 33. Re8+ Qxe8 34. Bc5 Rxh2+ 35. Kxh2 Qe5+ 36. Rg3 Qxd5 37. Be7 Qd2+ 38. Rg2 Qf4+ 39. Kh1 Qh4+ 40. Rh2 Qe1+ 0-1

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.17"]
[Round "2"]
[White "Garmendia, Pablo"]
[Black "Arias, Ricardo F"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "72"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 Nxe4 5. d5 Nb8 6. Bd3 Nf6 7. Nxe5 d6 8. Nf3 Nbd7 9. 0-0 Nxd5 10. Ng5 N7f6 11. f4 c6 12. f5 Be7 13. Kh1 h6 14. Nh3 0-0 15. Qf3 Re8 16. g4 Nh7 17. Nf4 Nxf4 18. Bxf4 Qb6 19. Nd2 Qxb2 20. Rae1 Bd7 21. Rb1 Qxc3 22. Rxb7 Bc8 23. Rb3 Qc5 24. Be3 Qe5 25. Qxc6 Bd7 26. Qxd7 Qxe3 27. Nc4 Qd4 28. Re1 Nf6 29. Qc6 Rac8 30. Qa6 Qd5+ 31. Kg1 Qc5+ 32. Kh1 Nxg4 33. Rb2 Nf2+ 34. Rxf2 Qxf2 35. Rxe7 Qf3+ 36. Kg1 Qxd3 0-1

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.16"]
[Round "1"]
[White "Arias, Ricardo F"]
[Black "Romanazzi, Federico"]
[Result "1/2-1/2"]
[ECO "A21"]
[PlyCount "90"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. 0-0 Be7 5. d3 0-0 6. b3 d6 7. c4 e5 8. Nc3 c6 9. b4 Be6 10. Ng5 Bd7 11. Qb3 Kh8 12. f4 h6 13. Nf3 exf4 14. Bxf4 Nh5 15. Be3 Na6 16. d4 Nc7 17. d5 cxd5 18. cxd5 Bf6 19. Bd4 Nb5 20. Rad1 Nxd4 21. Nxd4 Qb6 22. e3 Rae8 23. Nce2 Bb5 24. Bf3 Bxd4 25. Rxd4 Nf6 26. a4 Bxe2 27. Bxe2 Re5 28. a5 Qc7 29. Bf3 Rfe8 30. Re1 g5 31. Qd3 Qe7 32. Kf2 Nd7 33. Rc4 Nf6 34. Qc3 Qf7 35. Rd4 Kh7 36. Qd3 Ne4+ 37. Kg1 Qe7 38. Qc2 g4 39. Bg2 Kg6 40. Qb3 a6 41. Bxe4 Rxe4 42. Qd3 h5 43. Kf2 Rxd4 44. Qxd4 Qe4 45. Qxe4 Rxe4 1/2-1/2

[Event "CADAP zt5 sf corr"]
[Site "Argentina"]
[Date "1978.??.??"]
[Round "?"]
[White "Ruiz, Oscar"]
[Black "Arias, Ricardo F"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "66"]
[EventDate "1978.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 c5 3. Bd3 e6 4. Nd2 d5 5. c3 Nc6 6. f4 Bd6 7. Ngf3 Ng4 8. Qe2 f5 9. Ne5 c4 10. Bc2 Ngxe5 11. fxe5 Be7 12. 0-0 a5 13. Rf3 h5 14. b3 b5 15. g3 g5 16. Qg2 g4 17. Rf1 Qd7 18. bxc4 bxc4 19. Ba4 Bb7 20. Rb1 Rc8 21. e4 fxe4 22. Nxc4 dxc4 23. Qxe4 Kd8 24. Rf7 Ba8 25. Bg5 Re8 26. Qh7 Qc7 27. Rbf1 Bxg5 28. Rxc7 Be3+ 29. Kg2 Rxc7 30. Qe4 Bd2 31. d5 Nb4 32. Rd1 Bxd5 33. Rxd2 Nd3 0-1

[Event "CADAP zt5 sf corr"]
[Site "Argentina"]
[Date "1976.??.??"]
[Round "?"]
[White "Arias, Ricardo F"]
[Black "Colombo Berra, Fernando"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "59"]
[EventDate "1976.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. Nc3 0-0 9. h3 Bh5 10. Be3 d5 11. c5 Bxf3 12. gxf3 N6d7 13. f4 f5 14. Kh2 Kh8 15. Rg1 Rg8 16. Qb3 b6 17. Rac1 Bh4 18. Bf3 c6 19. Nb5 cxb5 20. c6 Nxc6 21. Rxc6 Qe8 22. Rgc1 Nc5 23. dxc5 Qxc6 24. cxb6 Qb7 25. Rc7 Qb8 26. Rxa7 Rxa7 27. bxa7 Qb7 28. Qa3 Ra8 29. Qd6 Re8 30. Qb6 1-0

[Event "CADAP zt5 sf corr"]
[Site "Argentina"]
[Date "1976.??.??"]
[Round "?"]
[White "Martinez Acosta, Pedro Hernandez"]
[Black "Arias, Ricardo F"]
[Result "0-1"]
[ECO "E81"]
[PlyCount "52"]
[EventDate "1976.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c6 6. Be3 Nbd7 7. Bd3 a6 8. Nge2 b5 9. Qd2 0-0 10. Bh6 Qa5 11. cxb5 axb5 12. h4 Bxh6 13. Qxh6 b4 14. Nd1 Ba6 15. Bxa6 Rxa6 16. b3 Rfa8 17. Ng3 Qb5 18. Qd2 c5 19. Ne3 cxd4 20. Nc4 Nc5 21. Rh3 Nxb3 22. Qh6 Qxc4 23. Nf5 Na5 24. Rg3 Qc3+ 25. Kf2 Qxa1 26. Nxe7+ Kh8 0-1

