[Event "World U20-ch20"]
[Site "Mexico City"]
[Date "1981.09.02"]
[Round "13"]
[White "Rodriguez, Rogerio"]
[Black "Heaven, Peter"]
[Result "0-1"]
[ECO "B99"]
[PlyCount "80"]
[EventDate "1981.08.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[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 h6 9. Bh4 Qc7 10. 0-0-0 Nbd7 11. g4 g5 12. fxg5 Ne5 13. Qg3 hxg5 14. Bxg5 Nfxg4 15. Bxe7 Qxe7 16. Be2 Bd7 17. Kb1 Qh4 18. Rdf1 Qxg3 19. hxg3 Rxh1 20. Rxh1 Ke7 21. Nf3 Rg8 22. Rg1 Nxf3 23. Bxf3 Ne5 24. Bh5 b5 25. b4 Rh8 26. g4 Rc8 27. Rg3 Rc4 28. a3 Bc6 29. Re3 Rd4 30. Ka2 f6 31. Re2 Kf8 32. Kb3 Kg7 33. Re3 Kh6 34. Re2 Kg5 35. Re1 Nf3 36. Re2 Nd2+ 37. Kb2 Nxe4 38. Nxe4+ Rxe4 39. Rd2 Bd5 40. Kc1 f5 0-1

[Event "World U20-ch20"]
[Site "Mexico City"]
[Date "1981.08.31"]
[Round "12"]
[White "Tavares, Shawn P"]
[Black "Rodriguez, Rogerio"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "35"]
[EventDate "1981.08.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 e6 5. Nf3 Nf6 6. Nc3 Bb4 7. Bd3 Qc7 8. 0-0 0-0 9. e5 Bxc3 10. bxc3 Nd5 11. Bxh7+ Kxh7 12. Ng5+ Kg6 13. Qg4 f5 14. Qg3 f4 15. Qg4 Kh6 16. Qh4+ Kg6 17. Qh7+ Kxg5 18. h4+ 1-0

[Event "World U20-ch20"]
[Site "Mexico City"]
[Date "1981.08.30"]
[Round "11"]
[White "Waqar, Mohamed"]
[Black "Rodriguez, Rogerio"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "81"]
[EventDate "1981.08.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Ne2 Nf6 6. Nbc3 Bc5 7. Ng3 0-0 8. Bd3 d6 9. 0-0 Ng4 10. h3 Qh4 11. Nce2 Nh6 12. Bxh6 gxh6 13. Kh2 Kh8 14. Ng1 Rg8 15. Qh5 Qf6 16. Qf3 Qg5 17. c3 Rg6 18. Rad1 Ne7 19. Qh5 Bxf2 20. Qxg5 Bxg1+ 21. Kxg1 Rxg5 22. Rxf7 Rxg3 23. Rxe7 Bxh3 24. Kh2 Bg4 25. Kxg3 Bxd1 26. Bc4 Ba4 27. Bd5 Bc6 28. c4 Rf8 29. Bxc6 bxc6 30. Rxa7 Rf4 31. c5 dxc5 32. Ra4 Rf1 33. Rc4 Rd1 34. Rxc5 Rd2 35. Rxc6 Rxb2 36. Ra6 Kg7 37. a4 h5 38. a5 Kf7 39. Ra8 Rb4 40. a6 Rxe4 41. a7 1-0

[Event "World U20-ch20"]
[Site "Mexico City"]
[Date "1981.08.29"]
[Round "10"]
[White "Rodriguez, Rogerio"]
[Black "Castaneda, Blas"]
[Result "0-1"]
[ECO "B24"]
[PlyCount "74"]
[EventDate "1981.08.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e6 6. d3 Nge7 7. Be3 Nd4 8. Qd2 Nec6 9. 0-0 0-0 10. Nh4 b5 11. Rac1 Qa5 12. a3 b4 13. Nd1 bxa3 14. Qxa5 Nxa5 15. Bxd4 cxd4 16. bxa3 Ba6 17. f4 Rfc8 18. e5 Rab8 19. Rf2 Bxd3 20. Rd2 Bb5 21. Ra1 d3 22. Be4 d5 23. Bxd3 Bxd3 24. Rxd3 Rxc2 25. Ng2 Bf8 26. Nge3 Bc5 27. Kh1 Bxe3 28. Rxe3 Nc4 29. Rf3 a5 30. Kg1 a4 31. Rc3 Rd2 32. h3 h5 33. h4 Kf8 34. Kf1 Rb3 35. Rxb3 axb3 36. Ke1 Ra2 37. Rb1 Rxa3 0-1

[Event "World U20-ch20"]
[Site "Mexico City"]
[Date "1981.08.27"]
[Round "9"]
[White "Krewi, Nasser"]
[Black "Rodriguez, Rogerio"]
[Result "1/2-1/2"]
[ECO "A68"]
[PlyCount "105"]
[EventDate "1981.08.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 0-0 9. Bd3 a6 10. a4 Bg4 11. h3 Bxf3 12. Qxf3 Nbd7 13. 0-0 Qc7 14. Qe2 Rfe8 15. a5 Rec8 16. Ra4 c4 17. Rxc4 Qxa5 18. b4 Qd8 19. e5 Nh5 20. Qe1 dxe5 21. f5 Rxc4 22. Bxc4 Rc8 23. Bd3 Qb6+ 24. Kh2 e4 25. Nxe4 Qd4 26. Qe3 Qxd5 27. fxg6 hxg6 28. Qf3 Ne5 29. Nf6+ Nxf6 30. Qxd5 Nxd5 31. Be4 Nxb4 32. Bxb7 Rc7 33. Be4 Nbd3 34. Be3 Rc2 35. Rd1 Re2 36. Bxd3 Rxe3 37. Bxa6 Bh6 38. Rf1 Ra3 39. Bb7 Bd2 40. Bd5 Rc3 41. Ba2 g5 42. Bd5 Rc2 43. Bb3 Rc3 44. Bd5 Bf4+ 45. Kh1 Kg7 46. h4 Rc1 47. Rxc1 Bxc1 48. hxg5 Bxg5 49. Kh2 Bd2 50. Kg3 Kg6 51. Kf2 Nd3+ 52. Kf3 f6 53. Be4+ 1/2-1/2

[Event "World U20-ch20"]
[Site "Mexico City"]
[Date "1981.08.26"]
[Round "8"]
[White "Kumar Singh, Promod"]
[Black "Rodriguez, Rogerio"]
[Result "0-1"]
[ECO "B32"]
[PlyCount "36"]
[EventDate "1981.08.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qd3 Nge7 9. Be3 d5 10. exd5 Nb4 11. Qd2 Nexd5 12. Bc5 Qh4 13. Na3 Bf5 14. c3 Qe4+ 15. Be2 Nf4 16. cxb4 Nxg2+ 17. Kf1 Ne3+ 18. fxe3 Bh3+ 0-1

[Event "World U20-ch20"]
[Site "Mexico City"]
[Date "1981.08.25"]
[Round "7"]
[White "Rodriguez, Rogerio"]
[Black "Arosemena Torrijos, Franklin Alberto"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "56"]
[EventDate "1981.08.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nf6 5. Nf3 Bf5 6. Nc3 c6 7. Bf4 h6 8. Bd3 Bxd3 9. Qxd3 e6 10. 0-0 Bd6 11. Ne5 Bxe5 12. Bxe5 Nbd7 13. Qg3 Nxe5 14. dxe5 Nh5 15. Qf3 Qg5 16. Ne4 Qxe5 17. Rfe1 Nf6 18. Ng3 Qxb2 19. Rab1 Qxa2 20. Nf5 0-0 21. Nxh6+ Kh7 22. g4 Qxc4 23. g5 Qd5 24. Qe3 gxh6 25. Rxb7 Qxg5+ 26. Qxg5 hxg5 27. Rxe6 Kg6 28. Rc7 fxe6 0-1

[Event "World U20-ch20"]
[Site "Mexico City"]
[Date "1981.08.23"]
[Round "6"]
[White "Rodriguez, Rogerio"]
[Black "Bernal Moro, Luis Javier"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "96"]
[EventDate "1981.08.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 d5 10. Nxd5 Nxd5 11. Nxc6 bxc6 12. exd5 cxd5 13. Qxd5 Qc7 14. Qc5 Qb7 15. Bd4 Bf5 16. Qa3 Qc7 17. Qc3 Rfc8 18. Qxc7 Rxc7 19. Bc3 Bxc3 20. bxc3 Rxc3 21. Bd3 Be6 22. Kb2 Rc5 23. Ra1 Rb8+ 24. Kc1 Bf5 25. Bxf5 gxf5 26. Rb1 Rbc8 27. Rb2 e5 28. Re1 f6 29. g3 Rc3 30. Rf1 R8c7 31. Rf2 Kg7 32. Rb4 a5 33. Rb3 R3c5 34. Kb2 h5 35. h3 Kg6 36. Re3 Rc4 37. Rd2 a4 38. a3 f4 39. gxf4 Rxf4 40. Rd6 Kf5 41. Rd2 Rg7 42. Rdd3 Rg3 43. Re4 Rgxf3 44. Rxf3 Kxe4 45. Rg3 Rf2 46. Kc1 Rf3 47. Rxf3 Kxf3 48. Kd2 Ke4 0-1

[Event "World U20-ch20"]
[Site "Mexico City"]
[Date "1981.08.22"]
[Round "5"]
[White "Font Alvelo, Joaquim"]
[Black "Rodriguez, Rogerio"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "89"]
[EventDate "1981.08.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. b3 Nge7 5. 0-0 d5 6. exd5 Nxd5 7. Ne5 Bd7 8. Bxc6 Bxc6 9. Nxc6 bxc6 10. Bb2 Bd6 11. Qg4 Qc7 12. g3 0-0-0 13. Nc3 h5 14. Qc4 h4 15. Ne4 hxg3 16. fxg3 f5 17. Nxd6+ Qxd6 18. Rae1 Nc7 19. Bxg7 Rh7 20. Bc3 Rg8 21. Re5 Nd5 22. Rfe1 Kb7 23. Qd3 Rh3 24. Bb2 Qc7 25. c4 Nf4 26. Qf3 Nh5 27. Kg2 Qh7 28. Rxe6 Rxh2+ 29. Kg1 Rxg3+ 30. Qxg3 Nxg3 31. Re7+ Kc8 32. Rxh7 Rxh7 33. Kg2 Ne4 34. d3 Nd6 35. Re5 Kc7 36. Rxc5 Rh5 37. Be5 Kd7 38. Bxd6 Kxd6 39. Ra5 c5 40. Rxa7 Ke5 41. Rd7 Kf4 42. Rd5 Ke3 43. Rxc5 Rg5+ 44. Kf1 Rh5 45. Kg2 1-0

[Event "World U20-ch20"]
[Site "Mexico City"]
[Date "1981.08.20"]
[Round "3"]
[White "Rodriguez, Rogerio"]
[Black "Noble, Mark Frederick"]
[Result "0-1"]
[ECO "B56"]
[PlyCount "70"]
[EventDate "1981.08.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bb5 Bd7 7. Be3 e6 8. 0-0 Be7 9. f4 h5 10. h3 a6 11. Bd3 Qc7 12. Qe2 h4 13. Qf2 Nxd4 14. Bxd4 Bc6 15. Rad1 Nd7 16. b4 Bf6 17. Rfe1 Bxd4 18. Qxd4 Qb6 19. Be2 Ke7 20. Kf1 Qxd4 21. Rxd4 Nb6 22. Bg4 Rac8 23. Nd5+ Nxd5 24. exd5 Bd7 25. dxe6 fxe6 26. Bxe6 Bxe6 27. Rde4 Rh6 28. Kg1 Kf7 29. f5 Bxf5 30. Re7+ Kg8 31. Rxb7 Rxc2 32. Ree7 Rg6 33. Rb8+ Kh7 34. Ree8 Rgxg2+ 35. Kf1 Bd3+ 0-1

[Event "World U20-ch20"]
[Site "Mexico City"]
[Date "1981.08.19"]
[Round "2"]
[White "Cvitan, Ognjen"]
[Black "Rodriguez, Rogerio"]
[Result "1-0"]
[ECO "A75"]
[WhiteElo "2430"]
[PlyCount "69"]
[EventDate "1981.08.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 a6 8. a4 Bg4 9. Be2 Bg7 10. 0-0 0-0 11. Bf4 Bxf3 12. Bxf3 Qc7 13. Qc2 Nbd7 14. Be2 Rfe8 15. a5 Ne5 16. h3 Nfd7 17. Be3 f6 18. f4 Nf7 19. Bf2 Nh6 20. Bc4 Nf7 21. h4 Nf8 22. Be2 Nh6 23. g4 f5 24. exf5 gxf5 25. g5 Ng4 26. Bxg4 fxg4 27. Qf5 Qd7 28. Qxd7 Nxd7 29. Rae1 Kf7 30. Ne4 Bf8 31. Bg3 Rad8 32. Kg2 h5 33. f5 Nb8 34. Nf6 Be7 35. Nxe8 1-0

[Event "World U20-ch20"]
[Site "Mexico City"]
[Date "1981.08.18"]
[Round "1"]
[White "Rodriguez, Rogerio"]
[Black "Hjorth, Greg"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "2275"]
[PlyCount "66"]
[EventDate "1981.08.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e6 3. d4 d5 4. exd5 exd5 5. c3 Bd6 6. Bd3 Nge7 7. Qc2 Bg4 8. Be3 f5 9. Ng5 Qd7 10. f3 Bh5 11. Nd2 h6 12. Nh3 g5 13. 0-0-0 0-0-0 14. Rde1 f4 15. Bf2 Rdf8 16. Rhf1 Rhg8 17. Ng1 Nf5 18. h3 Bg6 19. Re2 Qh7 20. Re6 Nd8 21. Ree1 Re8 22. Qa4 Nc6 23. Bb5 Nfe7 24. Re6 Bf5 25. Re2 Qg6 26. Rfe1 a6 27. Rxe7 Bxe7 28. Bf1 Bd8 29. Rd1 Bd3 30. Bxd3 Qxd3 31. Nb3 Qb5 32. Qxb5 axb5 33. Kd2 Ne7 0-1

