[Event "Cali op-A"]
[Site "Cali"]
[Date "2002.12.21"]
[Round "5"]
[White "Ortiz, Nadya Karolina"]
[Black "Hidalgo, Jaime"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2159"]
[BlackElo "2182"]
[PlyCount "20"]
[EventDate "2002.11.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Bc4 d6 5. Nf3 e6 6. 0-0 Nge7 7. d3 Bg7 8. Qe1 0-0 9. Bb3 d5 10. f5 c4 1-0

[Event "Cali op-A"]
[Site "Cali"]
[Date "2002.12.20"]
[Round "1"]
[White "Gamboa, Nelson"]
[Black "Hidalgo, Jaime"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2363"]
[BlackElo "2182"]
[PlyCount "43"]
[EventDate "2002.11.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. 0-0 Nxb5 7. Nxb5 a6 8. Nc3 d6 9. d3 Nf6 10. Qe1 b5 11. e5 dxe5 12. fxe5 Ng4 13. Qe4 Bf5 14. Qc6+ Kf8 15. Bf4 Rc8 16. Qxa6 Nxe5 17. Nxe5 Qd4+ 18. Kh1 Bxe5 19. Bh6+ Kg8 20. Rxf5 Rd8 21. Rf3 b4 22. Ne4 1-0

[Event "Quito Gran Prix op"]
[Site "Quito"]
[Date "1997.??.??"]
[Round "3"]
[White "Arrata, Pedro"]
[Black "Hidalgo, Jaime"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2215"]
[BlackElo "2300"]
[PlyCount "46"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Bd3 d6 6. c4 Nbd7 7. Nc3 Re8 8. e4 e5 9. dxe5 dxe5 10. Bg3 c6 11. 0-0 Qc7 12. Qb3 Nh5 13. Bh4 Nf4 14. Bc2 Nc5 15. Qa3 Bf8 16. b4 Nce6 17. Rad1 a5 18. Rb1 Nd4 19. Nxd4 exd4 20. Nd1 Be6 21. Qb3 axb4 22. Nb2 Ra3 23. Qxa3 bxa3 0-1

[Event "Quito Gran Prix op"]
[Site "Quito"]
[Date "1997.??.??"]
[Round "5"]
[White "Benitez Chiriboga, Jaime"]
[Black "Hidalgo, Jaime"]
[Result "1/2-1/2"]
[ECO "B06"]
[BlackElo "2300"]
[PlyCount "51"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nc6 5. Be2 Bg4 6. Be3 e5 7. d5 Nce7 8. Bb5+ c6 9. dxc6 bxc6 10. Ba4 Nf6 11. h3 Be6 12. Ng5 Bc4 13. Bb3 Bxb3 14. axb3 h6 15. Nf3 Qc7 16. 0-0 d5 17. exd5 cxd5 18. Bxa7 0-0 19. Nb5 Qc6 20. Qe2 Ne4 21. Ra5 f5 22. Rfa1 g5 23. Ra6 Qd7 24. Nc3 Rac8 25. Nxe4 fxe4 26. Nh2 1/2-1/2

[Event "Quito Gran Prix op"]
[Site "Quito"]
[Date "1997.??.??"]
[Round "7"]
[White "Correa Jaramillo, Jaime"]
[Black "Hidalgo, Jaime"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2250"]
[BlackElo "2300"]
[PlyCount "62"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. Nc3 Bg7 4. Be3 Nf6 5. h3 0-0 6. Qd2 d5 7. exd5 cxd5 8. Nf3 Nc6 9. Be2 Ne4 10. Qc1 Qa5 11. Bd2 Nxd2 12. Qxd2 Be6 13. Nb5 Qxd2+ 14. Kxd2 Rfc8 15. c3 a6 16. Na3 b5 17. Nc2 Rab8 18. Nfe1 Bh6+ 19. Ne3 b4 20. N1c2 a5 21. Rhb1 Bf5 22. Bd3 Be6 23. a3 f6 24. axb4 axb4 25. h4 Bf7 26. Re1 e5 27. Kd1 b3 28. Nb4 Nxb4 29. cxb4 Rxb4 30. dxe5 fxe5 31. h5 e4 0-1

[Event "Quito Gran Prix op"]
[Site "Quito"]
[Date "1997.??.??"]
[Round "1"]
[White "Cueva, D."]
[Black "Hidalgo, Jaime"]
[Result "0-1"]
[ECO "A41"]
[BlackElo "2300"]
[PlyCount "86"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. Nc3 Nc6 5. a3 Bg4 6. d5 Nb8 7. e4 Nf6 8. h3 Bxf3 9. Qxf3 0-0 10. Bd3 Nbd7 11. Bf4 Nc5 12. Qd1 c6 13. b4 Nxd3+ 14. Qxd3 Nxe4 15. Nxe4 Bxa1 16. 0-0 Bg7 17. Qd2 cxd5 18. Qxd5 a5 19. b5 Rc8 20. a4 b6 21. Rc1 Rc7 22. Be3 Qb8 23. Qg5 Rfc8 24. Nd2 Qb7 25. Re1 Bf6 26. Qd5 Qxd5 27. cxd5 Rc1 28. Rxc1 Rxc1+ 29. Kh2 Ra1 30. Bxb6 Rxa4 31. Be3 Rb4 32. b6 a4 33. Nf3 a3 34. Ne1 a2 35. Nc2 Rb2 36. Na1 Rxb6 37. Nc2 Rb5 38. g4 Rb2 39. Na1 Rxf2+ 40. Bxf2 Bxa1 41. Bh4 Bd4 42. Bxe7 a1Q 43. Bxd6 Qg1# 0-1

[Event "Quito Gran Prix op"]
[Site "Quito"]
[Date "1997.??.??"]
[Round "2"]
[White "Hidalgo, Jaime"]
[Black "Aldaz, V."]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2300"]
[PlyCount "49"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bc5 5. e3 0-0 6. Nge2 g6 7. 0-0 Ng4 8. h3 Nf6 9. d4 exd4 10. exd4 Bb6 11. Bg5 Re8 12. Nd5 h6 13. Bxf6 Ne7 14. Nef4 d6 15. Nxe7+ Rxe7 16. Nd5 c5 17. Bxe7 Qd7 18. Nf6+ Kg7 19. Nxd7 Bxd7 20. dxc5 Bxc5 21. b4 Bxb4 22. Qd4+ f6 23. Qxf6+ Kh7 24. Qf7+ Kh8 25. Bf6# 1-0

[Event "Quito Gran Prix op"]
[Site "Quito"]
[Date "1997.??.??"]
[Round "8"]
[White "Hidalgo, Jaime"]
[Black "Delgado Kuffo, Andres"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2300"]
[PlyCount "30"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. c4 d5 3. exd5 exd5 4. cxd5 Nf6 5. Bb5+ Nbd7 6. Qe2+ Qe7 7. Nc3 a6 8. Bxd7+ Bxd7 9. d4 Bb5 10. Qxe7+ Bxe7 11. Bg5 Bc4 12. Nf3 Nxd5 13. Ne5 Bxg5 14. Nxc4 0-0-0 15. 0-0 Bf6 1/2-1/2

[Event "Quito Gran Prix op"]
[Site "Quito"]
[Date "1997.??.??"]
[Round "4"]
[White "Hidalgo, Jaime"]
[Black "Galarza, Polo"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2300"]
[BlackElo "2265"]
[PlyCount "24"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. c4 Nf6 3. Nc3 g6 4. d4 Bg7 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6 11. h3 exd4 12. Nxd4 f5 1/2-1/2

[Event "Quito Gran Prix op"]
[Site "Quito"]
[Date "1997.??.??"]
[Round "6"]
[White "Hidalgo, Jaime"]
[Black "Ramon, E."]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2300"]
[PlyCount "34"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. Nf3 e6 6. Ne4 d6 7. d3 d5 8. Ned2 Nge7 9. 0-0 0-0 10. Rb1 b6 11. a3 Bb7 12. b4 cxb4 13. axb4 dxc4 14. dxc4 Qc7 15. Ba3 Rfd8 16. Qc2 Rac8 17. Rfd1 Nf5 1/2-1/2

[Event "Quito Gran Prix op"]
[Site "Quito"]
[Date "1997.??.??"]
[Round "9"]
[White "Moscoso Sanchez, Fernando"]
[Black "Hidalgo, Jaime"]
[Result "1/2-1/2"]
[ECO "A70"]
[BlackElo "2300"]
[PlyCount "25"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bb5+ Nfd7 9. a4 0-0 10. 0-0 a6 11. Bd3 Ne5 12. Nxe5 Bxe5 13. Be3 1/2-1/2

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.09.06"]
[Round "9"]
[White "Hidalgo, Jaime"]
[Black "Cameron, Mark"]
[Result "1/2-1/2"]
[ECO "E01"]
[PlyCount "89"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Jamaica"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "JAM"]

1. Nf3 Nf6 2. c4 e6 3. g3 c5 4. Bg2 Nc6 5. 0-0 d5 6. cxd5 Nxd5 7. d4 cxd4 8. Nxd4 Be7 9. Nxc6 bxc6 10. Qa4 Bd7 11. Rd1 0-0 12. Nc3 Qc7 13. Qc4 Rac8 14. e4 Nb6 15. Qe2 e5 16. Be3 Be6 17. b3 Rfd8 18. Qc2 f6 19. Rxd8+ Qxd8 20. Rd1 Qc7 21. Rc1 Qb7 22. h4 c5 23. Rd1 c4 24. Nd5 Bg4 25. f3 Be6 26. Nxe7+ Qxe7 27. Bxb6 axb6 28. bxc4 Rxc4 29. Qf2 Qc5 30. Rd2 Ra4 31. Qxc5 bxc5 32. Rc2 Ra5 33. a3 Bb3 34. Rc3 c4 35. Bf1 Ra4 36. Kf2 Kf7 37. Ke3 Ke6 38. Be2 Kd6 39. Bf1 Kc5 40. Be2 Ra7 41. Bf1 Rd7 42. Be2 Rd4 43. g4 Kb6 44. Rc1 Ka5 45. g5 1/2-1/2

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.09.04"]
[Round "8"]
[White "Anguiano, Rolando"]
[Black "Hidalgo, Jaime"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2260"]
[PlyCount "93"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Mexico II"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "ECU"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 a6 10. Nc3 Be7 11. Bd3 f5 12. Qa4+ Bd7 13. Qb3 Qc7 14. Be3 0-0 15. Bb6 Qc8 16. c5 e4 17. Be2 Kh8 18. cxd6 Bxd6 19. Rc1 Qe8 20. 0-0 Qe5 21. g3 f4 22. Rfe1 Bf5 23. Nxe4 Bxe4 24. Bf3 fxg3 25. hxg3 Qxd5 26. Qxd5 Bxd5 27. Bxd5 Nd7 28. Bd4 Bb4 29. Re6 Rab8 30. Rc7 Nf6 31. Bxf6 Rxf6 32. Rxf6 gxf6 33. Bxb7 a5 34. Be4 Re8 35. Rxh7+ Kg8 36. Rh4 Rd8 37. a3 Rd1+ 38. Kg2 Bd6 39. b4 Ra1 40. Bd5+ Kg7 41. Rg4+ Kh7 42. b5 Rxa3 43. b6 f5 44. Rd4 Be5 45. b7 Ra1 46. Be6 Kg6 47. Rd5 1-0

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.09.03"]
[Round "7"]
[White "Hidalgo, Jaime"]
[Black "Perez, Marco Tulio"]
[Result "1/2-1/2"]
[ECO "A14"]
[PlyCount "96"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Dominican Republic"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "DOM"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. b3 b6 7. Bb2 Bb7 8. Ne5 Na6 9. d4 c5 10. e3 Qc8 11. Nd2 dxc4 12. Ndxc4 Bxg2 13. Kxg2 cxd4 14. Bxd4 Nb4 15. Qf3 Bc5 16. Bxc5 Qxc5 17. a3 Na6 18. Rfd1 b5 19. Nd3 Qd5 20. Qxd5 Nxd5 21. Nd6 Rab8 22. Rac1 Rb6 23. Nc8 Rb7 24. e4 Ne7 25. Nxe7+ Rxe7 26. Rc6 Nb8 27. Rc5 Rb7 28. Rdc1 a6 29. Rc7 Rb6 30. Ne5 f6 31. Nd7 Nxd7 32. Rxd7 Kh8 33. Rcc7 Rg8 34. h4 h5 35. Rc5 e5 36. Rcc7 Kh7 37. Kf3 Kh6 38. Ke3 g5 39. Rh7+ Kg6 40. g4 gxh4 41. gxh5+ Kg5 42. Rc1 h3 43. h6 Rg6 44. Rh1 Rc6 45. Kd3 Kh4 46. Rg7 Rxg7 47. hxg7 Rc8 48. Rg1 Rg8 1/2-1/2

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.09.02"]
[Round "6"]
[White "Wietor, Henri"]
[Black "Hidalgo, Jaime"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "55"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Luxembourg"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "LUX"]
[BlackTeamCountry "ECU"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Be3 Nf6 6. Qd2 cxd4 7. Nxd4 Nc6 8. f3 0-0 9. 0-0-0 d6 10. Kb1 Bd7 11. h4 Rfc8 12. Nb3 Qd8 13. g4 Ne5 14. Be2 Be6 15. Bh6 Qf8 16. Bxg7 Qxg7 17. h5 Bc4 18. hxg6 fxg6 19. Nd4 h5 20. gxh5 Nxh5 21. f4 Bxe2 22. Ncxe2 Nc4 23. Qd3 Rab8 24. Rxh5 gxh5 25. Ng3 Qf7 26. Ngf5 Kf8 27. Nh6 Qxf4 28. Ne6+ 1-0

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.08.31"]
[Round "5"]
[White "Hidalgo, Jaime"]
[Black "Vazquez Ramos, Samuel"]
[Result "1-0"]
[ECO "A24"]
[PlyCount "83"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Puerto Rico"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "PUR"]

1. Nf3 d6 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nf6 5. c4 0-0 6. Nc3 e5 7. d3 c6 8. Rb1 a5 9. a3 Re8 10. Qc2 Na6 11. b4 axb4 12. axb4 Nc7 13. b5 cxb5 14. Nxb5 d5 15. cxd5 Nfxd5 16. Ng5 Na6 17. Qc4 Be6 18. Nxe6 fxe6 19. Ba3 Rc8 20. Qb3 Rc6 21. Rfc1 Qd7 22. Bxd5 Qxd5 23. Qxd5 exd5 24. Nd6 Rxc1+ 25. Bxc1 Rd8 26. Nxb7 Rb8 27. Ba3 Bf8 28. Bxf8 Kxf8 29. Ra1 Rxb7 30. Rxa6 Ke7 31. h4 Rd7 32. h5 Kf7 33. hxg6+ hxg6 34. Kg2 Kg7 35. Re6 Kf7 36. Rxe5 Kf6 37. f4 Rd6 38. Kf3 Rd7 39. Ke3 d4+ 40. Ke4 Rd6 41. Rd5 Re6+ 42. Kf3 1-0

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.08.28"]
[Round "3"]
[White "Fonseca, Jose Luis"]
[Black "Hidalgo, Jaime"]
[Result "0-1"]
[ECO "B27"]
[PlyCount "70"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Nicaragua"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "ECU"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Be3 Nf6 6. h3 Nxe4 7. Qd3 Nxc3 8. bxc3 Nc6 9. Be2 cxd4 10. Nxd4 Nxd4 11. Bxd4 e5 12. Be3 0-0 13. 0-0 d5 14. Rad1 Be6 15. f3 Rac8 16. Bd2 Qc5+ 17. Kh1 Bf5 18. Qe3 Qxe3 19. Bxe3 Rxc3 20. Bxa7 Rxc2 21. Bd3 Bxd3 22. Rxd3 Rxa2 23. Bc5 Rc8 24. Bg1 d4 25. Rb1 Rcc2 26. g4 Rc3 27. Rxc3 dxc3 28. Rxb7 Bh6 29. Rb8+ Kg7 30. Bc5 Bd2 31. Bf8+ Kf6 32. h4 Ke6 33. Re8+ Kd7 34. Rxe5 c2 35. Rd5+ Ke8 0-1

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.08.27"]
[Round "2"]
[White "Hidalgo, Jaime"]
[Black "Shabu, Abdu Matrife"]
[Result "1-0"]
[ECO "A34"]
[PlyCount "33"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Libya"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "LBY"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. e3 e6 5. Be2 a6 6. 0-0 Be7 7. d4 cxd4 8. Nxd4 Qc7 9. b3 d6 10. Bb2 Bd7 11. Rc1 Rd8 12. e4 Nxd4 13. Qxd4 e5 14. Qd2 0-0 15. Rfd1 Bc6 16. Nd5 Bxd5 17. exd5 1-0

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.08.26"]
[Round "1"]
[White "Morales, Julio Cesar"]
[Black "Hidalgo, Jaime"]
[Result "1/2-1/2"]
[ECO "A04"]
[PlyCount "88"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "El Salvador"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "ESA"]
[BlackTeamCountry "ECU"]

1. e4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 d6 6. c3 e5 7. d3 Nge7 8. Be3 0-0 9. Qd2 b6 10. a4 d5 11. exd5 Nxd5 12. Bh6 f6 13. Bxg7 Kxg7 14. Na3 Be6 15. Rfe1 Qd7 16. d4 cxd4 17. cxd4 exd4 18. Nxd4 Nxd4 19. Qxd4 Rad8 20. Rad1 Nc7 21. Qxd7+ Rxd7 22. Rxd7+ Bxd7 23. Rc1 Na6 24. Nb5 Bxb5 25. axb5 Nc5 26. Re1 Rf7 27. Bc6 Rc7 28. Re3 Na4 29. b3 Nc5 30. Kf1 Kf7 31. Bd5+ Kf8 32. Rf3 Ke7 33. Ke2 Kd6 34. Bc4 Re7+ 35. Re3 Rxe3+ 36. Kxe3 Nd7 37. Kd4 Ne5 38. Be2 h6 39. f4 Nd7 40. b4 Nf8 41. Bc4 Nd7 42. Bf7 Nf8 43. Bd5 Nd7 44. Bc6 Nf8 1/2-1/2

[Event "WchT U26 01 prel-2"]
[Site "Mexico City"]
[Date "1978.08.24"]
[Round "3"]
[White "Hidalgo, Jaime"]
[Black "Haensel, Jean Marie"]
[Result "1-0"]
[ECO "A34"]
[PlyCount "105"]
[EventDate "1978.08.21"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Luxembourg"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "LUX"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nxc3 6. bxc3 c5 7. Bg2 Bg7 8. Qc2 Nc6 9. d3 0-0 10. 0-0 Nb4 11. Qd2 Nd5 12. Bb2 f5 13. c4 Nf6 14. Rfd1 Re8 15. Ne5 Ng4 16. Nxg4 fxg4 17. Bxg7 Kxg7 18. Bxb7 Bxb7 19. Qb2+ Qd4 20. Qxb7 Rf8 21. Qxe7+ Rf7 22. Qe3 Qxe3 23. fxe3 Rb8 24. Rab1 Rfb7 25. Rxb7+ Rxb7 26. d4 Rd7 27. Rd3 Rc7 28. Ra3 cxd4 29. exd4 Rxc4 30. Rxa7+ Kf6 31. Ra6+ Kf5 32. d5 Rd4 33. d6 Ke6 34. Kf2 Kd7 35. Ke3 Rd5 36. Kf4 h5 37. e4 g5+ 38. Ke3 Rd1 39. Ra5 Re1+ 40. Kd4 Kxd6 41. Rxg5 Re2 42. Rxh5 Rxa2 43. Rh6+ Ke7 44. Ke5 Kf7 45. Kf5 Kg7 46. Rh4 Ra5+ 47. e5 Kf7 48. Rxg4 Ra2 49. h4 Rf2+ 50. Rf4 Rg2 51. g4 Re2 52. h5 Kg7 53. Re4 1-0

[Event "WchT U26 01 prel-2"]
[Site "Mexico City"]
[Date "1978.08.22"]
[Round "2"]
[White "Vilela de Acuna, Jose Luis"]
[Black "Hidalgo, Jaime"]
[Result "1-0"]
[ECO "E95"]
[WhiteElo "2435"]
[PlyCount "74"]
[EventDate "1978.08.21"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Cuba"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "ECU"]

1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 Nf6 5. Be2 Nbd7 6. Nf3 e5 7. 0-0 0-0 8. Re1 c6 9. Bf1 Re8 10. d5 Qc7 11. h3 Nf8 12. Be3 c5 13. Nd2 Nh5 14. b4 b6 15. bxc5 bxc5 16. Rb1 f5 17. exf5 Bxf5 18. Nde4 a6 19. Qa4 Nf6 20. Bd3 Nxe4 21. Nxe4 Bxe4 22. Bxe4 Nd7 23. Qc6 Ra7 24. Qxc7 Rxc7 25. f3 Kf7 26. Rb3 Rb8 27. Rxb8 Nxb8 28. Rb1 Nd7 29. g4 Bf6 30. Kg2 Bd8 31. g5 Ra7 32. Bd2 Ke7 33. h4 Bc7 34. Kg3 Ra8 35. h5 Nf8 36. hxg6 hxg6 37. Bc3 Rc8 1-0

[Event "WchT U26 01 prel-2"]
[Site "Mexico City"]
[Date "1978.08.21"]
[Round "1"]
[White "Kaminker, Harry"]
[Black "Hidalgo, Jaime"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "121"]
[EventDate "1978.08.21"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "ECU"]

1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 Rb8 6. f4 b5 7. a3 Nd4 8. Nd5 d6 9. Ne3 e5 10. fxe5 dxe5 11. c3 Ne6 12. Nh3 Ne7 13. 0-0 0-0 14. Nf2 h5 15. a4 b4 16. Qc2 Bb7 17. Nc4 Ba6 18. Be3 Nc6 19. Bh3 Qe7 20. Rfe1 Rfe8 21. Nd1 bxc3 22. bxc3 Bxc4 23. dxc4 Na5 24. Bf1 Qb7 25. Bf2 Qb3 26. Qxb3 Rxb3 27. Bd3 Rd8 28. Bc2 Rbb8 29. Ne3 Bh6 30. Nd5 Rb2 31. Bd3 Ng5 32. Kg2 Nh3 33. Re2 Rxe2 34. Bxe2 Nxf2 35. Kxf2 Rb8 36. Nf6+ Kh8 37. Nd7 Re8 38. Rb1 Bd2 39. Nf6 Re6 40. Nd5 Nc6 41. Bf1 Ne7 42. Ke2 Bh6 43. Bh3 f5 44. Rb8+ Kg7 45. Rb7 Kf8 46. Rxa7 Nxd5 47. cxd5 Rb6 48. exf5 Rb2+ 49. Kf3 Rxh2 50. Ra8+ Ke7 51. f6+ Kxf6 52. d6 Bg5 53. d7 Kf7 54. Bf1 Rd2 55. Bc4+ Ke7 56. Bb5 Bf6 57. a5 Kf7 58. a6 Kg7 59. a7 Ra2 60. Bc4 Ra3 61. Rg8+ 1-0

[Event "WchT Students 22nd final B"]
[Site "Mexico City"]
[Date "1977.08.20"]
[Round "7"]
[White "Aguilar, Pompeyo"]
[Black "Hidalgo, Jaime"]
[Result "0-1"]
[ECO "E38"]
[PlyCount "38"]
[EventDate "1977.08.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Honduras"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "HON"]
[BlackTeamCountry "ECU"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 c5 6. Bd3 Nc6 7. 0-0 d6 8. Qc2 Bxc3 9. Qxc3 Qc7 10. dxc5 dxc5 11. b3 e5 12. Bb2 Re8 13. Nd2 b6 14. Ne4 Nxe4 15. Bxe4 Bb7 16. f4 Nd4 17. Bd3 Nc6 18. Rf2 f6 19. f5 e4 0-1

[Event "WchT Students 22nd final B"]
[Site "Mexico City"]
[Date "1977.08.19"]
[Round "6"]
[White "Hidalgo, Jaime"]
[Black "Vaglio Munoz, Jaime"]
[Result "1-0"]
[ECO "B47"]
[PlyCount "65"]
[EventDate "1977.08.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "CRI"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. g3 a6 7. Bg2 Nf6 8. 0-0 Nxd4 9. Qxd4 Bc5 10. Qd3 d6 11. Na4 Ba7 12. c4 Bd7 13. Nc3 Rc8 14. Bf4 e5 15. Bg5 Be6 16. Nd5 Qxc4 17. Qxc4 Rxc4 18. Nxf6+ gxf6 19. Bxf6 Rg8 20. Rac1 Rxc1 21. Rxc1 Kd7 22. b3 b5 23. Kf1 Rc8 24. Rxc8 Kxc8 25. f4 Bd4 26. f5 Bd7 27. Bf3 a5 28. g4 a4 29. g5 axb3 30. axb3 b4 31. h4 Be3 32. h5 Be8 33. h6 1-0

[Event "WchT Students 22nd final B"]
[Site "Mexico City"]
[Date "1977.08.14"]
[Round "1"]
[White "Gardellini, Alberto"]
[Black "Hidalgo, Jaime"]
[Result "0-1"]
[ECO "B39"]
[PlyCount "16"]
[EventDate "1977.08.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "ECU"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. c4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 0-1

[Event "WchT Students 22nd Group2"]
[Site "Mexico City"]
[Date "1977.08.10"]
[Round "4"]
[White "Villarreal, Jose Felix"]
[Black "Hidalgo, Jaime"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "34"]
[EventDate "1977.08.07"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "ECU"]

1. e4 c5 2. Nc3 g6 3. f4 Nc6 4. Nf3 Bg7 5. Bc4 d6 6. 0-0 e6 7. f5 exf5 8. d3 Nge7 9. Qe1 Ne5 10. Bb3 h6 11. Kh1 0-0 12. Qg3 Be6 13. Bf4 Bxb3 14. axb3 g5 15. Bxe5 dxe5 16. Qf2 fxe4 17. dxe4 Qc7 1/2-1/2

[Event "WchT Students 22nd Group2"]
[Site "Mexico City"]
[Date "1977.08.08"]
[Round "2"]
[White "Hidalgo, Jaime"]
[Black "Barraza, Samayoa"]
[Result "1-0"]
[ECO "B88"]
[PlyCount "35"]
[EventDate "1977.08.07"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Guatemala"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "GUA"]

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 0-0 10. 0-0 Qc7 11. Qf3 Na5 12. Qg3 Nxb3 13. cxb3 b5 14. e5 Nd7 15. Nd5 Qd8 16. Nc6 Bh4 17. Qh3 Qe8 18. Nc7 1-0

[Event "WchT Students 22nd Group2"]
[Site "Mexico City"]
[Date "1977.08.07"]
[Round "1"]
[White "Hidalgo, Jaime"]
[Black "Jimenez Molina, Juan Leon"]
[Result "0-1"]
[ECO "B85"]
[BlackElo "2230"]
[PlyCount "62"]
[EventDate "1977.08.07"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "CRI"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. a4 Be7 8. Be3 Qc7 9. 0-0 0-0 10. f4 Nc6 11. Qe1 Nb4 12. Bd3 Ng4 13. Kh1 Nxe3 14. Qxe3 Qc5 15. Rae1 Nxd3 16. cxd3 Bd7 17. f5 Bf6 18. Nc2 Bxc3 19. bxc3 Qxe3 20. Nxe3 Bxa4 21. Nc4 Rad8 22. Nb6 Bc6 23. d4 d5 24. exd5 exd5 25. f6 Rfe8 26. Rxe8+ Rxe8 27. c4 dxc4 28. d5 Bb5 29. d6 Rd8 30. Nd5 gxf6 31. Rxf6 Kg7 0-1

