[Event "WchT Students 22nd final B"]
[Site "Mexico City"]
[Date "1977.08.22"]
[Round "9"]
[White "Morris, Charles F"]
[Black "Perez, Arturo"]
[Result "1-0"]
[ECO "A22"]
[PlyCount "30"]
[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 "Wales"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "WLS"]
[BlackTeamCountry "ECU"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 0-0 5. a3 Bxc3 6. bxc3 d6 7. e4 Be6 8. d3 c5 9. f4 b5 10. f5 Bd7 11. cxb5 Bxb5 12. Ne2 Nbd7 13. 0-0 Rb8 14. c4 Bc6 15. Bd2 a5 1-0

[Event "WchT Students 22nd final B"]
[Site "Mexico City"]
[Date "1977.08.21"]
[Round "8"]
[White "Perez, Arturo"]
[Black "Silva, Jorge"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "26"]
[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 "Columbia"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. Nf3 Bg7 6. Bg5 0-0 7. e3 Qa5 8. Bd3 b5 9. cxb5 a6 10. 0-0 axb5 11. Bxb5 Ba6 12. Bxa6 Nxa6 13. Nd2 Rab8 1-0

[Event "WchT Students 22nd final B"]
[Site "Mexico City"]
[Date "1977.08.20"]
[Round "7"]
[White "Perez, Arturo"]
[Black "Lozano, Tomas R"]
[Result "0-1"]
[ECO "E64"]
[BlackElo "2230"]
[PlyCount "32"]
[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 "Honduras"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "HON"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 c5 6. d5 d6 7. Nc3 Na6 8. 0-0 Nc7 9. e4 Bg4 10. Qc2 Bxf3 11. Bxf3 Rb8 12. a4 b6 13. Rb1 Nd7 14. Bg2 a6 15. Be3 b5 16. b4 cxb4 0-1

[Event "WchT Students 22nd final B"]
[Site "Mexico City"]
[Date "1977.08.14"]
[Round "1"]
[White "Perez, Arturo"]
[Black "Palma, Javier"]
[Result "1-0"]
[ECO "E60"]
[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 "Ecuador"]
[BlackTeam "Panama"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "PAN"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nbd7 7. Qc2 e5 8. d5 Nb6 1-0

[Event "WchT Students 22nd Group2"]
[Site "Mexico City"]
[Date "1977.08.10"]
[Round "4"]
[White "Perez, Arturo"]
[Black "Sisniega, Marcel"]
[Result "1/2-1/2"]
[ECO "E63"]
[BlackElo "2345"]
[PlyCount "20"]
[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 "Mexico"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "MEX"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nc6 7. Nc3 a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5 1/2-1/2

[Event "WchT Students 22nd Group2"]
[Site "Mexico City"]
[Date "1977.08.09"]
[Round "3"]
[White "Perez, Arturo"]
[Black "Rodriguez Cespedes, Amador"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "57"]
[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 "Cuba"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "CUB"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 c5 6. d5 b5 7. cxb5 Qa5+ 8. Nfd2 Qxb5 9. Nc3 Qa5 10. 0-0 d6 11. Qc2 Ba6 12. b3 Nbd7 13. Bb2 Rab8 14. Rac1 Rfc8 15. Nc4 Bxc4 16. bxc4 Nb6 17. Ne4 Qxa2 18. Bxf6 Qxc2 19. Rxc2 Bxf6 20. Nxf6+ exf6 21. Ra1 Rc7 22. Ra6 Kf8 23. e3 Nc8 24. Bh3 Rb1+ 25. Kg2 Nb6 26. Kf3 f5 27. Ke2 Ke7 28. Bg2 Rb7 29. Bf3 0-1

[Event "WchT Students 21st final C"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "2.1"]
[White "Barria, Blas"]
[Black "Perez, Arturo"]
[Result "1/2-1/2"]
[ECO "B43"]
[PlyCount "37"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "ECU"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. g3 a6 7. Bg2 b5 8. 0-0 Bb7 9. Re1 d6 10. a4 b4 11. Nd5 Qb8 12. Nxc6 Bxc6 13. a5 Nf6 14. Nb6 Ra7 15. Bd2 Qb7 16. Nd5 Nxd5 17. exd5 Bxd5 18. Bxd5 Qxd5 19. Bxb4 1/2-1/2

[Event "WchT Students 21st Group1"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "4.5"]
[White "Henao, Raul Fernando"]
[Black "Perez, Arturo"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "2295"]
[PlyCount "47"]
[EventDate "1976.08.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "ECU"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Qf6 5. d3 h6 6. Be3 Bb6 7. a4 Nge7 8. Nbd2 0-0 9. Nc4 d6 10. a5 Bxe3 11. fxe3 Bg4 12. Qe1 Qe6 13. a6 b6 14. Nh4 Nb8 15. h3 Bh5 16. Nd2 c6 17. Bc4 d5 18. Bb3 Nd7 19. Nf5 Nf6 20. Qh4 Bg6 21. Nxh6+ gxh6 22. Rxf6 Qd7 23. Qxh6 Bh7 24. Nf3 1-0

[Event "WchT Students 21st final C"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "4.1"]
[White "Kuroda, Takayuki"]
[Black "Perez, Arturo"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "81"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "ECU"]

1. Nf3 d6 2. g3 g6 3. Bg2 Bg7 4. d3 Nf6 5. 0-0 0-0 6. e4 Nbd7 7. Re1 c6 8. Nbd2 Qc7 9. a4 e5 10. a5 Re8 11. d4 Nf8 12. h3 Ne6 13. dxe5 dxe5 14. c3 Nc5 15. Bf1 h6 16. Qc2 Be6 17. b4 Ncd7 18. c4 c5 19. b5 Nf8 20. Bb2 Bc8 21. Nb1 N6d7 22. Nc3 Ne6 23. Nd5 Qd8 24. Qd2 Nd4 25. Nh2 Nb3 26. Qe3 Nxa1 27. Rxa1 Nf6 28. Bg2 Nxd5 29. exd5 Qd6 30. Ba3 b6 31. Nf1 Bd7 32. Nd2 f5 33. Rf1 Rf8 34. a6 Rae8 35. Kh1 e4 36. Nb3 f4 37. gxf4 Qxf4 38. Qxf4 Rxf4 39. Nxc5 bxc5 40. Bxc5 Rc8 41. Be3 1/2-1/2

[Event "WchT Students 21st Group1"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "1.5"]
[White "Mubarak, Wadha"]
[Black "Perez, Arturo"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "69"]
[EventDate "1976.08.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Iraq"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "IRQ"]
[BlackTeamCountry "ECU"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 c6 8. Nf3 Bg4 9. Qc2 Nbd7 10. Ne5 h6 11. Bxf6 Nxf6 12. f3 Be6 13. 0-0 Nd7 14. f4 Nxe5 15. dxe5 f5 16. Kh1 Qd7 17. g4 h5 18. gxf5 Bxf5 19. Ne2 Bg4 20. f5 Rae8 21. e6 Qd6 22. Ng3 Qe5 23. Rae1 Bb4 24. Rc1 Qxe3 25. Be2 Bxe2 26. Nxe2 Qh3 27. Nd4 Qe3 28. f6 Rxe6 29. Nxe6 Qxe6 30. a3 Bd6 31. Rce1 Qh3 32. Qe2 gxf6 33. Rf3 Qh4 34. Qe6+ Kh8 35. Rh3 1-0

[Event "WchT Students 21st Group1"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "3.1"]
[White "Perez, Arturo"]
[Black "Hug, Werner"]
[Result "1/2-1/2"]
[ECO "E68"]
[BlackElo "2430"]
[PlyCount "35"]
[EventDate "1976.08.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "SUI"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nbd7 7. Qc2 e5 8. Rd1 Re8 9. Nc3 c6 10. e4 a5 11. h3 exd4 12. Nxd4 Nc5 13. Nb3 Nxb3 14. axb3 Qe7 15. Bf4 Rd8 16. Rd2 Nh5 17. Be3 f5 18. Bb6 1/2-1/2

[Event "WchT Students 21st final C"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "1.1"]
[White "Perez, Arturo"]
[Black "Lau, Carlos"]
[Result "1-0"]
[ECO "E61"]
[BlackElo "2265"]
[PlyCount "73"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Nicaragua"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "NCA"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. Bg5 Nbd7 6. e3 0-0 7. Be2 c6 8. 0-0 h6 9. Bh4 e5 10. Rc1 Qa5 11. Nd2 Re8 12. Rb1 c5 13. a3 exd4 14. exd4 a6 15. b4 Qc7 16. bxc5 dxc5 17. d5 Qe5 18. Rb3 Nh7 19. Nf3 Qc7 20. d6 Qa5 21. Nd5 g5 22. Nc7 Nhf6 23. Nxa8 gxh4 24. Nxh4 Ne5 25. Re3 Ned7 26. Rxe8+ Nxe8 27. Nf5 Qd8 28. Re1 Ndf6 29. Ne7+ Kh8 30. Nxc8 Qxc8 31. Nb6 Qd8 32. d7 Nc7 33. Bf3 Ne6 34. Bxb7 Qxb6 35. Rxe6 Qd8 36. Rxa6 Bf8 37. Rxf6 1-0

[Event "WchT Students 21st Group1"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "5.1"]
[White "Perez, Arturo"]
[Black "Romanishin, Oleg M"]
[Result "0-1"]
[ECO "E15"]
[BlackElo "2560"]
[PlyCount "110"]
[EventDate "1976.08.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Soviet Union"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "URS"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 Ba6 7. Ne5 c6 8. 0-0 Be7 9. Nc3 0-0 10. a3 Qc7 11. b4 Bb7 12. c5 bxc5 13. bxc5 Bxc5 14. dxc5 Qxe5 15. Na4 Ba6 16. Re1 d5 17. cxd6 Qxd6 18. Be3 Qxd1 19. Raxd1 Nfd7 20. Bxc6 Nxc6 21. Rxd7 Ne5 22. Ra7 Rxa7 23. Bxa7 Rc8 24. Nc5 Bc4 25. Nb7 Ra8 26. Bb6 a4 27. Bd4 Nc6 28. Bc3 e5 29. f3 f6 30. Kf2 Ne7 31. Nc5 Nd5 32. Bd2 Bb5 33. Rb1 Be8 34. e4 Ne7 35. Rb7 Nc6 36. Be3 h5 37. h4 Nd8 38. Rb4 Nf7 39. Ne6 Rc8 40. Nc5 Nd6 41. Ke1 Ra8 42. Kd2 Bc6 43. Kc3 Bb5 44. Rb1 Be2 45. f4 Rc8 46. Rb4 Bb5 47. Rb1 Nxe4+ 48. Kb4 Rb8 49. Ka5 Nd6 50. Rb4 Nc4+ 51. Rxc4 Bxc4 52. Kxa4 Rb2 53. fxe5 fxe5 54. Bg5 Kf7 55. Ne4 Ke6 0-1

[Event "WchT Students 21st final C"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "3.1"]
[White "Perez, Arturo"]
[Black "Wong, Sheldon MA"]
[Result "0-1"]
[ECO "E21"]
[PlyCount "77"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Jamaica"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "JAM"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Nc3 0-0 7. 0-0 Bxc3 8. bxc3 h6 9. Re1 c5 10. Qc2 Be4 11. Qb3 Nc6 12. Ba3 Na5 13. Qa4 Bc6 14. Qd1 Nxc4 15. Bc1 d5 16. Nd2 Nd6 17. f3 cxd4 18. cxd4 Nf5 19. Nb3 Ba4 20. Qd3 a6 21. Bb2 Bb5 22. Qd2 Nd6 23. Bc1 Nc4 24. Qd1 Qd7 25. g4 a5 26. Bf4 g5 27. Bg3 Rac8 28. h4 Nh7 29. Kf2 f5 30. Be5 fxg4 31. Qb1 Nxe5 32. dxe5 Qg7 33. Nd4 Bd7 34. hxg5 Nxg5 35. Rh1 Rc4 36. e3 Ne4+ 37. Kg1 gxf3 38. Rh2 f2+ 39. Kf1 0-1

