[Event "BRA-ch U20 1st"]
[Site "Volta Redonda"]
[Date "1973.12.??"]
[Round "4"]
[White "Caricio, Stuart"]
[Black "Cunha Neto, Euclydes da"]
[Result "1-0"]
[ECO "C92"]
[PlyCount "67"]
[EventDate "1973.12.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. 0-0 Be7 7. c3 0-0 8. Re1 d6 9. h3 Be6 10. d4 Bxb3 11. Qxb3 Qd7 12. Nbd2 Rfe8 13. Nf1 h6 14. Ng3 Bf8 15. Bd2 Na5 16. Qc2 Nc4 17. Bc1 g6 18. b3 Nb6 19. Bd2 c6 20. Rad1 Qe6 21. Qc1 Kh7 22. Nf1 Bg7 23. Be3 Nfd7 24. N1h2 a5 25. Ng4 a4 26. Bxh6 f6 27. Bxg7 Kxg7 28. Qh6+ Kf7 29. Qh7+ Kf8 30. Nh4 Reb8 31. Nxg6+ Ke8 32. dxe5 axb3 33. Rxd6 Qf7 34. Qh8+ 1-0

[Event "BRA-ch U20 1st"]
[Site "Volta Redonda"]
[Date "1973.12.??"]
[Round "7"]
[White "Cunha Neto, Euclydes da"]
[Black "Chaves, Jaime Augusto"]
[Result "0-1"]
[ECO "B09"]
[PlyCount "70"]
[EventDate "1973.12.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Be2 c5 7. dxc5 Qa5 8. 0-0 Qxc5+ 9. Kh1 Nc6 10. Qe1 Bd7 11. Bd3 Nb4 12. Be3 Nxd3 13. cxd3 Qh5 14. Qh4 Qxh4 15. Nxh4 Rfc8 16. h3 b5 17. Rfc1 b4 18. Ne2 Bb5 19. Rxc8+ Rxc8 20. Rc1 Rxc1+ 21. Nxc1 Nd7 22. d4 Nb6 23. b3 Bc6 24. d5 Bb5 25. Kg1 e6 26. dxe6 fxe6 27. Kf2 Bb2 28. Ne2 Bd3 29. e5 dxe5 30. fxe5 Bxe5 31. Nc1 Bb1 32. Nf3 Bd6 33. Nd4 Nd5 34. Nb5 Be7 35. Nxa7 Nxe3 0-1

[Event "BRA-ch U20 1st"]
[Site "Volta Redonda"]
[Date "1973.12.??"]
[Round "6"]
[White "Cunha Neto, Euclydes da"]
[Black "De Castro, Alexandre"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "28"]
[EventDate "1973.12.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[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. Be2 e6 7. Be3 Nc6 8. 0-0 Be7 9. Nb3 b5 10. a3 Bb7 11. f4 Rc8 12. Qe1 Na5 13. Nxa5 Qxa5 14. Bf3 Qc7 1/2-1/2

[Event "BRA-ch U20 1st"]
[Site "Volta Redonda"]
[Date "1973.12.??"]
[Round "2"]
[White "Cunha Neto, Euclydes da"]
[Black "Feliciano, Nilo"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "56"]
[EventDate "1973.12.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[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. Be2 Bg7 7. Be3 a6 8. 0-0 Nbd7 9. Nb3 b5 10. a3 Bb7 11. Bd3 Qc7 12. f4 e6 13. g4 h5 14. g5 Ng4 15. Bd2 Qb6+ 16. Kg2 f5 17. Qe2 0-0-0 18. h3 d5 19. hxg4 dxe4 20. Nxe4 hxg4 21. Bc3 Bxc3 22. bxc3 Nc5 23. Qe3 Nxd3 24. Qxb6 Bxe4+ 25. Rf3 Bxf3+ 26. Kf1 Rh1+ 27. Qg1 Rxg1+ 28. Kxg1 Nxf4 0-1

[Event "BRA-ch U20 1st"]
[Site "Volta Redonda"]
[Date "1973.12.??"]
[Round "3"]
[White "Cunha Neto, Euclydes da"]
[Black "Quadros, Gilvan"]
[Result "0-1"]
[ECO "B05"]
[PlyCount "68"]
[EventDate "1973.12.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Nc6 7. c4 Nb6 8. exd6 cxd6 9. Nc3 Bxf3 10. Bxf3 Nxc4 11. Bxc6+ bxc6 12. Qa4 Nb6 13. Qxc6+ Qd7 14. Qxd7+ Kxd7 15. Bf4 d5 16. Rac1 a6 17. b3 Rc8 18. Ne2 Ba3 19. Rxc8 Rxc8 20. Bc1 Bd6 21. Be3 Rc2 22. Nc1 Ba3 23. Bf4 Nc8 24. Nd3 Rxa2 25. Nc5+ Bxc5 26. dxc5 Kc6 27. Be3 e5 28. f4 e4 29. Bd4 f6 30. g4 Rd2 31. Bc3 Rd3 32. Rc1 d4 33. Bb2 Rd2 34. Ba1 e3 0-1

[Event "BRA-ch U20 1st"]
[Site "Volta Redonda"]
[Date "1973.12.??"]
[Round "1"]
[White "Dias, Marco Antonio"]
[Black "Cunha Neto, Euclydes da"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "109"]
[EventDate "1973.12.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. h3 Na5 9. d3 Nxb3 10. axb3 0-0 11. Nc3 Re8 12. Nxb5 Rb8 13. Nc3 Bf8 14. d4 Bb7 15. dxe5 dxe5 16. Qxd8 Rbxd8 17. Bg5 Bc5 18. Nd5 Bxd5 19. exd5 Rd6 20. Nxe5 Nxd5 21. Nd3 Rxe1+ 22. Rxe1 f6 23. Nxc5 fxg5 24. Rd1 Nb4 25. Rxd6 cxd6 26. Ne4 Nxc2 27. Nxd6 Nb4 28. Kf1 Nd3 29. Ke2 Nc1+ 30. Kd2 Nxb3+ 31. Kc3 Nc1 32. Ne4 h6 33. b4 Ne2+ 34. Kc4 Nf4 35. Nc5 Nxg2 36. Nxa6 Nf4 37. b5 Ne6 38. Kd5 Kf7 39. Kd6 Nd8 40. Kc7 Ke7 41. Nc5 g4 42. hxg4 g6 43. b6 h5 44. gxh5 gxh5 45. Ne4 h4 46. Ng5 Ke8 47. f4 Ke7 48. f5 Ke8 49. f6 h3 50. f7+ Ke7 51. Nxh3 Ne6+ 52. Kc8 Nc5 53. Ng5 Kf8 54. b7 Nxb7 55. Kxb7 1-0

[Event "BRA-ch U20 1st"]
[Site "Volta Redonda"]
[Date "1973.12.??"]
[Round "5"]
[White "Maracaba, Francisco Wladimir"]
[Black "Cunha Neto, Euclydes da"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "61"]
[EventDate "1973.12.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 c5 7. d5 h6 8. 0-0 Bg4 9. Be3 Nbd7 10. h3 Bxf3 11. Bxf3 a6 12. Be2 Rb8 13. a4 Ne8 14. Qd2 h5 15. f4 Nc7 16. Rf3 Kh7 17. g4 hxg4 18. hxg4 Rh8 19. Rh3+ Kg8 20. Rxh8+ Bxh8 21. Kg2 Bxc3 22. bxc3 f6 23. f5 Qe8 24. Rh1 Ne5 25. Bf4 Qf8 26. Bxe5 dxe5 27. fxg6 Qg7 28. Rh6 b5 29. Qe3 bxa4 30. Qh3 a3 31. Qh5 1-0

