| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. B H Villegas vs Lasker |
 | 0-1 | 46 |
1910 |
Buenos Aires sim | C82 Ruy Lopez, Open |
| 2. Capablanca vs B H Villegas |
 | 1-0 | 34 |
1914 |
Buenos Aires | D04 Queen's Pawn Game |
| 3. B H Villegas vs R Grau |
| 1-0 | 36 |
1921 |
Carrasco | D64 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 4. A De Oliveira vs B H Villegas |
| 0-1 | 68 |
1921 |
Carrasco | C25 Vienna |
| 5. R Grau vs B H Villegas |
| 1-0 | 29 |
1924 |
ARG-ch4 Mayor | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 6. B H Villegas vs Trompowsky |
| 0-1 | 39 |
1925 |
Montevideo | A21 English |
| 7. R Grau vs B H Villegas |
| 1-0 | 58 |
1925 |
Montevideo | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 8. B H Villegas vs Alekhine |
 | 0-1 | 48 |
1926 |
Buenos Aires (01) | E46 Nimzo-Indian |
| 9. Alekhine vs B H Villegas |
 | 1-0 | 35 |
1926 |
Buenos Aires | A13 English |
| 10. B H Villegas vs Alekhine |
| 0-1 | 51 |
1926 |
Buenos Aires | C11 French |
| 11. V Romano vs B H Villegas |
| 0-1 | 68 |
1928 |
Mar del Plata | D30 Queen's Gambit Declined |
| 12. B H Villegas vs R Grau |
| 0-1 | 52 |
1928 |
Mar del Plata | B43 Sicilian, Kan, 5.Nc3 |
| 13. B H Villegas vs C H Maderna |
| 0-1 | 43 |
1931 |
Buenos Aires | C23 Bishop's Opening |
| 14. B H Villegas vs I Pleci |
| 0-1 | 41 |
1931 |
Buenos Aires | A45 Queen's Pawn Game |
| 15. I Pleci vs B H Villegas |
| 1-0 | 48 |
1935 |
Buenos Aires | D04 Queen's Pawn Game |
| 16. I Pleci vs B H Villegas |
| 1-0 | 60 |
1936 |
Mar del Plata it-03 | E90 King's Indian |
| 17. B H Villegas vs J Traian Iliesco |
| 0-1 | 56 |
1936 |
Mar del Plata it-03 | E12 Queen's Indian |
| 18. R Charlier vs B H Villegas |
| ½-½ | 46 |
1936 |
Mar del Plata it-03 | D44 Queen's Gambit Declined Semi-Slav |
| 19. B H Villegas vs V Fenoglio |
| 0-1 | 40 |
1936 |
Mar del Plata it-03 | A04 Reti Opening |
| 20. B H Villegas vs J C Balparda |
| ½-½ | 40 |
1936 |
Mar del Plata it-03 | A02 Bird's Opening |
| 21. B H Villegas vs C Hounie Fleurquin |
| 0-1 | 47 |
1936 |
Mar del Plata it-03 | C01 French, Exchange |
| 22. R Flores-Alvarez vs B H Villegas |
| 0-1 | 50 |
1936 |
Mar del Plata it-03 | D24 Queen's Gambit Accepted |
| 23. B H Villegas vs L Piazzini |
| ½-½ | 31 |
1936 |
Mar del Plata it-03 | D26 Queen's Gambit Accepted |
| 24. A Pons vs B H Villegas |
| 1-0 | 57 |
1936 |
Mar del Plata it-03 | B23 Sicilian, Closed |
| 25. B H Villegas vs Jacobo Bolbochan |
| ½-½ | 62 |
1936 |
Mar del Plata it-03 | D78 Neo-Grunfeld, 6.O-O c6 |