- 30 termsDefensa SicilianaSicilian Defense · Open Sicilian · Sicilian Defense, Najdorf Variation
- 15 termsDefensa FrancesaFrench Defense · French Defense, Advance Variation · French Defense, Advance Variation, Milner-Barry Gambit
- 14 termsDefensa Caro-KannCaro-Kann Defense · Caro-Kann Defense, Advance Variation · Caro-Kann Defense, Advance Variation, Short Variation
- 5 termsDefensa EscandinavaScandinavian Defense · Scandinavian Defense, Main Line · Scandinavian Defense, Modern Variation
- 4 termsDefensa AlekhineAlekhine Defense · Alekhine Defense, Modern Variation · Alekhine Defense, Exchange Variation
- 7 termsDefensas Pirc y ModernaPirc Defense · Pirc Defense, Classical Variation · Pirc Defense, Austrian Attack
- 1 termDefensa OwenOwen's Defense
- 1 termDefensa NimzowitschNimzowitsch Defense
