- 19 termsApertura EspañolaRuy Lopez · Ruy Lopez, Morphy Defense · Ruy Lopez, Exchange Variation
- 11 termsApertura ItalianaItalian Game · Giuoco Piano · Giuoco Pianissimo
- 6 termsApertura EscocesaScotch Game · Scotch Game, Classical Variation · Scotch Game, Mieses Variation
- 6 termsApertura de los Cuatro CaballosFour Knights Game · Four Knights Game, Scotch Variation · Four Knights Game, Belgrade Gambit
- 5 termsDefensa PetrovPetrov's Defense · Petrov's Defense, Classical Attack · Petrov's Defense, Modern Attack
- 6 termsPhilidor y respuestas con peonesPhilidor Defense · Philidor Defense, Hanham Variation · Philidor Defense, Lion Variation
- 2 termsApertura PonzianiPonziani Opening · Ponziani Opening, Jaenisch Counterattack
