EntityQ505763· pop 25· linked from 9 articlesThree Knights GameSign in to savechess opening 1. e4 e5 2. Nf3 Nc6 3. Nc3ConnectionsOpen GameEntityInternational Standard Book NumberEntityGarry KasparovEntityWilhelm SteinitzEntitychess openingEntityRuy LopezEntityPetrov's DefenceEntityalgebraic notationEntityPhilidor DefenceEntitydrawEntityEncyclopaedia of Chess OpeningsEntityList of ECO codesEntityFour Knights GameEntitychess titleEntityRaymond KeeneEntitychess annotation symbolEntitySamuel RosenthalEntityCategoriesChess openings