C69Black4 book lines continue
Exchange Variation, Bronstein Variation
Ruy Lopez1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qd6
Also known as Spanish: Exchange, Bronstein Variation, Spanish Game, Exchange Variation, Bronstein Variation, Ruy Lopez.