Home › Openings › Ruy Lopez › Ruy Lopez: Berlin Defense › Ruy Lopez: Berlin Defense, Anti-Berlin Variation Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Mortimer Variation ECO C65 · 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7 Related variationsRuy Lopez: Berlin Defense, Anti-Berlin Variation, Anderssen VariationRuy Lopez: Berlin Defense, Anti-Berlin Variation, Duras VariationRuy Lopez: Berlin Defense, Anti-Berlin Variation, Kaufmann VariationRuy Lopez: Berlin Defense, Anti-Berlin Variation, Mortimer Trap Practice this opening · Play against the computer