Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...Nf6/4. O-O/4...Nxe4

= Ruy Lopez:Open Game =

Theory table
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 * 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4