ECO C80 · Ruy Lopez
Ruy Lopez: Open
The position after 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4.
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4
Variations of Ruy Lopez: Open
3 namedRuy Lopez: Open is filed under ECO C80, a variation of Ruy Lopez. It is the position after 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 — 10 half-moves in, with White to move. From here theory names 2 continuations: Nc3, Qe2.