ECO C85 · Ruy Lopez
Ruy Lopez: Closed, Delayed Exchange
The position after 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6.
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6
Ruy Lopez: Closed, Delayed Exchange is filed under ECO C85, a variation of Ruy Lopez: Closed. It is the position after 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 — 11 half-moves in, with Black to move. Named theory ends here; beyond this the position is yours to work out.