ECO C65 · Ruy Lopez
Ruy Lopez: Berlin Defense, Beverwijk Variation
The position after 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Bc5.
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5
Ruy Lopez: Berlin Defense, Beverwijk Variation is filed under ECO C65, a variation of Ruy Lopez: Berlin Defense. It is the position after 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Bc5 — 8 half-moves in, with White to move. From here theory names one continuation, c3.