ECO B30 · Sicilian Defense
Sicilian Defense: Old Sicilian
The position after 1.e4 c5 2.Nf3 Nc6.
Sicilian Defense: Old Sicilian
4 half-moves in · 3 named continuations
8♜
♝
♛
♚
♝
♞
♜
7♟
♟
♟
♟
♟
♟
♟
6
♞
5
♟
4
♙
3
♘
2♙
♙
♙
♙
♙
♙
♙
a1♖
b♘
c♗
d♕
e♔
f♗
g
h♖
1. e4 c5 2. Nf3 Nc6
Sicilian Defense: Old Sicilian is filed under ECO B30, a variation of Sicilian Defense. It is the position after 1.e4 c5 2.Nf3 Nc6 — 4 half-moves in, with White to move. From here theory names 3 continuations: d4, Bb5, b4.