ECO B43 · Sicilian Defense
Sicilian Defense: Kan Variation, Knight Variation
The position after 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3.
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3
Sicilian Defense: Kan Variation, Knight Variation is filed under ECO B43, a variation of Sicilian Defense: Kan Variation. It is the position after 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 — 9 half-moves in, with Black to move. From here theory names one continuation, b5.