Sicilian Defense: Old Sicilian Variation

Sicilian Defense: Kalashnikov Variation with GM Misa Pap

Sicilian Defense Four Knights Variation - GM Miloš Perunović

Sicilian Defense: Old Sicilian Variation, 0-1

Sicilian Defense: Hyperaccelerated old variation : r/lichess

Master Sicilian Defense Strategy: Your Winning Blueprint - Remote Chess Academy

Counter All the Sicilian Sidelines - ChessMood

The Modernized Anti-Sicilians – Volume 1 – Rossolimo Variation - Thinkers Publishing

Why would White play 2.a3 as their 2nd move in the Sicilian Defense? It's not an accepted opening and I see no benefits. How would you go about strategizing a reply, as

Chess - The Sicilian Defence

The Classic Sicilian (Alt Trap Variation) The Sicilian Defense is a dy