Sicilian defense variation : r/chess

In chess, what is a way to face the Sicilian as white without

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

The Alapin Variation: Playing the Anti-Sicilian as White and Black

Blitz chess postmortem #745: Sicilian defense - Pin variation

Queen Trap#1: Sicilian Defense, Pin Variation!

37. Deep Sicilian Logic - Part 1 - Matthias Wahls

Pin on mbgc.net

Chess Opening Traps in the Sicilian Defense (Part-2) - Remote Chess Academy

Short & Sweet: Cuenca's Kalashnikov Sicilian

Opening Repertoire: Beating the Sicilian Main Lines – Everyman Chess