Sicilian defense
Sicilian defense The Sicilian Defense is a chess opening that begins with the following moves: 1. e4 c5 The Sicilian is the most popular and best-chess openings for both: white and black. 3 popular moves after white responds in Nf3 - 1. D6 2. Nc6 3. E6 D6 - When you play d6, the d6 pawn protects the c5 pawn also it frees up the diagonal for your light squared bishop Nc6 - When you play Nc6, it protects two important/central squares which are e5 and d4 E6 - When you play E6, the e6 pawn protects d5 square and f5 square also the dark squared bishop protects the c5 pawn To check more about Sicilian defense click this U.R.L - https://lichess.org/study/llCJr9yF