Hello chess fans! I am proud to bring you the most popular (and one of the most complex) opening in all of chess: The Sicilian Najdorf! To see my other opening repertoires, see lichess.org/study/by/Mr_Penings ❤️Please give this study a like and share with others!1e4c52Nf3...This opening repertoire will only cover the lines starting 5. a6 for Black. I have written 2 other complete Sicilian guides (Kan and Hyper-Accelerated Dragon) that includes different recommendations against the sidelines such as 2. c3 and 2. Nc3. Check those out!2...d63d4cxd44Nxd4Nf65Nc3a6The start of the Najdorf variation. This opening is extremely complex and theory heavy because there are just so many possible plans for White and Black, and the variations are just vastly different from one another, which is one of the main differences between the Najdorf and the Kan.