1.e4: Complete Guide for White - TheChessWorld

Modern theory has developed a lot and concepts have changed with time, but the majority of games still start with the same move – 1.e4.

Best Chess Openings for Black Against e4 - EnthuZiastic

Chess Openings for White, Explained: Winning with 1. E4 (PDF)

Opening Theory Archives - British Chess News

Bobby Fischer Miscellanea by Edward Winter

Chess Game [Guide 2023] - Chess Pieces and Online gameplay

Sicilian Defense - A Total Guide (with White's Response)

Minckwitz's Blog • Book review: The Sicilian Four Knights by David Willis •

Caruana's Ruy Lopez - Schachversand Niggemann

Chess: Ding misses wins and his prep leaks as Nepomniachtchi keeps the lead, World Chess Championship 2023

Giri jokes aside, why do SuperGMs keep agreeing to draws before the opening is complete? : r/chess