Modernized: The Open Sicilian

Looking for an easy way to learn openings and build a repertoire? With Chessbook you can find the gaps in your repertoire before your opponents do. You will only spend time on the moves you’ll actually see, learn middlegame plans for any opening, and easily find mistakes in your online games. Connect your Chess.com or Lichess account to get instant feedback when you deviate from your repertoire. Try it out!