Chess Openings Trainer 與 Chess Openings - Train, Retain 使用情況與統計

Learning chess openings should be intuitive and simple! Welcome to Chess Openings Trainer. With a database of more than 3,000 openings, 500 descriptions and an intuitive interface that displays the strongest replies to most well-known variations, Chess Openings Trainer will get you playing the Sicilian Defense or the King's Gambit with confidence in no time! * Explore openings directly from the chess board, no side panels, no complicated statistics * Practice openings against a tireless AI * Every move has been evaluated by Stockfish, the strongest chess engine in the world You can optionally support our work by purchasing the Pro version from within the app's settings (a one-time, lifetime purchase, not a subscription)