Chess Openings Coach is a chess opening study app designed to help players build, review, and improve their opening repertoire. Study openings with a visual chessboard, PGN reader, grandmaster opening tree, personal repertoire builder, live repertoire tools, and local engine analysis. Main features: • Build separate White and Black opening repertoires • Read PGN opening books and game collections • Import your own games • Build a Live Tree from your own games • Explore grandmaster opening statistics • View win/draw/loss percentages for opening moves • Study representative opening lines • Get coach-style guidance for the current position • Use local Stockfish engine analysis • Customize board colors, app themes, and chess piece sets Chess Openings Coach is built for players who want a practical opening study workspace: not just a PGN reader, but a tool for understanding popular moves, reviewing personal choices, and improving opening preparation. Engine analysis ru...