FlexiChess

FlexiChess is a modern database platform designed for competitive chess players, offering advanced tools for game analysis and preparation. Key features include: • Search over 10.4 million tournament games by specific ideas or positions • Automated opponent scouting to identify weaknesses • Integrated engine, opening explorer, and customizable workbench • Leakfinder to pinpoint recurring mistakes in your own games • Spaced-repetition training for repertoire mastery This browser-based tool allows users to quickly find games matching complex criteria like pawn structures, middlegame themes, or specific endgames. It provides a dynamic workbench where you can arrange an engine, opening explorer, and database side-by-side, tailoring the interface to your preferred workflow. The platform also supports uploading and accessing your personal PGN files and databases from any browser, ensuring your entire game collection is searchable alongside master games. FlexiChess empowers players to prep smarter and play sharper by offering unparalleled access to game data and analytical tools. The platform helps users understand their opponents better, refine their openings, and eliminate costly errors through targeted analysis. Whether you are a club player or competing at a championship level, FlexiChess offers the resources needed for serious game improvement, all within a free, no-install environment.