AppYonder

Openings Mastermind

Christian Heise

5.0(1)GamesAges 4+

Get it free on the App StoreOpens Apple's App Store

Screenshots

About this app

Get ready to take your chess game to the next level with Openings Mastermind, the ultimate chess opening app! Some of the features include: - Import Lichess Studies or custom PGNs - Explore openings with Stockfish 17 and the Lichess position database - Practice openings by repetition against your own custom openings database - Take advantage of the smart practice queue and improve your learning - Observe your learning progress in different openings With our app, you can take your opening game to the next level by practicing against the specific lines you want to master. Whether you're a beginner or an experienced player, our app is the perfect tool to help you improve your opening moves and become a better chess player. Planned Features: - Continue against engine, after study line ends - Analysis of your games from Lichess and Chess.com compared to your openings database

What's new

Version 0.9 · Jul 4, 2026

What's new in v0.9: - Refreshed the interface with Apple's new Liquid Glass design - Added German language support — switch in Settings → General - More reliable PGN import: a rewritten parser handles a much wider range of Lichess studies and PGN files correctly - Fixed crashes on very deep or repetitive opening lines - Fixed a rare crash related to the chess engine - New privacy controls: opt in or out of analytics and crash reports in Settings - Various stability and performance improvements

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