Deep Green vs Chess Studio Lite

A no-nonsense classical chess app. - CLEAN UI: Deep Green offers a distraction-free experience in a clean, native user interface – now with the Liquid Glass design on iOS 26. - CUSTOM PIECE DESIGN: Beautiful chess set designed specifically for Deep Green and rendered at high resolution in both outline and 3D throughout the app. - MADE FOR IPAD: Dedicated menu bar, multiple windows, and refined trackpad, mouse, and Apple Pencil support. Squares highlight as you hover over the board. - TIGHT SYSTEM INTEGRATION: System-level sharing, drag and drop, AirDrop, undo/redo, contextual menus, Quick Look previews of chess files, Dark Mode, high contrast support and more. - OPEN GAME FORMAT: Games can be shared, saved, copied, pasted, imported, exported in the ubiquitous, open source PGN and FEN formats. Deep Green can open chess files straight from the Files app. - UNIQUE CHESS ENGINE: Enjoyable opponent with adjustable strength, praised for its humane gameplay, developed for Deep Green on the Apple Newton more than 25 years ago. - TWEAKABLE APPEARANCE: Engage the knights in the game by having them turn towards the center of the board, apply a humane, slightly random placement of the pieces. - IN YOUR LANGUAGE: Available in English, German, and Danish. - MODERN ARCHITECTURE: Written in Swift as a fully native app – modern, maintainable, and prepared for the future. - PRIVATE, AD-FREE: No ads, no tracking, no analytics, no nonsense. If you like Deep Green, please rate it favorably on the App Store.

Chess Studio is the first and only application for iPhone and iPad able to completely manage chess database and games in PGN format. Chess Studio is an application designed and built for those players who really want to deepen their knowledge in the field of chess, studying chess regularly and participate in tournaments. Chess Studio allows you to: • Read database and games in PGN format (also with extended notation of moves). • Create, delete and modify folders and databases. • View games with annotations and textual comments and keep track of the displayed games. • Use a double chessboard on the same screen for better game analysis. • Visualize moves and variants in compact mode or indented mode. • Modify existing games with move annotation and textual comments. • Insert new games and positions. • Insert moves with annotations and textual comments. • Insert variation, subvariations etc. • Insert and visualize graphical annotation (colored arrows and highlighted squares). • Share Databases and Games through Airdrop. • Download chess database from internet. • Download chess database from PGN Mentor site. • Import games, database and Opening Books from other applications. • Merge two or more databases. • Copy/Paste games and positions. • Analyze games with Stockfish 19 Engine with the support of the Neural Networks (up to 5 lines of analysis simultaneously) and see the results also through the Engine Evaluation Bar. • See graphic visualization of moves suggested by Stockfish 19 engine. • See Win-Draw-Loss (WDL) probabilities during engine analysis. • Replay games automatically. • Visualize Pawn structure. • Manage Variations and sub-variatons: delete and promote variations. • Read the weekly Magazine The Week In Chess and download the games. • Uploading and Downloading PGN database to/from Dropbox, Google Drive, OneDrive. • Three different modes for moving pieces. • Analyse endgames with Endgame Tablebases. • Analyse and study Chess Openings. • Creation and management of Opening Books in Polyglot format. • Import and management of ChessBase Opening Books (ctg, cto, ctb format). • Automatically classify a database according to ECO code. • Replay, enter and analyze Chess 960 games (Fischer Random Chess). • Play against the engine both in standard mode and in Chess 960 mode. • Solving Puzzles. • Diagram Recognition: this feature allows the user to take and/or upload photos of chess diagrams and convert them into PGN format positions. Other features and technical details: • Modify the board size tapping on the board or through the Settings menu. • Professional chess fonts and figurines for moves notation and annotation. • Preview of the game in the board tapping the Info button. • Advanced search feature. • Visualization of ECO code and Opening during game replay or game insertion. • Visualization of Book Openings during game replay or game insertion. • Complete management of Null Moves with Tutorial. • Portrait/Landscape mode for all devices. • Support of Slide Over and Split View mode. • Function to move up within variants and subvariants. • Online manual frequently updated. • iOS 26 compatible and optimized for all the devices. • Sharing of databases across devices via iCloud Drive. • Sound option. • Support for iPad Pro Keyboard or bluetooth keyboard. • VoiceOver/Accessibility support. • Direct contact via email with the developer. • Languages: English, Italian, Spanish and German. Complete description at the following address: https://chessstudio.wordpress.com/chess-studio/ The application is continuously updated with new features and improvements. Chess Studio Lite is a smaller version of Chess Studio where some features are limited. To view the terms of service visit https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ No registration! No advertising! No sharing of personal data! If you own an iMac or a MacBook try the new Chess Lab!