Chess Studio Lite vs Chess Opener Lite

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!

Features: - Chess opening tree with game statistics - The Encyclopedia of Chess Openings (ECO) - Compare ECO and opening tree moves side by side in any position - Export chess openings in PGN format - Build your own opening repertoire - Add or edit comments on moves - Automatically classify any sequence of moves using the ECO system - Chess opening explorer highlights moves already in your repertoire - Chess database includes all transpositions - Interactive trainer to memorize your chess openings and variations - Train multiple variations at once against random opponent moves from your repertoire - Set up a starting position for training - Track your training progress - Customize chessboard colors and chess pieces - Supports dark mode - Works completely offline CHESS OPENING EXPLORER Search in the Encyclopedia of Chess Openings or browse the chess opening tree. Swipe left or right to switch between the exploration features in any position. BUILD YOUR OPENING REPERTOIRE Add your favorite opening lines to your repertoire using the chess opening explorer. You can always edit the names of your openings and organize them in your repertoire. OPENING TRAINER A simple and efficient method to memorize variations of openings in your repertoire. You can train either white’s moves or black’s moves only or both. Optionally, you can train all variations at once. The trainer chooses the opponent’s moves randomly from your opening repertoire. Chess Opener tracks your progress and shows your stats. Upgrade to Chess Opener PRO to unlock more features: - Unlimited repertoire size - Unlimited depth of openings - 6x larger opening tree with game statistics - Database of top 100+ grandmasters’ repertoires - Powerful chess engine analysis - Import openings in PGN format