Chess vs Blunder

Chess Studio is the first and only application for iPhone and iPad able to manage chess databases and games in PGN format in a complete and efficient way. 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, replay and analyze games in Chess 960 mode. • 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 directly 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) with the support of the Engine Evaluation Bar. • Replay games automatically. • Visualize Pawn structure. • Manage Variations and sub-variatons: delete and promote variations. • Read the weekly Magazine The New In Chess (TWIC) and download the games. • Uploading and Downloading PGN Database to/from Dropbox, Google Drive, OneDrive. • Three different modes for moving pieces. • Analyze endgames with Endgame Tablebases. • Analyze and study Chess Openings in the Chess Openings Section. • Create and manage Opening Books in Polyglot format. • Import and manage ChessBase Opening Books (ctg 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. • Play online through the LiChess platform • Train by solving Puzzles • ChessBase Database support. • 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. • Professional chess fonts and figurines for moves notation and annotation. • Preview of the game in the board tapping the Info button. • Quick search feature. • Advanced search feature. • Complete management of Null Moves with Tutorial. • Visualization of ECO code and Opening during game replay or game insertion. • Visualization of Book Openings during game replay or game insertion. • Portrait/Landscape mode for all devices. • Support of Slide Over and Split View mode. • Function to move up within variants and subvariants. • iOS 26 compatible and optimized for all the devices. • Sharing of databases across devices via iCloud Drive (also with Chess Studio for Mac OS). • Sound option. • Support for iPad Pro Keyboard or bluetooth keyboard. • VoiceOver/Accessibility support. • Direct contact via email with the developer to report problems, ask for explanation and suggestions (very quick answer!). • Languages: English, Italian, Spanish and German. Complete description at: https://chessstudio.wordpress.com/chess-studio/ To view the privacy policy and Terms of Use (EULA) visit https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ The application is continuously updated with new features and improvements. No registration! No advertising! No sharing of personal data!

Take a photo, open it in Blunder, and start exploring a chess position. Super fast! Blunder turns photos and screenshots of chessboards into interactive positions, with quick access to the camera and your photo library. FROM PHOTO TO POSITION - Recognize boards in screenshots and photos, including photos taken at an angle. - Automatically detect the board orientation. - Infer whose turn it is from highlighted last-move squares when available, or change the side to move yourself. EXPLORE THE BEST MOVES - View Stockfish analysis powered by Lichess. - Choose how many alternative lines to show. - Tap moves in a line to explore the continuation. - Choose an analysis time and available engine options. - Switch between the Blunder analysis view and the Lichess view. BUILD YOUR CHESS LIBRARY - Revisit recent games in a visual board gallery. - Save favorites and organize positions into folders. - Sync your library with iCloud across iPhone and iPad. - Turn off automatic history while keeping your favorites and organized games. SHARE AND CONTINUE Share positions as FEN, or open them in Lichess or Chess.com. Blunder requires iOS 26 or later. Internet access is required for Lichess analysis. Recognition results can vary with image quality and board design. BLUNDER PRO Your first 20 scans are free. Blunder Pro unlocks unlimited scans with a monthly or yearly subscription, or a one-time lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel them in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lucas.io/privacy