# chess.ceo > Professional chess analysis tools with engine, game database, and opponent preparation. (iPhone/iPad app by CHESSGM OU.) - Source: https://appshunter.io/ios/app/chessceo/id6759229388 (this page in markdown: same URL + `.md`) - Developer: [CHESSGM OU](https://appshunter.io/developer/1877558592) - Category: Games, Board - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 15.0 · 141 MB - Languages: American English - Released: 2026-03-16 - Data updated: 2026-09-05 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/chessceo/id6759229388/reviews.md ## What is chess.ceo? Chess.ceo Whether you're a beginner learning openings or a tournament player preparing for your next opponent, Chess.ceo gives you professional chess analysis tools right on your phone. Engine Analysis Analyze any position with Stockfish, the world's strongest chess engine, running locally on your device — no internet required. Need more power? Cloud Engines let you run analysis on a dedicated cloud machine, billed per minute and only while it's running. 14M Game Database Explore over 14 million master-level games with real-time opening statistics. For any position, instantly see which moves were played, how often they led to wins, and at what rating level. Filter by rating range and time control to find data relevant to your level. Endgame positions are covered by seven-piece Syzygy tablebases showing perfect play with distance-to-mate. Opponent Preparation Search any player by name, country, or FIDE title. View their game history, ratings, and most-played openings. Study their repertoire and identify weaknesses before your next tournament game. Link players across FIDE and Chess.com profiles. Live Tournament Broadcasts Follow ongoing tournaments with live game boards, per-board evaluation bars, and live standings. Jump straight into any player's games while a round is in progress. Full Game Analysis Import games via PGN — paste from clipboard or load from file. The engine evaluates every move and shows where mistakes were made. Build a complete variation tree with main lines and sidelines, annotate key moments, and save your analysis for later. PGN Files Organize your analyzed games into files and folders, synced across devices when you sign in. Import hundreds of games at once, or export to share with coaches and training partners. Additional Features • Chess960 (Fischer Random) with one tap • Chess clock with customizable time controls • Position editor for setting up any position • Search games by position across your files • Landscape and tablet support • Seven languages: English, German, Spanish, French, Russian, Chinese, and Arabic Free to Use All of the above is free — no ads. Create an account and start analyzing. CEO Tier — Optional Subscription For players who want more: • Pro Board — full-screen, distraction-free analysis • Full database offline — all 14 million games on your device, no connection needed • Higher daily limits on search, preparation, and database queries • More storage for your PGN files Subscribe monthly, cancel any time. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://chess.ceo/docs/tos Privacy Policy: https://chess.ceo/docs/privacy ## Key features - Engine analysis with Stockfish - 14 million master-level game database - Opponent search and repertoire study - Live tournament broadcasts - Full game analysis with PGN import - Organize and sync PGN files - Chess960 and chess clock ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/chessceo/id6759229388/reviews.md ### 5/5 — Perfect to prep with *2026-08-01* I use this app all the time. Very up to date and very convenient to use when compared to Chessbase. ## Frequently asked questions about chess.ceo ### Does chess.ceo have ads? No, chess.ceo is free to use and does not contain advertisements. Users can enjoy all core features without interruption. ### What are the subscription options for chess.ceo? chess.ceo offers an optional CEO Tier subscription for players who want more. This includes a Pro Board for distraction-free analysis, full offline database access, higher daily limits, and more PGN file storage. Subscriptions are monthly and can be canceled anytime. ### Can I analyze chess games offline with chess.ceo? Yes, the core engine analysis with Stockfish runs locally on your device, requiring no internet. The full 14 million game database is available offline with the optional CEO Tier subscription. ### How does chess.ceo help me prepare for opponents? You can search any player by name, country, or FIDE title to view their game history, ratings, and most-played openings. This allows you to study their repertoire and identify weaknesses before a match. ### What kind of game data does chess.ceo provide? chess.ceo includes a database of over 14 million master-level games with real-time opening statistics. You can see which moves were played, their win rates, and at what rating levels, with filters for your specific needs. ### Is chess.ceo suitable for beginners? Yes, chess.ceo is designed for players of all levels, including beginners learning openings. The engine analysis and game database can help new players understand strategic concepts and common opening moves. ### What devices does chess.ceo support? chess.ceo is supported on iPhone, iPad, and iPod. It also offers landscape and tablet support for a better viewing experience. ### How often is chess.ceo updated? The latest version of chess.ceo is 1.0.8, which was last updated on August 26, 2026. This indicates regular updates to improve functionality and add features. ## Version history (last 5 releases) ### 1.0.8 — 2026-08-26 Cloud engines, run a powerful engine in the cloud. Offline database, download the game database and use it without a connection. Subscriptions, CEO tier, for unlimited access to the premium features. Move animations, with adjustable speed. Live game notifications, follow a game with the app closed. Many bug fixes and improvements. ### 1.0.6 — 2026-06-07 ● What's new • Live tournament broadcasts • Pro Board • New bottom navigation bar + board tabs • Many fixes & improvements ### 1.0.5 — 2026-04-22 - Added live games button - Layout and design improvements - API improvements - Bug fixes and stability improvements ### 1.0.2 — 2026-03-27 - chess.com and lichess preparation did not worked - Added transpositions, and that you can delete one recent board ### 1.0.1 — 2026-03-21 Bug fixes ## Apps similar to chess.ceo | App | Rating | Price | Category | | --- | --- | --- | --- | | [Blindfold Chess Trainer](https://appshunter.io/ios/app/blindfold-chess-trainer/id6745624258) | 4.0 (2) | Free | Games | | [Caissify](https://appshunter.io/ios/app/caissify/id6755508097) | — | Free | Games | | [Chess – Analysis Board](https://appshunter.io/ios/app/chess-analysis-board/id6759629683) | — | Free | Games | | [Elite Chess Database](https://appshunter.io/ios/app/elite-chess-database/id6475635793) | 1.0 (1) | Free | Games | | [Master Moves Chess Club](https://appshunter.io/ios/app/master-moves-chess-club/id6759597897) | — | Free | Games | | [Chessmate: Next Move Analyser](https://appshunter.io/ios/app/chessmate-next-move-analyser/id6737779379) | 4.5 (2) | Free | Games | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-05.*