# Shredder Chess (International) > World champion chess program for mobile with analysis, puzzles, and adjustable difficulty. (iPhone/iPad app by Eiko Bleicher, Skizzix.com.) - Source: https://appshunter.io/ios/app/shredder-chess-international/id313725580 (this page in markdown: same URL + `.md`) - Developer: [Eiko Bleicher, Skizzix.com](https://appshunter.io/developer/288297104) - Category: Entertainment - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 31 written reviews indexed - Age rating: 4+ - Requires: iOS 10.0 · 30 MB - Languages: English, German - Released: 2009-05-01 - Data updated: 2026-09-02 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/shredder-chess-international/id313725580/reviews.md ## What is Shredder Chess (International)? Shredder, the most successful chess program ever, is now also available for the iPhone. You can play against Shredder, analyze with him and solve chess puzzles. It offers the usual Shredder standard for your pocket. In addition to the outstanding playing strength of the 12 times computer chess world champion, Shredder is also able to mimic the play of a human chess player with any playing strength. He even deliberately makes typical human mistakes in those levels. Solve 1000 built in chess puzzles. Shredder keeps track of your performance and offers advice if needed. You can adjust Shredder’s playing strength from beginner to master level. If you like, Shredder automatically adjusts his strength to yours. He even calculates an Elo rating for you. This is how the playing strength of chess players is typically measured. During the game a coach is watching your moves and warns you if you are about to make a mistake. See how you are getting better and better the more games you play and the more chess puzzles you solve. * Adjustable playing strength * Intuitive and very easy to operate * 1000 built in chess puzzles * See your rating in a diagram * Outstanding playing strength on the iPhone * Analyse your games with Shredder, find your mistakes and improve your play * Coach shows your mistakes * load and save games (incl. names, date, etc.) * Different playing styles from passive to aggressive * Great variety: opening book with more than one million moves * two player mode / enter moves * undo/redo mulitple moves (keep button pressed)* Enter and analyze any position you like * Send games via email * Different chess boards and pieces * VoiceOver / Accessibility support for almost everything. * Improve your play whenever and wherever you like Also check out our highly refined version for iPad. ## Key features - Adjustable playing strength - 1000 built-in chess puzzles - Game analysis and mistake detection - Elo rating calculation - Multiple playing styles - Extensive opening book - Two-player mode ## Recent user reviews (10 of 31) All indexed reviews: https://appshunter.io/ios/app/shredder-chess-international/id313725580/reviews.md ### 5/5 — Great chess app! *2021-06-10* The board and the pieces are beautiful, and the app is very stable. ### 5/5 — Excelente!! *2020-07-15* Simplesmente o melhor de todos!! ### 1/5 — No autosave *2019-01-25* Please add autosave. At least ask before starting new game!! I lost my game record this way. ### 5/5 — Exactly what I want in a chess app! *2017-09-22* Things I love about Shredder compared to other apps: - Auto skill adjustment. - It’s FAST! Even on my old 5s. - You can play with no time limit. It’s surprising how almost no apps offer this. - Different play styles. - Simple interface. Most apps hide dozens of options in cumbersome menus. ### 5/5 — Simply the best chess APP *2017-06-26* The best chess APP ever made! ### 4/5 — Great app, but need updates *2016-07-25* I really like Shredder Chess app, I bought for iPhone and iPad, I guess is the best chess app for iOS, but even good apps have to update to adapt the new. I have an iPhone 6 plus, w/ 5.5' screen and the app shows the same interface that is present in the smaller screens, neither the quality of the pieces assets are in better shape.. Please, update to the bigger screens. ### 5/5 — Excelente! *2016-04-24* Pra quem gosta de xadrez, trata-se de excelente app. Recomendo! ### 5/5 — Ótimo! *2014-09-05* Great! ### 1/5 — Do something for me. *2014-07-22* I played light version and it was great. So I bought this. It shows like downloaded. But I can not find any icon. So it's unplayable. ### 1/5 — Lixo *2014-01-31* So oponentes do pc!! Não tem multiplayer, app trava!! ## Frequently asked questions about Shredder Chess (International) ### How does Shredder Chess adjust its playing strength? Shredder Chess allows you to adjust its playing strength from beginner to master level. It can also automatically adjust its strength to match yours, calculating an Elo rating to measure your progress. ### Can I play against a friend on Shredder Chess? Yes, Shredder Chess features a two-player mode where you can enter moves for both sides, allowing you to play against a friend on the same device. ### Does Shredder Chess offer offline play? The description does not explicitly state if Shredder Chess supports offline play. However, its core features like playing against the engine, analyzing games, and solving puzzles are typically available offline. ### What kind of puzzles are available in Shredder Chess? Shredder Chess includes 1000 built-in chess puzzles designed to help you improve your tactical skills. The program tracks your performance and offers advice when needed. ### How does the coaching feature in Shredder Chess work? During a game, a coach watches your moves and warns you if you are about to make a mistake. This feature helps you identify and correct errors in real-time. ### What are the different playing styles available in Shredder Chess? Shredder Chess offers different playing styles, ranging from passive to aggressive, allowing you to experience a variety of strategic approaches to the game. ### Is Shredder Chess suitable for visually impaired users? Yes, Shredder Chess provides VoiceOver and Accessibility support for almost everything, making it usable for individuals with visual impairments. ### How frequently is Shredder Chess updated? The latest version of Shredder Chess is 1.11.0, which was last updated on February 21, 2021. While not frequently updated, it has maintained its core functionality. ## Version history (last 1 release) ### 1.11.0 — 2021-02-21 Compatibility fixes: in some circumstances the opening book was not visible and the email form was behaving badly. ## More apps by Eiko Bleicher, Skizzix.com - [Ferienplan](https://appshunter.io/ios/app/ferienplan/id292515670) - [Shredder Chess](https://appshunter.io/ios/app/shredder-chess/id308032437) - [Shredder Chess Lite](https://appshunter.io/ios/app/shredder-chess-lite/id343795703) - [Shredder Chess for iPad](https://appshunter.io/ios/app/shredder-chess-for-ipad/id364900027) - [Chess Online @ shredderchess](https://appshunter.io/ios/app/chess-online-shredderchess/id848369246) All apps by Eiko Bleicher, Skizzix.com: https://appshunter.io/developer/288297104 --- *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 2026-09-02.*