Chess - tChess Pro2.0.1 - App Store
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Publisher Description
tChess Pro is the high-quality, critically acclaimed chess game with the richest features for the iPhone, iPod touch, and iPad. It's perfect for every player:
Beginners:
Not everybody is a chess master! Most chess games are too strong or just make random mistakes at easier levels. tChess Pro has unique algorithms to simulate human opponents.
Experts:
tChess Pro has a top-tier chess engine. (Over 380 ELO points stronger than Caissa Chess.)
Enthusiasts:
tChess Pro's Analysis Mode is like having a chess master in your pocket. You can get the engine's "expert opinion" about any game or position in real-time: which side is winning, and the best sequence of moves. Just like a professional desktop chess package.
More key features:
- Perfect for 1- or 2-player games
- Strong computer opponent
- Play against any ELO rating from 500 to 2500
- Integrated "Learn Chess" e-book app (Apple Staff Favorite!)
- Opening Library feature lets you explore chess opening theory as you play
- PGN Database feature lets you download and view PGN files
- Support for 3-stage time controls with Fischer increments
- Position Editor to enter positions from books, newspapers, etc.
- Save and load games; export them in standard PGN format
- Use the Profile feature to play rated games against the computer and track your progress
tChess Pro is developed by Tom Kerrigan, author of the TSCP and Stobor chess engines.
Version History - Updated for the latest version of iOS
- Changed the engine to keep searching until it finds the shortest possible checkmate
- Fixed a bug where the animations would become jerky if the app was open for a long time
- Fixed a bug where the saved games would sometimes become invisible 2.0.1 11/29/2025 - Added a button to rotate the board in the Analyze Game feature
- Added the ability to review your opponent's last move if he requests a takeback
- Added a "Saved Time Controls" feature
- Added a setting to control the sound volume (in the Interface tab) 2.0.0 07/03/2022 - Fixed a problem with opening PGN attachments 1.9.6 12/13/2020 - Fixed a bug that was making it difficult to tap the Annotations (pencil) button 1.9.5 08/26/2020 - Users can now choose to store PGN files in local storage or in iCloud Drive
- Removed the previous system of synchronizing PGN files via iCloud 1.9.4 08/05/2020 - Fixed a bug with the "Edit Position" feature 1.9.3 05/19/2020 - NOTE: This version removes the old system for playing online games and chatting with online opponents. If you're still playing games using the old system, please finish those games and switch to the new system. (You were told this transition was going to happen more than a year ago.) The new system is called "Play online" and is accessed via the cloud button on the main toolbar.
- Added support for Dark Mode
- Added support for split-screen mode on the iPad
- Increased the size of the opening library to 75,000 moves 1.9.2 05/17/2020 - Fixed a bug where some "Play online" games could get unsynchronized and stuck
- Added a message to explain that "Play online" games are not necessarily real-time 1.9.1 04/07/2019 - This update adds a new system for playing online. You can access it by tapping on the cloud button on the main toolbar. It should be much easier to use and more reliable than the old system. The old system is still included, so if you have active games, you can finish them. But it will be removed in a future version of tChess. I hope you enjoy the new system! 1.9.0 04/05/2019 - Support for the iPhone X screen resolution and layout
- Bug fixes 1.8.6 01/10/2018 - Fixed a problem with the "Edit Position" feature 1.8.5 09/22/2017 - Updated for iOS 11 1.8.4 09/17/2017 - New "Analyze Game" feature: see an overview of the entire game in seconds
- Native support for the iPhone 6/6+ screen resolutions
- New "Benchmark" feature: measure your iOS device's performance
- Optional "Revert" toolbar button
- Optional "New game" toolbar button 1.8.3 08/04/2015 - New “Toolbar buttons” feature allows you to customize the main toolbar
- New (optional) Game Center toolbar button allows you to quickly access the list of turn-based Game Center games
- Fixed a bug that was causing Profile information to be deleted in some cases
- Fixed a bug that was causing tChess to crash in some cases when submitting Game Center moves
- Compatible with PGN files that don’t have spaces between move numbers and moves
- Time controls now carry over to new games
- Shortcut in the Annotation menu allows you to enter a new annotation with one tap 1.8.2 12/03/2013 - Added a "Dark background" option in the Appearance menu
- Fixed a problem with the PGN Database feature that prevented the "Open games at beginning" option from working and that prevented the previous/next game buttons from working 1.8.1 09/26/2013 - Redesigned to match Apple's latest design language!
tChess has a new look, but retains its "classic" look on older versions of iOS.
- All-new support for PGN, including variations!
- New move annotation viewer/editor supports multiple annotations, variations, and NAGs per move
- Support for nested variations (variations within variations)
- New PGN tag editor supports arbitrary tags
- New time control editor
- Supports an unlimited number of saved games 1.8.0 09/18/2013 - Self-play mode
- Playback mode
- Export to camera roll
- Printing (via AirPrint)
- Remembers which game is selected in each PGN file
- Can play against any other version of tChess (Lite, Pro, etc.) via Game Center
- Ability to send messages to Game Center opponents
- Added the back and forward toolbar buttons during Game Center games
- Improvements to the engine; now much better at finding optimal checkmates 1.7.5 06/27/2013 - Support for iCloud to synchronize PGN files (requires iOS 6.0 or newer)
- Option to sort saved games alphabetically
- Ability to search PGN files by tChess saved game name
- Feature to revert to a PGN game
- Option to give imported PGN files unique filenames if there's a conflict
- Feature to rename PGN files
- Improvements to the chess engine 1.7.4 02/20/2013 - Support for the iPhone 5's new screen size and iOS 6
- Learn Chess is now full-screen on the iPad
- Option to flip all the pieces when it's black's turn (for two-player games)
- Option to use the hint button to toggle Analysis Mode
- New menu to set defaults for saving and exporting games (default recipient, etc.)
- Saves all rated games to "rated_games.pgn"
- Support for complete Forsyth-Edwards Notation 1.7.3 09/27/2012 - Support for the new iPad's Retina Display
- Optimized 3-D engine (over 3 times faster!)
- Redesigned menu system
- Online play (Game Center) improvements 1.7.2 03/27/2012 - Added support for German, French, Japanese, Korean, and Chinese 1.7.1 11/03/2011 - Added support for turn-based Game Center (new for iOS 5)!
- Added support for annotations in PGN files.
- Updated the interface for selecting PGN files (and removed the 25 file limit). 1.7.0 10/07/2011 - Added Game Center support. Play chess with your friends in real time!!
- Added support for dual-core processors (iPad 2). Enable it in the Settings menu and Analysis Mode will calculate 50-80% faster! 1.6.0 04/28/2011 - Automatically exports all saved games to "saved_games.pgn" (iTunes file sharing)
- Pauses the chess clock when tChess isn't the active app
- Improved compatibility with the PGN file format
- Fixes an orientation/rotation problem with iOS 4.2.1 on the iPad 1.5.6 01/11/2011 New for iOS 3.2 and up:
- Ability to open chess game (PGN) file attachments
- Support for iTunes File Sharing
New for every iOS version:
- Improved variability of opening moves
- New Position Editor options
- New Database options
- New editor for PGN tags
- Exports games as PGN file attachments
- Improved performance for iOS 4 1.5.5 10/19/2010
About Chess - tChess Pro
The company that develops Chess - tChess Pro is Tom Kerrigan. The latest version released by its developer is 2.0.1.
To install Chess - tChess Pro on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Chess - tChess Pro as malware if the download link is broken.
How to install Chess - tChess Pro on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Chess - tChess Pro is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Chess - tChess Pro is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 2.0.1
posted on 2026-10-14
Version History - Updated for the latest version of iOS
- Changed the engine to keep searching until it finds the shortest possible checkmate
- Fixed a bug where the animations would become jerky if the app was open for a long time
- Fixed a bug where the saved games would sometimes become invisible 2.0.1 11/29/2025 - Added a button to rotate the board in the Analyze Game feature
- Added the ability to review your opponent's last move if he requests a takeback
- Added a "Saved Time Controls" feature
- Added a setting to control the sound volume (in the Interface tab) 2.0.0 07/03/2022 - Fixed a problem with opening PGN attachments 1.9.6 12/13/2020 - Fixed a bug that was making it difficult to tap the Annotations (pencil) button 1.9.5 08/26/2020 - Users can now choose to store PGN files in local storage or in iCloud Drive
- Removed the previous system of synchronizing PGN files via iCloud 1.9.4 08/05/2020 - Fixed a bug with the "Edit Position" feature 1.9.3 05/19/2020 - NOTE: This version removes the old system for playing online games and chatting with online opponents. If you're still playing games using the old system, please finish those games and switch to the new system. (You were told this transition was going to happen more than a year ago.) The new system is called "Play online" and is accessed via the cloud button on the main toolbar.
- Added support for Dark Mode
- Added support for split-screen mode on the iPad
- Increased the size of the opening library to 75,000 moves 1.9.2 05/17/2020 - Fixed a bug where some "Play online" games could get unsynchronized and stuck
- Added a message to explain that "Play online" games are not necessarily real-time 1.9.1 04/07/2019 - This update adds a new system for playing online. You can access it by tapping on the cloud button on the main toolbar. It should be much easier to use and more reliable than the old system. The old system is still included, so if you have active games, you can finish them. But it will be removed in a future version of tChess. I hope you enjoy the new system! 1.9.0 04/05/2019 - Support for the iPhone X screen resolution and layout
- Bug fixes 1.8.6 01/10/2018 - Fixed a problem with the "Edit Position" feature 1.8.5 09/22/2017 - Updated for iOS 11 1.8.4 09/17/2017 - New "Analyze Game" feature: see an overview of the entire game in seconds
- Native support for the iPhone 6/6+ screen resolutions
- New "Benchmark" feature: measure your iOS device's performance
- Optional "Revert" toolbar button
- Optional "New game" toolbar button 1.8.3 08/04/2015 - New “Toolbar buttons” feature allows you to customize the main toolbar
- New (optional) Game Center toolbar button allows you to quickly access the list of turn-based Game Center games
- Fixed a bug that was causing Profile information to be deleted in some cases
- Fixed a bug that was causing tChess to crash in some cases when submitting Game Center moves
- Compatible with PGN files that don’t have spaces between move numbers and moves
- Time controls now carry over to new games
- Shortcut in the Annotation menu allows you to enter a new annotation with one tap 1.8.2 12/03/2013 - Added a "Dark background" option in the Appearance menu
- Fixed a problem with the PGN Database feature that prevented the "Open games at beginning" option from working and that prevented the previous/next game buttons from working 1.8.1 09/26/2013 - Redesigned to match Apple's latest design language!
tChess has a new look, but retains its "classic" look on older versions of iOS.
- All-new support for PGN, including variations!
- New move annotation viewer/editor supports multiple annotations, variations, and NAGs per move
- Support for nested variations (variations within variations)
- New PGN tag editor supports arbitrary tags
- New time control editor
- Supports an unlimited number of saved games 1.8.0 09/18/2013 - Self-play mode
- Playback mode
- Export to camera roll
- Printing (via AirPrint)
- Remembers which game is selected in each PGN file
- Can play against any other version of tChess (Lite, Pro, etc.) via Game Center
- Ability to send messages to Game Center opponents
- Added the back and forward toolbar buttons during Game Center games
- Improvements to the engine; now much better at finding optimal checkmates 1.7.5 06/27/2013 - Support for iCloud to synchronize PGN files (requires iOS 6.0 or newer)
- Option to sort saved games alphabetically
- Ability to search PGN files by tChess saved game name
- Feature to revert to a PGN game
- Option to give imported PGN files unique filenames if there's a conflict
- Feature to rename PGN files
- Improvements to the chess engine 1.7.4 02/20/2013 - Support for the iPhone 5's new screen size and iOS 6
- Learn Chess is now full-screen on the iPad
- Option to flip all the pieces when it's black's turn (for two-player games)
- Option to use the hint button to toggle Analysis Mode
- New menu to set defaults for saving and exporting games (default recipient, etc.)
- Saves all rated games to "rated_games.pgn"
- Support for complete Forsyth-Edwards Notation 1.7.3 09/27/2012 - Support for the new iPad's Retina Display
- Optimized 3-D engine (over 3 times faster!)
- Redesigned menu system
- Online play (Game Center) improvements 1.7.2 03/27/2012 - Added support for German, French, Japanese, Korean, and Chinese 1.7.1 11/03/2011 - Added support for turn-based Game Center (new for iOS 5)!
- Added support for annotations in PGN files.
- Updated the interface for selecting PGN files (and removed the 25 file limit). 1.7.0 10/07/2011 - Added Game Center support. Play chess with your friends in real time!!
- Added support for dual-core processors (iPad 2). Enable it in the Settings menu and Analysis Mode will calculate 50-80% faster! 1.6.0 04/28/2011 - Automatically exports all saved games to "saved_games.pgn" (iTunes file sharing)
- Pauses the chess clock when tChess isn't the active app
- Improved compatibility with the PGN file format
- Fixes an orientation/rotation problem with iOS 4.2.1 on the iPad 1.5.6 01/11/2011 New for iOS 3.2 and up:
- Ability to open chess game (PGN) file attachments
- Support for iTunes File Sharing
New for every iOS version:
- Improved variability of opening moves
- New Position Editor options
- New Database options
- New editor for PGN tags
- Exports games as PGN file attachments
- Improved performance for iOS 4 1.5.5 10/19/2010
version 2.0.1
posted on 2025-11-29
- Updated for the latest version of iOS
- Changed the engine to keep searching until it finds the shortest possible checkmate
- Fixed a bug where the animations would become jerky if the app was open for a long time
- Fixed a bug where the saved games would sometimes become invisible
version 2.0.0
posted on 2022-07-03
Jul 3, 2022 Version 2.0.0
- Added a button to rotate the board in the Analyze Game feature
- Added the ability to review your opponent's last move if he requests a takeback
- Added a "Saved Time Controls" feature
- Added a setting to control the sound volume (in the Interface tab)
version 1.9.6
posted on 2020-12-13
Dec 13, 2020 Version 1.9.6
- Fixed a problem with opening PGN attachments
version 1.9.5
posted on 2020-08-26
Aug 26, 2020 Version 1.9.5
- Fixed a bug that was making it difficult to tap the Annotations (pencil) button
version 1.9.4
posted on 2020-08-05
Aug 5, 2020 Version 1.9.4
- Users can now choose to store PGN files in local storage or in iCloud Drive
- Removed the previous system of synchronizing PGN files via iCloud
version 1.9.3
posted on 2020-05-19
May 19, 2020 Version 1.9.3
- Fixed a bug with the "Edit Position" feature
version 1.9.2
posted on 2020-05-17
May 17, 2020 Version 1.9.2
- NOTE: This version removes the old system for playing online games and chatting with online opponents. If you're still playing games using the old system, please finish those games and switch to the new system. (You were told this transition was going to happen more than a year ago.) The new system is called "Play online" and is accessed via the cloud button on the main toolbar.
- Added support for Dark Mode
- Added support for split-screen mode on the iPad
- Increased the size of the opening library to 75,000 moves
version 1.9.1
posted on 2019-04-07
Apr 7, 2019 Version 1.9.1
- Fixed a bug where some "Play online" games could get unsynchronized and stuck
- Added a message to explain that "Play online" games are not necessarily real-time
version 1.8.3
posted on 2008-11-05
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