You are downloading the ChessTactics XAP file v18.104.22.168 for Windows Phone. ChessTactics is a free and fun Card & Board game: For chess players seeking to improve their game, nothing is more helpful than studying chess problems. With over 20,000 problems, the Chess Problems ... You can now download the offline XAP file to install & try it.
Download Locations for ChessTactics 22.214.171.124 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline ChessTactics XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.