Chess Viewer by ChessOpenings.com

Chess Viewer helps you navigate through your chess games in a comfortable, touch-friendly way.

Its designed to be used to view your own PGN files, and there are several ways you can upload your existing files to your iPhone or iPod Touch. You can use iTunes to load your PGN files to the app, or you can add file to the app through "Open in app" if you receive it as mail attachment, or if you use cloud storage app (like Dropbox or SkyDrive).

There are few collections are coming with the app for demo purposes, including Tal Memorial 2013 and all world championship games.

The user interface is designed so it is comfortable to use with touch interface and its optimized for both portrait and landscape device orientations.

App supports variations, comments, evaluations, as well as no limit nested variations.

ChessViewer is an universal app. Buy it once and it runs across iPad, iPhone and iPod Touch, with custom page layouts taking advantage of the large screen.

Organize game collections in folders (swipe item to the right), rename files and folders (press and hold), delete folders and game collections (swipe item to the left).