Using this app you can open collections of chess problems in OLV format that you can download for free from Yet Another Chess Problem Database (www.yacpdb.org) so you can enjoy or study these problems wherever you are.

This app features:
- Open OLV files.
- Browse through all the chess problems in the files.
- See all the problems quickly as a list.
- Mark certain problems as favorites and organize them into separate folders.
- Support for fairy chess pieces and conditions.

Feedback is welcome for future improvements.