A Reversi program for serious players looking for tough opponent. For expert players, this full version has 4 more stronger levels than the Lite version, with larger opening book for the upper two levels, games can be saved, and no advertisement.
* This App is functionally same as Paid upgrade in the Lite version.

- Level 5 uses Richard Derome's Edax engine with further optimization in native code.
Edax Level is adjustable in Settings.
Edax is licensed under GPL3. Source code is available on https://github.com/okuhara/edax-reversi-AVX.
- Level 4 and 5 uses the Unified Book 2010, assembled from several strong opening books on the internet.
See http://www.amy.hi-ho.ne.jp/okuhara/edax.htm (in Japanese) for details.