Fixed minor bug
This is a reversi game where you can play and learn with the advice of an AI, Prof. Reversi.
The AI uses state-of-the-art deep learning algorithms. It is quite strong. By playing while receiving advice from Prof. Reversi, even if you are a beginner, you can efficiently strengthen your Reversi skill.
After defeating the three levels of practice AI, you can challenge Prof. Reversi. Prof. Reversi is very very strong. If you are confident in your skill, try to beat Prof. Reversi!
