Uragaeshi is a Japanese name for 8×8 reversi game that originated in England.
【How to play】
1. This game competes for the number of discs. Players can flip opponent's discs by sandwiching.
2. The handicap is RankDifference×10 (maximum 60).
3. Players can rank up by 100 points.
4. Abbreviations used in the game.
5. Please see also the Q&A.