Copyright (c) 1999 Frank Tapson, Alan Parr
This game is played on the following board (the cells with green dots are called islands):
The Black stone near the island can move into it and the move south to capture the white stone (stones may move twice in one turn).
There's a webpage with the rules and a printable board. This rule set provides the same move and non-mandatory capture range. This tends to diminish the attacks (usually the first to strike will have a disadvantage) producing too much defensive positions. A possible change is to forbid backward moves, so that both armies converge to the three islands. Eventually, a player could also win if he captures 1 or 2 islands and his adversary cannot capture at least that number (because he does not have enough stones).