This game is a variant of Attangle.

Initially the players place 3 of their pieces according to the following figure:

Initial setup.
7 specially marked spaces (called “voids”) act like the center space of standard Attangle, i.e. no pieces can be placed there, capture moves across these spaces are allowed though.
This version: September 20, 2009
This work is licensed under a Attribution-Noncommercial 3.0 License.
http://creativecommons.org
/licenses/by-nc/3.0/
This means that you are free to copy and use these rules, but you must include the designer’s name (Dieter Stein) and a link back to the website (spielstein.com) if you publish them.
Unless otherwise agreed, commercial use is disallowed.