Copyright (c) 2003 Martin Windischer 

This game is played on the following 6x6 board. Each player starts with 12 stones off board. 

TURN - On each turn, each player must do one of the following actions: 
Drop an off board stone over a friendly stack.
Move a friendly stack to an (orthogonal or diagonal) adjacent empty cell.
Capture an (orthogonal or diagonal) adjacent enemy stack with exactly one less stone than the moved stack. 
The captured stones are removed from play.
GOAL - A player wins if he moves a stack of size one to the last row.
A player with no stacks of size one, loses.
An example

If white moves first, he can play F4-F5, and black cannot stop him from moving to F5 or F6 next turn. 

If black moves first, he can add a stone to E5 and then he can chase the last white stack of size one until its end (F4-E3, E5-E4, E3-F2, E4-E3, F2-E1, E3-F2, E1-D2, C1-D2).