Move one square forward (if empty), capture enemy stones one square diagonal forward (like Chess pawns).
Black soldiers
Move one square diagonal forward (if empty), capture enemy stones one square forward (like Berolina pawns).
Promotion
When regular soldiers stone reaching last rank, they promote to inverted soldiers.
When inverted soldiers reaching first rank, they promote to soldiers.
Inverted White soldiers
Move one square are backward (if empty), capture enemy stones one square diagonal backward.
Inverted black soldiers
Move one square diagonal backward (if empty), capture enemy stones one square backward.
GOAL
Wins the player that captures all enemy stones, or stalemates the opponent.