To resolve a duel, the stones on the duel space are turned face up so that the winner can be determined. Afterwards, the stones are returned to their face down positions. While playing this variant two stones with the same value can be placed on the same space. If this happens and that space is chosen for a duel, then the duel is declared a draw and neither side wins. Players are not allowed to examine the value of stones while exchanging them.
All duel stones lie face up on the table.
Players are allowed to place either their own stones or their opponents stones during the placement phase. Apart from the first and last turn, two stones are placed each turn. This could be two of your own stones, two of your opponents, or one of each. During the exchange phase, players may either move two of their own duel stones or two of their opponents stones. Alternatively, you might also allow more than one stone of each color on the same space.