Legendary · Main mutator · Unlock level 29
After your 10th move, the king and original queen on the affected side try to swap places. If the swap is not safe, it waits and tries again after later moves. A successful swap uses no turn. The check repeats every 10 moves.
Rule variants
A campaign Extra variant changes the main mutator rule. It is separate from an additional side mutator.
Base variant
Main mutatorAfter your 10th move, the king and original queen on the affected side try to swap places. If the swap is not safe, it waits and tries again after later moves. A successful swap uses no turn. The check repeats every 10 moves.
After your 10th move, the king and original queen on the affected side try to swap places. If the swap is not safe, it waits and tries again after later moves. A successful swap uses no turn. The check repeats every 10 moves.
Extra variant
Changed main ruleAfter your 7th move, the king and original queen on the affected side try to swap places. If the swap is not safe, it waits and tries again after later moves. A successful swap uses no turn. The check repeats every 7 moves.
After your 7th move, the king and original queen on the affected side try to swap places. If the swap is not safe, it waits and tries again after later moves. A successful swap uses no turn. The check repeats every 7 moves.
Affected side: Your side
After your 7th move, the king and original queen on your side try to swap places. If the swap is not safe, it waits and tries again after later moves. A successful swap uses no turn. The check repeats every 7 moves.
Affected side: Enemy side
After your 7th move, the king and original queen on the enemy try to swap places. If the swap is not safe, it waits and tries again after later moves. A successful swap uses no turn. The check repeats every 7 moves.
Strategy notes