Shift checkers

This addition to the checker's ruleset can be used with either regular or suicide mode. A player can change sides in a game if he isn't forced to beat an opponent's piece (if he was losing, he starts to win and vice versa). The next change can be done after at least 4 turns.
Jam year: 
2022
Diversifiers: 
20th Century Gaming
Playable Places
Platforms: 
Non-digital game (board game, card game, physical game, sport, etc.)
Game Tags: 
Strategy