srp_refactor_example.java

interface Board{
  public void render();
}

interface GameLogic{
  public void startPlayerTurn();
  public boolean winnerFound();
}

class GameCoordinator{
  public void start(GameLogic chess, Board checkeredBoard){
    while(!chess.winnerFound()){
     checkeredBoard.render();
     chess.startPlayerTurn();
    }
  }
}