PF = getPosition(e.getX(), e.getY());
// System.out.println("pi : " + PI + "pf " + PF);
DeplacementEtat et = eq.getDeplacementEtat(PI, PF);
if (!PI.equals(PF)) {
String labelText = eq.getPieceAt(PI).getClass().getSimpleName()
+ " " + eq.getPieceAt(PI).getCouleur() + " se déplace de ("
+ PI.getX() + ", " + PI.getY() + ")" + " a (" + PF.getX()