private Position old = null;
///initialise les joueurs
public CheckerModel(int mode, int level)
{
this.mode = mode;
if( this.mode == 0) { plyr1 = new Player("moise",22,'w'); cplyr = new CPlayer('b', level); }
else if(this.mode == 1) { plyr1 = new Player("moise",22,'w'); plyr2 = new Player("marc",22,'b'); }
}