bool gewonnen(unsigned char Player, const vector& position)
{
	return (feld[0][0] == Player && feld[1][1] == Player && feld[2][2] == Player) || 
		(feld[2][0] == Player && feld[1][1] == Player && feld[0][2] == Player)||
		(feld[position.x][0] == Player && feld[position.x][1] == Player && feld[position.x][2] == Player) ||
		(feld[0][position.y] == Player && feld[1][position.y] == Player && feld[2][position.y] == Player);
}