public boolean isCorrectTurn(int x, int y) {
        
        if(!isOnMap(x, y)) {
            return false;
        }
        
        if(map[x][y].status == ServerGameMapCell.SURROUNDED_OPT) {
            return false;
        }
        
        if(map[x][y].owner != ServerGameMapCell.WITHOUT_OWNER_OPT) {
            return false;
        }
        
        return true;
    }