for(int i = 0; i < board.size(); i++){
        for(int j = 0; j < board.size(); j++){
            if (board[i][j] == _pin){
                pinsatend=1;
                for(int k = 0; k < 3; i++){
                    for(int l = 0; l < 3; j++){
                        if(board.at(i+k).at(j+l) == _pin || (i != 1 && j != 1)){

                    //while()-- eingabe start ziel usw.
                }else{
                            string name;
                            cout << "Bitte Namen eingeben: " << name;
                            addToHighscore(pinsatend, name);
                            printHighscore();
                            cleanup();
}