#include <omp.h>

    #pragma omp parallel num_threads(N_Threads) shared(points,Bot_Names,games)
    while(!stop){
        double winner{Play_Round(Bot_Names)};
        #pragma omp atomic
        points[0]+=winner;
        ...
        #pragma omp critical
        cout << "Wins:" << setprecision(4) << 100*p << "+-" << 100*sigma << "% Rounds:" << games << " Draws:" << draws << " " << better*100 << "% chance that " << Bot_Names[0] << " is better" << endl;
    }