}
for (int i = k; i --> 0; ) {
double newmu1, newmu2, newsigma1, newsigma2;
compute_new_rating(mu1, sigma1, mu2, sigma2, i, k, newmu1, newsigma1);
compute_new_rating(mu2, sigma2, mu1, sigma1, k, i, newmu2, newsigma2);
printf("%u-%u,%f,%+f,%+f\n",
}
for (int i = k; i --> 0; ) {
double newmu1, newmu2, newsigma1, newsigma2;
compute_new_rating(mu1, sigma1, mu2, sigma2, i, k, newmu1, newsigma1);
compute_new_rating(mu2, sigma2, mu1, sigma1, k, i, newmu2, newsigma2);
printf("%u-%u,%f,%+f,%+f\n",