| Opponent |
Rating |
Result |
| Richard A Balatoni |
1618 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1218 = (1618 + 400 * (0 - 1)) / 1)
Back
performance = (sum(opponents ratings) + 400(wins-losses)) / games
0 = (0 + 400 * (0 - 0)) / 0)