| Opponent |
Rating |
Result |
| Robert H Willoughby |
125 |
0 - 1 |
| Jonah Tomsett |
74 |
0 - 1 |
| Charles H Martin |
102 |
½ - ½ |
| Simon Parham |
72 |
1 - 0 |
| Michael James |
33 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
81 = (406 + 400 * (2 - 2)) / 5)
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