| Opponent |
Rating |
Result |
| Michael H Stinton-Brownbridge |
153 |
0 - 1 |
| Michael H Stinton-Brownbridge |
153 |
1 - 0 |
| Robert G Wilby |
137 |
1 - 0 |
| Robert G Wilby |
137 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
145 = (580 + 400 * (2 - 2)) / 4)
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