| Opponent |
Rating |
Result |
| Tim M Turner |
1909 |
0 - 1 |
| Stephen Crow |
1899 |
|
| Mark I Collinson |
1959 |
|
| Tim M Turner |
1909 |
|
| Stephen Crow |
1899 |
|
| Mark I Collinson |
1959 |
|
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1509 = (1909 + 400 * (0 - 1)) / 1)
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