| Opponent |
Rating |
Result |
| Monika Hosker |
0 |
0 - 1 |
| Monika Hosker |
0 |
0 - 1 |
| David Gray |
48 |
1 - 0 |
| David Gray |
48 |
1 - 0 |
| Ian S Comley |
143 |
0 - 1 |
| Ian S Comley |
143 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-70 = (382 + 400 * (2 - 4)) / 6)
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