| Opponent |
Rating |
Result |
| Alun Barker |
40 |
1 - 0(def) |
| Tim M Turner |
161 |
0 - 1 |
| Peter T Perkins |
120 |
½ - ½ |
| Derek A Sheppard |
135 |
0 - 1 |
| David J Gibson |
114 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-68 = (530 + 400 * (0 - 2)) / 4)
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