| Opponent |
Rating |
Result |
| Graham F Botfield |
0 |
1 - 0 |
| Jim Graham |
149 |
0 - 1 |
| Michael Cain |
139 |
½ - ½ |
| Susan E Chadwick |
111 |
0 - 1 |
| Mason Woodhams |
130 |
0 - 1 |
| Ian Goodyer |
118 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-92 = (647 + 400 * (1 - 4)) / 6)
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