| Opponent |
Rating |
Result |
| Dale H Cullum |
149 |
½ - ½ |
| Neville R Pearce |
133 |
1 - 0 |
| Peter Rawcliffe |
141 |
1 - 0 |
| Steve Parker |
163 |
1 - 0 |
| Jim E Vickery |
169 |
½ - ½ |
| Geoff Frost |
167 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
420 = (922 + 400 * (4 - 0)) / 6)
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