| Opponent |
Rating |
Result |
| Joe Varley |
155 |
1 - 0 |
| David E Lord |
169 |
½ - ½ |
| Phil Bawden |
149 |
½ - ½ |
| Chris J Matthews |
147 |
1 - 0 |
| John Thackray |
166 |
1 - 0 |
| Joe Varley |
156 |
1 - 0 |
| Alec Grice |
138 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
440 = (1080 + 400 * (5 - 0)) / 7)
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