| Opponent |
Rating |
Result |
| John E Sugden |
1523 |
1 - 0 |
| Neil Hambly |
1456 |
0 - 1 |
| Phil H Crook |
1579 |
½ - ½ |
| Ronald Botham |
1120 |
½ - ½ |
| Mark Robinson |
1345 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1325 = (7023 + 400 * (1 - 2)) / 5)
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