| Opponent |
Rating |
Result |
| Colin G Gregory |
119 |
0 - 1 |
| I Redmond |
80 |
1 - 0 |
| Eddie Ridley |
75 |
1 - 0 |
| Graeme Boxall |
93 |
1 - 0 |
| John L Clarke |
98 |
1 - 0 |
| John Heath |
75 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
357 = (540 + 400 * (5 - 1)) / 6)
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