| Opponent |
Rating |
Result |
| Ian A Clack |
114 |
0 - 1 |
| Tan Husain |
64 |
1 - 0 |
| Steven Apsey |
99 |
0 - 1 |
| R (Bob) Hillman |
71 |
1 - 0 |
| Joyce H Evans |
52 |
1 - 0 |
| David I Buckley |
80 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
213 = (480 + 400 * (4 - 2)) / 6)
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