| Opponent |
Rating |
Result |
| Mukasa (Fred) Kaddu |
1660 |
0 - 1 |
| George Hart |
1635 |
1 - 0 |
| Laurie Mackellar |
1690 |
½ - ½ |
| Laurie Mackellar |
1690 |
0 - 1 |
| David Carpenter |
1658 |
1 - 0 |
| David Helps |
1686 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1603 = (10019 + 400 * (2 - 3)) / 6)
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