| Opponent |
Rating |
Result |
| Ed Stembridge |
2036 |
½ - ½ |
| Norman A Hutchinson |
1923 |
0 - 1 |
| Dan Waller |
2150 |
0 - 1 |
| Trevor Robbins |
1879 |
0 - 1 |
| Norman A Hutchinson |
1945 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1667 = (9933 + 400 * (0 - 4)) / 5)
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