| Opponent |
Rating |
Result |
| Alan Richardson |
155 |
0 - 1 |
| Paul McMahon |
173 |
1 - 0 |
| John G Daugman |
156 |
½ - ½ |
| Philip S Fallon |
168 |
0 - 1 |
| Robert L Jones |
146 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
80 = (798 + 400 * (1 - 2)) / 5)
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