| Opponent |
Rating |
Result |
| Brian P Donnelly |
173 |
0 - 1 |
| Brian P Donnelly |
173 |
0 - 1 |
| Roger Waddingham |
107 |
1 - 0 |
| Roger Waddingham |
107 |
1 - 0 |
| W John Marshall |
127 |
0 - 1 |
| W John Marshall |
127 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
69 = (814 + 400 * (2 - 3)) / 6)
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