| Opponent |
Rating |
Result |
| Adam Hart-Davis |
129 |
1 - 0 |
| Adam Hart-Davis |
129 |
½ - ½ |
| Anthony Tatam |
94 |
1 - 0 |
| Anthony Tatam |
94 |
1 - 0 |
| Robert G Wilby |
137 |
½ - ½ |
| Robert G Wilby |
137 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
320 = (720 + 400 * (3 - 0)) / 6)
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