| Opponent |
Rating |
Result |
| Tristram DP De Piro |
1912 |
½ - ½ |
| Richard CP Freeman |
1939 |
0 - 1 |
| Ian J Clarke |
1966 |
1 - 0 |
| Bruce L Baer |
2068 |
½ - ½ |
| Graham Bolt |
2037 |
0 - 1 |
| Guy Wagner |
1861 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1831 = (11783 + 400 * (1 - 3)) / 6)
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