| Opponent |
Rating |
Result |
| Joshua P Blackmore |
1918 |
½ - ½ |
| H William Ingham |
1885 |
1 - 0 |
| Michael H Stinton-Brownbridge |
1848 |
½ - ½ |
| Mark Thomas |
1912 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1991 = (7563 + 400 * (1 - 0)) / 4)
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