| Opponent |
Rating |
Result |
| David H Warrick |
107 |
½ - ½ |
| James C Robertson |
100 |
1 - 0 |
| William Stock |
119 |
½ - ½ |
| John D Kimber |
119 |
0 - 1 |
| Duncan RJ Marsh |
100 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
189 = (545 + 400 * (2 - 1)) / 5)
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