| Opponent |
Rating |
Result |
| Julius Langrehr |
0 |
1 - 0 |
| Julius Langrehr |
0 |
½ - ½ |
| Peter F Mason |
130 |
½ - ½ |
| Robin F Browne |
145 |
0 - 1 |
| Robert Moneagle |
142 |
1 - 0 |
| Robert Moneagle |
142 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
227 = (559 + 400 * (3 - 1)) / 6)
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