| Opponent |
Rating |
Result |
| Richard O Callis |
139 |
0 - 1 |
| Milosz Kasprzyk |
126 |
1 - 0(def) |
| Harry Welsh |
40 |
1 - 0 |
| Esmond Harding |
74 |
1 - 0 |
| David P Thrun |
79 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
83 = (332 + 400 * (2 - 2)) / 4)
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