| Opponent |
Rating |
Result |
| John Regan |
104 |
0 - 1 |
| Marvin Carbin |
0 |
½ - ½ |
| Patrick N Coleman |
104 |
1 - 0 |
| David E Aspinall |
140 |
0 - 1 |
| Raymond J Pomeroy |
109 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
11 = (457 + 400 * (1 - 2)) / 5)
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