| Opponent |
Rating |
Result |
| Peter Braham |
135 |
½ - ½ |
| Peter Braham |
135 |
½ - ½ |
| Mark Harris |
154 |
½ - ½ |
| Mark Harris |
154 |
½ - ½ |
| Warren B Dennison |
171 |
0 - 1 |
| Warren B Dennison |
171 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
20 = (920 + 400 * (0 - 2)) / 6)
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