| Opponent |
Rating |
Result |
| Marcin Skopinski |
127 |
0 - 1 |
| Andy Ross |
138 |
1 - 0 |
| Frank T Sheldrick |
143 |
0 - 1 |
| Anthony Ibbitson |
145 |
½ - ½ |
| Dale H Cullum |
134 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-23 = (687 + 400 * (1 - 3)) / 5)
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