| Opponent |
Rating |
Result |
| David A Tidmarsh |
130 |
1 - 0 |
| Stephen D Blewitt |
156 |
1 - 0 |
| David A Page |
144 |
1 - 0 |
| Nigel Osina |
91 |
1 - 0 |
| Chris Marshall |
146 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
453 = (667 + 400 * (4 - 0)) / 5)
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