| Opponent |
Rating |
Result |
| George Leach |
121 |
1 - 0 |
| Keith Marsh |
127 |
1 - 0 |
| Werner Rieser |
100 |
1 - 0 |
| David Halpin |
61 |
1 - 0 |
| Peter Cooper |
150 |
0 - 1 |
| Steve A Spencer |
119 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
313 = (678 + 400 * (4 - 1)) / 6)
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