| Opponent |
Rating |
Result |
| Robin F Browne |
140 |
0 - 1 |
| Dave Colledge |
141 |
0 - 1 |
| Ian Goater |
0 |
1 - 0 |
| Andrew Bland |
121 |
½ - ½ |
| Derrick J Mason |
95 |
0 - 1 |
| David Webster |
70 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
28 = (567 + 400 * (2 - 3)) / 6)
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