| Opponent |
Rating |
Result |
| Jerry Anstead |
164 |
0 - 1 |
| David JR Barnes |
173 |
1 - 0 |
| Steve Marsland |
170 |
0 - 1 |
| Henry Cove |
170 |
½ - ½ |
| Andrew C Waters |
158 |
1 - 0 |
| David R Heath |
144 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
230 = (979 + 400 * (3 - 2)) / 6)
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