| Opponent |
Rating |
Result |
| Karol Grzybowski |
146 |
0 - 1 |
| Simon Layhe |
134 |
1 - 0 |
| Derek H Northage |
105 |
½ - ½ |
| David Millington |
126 |
½ - ½ |
| Neville Layhe |
126 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
47 = (637 + 400 * (1 - 2)) / 5)
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