| Opponent |
Rating |
Result |
| Nick Sykes |
1838 |
0 - 1 |
| Robert J Arthurton |
1617 |
0 - 1 |
| Denis Georgiou |
1838 |
0 - 1 |
| Peter G Sherlock |
1554 |
1 - 0 |
| Grenville Wollerton |
1723 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1474 = (8570 + 400 * (1 - 4)) / 5)
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