| Opponent |
Rating |
Result |
| Brian W Williamson |
1364 |
1 - 0 |
| Kenneth Keeler |
1405 |
1 - 0 |
| Michael H Micklethwaite |
1675 |
½ - ½ |
| Harry J Sharples |
1719 |
1 - 0 |
| Colin G Gregory |
1529 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1858 = (7692 + 400 * (4 - 0)) / 5)
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