| Opponent |
Rating |
Result |
| Kenneth Keeler |
1405 |
0 - 1 |
| Brian W Williamson |
1364 |
½ - ½ |
| Colin G Gregory |
1595 |
0 - 1 |
| Leon A Garfield |
1377 |
0 - 1 |
| Christopher Exton |
1112 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1211 = (6853 + 400 * (1 - 3)) / 5)
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