| Opponent |
Rating |
Result |
| Harry J Sharples |
1777 |
0 - 1 |
| Christopher Exton |
1067 |
0 - 1 |
| Leon A Garfield |
1456 |
1 - 0 |
| Colin G Gregory |
1529 |
0 - 1 |
| Brian W Williamson |
1396 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1365 = (7225 + 400 * (2 - 3)) / 5)
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