| Opponent |
Rating |
Result |
| Michael JM Rose |
0 |
0 - 1 |
| Michael N Jones |
0 |
0 - 1 |
| R England |
0 |
1 - 0 |
| John Friend |
0 |
0 - 1 |
| Eric Lovegrove |
0 |
0 - 1 |
| Brendan Whitworth |
0 |
0 - 1 |
| Martin Lake |
0 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-229 = (0 + 400 * (1 - 5)) / 7)
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