| Opponent |
Rating |
Result |
| Martin G Walker |
2228 |
|
| Martin G Walker |
2228 |
|
| Roy Hughes |
2033 |
|
| Roy Hughes |
2033 |
0 - 1 |
| Carl Purkiss |
1577 |
|
| Carl Purkiss |
1577 |
|
| Olly Shaw |
1540 |
|
| Olly Shaw |
1540 |
|
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1633 = (2033 + 400 * (0 - 1)) / 1)
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