| Opponent |
Rating |
Result |
| Neville H Twitchell |
1973 |
0 - 1 |
| Ian D Hunnable |
1889 |
0 - 1 |
| Steven JL Rix |
1988 |
0 - 1 |
| Colin R Ramage |
1927 |
0 - 1 |
| James M Robinson |
1860 |
½ - ½ |
| Rayyan Asif |
1400 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1640 = (11037 + 400 * (1 - 4)) / 6)
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