| Opponent |
Rating |
Result |
| Barry R Smith |
1539 |
1 - 0 |
| Michael WA Hoare |
1650 |
1 - 0 |
| Simon Walton |
1703 |
½ - ½ |
| Michael WA Hoare |
1650 |
1 - 0 |
| Stanislaw Wojtas |
1811 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1991 = (8353 + 400 * (4 - 0)) / 5)
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