| Opponent |
Rating |
Result |
| Malcolm K Crane |
1566 |
1 - 0 |
| Malcolm K Crane |
1566 |
1 - 0 |
| David J Faulkner |
1744 |
1 - 0 |
| David J Faulkner |
1744 |
0 - 1 |
| Steven JL Rix |
2057 |
1 - 0 |
| Steven JL Rix |
2057 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1989 = (10734 + 400 * (4 - 1)) / 6)
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