| Opponent |
Rating |
Result |
| Ralph Barraclough |
1657 |
1 - 0 |
| Ralph Barraclough |
1657 |
1 - 0 |
| John Tate |
1488 |
1 - 0 |
| John Tate |
1488 |
1 - 0 |
| Bill Tait |
1649 |
1 - 0 |
| Bill Tait |
1649 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1998 = (9588 + 400 * (6 - 0)) / 6)
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