| Opponent |
Rating |
Result |
| Jim Davis |
1908 |
1 - 0 |
| W (Bill) Ward |
1701 |
½ - ½ |
| John Trafford |
1965 |
½ - ½ |
| Daniel J Clayton |
1718 |
0 - 1 |
| Nigel Baxendale |
1591 |
½ - ½ |
| Ken A McIntosh |
1825 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1718 = (10708 + 400 * (1 - 2)) / 6)
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