| Opponent |
Rating |
Result |
| Tony B Packham |
160 |
1 - 0 |
| Peter R Wood |
163 |
½ - ½ |
| Jim A Johnson |
178 |
1 - 0 |
| Sydney J Jacob |
163 |
1 - 0 |
| Humphrey CN Jones |
105 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
474 = (769 + 400 * (4 - 0)) / 5)
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