| Opponent |
Rating |
Result |
| Pete Leonard |
212 |
0 - 1 |
| Dale H Cullum |
134 |
0 - 1 |
| Rupert W Jones |
151 |
0 - 1 |
| Robert A Dean |
154 |
½ - ½ |
| Robert A Dean |
153 |
1 - 0 |
| John K Holliday |
145 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
25 = (949 + 400 * (1 - 3)) / 6)
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