| Opponent |
Rating |
Result |
| Fraser A Lees |
1986 |
0 - 1 |
| Ivan J Myall |
1996 |
½ - ½ |
| Martin G Smith |
1949 |
1 - 0 |
| Edgar Wilson |
1979 |
½ - ½ |
| Fraser A Lees |
1986 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1979 = (9896 + 400 * (1 - 1)) / 5)
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