| Opponent |
Rating |
Result |
| Ivan J Myall |
1994 |
1 - 0 |
| David S Tucker |
1986 |
0 - 1 |
| D Ian Calvert |
1993 |
½ - ½ |
| John C Moore |
1970 |
½ - ½ |
| Andrew Hayler |
1961 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1981 = (9904 + 400 * (1 - 1)) / 5)
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