Opponent |
Rating |
Result |
Mark Machin |
60 |
1 - 0 |
George P Jelliss |
73 |
½ - ½ |
Les Hall |
80 |
½ - ½ |
Nigel Gardner |
85 |
0 - 1 |
Kobus Nienaber |
84 |
1 - 0 |
Michael Keenan |
70 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
75 = (452 + 400 * (2 - 2)) / 6)
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