Opponent |
Rating |
Result |
David Callaghan |
0 |
1 - 0 |
Steve Collins |
0 |
1 - 0 |
Andrew Zigmond |
0 |
0 - 1 |
Alastair Mackenzie |
0 |
0 - 1 |
Kongzhu Zheng |
0 |
0 - 1 |
Jeff Dutton |
0 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-133 = (0 + 400 * (2 - 4)) / 6)
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