| Opponent |
Rating |
Result |
| Erwin Wieringa |
0 |
1 - 0 |
| Reuben Litherland |
0 |
0 - 1 |
| Xiaorui Wang |
1263 |
0 - 1 |
| Xiaorui Wang |
1307 |
1 - 0 |
| Robert Shaw |
0 |
1 - 0 |
| Howard Cooper |
0 |
1 - 0 |
| Harry J Taylor |
0 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
539 = (2570 + 400 * (5 - 2)) / 7)
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