| Opponent |
Rating |
Result |
| Iris A Davies |
78 |
1 - 0 |
| Alan R Fraser |
98 |
½ - ½ |
| Yifan Luo |
78 |
1 - 0 |
| Brian L Case |
82 |
0 - 1 |
| Maxamillian John |
100 |
1 - 0 |
| Nigel Threadgold |
64 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
150 = (500 + 400 * (3 - 2)) / 6)
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