| Opponent |
Rating |
Result |
| Peter J Collicott |
112 |
0 - 1 |
| Ken Lunn |
115 |
0 - 1 |
| Trevor Wright |
75 |
½ - ½ |
| Patrick Glason |
71 |
1 - 0 |
| Bernard Ross |
68 |
0 - 1 |
| Raf Calumpiano |
63 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
17 = (504 + 400 * (2 - 3)) / 6)
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