| Opponent |
Rating |
Result |
| Lee R Osmon |
1336 |
½ - ½ |
| Archie Kilbane |
1400 |
0 - 1 |
| Lee R Osmon |
1375 |
1 - 0 |
| Bernard Ross |
1283 |
0 - 1 |
| Raf Calumpiano |
1334 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1186 = (6728 + 400 * (1 - 3)) / 5)
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