| Opponent |
Rating |
Result |
| Joseph A Coburn |
0 |
0 - 1 |
| Roy E Ashmore |
0 |
0 - 1 |
| Ted Black |
0 |
0 - 1 |
| Robin Atkins |
0 |
½ - ½ |
| Sam J Murphy |
0 |
1 - 0 |
| John M Wiseman |
0 |
0 - 1 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-200 = (0 + 400 * (1 - 4)) / 6)
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