| Opponent |
Rating |
Result |
| Jeff R Dawson |
1919 |
0 - 1 |
| Andrew Bowler |
0 |
1 - 0 |
| Samuel Gaffney |
1885 |
1 - 0 |
| Robert S Walker |
1767 |
1 - 0 |
| Jose Pedro Vieira |
1879 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1650 = (7450 + 400 * (3 - 1)) / 5)
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