| Opponent |
Rating |
Result |
| Richard L Bowman |
1828 |
½ - ½ |
| Richard L Bowman |
1828 |
0 - 1 |
| John K Holliday |
1635 |
1 - 0 |
| John K Holliday |
1635 |
1 - 0 |
| Mike Bramson |
1963 |
1 - 0 |
| Mike Bramson |
1963 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
2009 = (10852 + 400 * (4 - 1)) / 6)
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