Opponent |
Rating |
Result |
Thomas Ash |
1642 |
0 - 1 |
Thomas Merchant |
1368 |
½ - ½ |
Thomas Ash |
1724 |
0 - 1 |
Richard Collis |
1486 |
1 - 0 |
Thomas Merchant |
1603 |
1 - 0 |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1565 = (7823 + 400 * (2 - 2)) / 5)
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