Event: Combined Banks and Insurance Chess League 2007-08

Opponent Rating Result
Michael J (deceased) Silverman 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

400 = (0 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
David L Barrett 0 ½ - ½
Brendan Keenan 0 0 - 1
Stuart A Farnan 0 0 - 1
Bertrand A Barlow 0 1 - 0
Alan F Jackson 0 ½ - ½
Alan Freedman 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

0 = (0 + 400 * (2 - 2)) / 6)