Event: Lincoln Rapidplay

Opponent Rating Result
Peter G Sherlock 0 0 - 1
Peter G Sherlock 0 ½ - ½
Ian McDonald 0 0 - 1
John Housego 0 ½ - ½
John Housego 0 ½ - ½
Tom Bertins 0 0 - 1
George West 0 1 - 0
David Lawrence 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-150 = (0 + 400 * (1 - 4)) / 8)

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