Event: Baum Trophy summer league

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Opponent Rating Result
Ben Harte 1629 0 - 1
Ken W Clow 1713 1 - 0
Philip Staniland 1895 0 - 1
Ken W Clow 1713 0 - 1
Philip Staniland 1895 1 - 0
Ben Harte 1629 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1612 = (10474 + 400 * (2 - 4)) / 6)

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Opponent Rating Result
Stephen John Palmer 100 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-300 = (100 + 400 * (0 - 1)) / 1)