Event: Combined Banks and Insurance Chess League 2002-03

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Opponent Rating Result
Tomos Nitz 0 0 - 1
Michael R Wiltshire 0 0 - 1
Ian N Heppell 0 0 - 1
Michael Winrow 0 0 - 1
Anthony GC Paish 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-400 = (0 + 400 * (0 - 5)) / 5)

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