Event: Combined Banks and Insurance Chess League 2008-09

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Opponent Rating Result
Michael JM Rose 0 0 - 1
V Ray Harper 0 0 - 1
Bertrand A Barlow 0 0 - 1
David L Barrett 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-300 = (0 + 400 * (0 - 3)) / 4)

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