Event: Roger Goldsmith Div 2

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Opponent Rating Result
Z Zia Mohammed Quader 161 0 - 1
Adam Redstone 118 ½ - ½
Oded Pilowsky Bankirer 145 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-125 = (424 + 400 * (0 - 2)) / 3)

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