Event: Rook 2019-20

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Opponent Rating Result
Lucy Bennet-Stevens 165 ½ - ½
Chris W Heath 158 ½ - ½
Alex B Taylor 160 0 - 1
Ian S Comley 154 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

159 = (637 + 400 * (1 - 1)) / 4)

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