Event: Rook 2018-19

Opponent Rating Result
David N Roberts 166 0 - 1
Lucy Bennet-Stevens 172 ½ - ½
Chris W Heath 157 ½ - ½
W John Marshall 143 1 - 0
Philip M Stimpson 168 ½ - ½
Paul Richardson 145 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

225 = (951 + 400 * (2 - 1)) / 6)

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