Event: MID En Passant Cup

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Opponent Rating Result
David R Heath 146 ½ - ½
Martin R Taylor 222 0 - 1
Hugh G Tassell 145 1 - 0
Keith G Hyde 162 1 - 0
Hugh G Tassell 145 1 - 0
Arnaud Wisman 155 1 - 0
Chris Marshall 146 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

389 = (1121 + 400 * (5 - 1)) / 7)

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