Event: South Cheshire Shield

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Opponent Rating Result
Amy Lovatt 90 1 - 0
Richard Renegade 90 ½ - ½
Andrew Barker 105 ½ - ½
Chris Rhodes 127 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

303 = (412 + 400 * (2 - 0)) / 4)

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