Event: South Cheshire Shield

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Opponent Rating Result
Chris Rhodes 119 1 - 0
Julian Bulbeck 99 0 - 1
John Lightfoot 95 ½ - ½
Les Hall 90 1 - 0
Simon Layhe 116 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

184 = (519 + 400 * (2 - 1)) / 5)

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