Event: South Cheshire Shield

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Opponent Rating Result
James Marshall 101 ½ - ½
Neville Layhe 144 0 - 1
Peter FK Evans 90 1 - 0
James Topp 102 1 - 0
Simon Layhe 117 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

191 = (554 + 400 * (2 - 1)) / 5)

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