Event: South Cheshire Shield

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Opponent Rating Result
Neville Layhe 1638 0 - 1
Jon EW Blackburn 1674 ½ - ½
Julian P Cook 1388 1 - 0
Lea Podmore 1416 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1529 = (6116 + 400 * (1 - 1)) / 4)

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