Event: South Cheshire Shield

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Opponent Rating Result
Roger Coleman 1279 1 - 0
Thomas Bailey 1374 0 - 1
Jamie Roberts 1450 ½ - ½
Rob Aked 1310 1 - 0
Pawel Stanny 1385 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1360 = (6798 + 400 * (2 - 2)) / 5)

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