Event: 1st Cornwall Autumn U1550 2022

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Opponent Rating Result
Rebecca LG Gardiner 1270 ½ - ½
Colin J Gardiner 1399 0 - 1
Ben Barnett 0 1 - 0
Christine F Constable 1455 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

931 = (4124 + 400 * (1 - 2)) / 4)

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