Event: Camborne Club QP 3 2022-23

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Opponent	Rating	Result
Joel Needham	0	1 - 0
John James	1217	1 - 0
Philip J Williams	1630	½ - ½
Percy TP Gill	1837	½ - ½
Ian M George	1927	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1562 = (6611 + 400 * (3 - 0)) / 5)