Event: Camborne Club QP 3 2022-23

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Opponent	Rating	Result
Jeff J Nicholas	1751	0 - 1
Ashley Jones	1402	1 - 0
Ben Palmer	0	0 - 1
Bryan Jones	1616	0 - 1
Isaac Anthony	1321	1 - 0

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

1138 = (6090 + 400 * (2 - 3)) / 5)