Event: Camborne club championship 2022/23

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Opponent	Rating	Result
Bryan Jones	1613	½ - ½
Robin FG Kneebone	1983	0 - 1
Ian M George	1909	0 - 1

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

1568 = (5505 + 400 * (0 - 2)) / 3)