Event: Camborne club blitz 1 2022/23

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Opponent	Rating	Result
Philip J Williams	0	1 - 0
Colin Sellwood	1787	0 - 1
Peter Doubleday	1413	1 - 0

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

1200 = (3200 + 400 * (2 - 1)) / 3)