Event: Camborne club blitz 1 2022/23

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Opponent	Rating	Result
Colin Sellwood	1787	0 - 1
Ben Barnett	0	1 - 0
Ian M George	1945	0 - 1
Peter Doubleday	1413	1 - 0
Jamie Morgan	1847	1 - 0

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

1478 = (6992 + 400 * (3 - 2)) / 5)