Event: Easter Billingham Synthonia Quick Play 20/04/22

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Opponent	Rating	Result
Nick Tadd	1184	1 - 0
Luke Londesbrough	1769	0 - 1

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

1477 = (2953 + 400 * (1 - 1)) / 2)