Event: Championship 2022

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Opponent	Rating	Result
Samuel J Playford	1642	1 - 0
Matt Jones	1712	½ - ½
Neil Griffiths	1660	1 - 0
Clive W Davies	1862	0 - 1

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

1819 = (6876 + 400 * (2 - 1)) / 4)