Event: Basildon U1800 Championship 2021/22

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Opponent	Rating	Result
Allan Reid	1713	0 - 1
Steve Higgins	600	1 - 0
Mandar Mane	1285	0 - 1

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

1066 = (3598 + 400 * (1 - 2)) / 3)