Event: Basildon U1800 Championship 2021/22

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Opponent	Rating	Result
Keve Somogyi	1400	1 - 0
Andrew Daniel	1510	1 - 0
Steve Higgins	600	1 - 0

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

1570 = (3510 + 400 * (3 - 0)) / 3)