Event: St Albans Early Knights v Watford Juniors

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Opponent	Rating	Result
Ayden Leung	906	0 - 1
Kostya Vitvitskyi	764	0 - 1

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

435 = (1670 + 400 * (0 - 2)) / 2)