Event: Autumn OTB Division 1

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Opponent	Rating	Result
Philip Armstrong	1975	0 - 1
Denis Denisov	1750	1 - 0
Lee O	1525	1 - 0

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

1883 = (5250 + 400 * (2 - 1)) / 3)