Event: Club Championship Div 1

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Opponent	Rating	Result
Gintare (Gee) Cross	1916	0 - 1
Karl Lockett	1760	1 - 0
David Lambton	1877	0 - 1

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

1718 = (5553 + 400 * (1 - 2)) / 3)