Event: Bill Lumley Rapidplay

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Opponent	Rating	Result
Alec Ward	205	0 - 1
Amin Hossain	0	1 - 0
Richard Caufield	0	1 - 0

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

202 = (205 + 400 * (2 - 1)) / 3)