Event: Rolls-Royce Club Comp 2019-20

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Opponent	Rating	Result
Andrew Stevens	0	0 - 1
Barry W Lings	99	½ - ½
Shish Ganapathi	51	1 - 0

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

50 = (150 + 400 * (1 - 1)) / 3)