Event: Internal Rapidplay Jan2

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Opponent	Rating	Result
Freddie Dawson	0	0 - 1
Zhuoyi Lin	0	0 - 1
Daniel Ayre	893	1 - 0

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

164 = (893 + 400 * (1 - 2)) / 3)