Event: Easter Rapidplay

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Opponent Rating Result
Joseph Machin 1429 0 - 1
Harris Wilson 1219 0 - 1
Freddie Dawson 0 1 - 0
Daniel Ayre 885 1 - 0
Tristan Green 1349 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

976 = (4882 + 400 * (2 - 2)) / 5)

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