Event: Easter 2023 u-1400 rapidplay

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Opponent Rating Result
Thomas Awcock 0 0 - 1
Akshay Mandalia 938 0 - 1
Denisz Demjan 1370 ½ - ½
William Adam 1213 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

780 = (3521 + 400 * (1 - 2)) / 4)

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