Event: South East London Grand Prix LJCC Qualifier 4 Sept 2022 U10

Opponent Rating Result
Lorrin Zhao 0 1 - 0
Matthew Helsby 1093 0 - 1
James Jackson 824 ½ - ½
Sebastian McBride 708 1 - 0
Junyi Zhang 1659 0 - 1
Elena Grasso 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

714 = (4284 + 400 * (2 - 2)) / 6)

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