Event: Hillingdon Div X

Opponent Rating Result
Shawn Boby 1204 1 - 0
Darsh Santosh Kumar 1149 ½ - ½
Alexander Horwood 1333 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1495 = (3686 + 400 * (2 - 0)) / 3)

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