Event: Essex Online U100 Championship LIVE

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Opponent Rating Result
Markos Mouratidis 61 ½ - ½
Dinil Siriwardana 44 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

53 = (105 + 400 * (0 - 0)) / 2)

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Opponent Rating Result
David R Wilson 0 0 - 1
Bernard S Chalk 0 1 - 0(def)
Rezin C Catabay 145 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-328 = (145 + 400 * (0 - 2)) / 2)