Event: Club Challengers

Opponent Rating Result
Madhurima De 1328 1 - 0
Brian R Jeffery 1914 0 - 1
Graham R Jones 1525 ½ - ½
Chris Jones 1602 1 - 0
Yosif A Antonov 1639 1 - 0(def)
Stephen Livermore 1746 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1623 = (8115 + 400 * (2 - 2)) / 5)

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