Event: Norfolk and Norwich Championship

Opponent Rating Result
Matthew Carter 1741 1 - 0
Vivash Samarakoon 2142 0 - 1
Slobodan Svircevic 1880 ½ - ½
Daniel Onaiwu 1850 1 - 0
Stephen LA Orton 2102 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1943 = (9715 + 400 * (2 - 2)) / 5)

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