Event: Division One

Opponent Rating Result
Charles ES Bullock 2001 0 - 1
Colin J Lyne 1849 ½ - ½
Remi GJ Tailleux 2081 1 - 0
Andrew MJ Robbings 1949 0 - 1
Miroslawa Litwiniec 1856 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1947 = (9736 + 400 * (2 - 2)) / 5)

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