Event: Division 2

Opponent Rating Result
Simon C Moth 1792 ½ - ½
Alexandr Pereslavtsev 1722 0(def) - 1
Neville H Twitchell 1965 ½ - ½
Stephen Coughlan 1975 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1911 = (5732 + 400 * (0 - 0)) / 3)

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