Event: Division One

Opponent Rating Result
Mark Payne 1812 0 - 1
Charles ES Bullock 1962 ½ - ½
Roger D de Coverly 1920 0 - 1
Volodymyr Mylovanov 1879 0 - 1
Charles ES Bullock 1988 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1752 = (9561 + 400 * (1 - 3)) / 5)

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