Event: League Division 1

Opponent Rating Result
David Wells 1856 0 - 1
Dale H Cullum 1821 ½ - ½
Clive W Davies 1867 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1848 = (5544 + 400 * (1 - 1)) / 3)

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