Event: Division A

Opponent Rating Result
John G Cooper 1953 ½ - ½
Hambel M Willow 1868 1 - 0
Alan Giles 1881 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2167 = (5702 + 400 * (2 - 0)) / 3)

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