Event: Silver Rook

Opponent Rating Result
Steve Westmoreland 0 ½ - ½
John Grasham 0 1 - 0
John Hipshon 0 1 - 0
Richard White 0 1 - 0
Brendan Briggs 0 1 - 0
Robert A South 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

333 = (0 + 400 * (5 - 0)) / 6)

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Opponent Rating Result
Andrew Zigmond 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

400 = (0 + 400 * (1 - 0)) / 1)