Event: Epsom Gunpowder Blitz

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Opponent Rating Result
Andrew Coppin 0 1 - 0
Peter G Large 0 0 - 1
Haris Nisic 0 0 - 1
David Flewellen 0 1 - 0
Maya Keen 0 1 - 0
Peter N Lee 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

67 = (0 + 400 * (3 - 2)) / 6)

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