Event: Division 1

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Opponent Rating Result
Patrick Baker 129 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

129 = (129 + 400 * (0 - 0)) / 1)

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Opponent Rating Result
Chris Haynes 139 ½ - ½
Jonathan Fowler 165 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-48 = (304 + 400 * (0 - 1)) / 2)