Event: Division 2

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Opponent Rating Result
Sam Walmsley 0 ½ - ½
Ray Sutcliffe 0 0 - 1
Colin Knight 0 0 - 1
Sam Walmsley 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-300 = (0 + 400 * (0 - 3)) / 4)

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Opponent Rating Result
Terry Sullivan 113 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

113 = (113 + 400 * (0 - 0)) / 1)