Event: Division Six

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Opponent Rating Result
Des J Green 49 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-351 = (49 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Andy Tipper 88 0 - 1
Graham Woodward 77 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-118 = (165 + 400 * (0 - 1)) / 2)