Event: 3rd Cornwall Online League

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Opponent Rating Result
Ian Renshaw 0 0 - 1
Geoffrey W Lingard 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-400 = (0 + 400 * (0 - 2)) / 2)

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Opponent Rating Result
Martin Pope 0 1 - 0
Barry B Childs 0 ½ - ½
Geoffrey W Lingard 1733 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

578 = (1733 + 400 * (1 - 1)) / 3)