Event: Cornwall Online League

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Opponent Rating Result
Stephen Pearce 0 ½ - ½
Richard Nancarrow 0 ½ - ½
Ian Renshaw 0 ½ - ½
John James 0 ½ - ½
Simon Jenkins 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

80 = (0 + 400 * (1 - 0)) / 5)

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