Event: Division Two

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Opponent Rating Result
Andrew Medworth 146 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

546 = (146 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
David NL Levy 169 ½ - ½
Isambard Thomas 151 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

160 = (320 + 400 * (0 - 0)) / 2)