Event: Division One

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Opponent Rating Result
Richard W Smith 165 ½ - ½
Kevin Hurney 177 ½ - ½
David J Pritchard 173 ½ - ½
Jonathan Dale 156 1 - 0
Jim Barrett 131 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

320 = (802 + 400 * (2 - 0)) / 5)

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Opponent Rating Result
Robert Glass 154 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

554 = (154 + 400 * (1 - 0)) / 1)