Event: Division One

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Opponent Rating Result
Tryfon C Gavriel 209 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

209 = (209 + 400 * (0 - 0)) / 1)

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Opponent Rating Result
David Amior 160 1 - 0
Simon Randall 180 1 - 0
Andrew Medworth 146 1 - 0
Nigel Fleming 181 ½ - ½
Simon Wilks 193 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

332 = (860 + 400 * (3 - 1)) / 5)