Event: Division One

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Opponent Rating Result
Henrik Stepanyan 194 0 - 1
Dale Jackson 159 1 - 0
Tim A Lane 157 ½ - ½
Martin D Smyth 167 1 - 0
Tim A Lane 157 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

247 = (834 + 400 * (2 - 1)) / 5)

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Opponent Rating Result
Richard W Smith 165 ½ - ½
Mike Hadley 159 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

162 = (324 + 400 * (0 - 0)) / 2)