Event: Division 1

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Opponent Rating Result
Mark Broom 2132 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1732 = (2132 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Geoffrey H James 2062 ½ - ½
James C Mansson 2084 0 - 1
Alec Hedger 1973 ½ - ½
Ted Filby 1869 0 - 1
Tim Pavlovic 1740 1 - 0
Michael Hayward 1638 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1894 = (11366 + 400 * (2 - 2)) / 6)