Event: IM Brown

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Opponent Rating Result
Stuart M Johnson 117 1 - 0
Norman Carr 99 ½ - ½
Milosz Kasprzyk 99 0 - 1
Howard Brears 122 1 - 0
Peter Braham 142 0 - 1
Zak Tomlinson 149 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

55 = (728 + 400 * (2 - 3)) / 6)

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Opponent Rating Result
Steve Smith 48 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

448 = (48 + 400 * (1 - 0)) / 1)