Event: IM Brown

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Opponent Rating Result
David Summerland 103 0 - 1
Paul Masiak 88 1 - 0
Barry Williams 115 ½ - ½
R Malcolm Hara 124 0 - 1
Zak Tomlinson 128 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-48 = (558 + 400 * (1 - 3)) / 5)

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