Event: Silver Rook

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Opponent Rating Result
Norman Carr 100 0 - 1
Ben Emmerson 109 1 - 0
Steve Gombocz 93 1 - 0
Roy Thomas 102 0 - 1
Philip May 98 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

100 = (502 + 400 * (2 - 2)) / 5)

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