Event: Silver Rook

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Opponent Rating Result
Peter Catt 0 ½ - ½
Alan Riddle 83 1 - 0
Mike Wilford 98 ½ - ½
Sri Sriharan 98 0 - 1
David Halpin 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

136 = (279 + 400 * (2 - 1)) / 5)

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