Event: Silver Rook

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Opponent Rating Result
Paul R Chambers 0 1 - 0
Martin P Gawne 0 ½ - ½
Robert A South 0 1 - 0
Kier O'Connor 0 1 - 0
Olegs K Kungurovs 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

160 = (0 + 400 * (3 - 1)) / 5)

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