Event: Steele Cup

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Opponent Rating Result
Manoj Natarajan 149 0 - 1
Harry J Sharples 149 ½ - ½
Peter LT Blundell 115 0 - 1
John Thorley 120 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-67 = (533 + 400 * (0 - 2)) / 4)

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