Event: Hutchinson

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Opponent Rating Result
Stephen Burton 109 ½ - ½
Mahboob Nawaz 100 1 - 0
Paul Kadzionis 96 1 - 0
Derek Ludlam 106 1 - 0
David Copland 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

322 = (411 + 400 * (3 - 0)) / 5)

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