Event: Hutchinson

Opponent Rating Result
Mick Overend 1535 1 - 0
Elinor Gorrell 1563 ½ - ½
Nigel Redmond 1653 0(def) - 1
Stephen Haggas 1528 1 - 0(def)
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1749 = (3098 + 400 * (1 - 0)) / 2)

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