Event: 6-Board Division 1

Opponent Rating Result
Mark I Collinson 1961 0 - 1
David J Hambly 1795 0 - 1
Kamila Hryshchenko 2236 0 - 1
Andrei Ciuravin 2184 0 - 1
Derek A Sheppard 1720 1 - 0
John Thackray 1921 1 - 0
Mark I Collinson 1961 1 - 0
Graham Chesters 2013 ½ - ½
Kamila Hryshchenko 2236 0 - 1
Paul A Allison 1698 ½ - ½
Derek A Sheppard 1720 1 - 0
John Thackray 1921 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1881 = (23366 + 400 * (4 - 6)) / 12)

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