Event: Division One

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Opponent Rating Result
William J Foo 2150 0 - 1
Andrew P McCumiskey 2111 0 - 1
Neil Clarke 1946 ½ - ½
Peter M Gayson 2126 0 - 1
Sheng Liang Bernard Chan 2199 1 - 0
Ian Emery 1911 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2007 = (12443 + 400 * (2 - 3)) / 6)

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