Event: 6-Board Division 1

Opponent Rating Result
David W Stephenson 1893 0 - 1
Christopher J Harris 1400 1 - 0
R Malcolm Hara 1608 1 - 0
Keith Thompson 1930 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1808 = (6831 + 400 * (2 - 1)) / 4)

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