Event: Division 2

Opponent Rating Result
Malcolm P Kingsley 1893 ½ - ½
Neville H Twitchell 1923 ½ - ½
Michael J Saunders 1777 1 - 0
Ian P Woodward 1852 ½ - ½
Keith S Jones 1840 ½ - ½
Colin R Ramage 1908 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1866 = (11193 + 400 * (1 - 1)) / 6)

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