Event: Division 2

Opponent Rating Result
Neville H Twitchell 1973 0 - 1
Jeffrey Page 1685 1 - 0
James D Steele 1836 1 - 0
Ken W Clow 1799 1 - 0
Paul H Kenning 1808 ½ - ½
Stephen L Wedlock 1929 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1905 = (11030 + 400 * (3 - 2)) / 6)

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