Event: 6-Board Division 1

Opponent Rating Result
Oleg Dukalev 142 ½ - ½
Paul GE Carter 135 ½ - ½
John Thackray 155 0 - 1
Joe Varley 138 0 - 1
John Thackray 155 ½ - ½
Chris J Matthews 144 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

12 = (869 + 400 * (0 - 2)) / 6)

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