Event: Division 1

Opponent Rating Result
Paul M Barber 1990 1 - 0
Gavyn Cooper 2240 0 - 1
Paul Brencher 2012 ½ - ½
Ben Yaniw 2158 0 - 1
Paul M Barber 1972 1 - 0
Ben Yaniw 2139 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2019 = (12511 + 400 * (2 - 3)) / 6)

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