Event: Division 2

Opponent Rating Result
Paul J Colburn 1977 0 - 1
Mohammed Ben-Rashed 2004 0 - 1
Robert Reynolds 1797 ½ - ½
Paul Rowan 1862 1 - 0
Tom Darling 1951 0 - 1
Michal Bylica 1889 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1847 = (11480 + 400 * (2 - 3)) / 6)

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