Event: Graded Club Games

Opponent Rating Result
David L Weston 1630 0 - 1
Nigel Crucefix 1330 ½ - ½
Sally Hunt 0 1 - 0
Sally Hunt 0 ½ - ½
Jordan Walsh 0 0 - 1
Roy A Ludlow 1687 0 - 1
Jordan Walsh 1720 0 - 1
Bernadette Marie 0 ½ - ½
Adrian Bond 1298 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

674 = (7665 + 400 * (1 - 5)) / 9)

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