Event: 4-Board Division 1

Opponent Rating Result
Alec Grice 1674 1 - 0
F Hal Jorna 1633 1 - 0
Tim M Turner 1884 0 - 1
Keith Thompson 1924 0 - 1
Jeff Foster 1570 1 - 0
Alec Grice 1674 0 - 1
F Hal Jorna 1633 1 - 0
Tim M Turner 1884 ½ - ½
Keith Thompson 1924 1 - 0
Hussam Al Haidar 1506 ½ - ½
Christopher J Harris 1438 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1813 = (18744 + 400 * (6 - 3)) / 11)

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