Event: Bob Royall Blitz

Opponent Rating Result
Andrew S Pandian 1273 0 - 1
Colin R Payne 1713 1 - 0
David E Hall 1786 1 - 0
Biran S Shah 1771 1 - 0
Martin G Walker 2203 0 - 1
Alexander New 1863 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1768 = (10609 + 400 * (3 - 3)) / 6)

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