Event: Christmas Allegro

Opponent Rating Result
Andrew R Brett 2060 0 - 1
Junaid Ahmed 1139 1 - 0
Jeff R Dawson 1903 1 - 0
Stephen LA Orton 2070 0 - 1
David E Hall 1891 0 - 1
Stephen Livermore 1570 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1639 = (10633 + 400 * (2 - 4)) / 6)

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