Event: Rapidplay - Under 7000

Opponent Rating Result
Alan W Brusey 2008 1 - 0
Piotr Ruszelak 1784 1 - 0
Chris M Collins 1675 0 - 1
Alan W Brusey 2008 0 - 1
Piotr Ruszelak 1784 1 - 0
Chris M Collins 1675 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1956 = (10934 + 400 * (4 - 2)) / 6)

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