Event: Division Five

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Opponent Rating Result
John E Fryer 1488 0 - 1
David Cleak 1545 0 - 1
Penny A Wood 1468 0 - 1
Nathan Harrison 1600 1 - 0(def)
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1100 = (4501 + 400 * (0 - 3)) / 3)

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