Event: Division 2

Opponent Rating Result
Thomas Ash 1727 0 - 1
Andrew Hewitt 1675 1 - 0
GA Harvey 1845 1 - 0
Nigel Pollett 1741 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1947 = (6988 + 400 * (3 - 1)) / 4)

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