Event: Ilkley Chess Club Championship

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Opponent Rating Result
William Boothman 149 1 - 0
Peter D Ward 0 0 - 1
Lili Szasz 54 0 - 1
Chris Wright 168 0 - 1
C Barry Taylor 135 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-59 = (506 + 400 * (1 - 3)) / 5)

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