Event: 4-Board Division 2

Opponent Rating Result
Thomas L Hackett 1713 0 - 1
Oleg Dukalev 1728 0 - 1
John Scotter 1563 0 - 1
Philip A Wood 1533 1 - 0
Richard Atkinson 1563 0 - 1
Maxim Trofimov 1900 0 - 1
F Hal Jorna 1630 0 - 1
Steve King 1465 ½ - ½
Kevin Chilvers 1715 0 - 1
Richard Atkinson 1563 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1397 = (16373 + 400 * (1 - 7)) / 10)

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