Event: 4-Board Division 2

Opponent Rating Result
Derek A Sheppard 1698 1 - 0
Mark Robinson 1200 1 - 0
Kevin Chilvers 1553 0 - 1
Olegs Dukalevs 1728 0 - 1
Steve J Thrower 1353 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1426 = (7532 + 400 * (2 - 3)) / 5)

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