Event: Div 2 - Weston Trophy

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Opponent Rating Result
Andrew Allen 1826 ½ - ½
Norman A Wragg 1723 ½ - ½
Peter Locking 1615 1 - 0
Jago Onians 0 1 - 0
Richard E Desmedt 1789 ½ - ½
Richard E Desmedt 1789 0 - 1
Shamil Khadaev 1661 1 - 0
Ivan Dunnachie 1808 0 - 1
Robert Porter 1604 ½ - ½
Peter Cooper 1629 1 - 0
P John Helliwell 1408 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1641 = (16852 + 400 * (5 - 2)) / 11)

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