Event: D&DCL Div 2

Opponent Rating Result
Graham Smith 1539 1 - 0
Peter M Collins 1676 ½ - ½
Neil Cameron 1688 1 - 0
David Hatton 1553 ½ - ½
Justin Smith 1597 0 - 1
George K Heath 1313 1 - 0
Vaughan WG Smith 1631 0(def) - 1
Ray Sawyer 1603 ½ - ½
Andy Bacon 1413 1 - 0
Stephen G Wootton 1638 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1736 = (14020 + 400 * (5 - 1)) / 9)

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