Event: D&DCL Div 2

Opponent Rating Result
Stuart Marshall 1800 0 - 1
Roger W Walker 1655 0 - 1
Ray Sawyer 1603 0 - 1
Andy Bacon 1413 ½ - ½
David Hatton 1553 0 - 1
John S Shaw 1753 0 - 1
Ray Sawyer 1603 0 - 1
Neil Cameron 1688 ½ - ½
Stephen G Wootton 1638 ½ - ½
David Smith 1848 0 - 1
George Burdell 1729 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1371 = (18283 + 400 * (0 - 8)) / 11)

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