Event: D&DCL Div3

Opponent Rating Result
Andre Cockburn 1638 1 - 0
Stuart Marshall 0 0 - 1
John E Fryer 1488 0 - 1
Joseph Turrell 0 1 - 0
Ray Sawyer 1563 0 - 1
Richard P Temple 1458 0 - 1
Joe Willgoose 1315 1 - 0
Andre Cockburn 1638 0 - 1
Joe Willgoose 1315 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1024 = (10415 + 400 * (3 - 6)) / 9)

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