Event: Ladder

Opponent Rating Result
Lawrence Rhodes 0 0 - 1
Mark Cox 0 1 - 0
Nicholas H Skinner 0 0 - 1
Don Banks 0 0 - 1
David Bradley 0 0 - 1
Keith Homeyard 0 0 - 1
Charlie Giles 0 0 - 1
Philip Crompton 0 0 - 1
Peter Larwood 0 0 - 1
Lawrence Rhodes 0 0 - 1
Peter Larwood 0 0 - 1
Jon Young 0 0 - 1
Philip Crompton 0 0 - 1
Keith Homeyard 0 0 - 1
David Wallis 0 0 - 1
David Bradley 0 1 - 0
Keith Homeyard 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-306 = (0 + 400 * (2 - 15)) / 17)

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