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Scoring

#1 User is offline   A2003 

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Posted 2008-June-22, 10:27

What is average, average plus and average minus?
How is it calculated?
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#2 User is offline   han 

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Posted 2008-June-22, 11:28

Multiply all outcomes by their probabilities and add those products.
Please note: I am interested in boring, bog standard, 2/1.

- hrothgar
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#3 User is offline   ArtK78 

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Posted 2008-June-22, 16:18

At matchpoint scoring, average is 50%. Average Plus is 60% (or a percentage of your game, if higher) and Average Minus is 40%.

At IMPs, average is no swing. Average Plus is usually translated to +3 IMPs, and Average Minus is usually translated to -3 IMPs.

I suspect that Average, Average Plus and Average Minus at Board-A-Match is calculated the same as it is at matchpoints, but I have never run into such a ruling.
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