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Averages in manually scored Pairs events

by David Stevenson

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The following question was asked:

I am going to be doing some Pairs matchpoint scoring soon, something I have not done for some years, without the aid of a computer. I cannot find any information about scoring averages, average plus/minus's etc. Can you give me a quick rundown on how it is done?

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This was my reply:

When doing manual scoring, all boards should have the same average score. Any averages should be scored as pure averages and adjusted later.

Suppose top is 10 [ie 6 scores]: a normal board would be:

0 2 4 6 8 10

or if some scores are the same, something like:

1 1 4 8 8 8
or
0 3 3 6 8 10

The total is always 30, and average is 5. If a board has one average, score it as 5, and score the rest from 1 to 9 [or 9 to 1: some score from the top, most people from the bottom].

So:

1 3 5 7 9 and 5
or
2 2 6 6 9 and 5
or
1 3 7 7 7 and 5

Note that the total is still 30, and average is still 5.

If you have two averages? Then you score from 2 to 8 [or 8 to 2]. One example:

2 4 7 7 and 5 5

Note that the total is still 30, and average is still 5.

So, in general, you score upwards from the number of averages, or down from a normal top less the number of averages.

Having done all this, every board adds up to the same number, which makes a cross-check possible [and very desirable with manual scoring].

If anyone gets an average plus, then you work all the scores out first, and then add 10% of a top: similarly with average minus.

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Gopher Editor's note:

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