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Counting liberties

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2016-02-20 23:57
tchellina I am having a lot of fun with the training system. It is really great. Kudos!

However, i have similar questions on two problems.
Lesson 06C, 1090_02.sgf
Lesson 06C, 1090_03a.sgf

Because of the training system, I know how to play them, i remember the sequence. However, I would like to know how to count the liberties, if i encounter similar situation in my games.

2016-02-21 04:39
Darrell Malick Hi Tchellina,

I'll take a crack at explaining how to count problem 2. To start, Black makes an eye and White makes the forcing move and takes the second eye away. That gives this position:


White will have to fill the eye last, so has to fill all the outside liberties first. So it will take White 4 moves (numbered 1-4) to remove the Black stones. White has only 4 liberties left at that point (labeled A-D). So the liberty count is 4 to 4. Whoever moves first will win the fight.

Does that help?

2016-02-21 21:12
tchellina Hi Darrell,

Yes, that does help. I would never have thought to count that way but it makes sense.

Thanks a lot :-)

2016-02-21 21:14
Darrell Malick my pleasure :)

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