Life In 19x19
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Tsumego: Easy or hard?
http://www.lifein19x19.com/viewtopic.php?f=15&t=17396		 Page 3 of 3
Author:  iopq [ Wed Aug 26, 2020 2:25 pm ]
Post subject:  Re: Tsumego: Easy or hard?
Bill Spight wrote:
Current collections do not include them, as they are of little interest. E. g., Black to play and White lives anyway. ;)


Those positions exist as "is this group alive? If not, play to kill" type problems

When you say alive, you switch colors and defend an attempt to kill
Author:  Bill Spight [ Wed Aug 26, 2020 2:35 pm ]
Post subject:  Re: Tsumego: Easy or hard?
iopq wrote:
Bill Spight wrote:
Current collections do not include them, as they are of little interest. E. g., Black to play and White lives anyway. ;)


Those positions exist as "is this group alive? If not, play to kill" type problems

When you say alive, you switch colors and defend an attempt to kill


Sure, status problems exist, but I am talking about specific positions where a tesuji or line of play would work with a very slight change. The point being that it is easy to confuse the two. Memorization of moves is not enough. You have to be able to distinguish positions from each other.
Author:  iopq [ Wed Aug 26, 2020 3:20 pm ]
Post subject:  Re: Tsumego: Easy or hard?
Bill Spight wrote:
iopq wrote:
Bill Spight wrote:
Current collections do not include them, as they are of little interest. E. g., Black to play and White lives anyway. ;)


Those positions exist as "is this group alive? If not, play to kill" type problems

When you say alive, you switch colors and defend an attempt to kill


Sure, status problems exist, but I am talking about specific positions where a tesuji or line of play would work with a very slight change. The point being that it is easy to confuse the two. Memorization of moves is not enough. You have to be able to distinguish positions from each other.


You can make both of those different problems.

You can't cover everything, but you can't cover everything anyway. Even pros try tesuji that don't work.
Author:  Bill Spight [ Wed Aug 26, 2020 4:51 pm ]
Post subject:  Re: Tsumego: Easy or hard?
iopq wrote:
You can make both of those different problems.


That's why, when people make flash cards, or make a set of problem positions for computerized review, I advise that they also make cards with slightly different positions where the play does not work. That way they won't end up recognizing the problem position based on only some of its features. Doing so can lead to mistakes in actual games. I have seen that happen. ;)
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