Hello everybody!
With a consistent chinese books collection I feel like i could share a bit together regularly, on your request and according to your level.
The idea is to give you a position, let players discuss and then see what is in the book a few days later.
Here a few suggestions as example:
A tesuji
A yose
A middle game
A ko
A brilliant move in a pro game
A old classic problem
…
Any request very welcome (please with the level desired)
What do you think?
Note: ¹ groin=pig nose in french
I will provide a demo board that you can use to share ideas.
You can use the thread and post there too. If you think your idea is 100% sure you can use the hide the spoiler tool in your post.
By fairness i will restrain to participate myself besides hints if i feel them interesting.
At disclosure of the solution l’ll give as much as i can infos (like the complete game record, or different variations etc… )
White push and cut .
If black go to sacrifice his two stones with A then white takes a good bunch of points in sente.
That is not very satisfactory for black.
There are some suggestions in the demo (just in case you don’t miss them).
Everyone welcome to participate, i gave the first moves in the spoiler but there is still a bit more to find!
White has 39 “solid” points and 28 “potential” points = 67 points total
Black has 26 “solid” points and 60 “potential” points = 86 points total
All of black’s potential points are in that larger area, and white loses if he doesn’t reduce the larger black area because if he takes one move to solidify the top left, then black solidifies the large area. The proverb is
And in all honesty, I wouldn’t have seen the push and cut into the placement. I would have tried to expand the top and reduce black (L17), reduced in sente with B10 and B4, and tried and make it an endgame game and likely failed.
It’s really hard to tell when a moyo is “one move away from being solid”, which is why I try and prevent things from getting out of hand in the opening. It works for me but it’s not ideal.
No wonder we can’t find the solution if it’s supposed to be better than Go Seigen’s move… Anyway the point is not necessarily to find the solution right away but to spark reflection and discussion, so that we appreciate the solution better.
First time i saw it i loved that combo, cut for aji then C9.
C9 especially because without the book i would have focused rather on C8 for ex which sounds more natural shape. But C9 follow up is pretty efficient with not difficult follow up It’s like you just had to have tried it.
Black to play, try to find the right order to finish the game. Give the score. (Japanese rules, don’t forget the komi 6.5)
(You can give here a screenshot and the score after using this demo )
Second is 4 problems aimed at more advanced DDK. Black to play in each problem
Good thing to vary levels. The first problem is indeed accessible for everybody including DDKs, the second problem requires basic tesuji training, so is hard for players much weaker than 10k. Both problems are not obvious for SDKs either (can’t be solved in 3 seconds) so are good practice.
I don’t think so , this kind of help is not really necessary because it’s very short reading. Sort of really trying to read without any training (try consider as much possible starting move as you can, check liberties…)
The upper left is the most difficult with a longer sequence but if you keep the goal it’s doable.
Now let see if it’s too hard, i ll give an easier shot next time, promised.
White may not answer 2 at 3, otherwise we are back to diagram 1.
Black shouldn’t play 7 at B11, otherwise White plays 8 at A11 and this leads to a ko.
A little hint for problem 2, top right:
The corner group is locally dead, since it’s an L group. To save it, Black needs either to capture surrounding stones or to connect to the outside.
I’d advise to search the 2 problems down first (for DDK players). In a few moves the endgame problem covers very common situation and is doable even by a lower DDK.
