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7

Josekipedia http://www.josekipedia.com/ This is a kind of wiki for joseki. This system has the big advantage of offering explanations, deviations from joseki and refutations,... But I don't know how complete or accurate it is.


6

Kogo's Joseki Dictionary Kogo's Joseki Dictionary is certainly the best known resource in the west. It's an SGF file that contains a huge list of common and uncommon joseki moves including some comments, some even with the game where they occurred. It is reliable in general, even though there are some mistakes (that are probably difficult to spot unless ...


6

In the deviated form, white can play at B18 and the corner will live or die as a ko, or it can end up in seki. Even if black has more than enough ko threats to win the battle, it is unlikely ever worth it. $$Wcm4 Continuation of deviation: Ko $$ +---------------------------------------+ $$ | 7 . 3 6 5 . . . . . . . . . . . . . . | $$ | 2 1 a X X O . . . . ...


5

This question may look simple at first, but refuting the deviation is pretty difficult - there are no original sources on this to my knowledge. Not answering the hane directly $$Bcm1 $$ ------------------- $$ . . . . . . . . . | $$ . . . . . . . . . | $$ . . . . a 0 4 8 . | $$ . . . . b 1 5 6 . | $$ . . . . . . 9 7 . | $$ . . . . . . 2 . . | $$ . . . . . . ...


5

White's connection and pincer sequence in another answer works well only if White has a stone (or stones) around the star point D16 in the upper left corner. Then, the 7th stone on J16 is both a pincer and an extension. $$Wcm1 Good for W $$ +-------------------+ $$ |...................| $$ |...................| $$ |...........2.1.....| $$ ...


5

Brugo http://www.brugo.be/ Brugo is probably the only dictionary maintained by pros. It includes a few variations not seen anywhere else and tends to be very reliable (as far as I can confirm this). There are a few tools (like a joseki quiz) rarely found anywhere else.


4

Daily Joseki http://dailyjoseki.com/browse This joseki database is condensed from a database of pro-games. One problem with this approach is that it doesn't contain any explanations or refutations. It also offers some joseki memorization system, but I never tried it myself.


4

First, let's notice that b in the following: $$Bcm1 $$ ------------------- $$ . . . . . . . . . | $$ . . . . . . . . . | $$ . . . . a 0 4 8 . | $$ . . . . b 1 5 6 . | $$ . . . . . . 9 7 . | $$ . . . . . . 2 . . | $$ . . . . . . . . . | $$ . . . . . . 3 . . | $$ . . . . . . . . . | reverts to a well known joseki where 10 is played before 6. It seems ...


3

It is difficult to tell if the pincer at 3 was the right choice. Generally, such a wide pincer is good if you plan on a moyo on the right side. I'm assuming that W1 was in the upper left and B2 a hoshi in the lower right, as in this: $$Wcm1 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . ...


3

Good question. White usually jumps into the corner in this joseki; if he jumps out he is ready to fight if necessary. When Black peeps he is giving you a wall that you can use to counterattack his pincer stone. eidogo recommends W7, which denies Black a base on the side while being harder to press down. $$Wcm1 $$ +-------------------+ $$ ...


3

First of all, simply playing joseki does not mean the result will be even (or even good for you) on a given board. A joseki is a sequence that is considered as often optimal given a particular situation. If the situation changes, a joseki which was fine before might suddenly become a terrible choice. The situation depends on the whole board. In particular, ...


2

When White hanes at 10, you need to play 11 at 13, then connect after he does. You cannot answer a contact move with a non-contact move in this situation (and most others).


2

W1 seems like a good move to me. B can't get a rhythm to fight well even if he ignores it to make something happen. I may be wrong but B's deviation looks like a gross overplay to me. I can't see W playing a "solid be get better result" so starting a fight seems good for W. The only other option I can think of, other than W1, is the 5th line shoulder hit ...


2

The attachment is fine but B will resist in a different way, I guess (maybe pushing?). $$W Attachment, black resists $$ ------------ $$ -........... $$ -.OX........ $$ -.OOXXO..... $$ -..XOX..1X,. $$ -...O2...... $$ -...34...... $$ -........... In the (expected) variation move 2 shouldn't be a jump, rather a nobi (extension) to get a more solid shape, ...


2

This is in Josekipedia, just with a different move order. (I don't know how to link to a specific josekipedia variation, but taking the moves as numbered in your question and reordering 1, 2, 3, 4, 5, 10, you can see your marked stone as a bad move, with 2 ways to punish. A hane at P17 is standard for a 3-3 invasion without an approach stone, but you cannot ...


2

That should be simple - don't play at 14 in your final diagram. Instead, try this: $$Bm7 $$ . . . . . . . . . . . | $$ . . . . . . . . . . . | $$ . . . . . . . . . . . | $$ . . . . . . . . . . . | $$ . . . . . . . . O . . | $$ . . . . . . . B . . . | $$ . . . . . . . 7 X 5 . | $$ . . X . 8 . O 3 O 1 . | $$ . . . . . . . 6 4 2 . | $$ . . . . . . . . . . . | ...


2

The main reason why I think you think this is good is because this joseki looks a lot like another familiar 3-4 joseki: http://josekipedia.com/#path:qdodocncpcndqfjd $$ Good possibilities $$ --------------| $$ . . . . . . . | $$ . . . . . . . | $$ . X . X . . . | $$ . . . , X . . | $$ . . . O X . . | $$ . a . O O . . | $$ . . . . . . . | $$ . . . c b . . | ...


1

As always it's difficult to give a categorical answer (to say the least), but here are some aspects which I think are relevant. (By the way I am not a strong player so there probably is a better answer) First, contact moves reinforce the adversary and this is exactly what happens in the variation you prefer: white makes good shape with the tiger mouth and ...


1

I have never seen Black 5 in any joseki book, but I'm sure I've seen it in my games. Probably a typical amateur mistake :) However, I have no idea why it would be bad - it looks like a reasonable move to me, given the right circumstances. I will first comment on the sequence you gave, then I will show which alternatives I would consider, and finally I'll ...


1

In your shoes, I'd play e16 (atari), Black pulls out to d17, White, e17, threatening to capture two stones, Black c17, you f15 to "capture" the Black stone on f16. But that assumes that the top is the most important part of the board. If, in fact, the left side is more important, the way you outline is better.


1

the high approach is not for territory, but always a special approach due to a particular scenario of the whole board. One purpose of high approach is to attack. Refer to http://eidogo.com/#2LRby3iCq , the 3rd game of the Kamakura jubango between Go Seigen and Minoru Kitani. White 12 is the high approach. The idea is to cut the black 1 (4-4) from black 11. ...


1

a is not the joseki move b is do tewari black starpoint white kakari black pincer white invade 3-3 black blocks white nobi (move 10) black b then black hane and connect before jump


1

Nice one with discussion of the positions is here: http://senseis.xmp.net/?Joseki This page is referred to as a source by Josekipedia.com: http://senseis.xmp.net/?GendaiJosekiJiten But I am not actually sure what that is, if it is equal to http://senseis.xmp.net/?Joseki or not.



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