Aji literally means flavor, taste, the sense of food that can be tested
and that is good or bad.
One of the characteristics of taste is enduring.
In the go, the term refers to a aji condition, which can be good or bad, that
remains, enduring, relative to a group of stones, which offers potential
for the future game.
It is a latent potential, and usually should not be used immediately because
this results keshi aji, aji removal.
It should be noted how the game unfolds so that at the right time, the aji
it can be used to best effect.
This is a sequence in which Joseki White delivers the corner stones in return
influence and leaves a aji at these two points and east.
At first glance it may seem that the benefit of black is much better than the influence
white exterior, but seeing in detail will
the aji who have left white on the corner has a great effect.
First, here are two points forced atari where black should answer capturing
stones also is possible that white make use of these stones with this move
This is a very big loss for black therefore, when White plays tsuke,
In this way, black, probably captured two stones, and white play here, so that
all influence remains to white.
In this position, the aji left by the dead stones in the corner, should not be used
immediately, because it is not yet possible White know if you are interested close by here,
or play tsuke, this way and close by this side, if you close with black tsuke should
take, and now white close on this side, but let black can go out the side.
And if you play around here, now this move not works, so much black can play there.
Another example of aji we see a joseki fairly typical.
Black plays here, white san san, and now White can respond in two ways,
You can answer here, generating a type aji, or you can simply answer here,
It is generating other aji.
If you play here ... if the Sicho works, white has the opportunity to play two movements
this side of the board.
If not, black should play here, and that leaves aji stone for the future.
If white plays here, black here, and is one aji through this area, so that white
You have the ability to connect via KO with the corner stones in the future,
If white plays at this point, and black responds elsewhere, this is very favorable ko
for white, is a very favorable ko to White, therefore, in this position,
this stone can be said to have easy connection to the corner.
If white, in this case, instead of playing this, or rather to play this, play here, this
Keshi would aji, black responds this way, and there is no aji for the future.
Another example of aji is when you invade san san, a typical joseki ...
for the future is this point as a possible cut.
The cut should not be played at this time, since white can be captured.
If the shicho does not work for black, suppose there is a stone here, no matter,
You can play first here, atari, and obviously can not be avoided ... therefore, cut
is premature, is aji, so that any stone approaching from this point,
Now, this is a problem, black should waste time defending, but cutting is aji Keshi
Another case of aji we see also in joseki, it is this.
Black plays above.
White extends, black can protect, and this is left as well.
Blando plays elsewhere, and this movement forces play white as well, and
at the beginning of the game is aji Keshi, because it destroys chances of playing for example
like or, in case there is a stone here in the future, for example there, destroys
chances to play in this area, and strengthens white, is now much safer,
this movement is aji Keshi.
One of the virtues that teaches the concept of aji is patience.
One must know how to bide his time.
Po course there is always the possibility that the adversary plays to eliminate
their own bad aji, this risk means that often get ahead of using us too soon
Aji, however, we must not forget that the elimination of evil aji requires a movement
Extra by our opponent, which is a time wasting, therefore,
If due to aji, you can earn a while, this is already sufficient compensation.
This game gives us a good example of aji.
The game's played in 1970, Sakata Eio, 9 dan, playing with black, and Kai Ho Rih,
with white, then Honinbo Meijin.
We will not analyze in detail the game, but we will see the strategic aspect
we are interested in the concept of aji
So far the fuseki, now turn white and should consider entering
the upper right corner.
This sequence is joseki and Black plays this point if the base and trying to leave space
to form eyes to white; in response to this short white run at this point,
it will be what will produce the aji, that will allow us to explain this concept
strategic in this game.
Instead of playing here, black could have busy this point, ensuring this area,
preventing the formation of aji, but would have allowed White to play this way, steadying
its group and out without any problems toward the center.
This would have been rather poor for Black.
Continuing the game.
At this time the target group has gotten out to the center, although it has no basis for
eye formation in compensation has these two stones, which will provide aji
Continuing the game.
After White has managed to live in this area, black plays this movement
which it is a direct attack on this target group without base.
This move is to win two more freedoms since it is a forced movement.
If black does not answer this would be a problem.
With this sequence the target gets out his group, connects with this side and black
or so it has managed to influence this area,
It is a balanced and peaceful outcome for both parties.
If at this time, instead of playing here try and seize white aji of those stones,
encroaching on san san, would, I could go something like this, and now plays black
on this side putting on serious difficulties to the target group, ie this time
It is still early to take advantage of the aji of these three stones.
And in this situation the last play of black closes the corner and feels
that the three stones no longer useful and aji has been destroyed; certainly,
if white try to exploit the aji currently they fail, we can see,
for example an entry in san san.
You have to play this by connecting with these stones,
and here black should play this, if he plays on this side,
White plays in this way and get a ko.
This variant with a ko for white is not good for black, black should avoid this sequence,
therefore, does not play this but enters here,
White, now playing here ...
Again black should avoid this ko, cover.
White plays here in order to win freedom for your group, black here ...
And black must play at this point, because if you do not, if you play any tenuki
Elsewhere, White manages to make two eyes in this way.
Black must connect, you is not worth this, since atari, can not connect, you have to play here,
and after this, white lives.
So black should play here,
white here, and white.
It is true that Black has no eyes, white has got one eye, has won freedoms,
but this wall is very fragile and not black you will have no difficulty in leaving for
the center toward this side, and gain more freedoms, winning therefore the semeai, white die,
ie that the use of aji was premature.
Continuing the game.
After this sequence, the black will attack this group, which remains without
establish insecure.
After this sequence, Black has gotten some territory on this side,
but white has been strong here, of so that the aji of these three stones comes
running with the sequence we've seen before.
Black here, you can not play here because We have seen that came a ko, this is a must.
Now the white van to the top the board looking for a ko.
After this cut all the black group is in danger, it depends on this ko.
Now black can not play here, as in the sequence we've seen before, since
Semai would lose the black, you should play here.
If when white plays here, instead of this, black plays as in the sequence
we have seen before, in this way, the game continues ...
Gaining freedom for the white group, black should play this as we have seen before,
otherwise white manages to make an eye.
And now the Semai is favorable for white, because black can not get an eye
and white does have an eye on this side; he Semai is favorable for white, therefore
black dies.
The game continues.
Thanks to these white stones aji got to live in the corner.
The game continued, eventually won by a colon and white medium.
We'll see in another video.
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