Aji Example 1
increases White's liberties and thereby creates more aji. White's stones are lost, but their potential can be fully exploited.
In this case, the aji will be exploited almost immediately, and as such this is not the best example of its lingering quality.
Barthoze it's an application of add a second stone and sacrifice both
It is almost painful how Black has to answer White's moves if he is determined to capture the two white stones. and especially
are almost superfluous stones.
Here Black is forced to capture two stones that were dead already; White has used the aji of those two stones to form thickness on the outside (with no bad aji).
, making the opponent answer in one particular and expected way, oneself gaining something in the process, is called kikashi.
-BillSpight: is comparatively small. At the time of
-
, Black will often play elsewhere.
Skelley: White could even consider not playing to take sente; the aji of atari on the two black stones remains in case of a black peep or push out.
is tesuji. If
instead, Black plays at
.
gains two things. First, it prevents
. Playing sente is like cashing a check or coupon before it expires. In this case the expiration date is soon, before
. The second thing
gains is
. After
, Black responds to
with
.
Charles Matthews In fact we can look again at this position. is a standard idea to leave some aji in White's position.
If now this, White has to worry about the cutting point at a. Since it may be slow to defend it immediately, it can remain as bad aji for White.
But White may not respond directly here. If White plays tenuki, Black has some bad aji that wasn't present in the initial diagram - for example the tactics in this diagram. Right now this doesn't lead anywhere for White, of course. But in combination with some other fight, this might become a serious possibility.
See also Aji example 3.