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Seen In A Shusaku Game
Keywords: Joseki
I don't know the name of this joseki, but I first saw it in Invincible: The Games of Shusaku and had the chance to use it the very next day, with some success.
With white support along the upper side, of course. The joseki was not played all at once, and the marked black stone was played just before white 4. Anyhow, later on white can make the following play, assuming the right-facing wall has gotten stronger in the meantime (in the actual game, Shusaku played the marked white stone in sente):
..which is pretty slick, especially since the upper side was under attack by black. So does anybody know more about this joseki? Is it not in favor anymore? -- Matt Noonan
DaveSigaty:
A check of Jansteen's
The most common continuation appears to be for W to push again at 'a'. Only 8 games continue with the play at 'b' instead. Of these only 1 game was played in the last 50 years but luckily black continued at 'c' yielding the position under discussion: Game 2431 Qian Yuping Kobayashi Koichi 1985-05-22
W played immediately in the corner and B allowed her to take the corner.
It looks to me that there is still a ko in the corner due to the gap at 'a' but if W captures a stone with 'b' and then connects the ko, the remaining cut at 'c' makes it big enough that B is not interested.
Ishida Yoshio does not consider the 1-space counter pincer in his joseki dictionary. However, Yamabe's dictionary (Genzai Joseki Jiten, 1985) covers it with 23 diagrams. There is a lot of variation shown. This diagram is the first diagram given in Yamabe and marked as a 'joseki' but B has also played 1 at 2 and at 'a' (with the idea of keeping W separated and making it difficult to live in the corner) and has played 3 at 'b'. An important idea in the variations is whether W gets sealed into the corner or breaks out via the shoulder hit at 'c'. Note that the choice of the 3-space pincer (the marked B stone) is normally based on a B position in the lower left. In modern Go W usually does not choose the knight's move approach in such a situation, but uses the high approach or a 2-space approach (high or low) instead. The choice of the counter pincer (the marked W stone) is usually based on a W position in the upper right. Bill Spight: The Suzuki-Kitani "Small Joseki Dictionary" does not seem to like Black's play.
After White plays the marked stone, they recommend B 1 instead of 'a'. Now W 2 forces B 3. This sequence is good choshi. (Make him make me make the play I want to make.)
If W 1 is at 'a', B 2 is at 5. B 6 at 'b' is also good.
Earlier they recommend B 1, which aims at 2 and 3.
If White lives, Black has a strong pincer at 10. This is a copy of the living page "Seen In A Shusaku Game" at Sensei's Library. (C) the Authors, published under the OpenContent License V1.0. |