Da Ya Liang

   
[Diagram]

Da Ya Liang

Definition

大压梁 (dà yā liáng) is a Chinese go term for this shape.

Meaning

The literal translation is "big pressure beam." The idea for Black is to seal White into the side with brute force, resulting in a territorial loss (especially if White ataris, as shown below). The name hints at the imposing momentum.


Studies

  • 50 variations are shown in Chapter 2 of the book Sanzi Pu by Guo Bailing. It is available in English under the title "Three-Stone Games."
  • 111 variations are shown in Chapter 2 of the book Sizi Pu by Guo Bailing. It is available in English under the title "Four-Stone Games."

Continuations

Two possible White continuations are the extension at a and the atari at b. b leads to many complications. Only one possible continuation after b is shown below.


White extends

[Diagram]

White Extends (1)

[Diagram]

White Extends (2)

This variation depends upon the ladder working for White.

[Diagram]

White Extends (3)


White Ataris

[Diagram]

White Ataris (1)

Now White has two choices: the atari of a or the atari of b

Tapir: Isn't W3 a typical case of 1-2-3 principle. If one connects at W5 anyway, should one not play there first leaving more possibilities after Black defends at B4? Most notably the cut at a?

[Diagram]

White Ataris (1)

[Diagram]

White Ataris (2)

[Diagram]

White Ataris (2)

Source: Jiang Mingjiu's Ing Goe Internet Class of 24 December 2006.


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