Submitted by macelee on 2013-03-05 17:40; Last upda
ted on: 2013-03-21 14:36
The Under the Stones tesuji is quite rare in professional games. There are only few examples.
Professional Game 1
I was initially motivated to write these articles by watching the following youtube video:
Submitted by macelee on 2013-03-05 14:03; Last upda
ted on: 2013-03-12 15:55
Under the Stones (倒脱靴 in Chinese; 石の下 or ishi-no-shita in Japanese) refers to situations in which brilliant moves become possible in space left by your stones just captured. These shapes are mostly seen in (artificially designed) tesuji problems. But in practice it does occur from time to time, even in professional games.
Let's first examine two typical patterns in which Under the Stones tesuji may appear:
Square Four pattern