All you need to know about Carpenter's Square - 17
Submitted by macelee on 2013-01-31 21:19; Last upda
ted on: 2018-11-17 17:13
Diagram 17.1: White to play
Black corner is under more pressure. How can white make good use of 
?
Diagram 17.2: Solution
Unlike Diagram 16.2, because of , black has to play 
, leaving the key point 
to white. After 
the situation is so-called 'Golden Chicken Standing on One Leg' and black is dead.
Diagram 17.3: Solution 2
Trying to emulate Diagram 16.7, black plays 
. However, because of , 
is possible now. There is simply not enough eyespace in the corner. Black is dead too.
Diagram 17.4: Variation
We've mentioned earlier that does not work. White can follow the sequence in Diagram 16.9 and play 
directly to kill. Or even simpler white can play here. is a good move, creating miai points 'a' and 'b'. Black can not survive.
Conclusion: this is one of the simplest shapes we've covered so far. Black has no chance.
