Life and Death

Practical life and death problem from the Ing Cup final

All serious Go players practice life & death problems. The question is: should we study textbooks or real games. I personally prefer the latter as real games often contain additional factors that influence our decisions on local life & death situations.

All you need to know about Carpenter's Square - 12


Diagram 12.1: White to play

As will be shown, the missing stone at the hoshi point is a major defect for black.

All you need to know about Carpenter's Square - 11


Diagram 11.1: White to play

How does the extra bend at Black square affect the outcome?

All you need to know about Carpenter's Square - 10


Diagram 10.1: White to play

Black has no external liberties but hanes at both sides. Can white do anything?

All you need to know about Carpenter's Square - 9


Diagram 9.1: White to play

We will now consider the Carpenter's corner with one extra liberty as well as one first-line stone.

All you need to know about Carpenter's Square - 8


Diagram 8.1: White to play

All you need to know about Carpenter's Square - 7


Diagram 7.1: White to play

Black has one extra stone at *bs*. Does it help?

All you need to know about Carpenter's Square - 6


Diagram 6.1: Alternative attack

All you need to know about Carpenter's Square - 5


Diagram 5.1: Another tricky move

All you need to know about Carpenter's Square - 4


Diagram 4.1: Tricky move

White has the option to hane from the 1st line. Black needs to be very careful not to get tricked.

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