Get Strong At Life And Death / Errata

Table of contents Table of diagrams

Black to play and live
Black lives
Black lives
White gains a move
Black gets a ko
White can live unconditionally

Wrong continuation
White is short of liberties
Correct continuation
Diagram 90: White kills Black
Variation: White 5 at 1
Correct variation


Page 22 problem 23

"Black 1 at 3 also kills White." is repeated twice. Delete one of them.

Page 43 problem 58

[Diagram]
 

The marked white stone is missing in the problem diagram, but present in the solution diagram. In my opinion, it should be present in both, rather than absent in both.

--Dieter


Page 57 Problem 76

[Diagram]
Black to play and live  

Here is the book's solution

[Diagram]
Black lives  

Black lives by setting up the comb formation. This is possible because Black's move B3 threatens to capture the 4 Black stones on the left.

[Diagram]
Black lives  

Black can also start by playing to the left of W4, in order to guarantee two eyes.


It seems to me that White can defend his left 4 stones by playing a typical sacrifice in capturing races, gaining one move

[Diagram]
White gains a move  

Now Black can't throw in and atari, due to a shortage of liberties, and has to spend an extra move to capture W3.

[Diagram]
Black gets a ko  

I don't see any better result for Black.

--ilan


Page 64, problem 81

[Diagram]
White can live unconditionally  



For this problem the author gives the following solution:

[Diagram]
 



followed by:

[Diagram]
Wrong continuation  

Unfortunately W1 is a mistake.


Black may play B2 at W3 here resulting in:

[Diagram]
White is short of liberties  



The correct solution is:

[Diagram]
Correct continuation  

now black is short of liberties and cannot connect at a.



Page 70 problem 90

This error was pointed out to me by my club member Bart Vandeputte (12k). --Dieter 1k

[Diagram]
Diagram 90: White kills Black  

The author writes: if Black B2 at B4, then White W2 - Black a - White W1 kills him. This is not true.

[Diagram]
Variation: White 5 at 1  

Black lives with B6.


[Diagram]
Correct variation  

White W7 at W1, and this is probably what the author meant.


Page 96 problem 121

Wrong: White to play and kill the white stones.
Right: Black to play and kill the white stones.

Page 129 problem 160

[Diagram]
 

The marked white stone is missing in the problem diagram. (Present in the solution diagram).

Page 152 problem 187

Wrong: The marked stone seems well positioned to to create a false eye.
Right: The marked stone seems well positioned to create a false eye.

Get Strong At Life And Death / Errata last edited by PeterHB on April 16, 2009 - 23:33
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