Life In 19x19

Posted: **Wed Mar 07, 2018 3:10 pm**

First Gomoto lives and then he dies.

But now what about Gomoto's groups:

Problem 1: Black to play or stay (away)

Click Here To Show Diagram Code: [go]$$B $$ ------------+ $$ O X . . . . | $$ O X . . . . | $$ O X X X X X | $$ O O O O O O |[/go]

Tenuki or not Tenuki?
What is your move and how much is it worth?

Hint:

Posted: **Fri Mar 09, 2018 10:11 am**

Think about current score, ko, seki and tenuki.

Solution:

Options:

Tenuki

Play a move:

Posted: **Fri Mar 09, 2018 10:26 am**

Now a whole board problem, 6.5 komi: (black to play)

Click Here To Show Diagram Code: [go]$$B $$ --------------------------------------- $$ | . . X X O . . . . O X X . . . . . X X | $$ | . . X O . O O . O . O X X . . . X X O | $$ | . . X O O O . O O O . O X X . X X O O | $$ | . . X O X O . . O , O O X . . X O O . | $$ | X X X X X X O O . O X X . . X O O O O | $$ | O X O X X O . O O X . X . . X X O . O | $$ | O X O O X O O X O X X . . O O O X O O | $$ | O O O . O . O X O O X . . . . X X O X | $$ | O X O . O . O X X O X . . . X . O X X | $$ | . X . , X O O O X X . . . . . , O X X | $$ | . . X X . . O X X . . . . . . . X . X | $$ | . . X O O . O O X . . . . . . X . X . | $$ | . X . X O . . O O X X X . . . X O . . | $$ | . O X O . . . . O O O X . . . . . . . | $$ | . . O . O O . . O X O X . . . . . O . | $$ | . O O O X O . . . X O X O . . X X . . | $$ | O O X X X X O O . . O O X X . . . . . | $$ | O X . . X X X O O . O X X . . . . . . | $$ | . X . O . X O O . O X X . . . . . . . | $$ ---------------------------------------[/go]

What is your move black?

Posted: **Tue Mar 13, 2018 7:10 am**

Solution:

Verbose Solution:

Gomoto's Life and Death