Life In 19x19

Posted: **Wed Dec 11, 2013 7:09 am**

At my club meeting on Tuesday night we got into a discussion about this board position.

Click Here To Show Diagram Code: [go]$$Wc The Striped Fuseki? $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . , . . . . . X . . . . . , . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . , . . . . . X . . . . . , . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . , . . . . . X . . . . . , . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

We noted how hard it would be to use ladders in this opening. So then I set up a ladder and read it out. If the situation is right you can totally use ladders! So, here is a fun exercise. Which of these ladders works? And which fail?

Click Here To Show Diagram Code: [go]$$Wc Fun with ladders! $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X O . . . . . X . . . . . . . . . | $$ | . X W X . . . . . O . . . . O O . . . | $$ | . X W X . . . . . X . . . . . B O . . | $$ | . X W X . . . . . O . . . . . O . . . | $$ | . X . . . . . . . X . . . X . . . . . | $$ | . X . . . . . . . O . . . O . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . , . . . . . X . . . . . , . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . X . , . . . . . X . . . . . O O . . | $$ | X W . . . . . . . O . . . . . B O . . | $$ | X W W X . . . . . X . . . . O O . . . | $$ | . X X . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Posted: **Wed Dec 11, 2013 7:24 am**

Posted: **Wed Dec 11, 2013 10:22 am**

Posted: **Wed Dec 11, 2013 10:29 am**

As others have pointed out, all ladders work.

Also, since my instinct is to not read ladders :p

Click Here To Show Diagram Code: [go]$$Wc Fun with ladders! $$ --------------------------------------- $$ | . . 4 . . . . . . . . . . . . . . . . | $$ | . 3 X O . . . . . X . . . . . . . . . | $$ | . X W X . . . . . O . . . . O O . . . | $$ | . X W X . . . . . X . . . . . B O . . | $$ | . X W X . . . . . O . . . . . O . . . | $$ | . X 1 . . . . . . X . . . X . . . . . | $$ | . X . 2 . . . . . O . . . O . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . , . . . . . X . . . . . , . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . X . 6 . . . . . X . . . 9 . O O . . | $$ | X W 5 . . . . . . O . . . . 8 B O . . | $$ | X W W X . . . . . X . . . . O O . . . | $$ | . X X . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Posted: **Wed Dec 11, 2013 10:53 am**

And now you all know the secret of the dual-colored wall...

It is not that no ladders work. It is that all ladders work!

Click Here To Show Diagram Code: [go]$$Wc Top Ladders $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X O . . . . . X . . . . . . . . . | $$ | . X W X . . . . . O . . . . O O . . . | $$ | . X W X . . . . . X . . . O B B O . . | $$ | . X W X . . . . . O . . O B B O . . . | $$ | . X W W X . . . . X . O B X O . . . . | $$ | . X X W W X . . . O O B B O . . . . . | $$ | . . . X W W X . O X B B O . . . . . . | $$ | . . . . X W W X . O C O . . . . . . . | $$ | . . . , . X W W X X . . . . . , . . . | $$ | . . . . . . X W W O X . . . . . . . . | $$ | . . . . . . . X C X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . X . , . . . . . X . . . . . O O . . | $$ | X W . . . . . . . O . . . . . B O . . | $$ | X W W X . . . . . X . . . . O O . . . | $$ | . X X . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Click Here To Show Diagram Code: [go]$$Wc Bottom Ladders $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . X O . . . . . X . . . . . . . . . | $$ | . X W X . . . . . O . . . . O O . . . | $$ | . X W X . . . . . X . . . . . B O . . | $$ | . X W X . . . . . O . . . . . O . . . | $$ | . X . . . . . . . X . . . X . . . . . | $$ | . X . . . . . . . O . . . O . . . . . | $$ | . . . . . . . . . X . . . . . . . . . | $$ | . . . . . . . . . O . . . . . . . . . | $$ | . . . , . . . X C X . . . . . , . . . | $$ | . . . . . . X W W O X . . . . . . . . | $$ | . . . . . X W W X X C O . . . . . . . | $$ | . . . . X W W X . O B B O . . . . . . | $$ | . . . X W W X . . X O B B O . . . . . | $$ | . . X W W X . . . O . O B B O . . . . | $$ | . X W W X . . . . X . . O B B O O . . | $$ | X W W X . . . . . O . . . O B B O . . | $$ | X W W X . . . . . X . . . . O O . . . | $$ | . X X . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Use this knowledge carefully in the 0.002% of games where it comes up.

@illuck: You just had to play the net card...

Life In 19x19

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