Difference between revisions of "Ladder escape fork"

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A [[Multiple threat|forking move]] which creates a [[ladder escape]].
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A ladder escape fork is a move that creates a [[ladder escape]] while also threatening another connection. It is a kind of [[double threat]].
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== Example ==
 
== Example ==
  
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</hex>
 
</hex>
  
However, pushing too much the ladder is useless, and it actually enables Blue to win.
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However, pushing the ladder too much is useless, and it actually enables Blue to win.
  
 
<hex>R7 C7 Q1   
 
<hex>R7 C7 Q1   
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</hex>
 
</hex>
  
Red needs the two pieces at the top right hand-corner of the board. Red pushes the ladder just enough to use a '''ladder escape fork'''. This pivot piece threatens to connect to the top group and acts as a [[ladder escape]] as well.
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Red needs the two pieces at the top right hand-corner of the board. Red pushes the ladder just enough to use a '''ladder escape fork'''. Piece number 3 is called the '''pivot piece'''. It threatens to connect to the top group and acts as a [[ladder escape]] as well.
  
 
<hex>R7 C7 Q1   
 
<hex>R7 C7 Q1   
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== See also ==
 
== See also ==
  
[[Foiling ladder escapes]]
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* [[Foiling]]
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* [[Climbing#Climbing from a ladder|Climbing from a ladder]]
  
 
[[category:ladder]]
 
[[category:ladder]]
 
[[category:intermediate Strategy]]
 
[[category:intermediate Strategy]]

Latest revision as of 01:53, 18 May 2022

A ladder escape fork is a move that creates a ladder escape while also threatening another connection. It is a kind of double threat.

Example

In the following position, Red has no edge template.

abcdefg1234567

The only option seems to be a ladder.

abcdefg12345671324

However, pushing the ladder too much is useless, and it actually enables Blue to win.

abcdefg1234567135246

Red needs the two pieces at the top right hand-corner of the board. Red pushes the ladder just enough to use a ladder escape fork. Piece number 3 is called the pivot piece. It threatens to connect to the top group and acts as a ladder escape as well.

abcdefg1234567132

See also