Ladder escape fork

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A forking move which creates a ladder escape.


In the following position, Red has no edge template.


The only option seems to be a ladder.


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


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.


See also