Difference between revisions of "Edge template IV2m"

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(Converted to new hexboard diagrams)
(Mirrored the template.)
 
(One intermediate revision by the same user not shown)
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== The template ==
 
== The template ==
  
<hexboard size="4x6"
+
<hexboard size="4x7"
  visible="-a1 a2 a3 b1"
+
  coords="hide"
  edges="bottom"
+
  edges="bottom"
  coords="none"
+
  visible="area(d1,a4,f4,g2,g1)"
  contents="R c1 1:f1"
+
  contents="R g1 1:d1"
  />
+
  />
  
 
Red can connect the stone marked "1" to the bottom.  
 
Red can connect the stone marked "1" to the bottom.  
Line 13: Line 13:
  
 
There are infinitely many related templates, with the two red stones arbitrarily far apart, for example:
 
There are infinitely many related templates, with the two red stones arbitrarily far apart, for example:
 
<hexboard size="4x7"
 
  visible="-a1 a2 a3 b1"
 
  edges="bottom"
 
  coords="none"
 
  contents="R c1 1:g1"
 
  />
 
  
 
<hexboard size="4x8"
 
<hexboard size="4x8"
  visible="-a1 a2 a3 b1"
+
  coords="hide"
  edges="bottom"
+
  edges="bottom"
  coords="none"
+
  visible="area(d1,a4,g4,h2,h1)"
  contents="R c1 1:h1"
+
  contents="R h1 1:d1"
  />
+
  />
 +
 
 +
<hexboard size="4x9"
 +
  coords="hide"
 +
  edges="bottom"
 +
  visible="area(d1,a4,h4,i2,i1)"
 +
  contents="R i1 1:d1"
 +
  />
 
and so on. All of these templates work the same way: the stone "1" guarantees Red a second-row [[ladder]], and the other red stone acts as a 2nd-to-4th row [[switchback]], connecting to "1". The following is the best Blue can do (if Blue plays differently, Red will connect to the edge immediately):
 
and so on. All of these templates work the same way: the stone "1" guarantees Red a second-row [[ladder]], and the other red stone acts as a 2nd-to-4th row [[switchback]], connecting to "1". The following is the best Blue can do (if Blue plays differently, Red will connect to the edge immediately):
  
<hexboard size="4x8"
+
<hexboard size="4x9"
  visible="-a1 a2 a3 b1"
+
  coords="hide"
  edges="bottom"
+
  edges="bottom"
  coords="none"
+
  visible="area(d1,a4,h4,i2,i1)"
  contents="R c1 1:h1 3:h2 5:g3 7:f3 9:e3 11:d3 13:b3 15:d1 17:e1 19:f1 21:g1 B 2:g2 4:g4 6:f4 8:e4 10:d4 12:c4 14:c3 16:d2 18:e2 20:f2"
+
  contents="R i1 1:d1 3:c2 5:c3 7:d3 9:e3 11:f3 13:h3 15:h1 17:g1 19:f1 21:e1 B 2:d2 4:b4 6:c4 8:d4 10:e4 12:f4 14:g3 16:g2 18:f2 20:e2"
  />
+
  />
 +
 
 +
[[category:Edge templates]]

Latest revision as of 18:28, 23 June 2021

The template

1

Red can connect the stone marked "1" to the bottom.

Related templates

There are infinitely many related templates, with the two red stones arbitrarily far apart, for example:

1
1

and so on. All of these templates work the same way: the stone "1" guarantees Red a second-row ladder, and the other red stone acts as a 2nd-to-4th row switchback, connecting to "1". The following is the best Blue can do (if Blue plays differently, Red will connect to the edge immediately):

121191715322018165791114134681012