Difference between revisions of "Edge template IV2k"

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(Created page with "The template: <hexboard size="4x6" coords="hide" contents="E *:a1 E *:b1 E *:c1 E *:d1 E *:e1 R f1 E *:a2 E *:b2 R d2 E *:a3" /> (From Mike Amling, see: [http://...")
 
(Converted to new hexboard diagrams)
 
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The template:
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Template IV2-k is a 4th row [[edge template]] with 2 stones.
  
 
<hexboard size="4x6"
 
<hexboard size="4x6"
 
   coords="hide"
 
   coords="hide"
   contents="E *:a1 E *:b1 E *:c1 E *:d1 E *:e1 R f1 E *:a2 E *:b2 R d2 E *:a3"
+
  edges="bottom"
 +
  visible="-area(a1,a3,c1,e1)"
 +
   contents="E *:a1 E *:b1 E *:c1 E *:d1 E *:e1 R ↑:f1 E *:a2 E *:b2 R d2 E *:a3"
 
   />
 
   />
 +
 +
Red can guarantee to connect the stone marked "↑" to the edge. Red can also guarantee the other stone to be connected to the edge (using the [[ziggurat]] template), but not both stones simultaneously.
 
    
 
    
 
(From Mike Amling, see: [http://www.drking.org.uk/hexagons/hex/templates.html www.drking.org.uk])
 
(From Mike Amling, see: [http://www.drking.org.uk/hexagons/hex/templates.html www.drking.org.uk])
 +
 +
== Defending the template ==
  
 
Red has two threats:
 
Red has two threats:
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<hexboard size="4x6"
 
<hexboard size="4x6"
 
   coords="hide"
 
   coords="hide"
   contents="E *:a1 E *:b1 E *:c1 E *:d1 E *:e1 R f1 E *:a2 E *:b2 R d2 E +:e2 E +:f2 E *:a3 R 1:e3 E +:d4 E +:e4"
+
  edges="bottom"
 +
  visible="-area(a1,a3,c1,e1)"
 +
   contents="E *:a1 E *:b1 E *:c1 E *:d1 E *:e1 R ↑:f1 E *:a2 E *:b2 R d2 E +:e2 E +:f2 E *:a3 R A:e3 E +:d4 E +:e4"
 
   />
 
   />
  
Line 19: Line 27:
 
<hexboard size="4x6"
 
<hexboard size="4x6"
 
   coords="hide"
 
   coords="hide"
   contents="E *:a1 E *:b1 E *:c1 E *:d1 E *:e1 R f1 E *:a2 E *:b2 E +:c2 R d2 R 1:e2 E *:a3 E +:b3 E +:c3 E +:d3 E +:a4 E +:b4 E +:c4 E +:d4"
+
  edges="bottom"
 +
  visible="-area(a1,a3,c1,e1)"
 +
   contents="E *:a1 E *:b1 E *:c1 E *:d1 E *:e1 R ↑:f1 E *:a2 E *:b2 E +:c2 R d2 R B:e2 E *:a3 E +:b3 E +:c3 E +:d3 E +:a4 E +:b4 E +:c4 E +:d4"
 
   />
 
   />
  
 
using the [[ziggurat]].
 
using the [[ziggurat]].
  
For a blocking attempt Blue has to play on one of the overlapping fields:
+
For a blocking attempt, Blue has to play on one of the overlapping fields:
 
+
  
 
<hexboard size="4x6"
 
<hexboard size="4x6"
   contents="E *:a1 E *:b1 E *:c1 E *:d1 E *:e1 R f1 E *:a2 E *:b2 R d2 E +:e2 E *:a3 E +:d4"
+
  coords="hide"
 +
  edges="bottom"
 +
  visible="-area(a1,a3,c1,e1)"
 +
   contents="E *:a1 E *:b1 E *:c1 E *:d1 E *:e1 R ↑:f1 E *:a2 E *:b2 R d2 E x:e2 E *:a3 E y:d4"
 
   />
 
   />
  
Move 1 (e2):
+
If Blue moves at x:
  
 
<hexboard size="4x6"
 
<hexboard size="4x6"
 
   coords="hide"
 
   coords="hide"
   contents="E *:a1 E *:b1 E *:c1 E *:d1 E *:e1 R f1 E *:a2 E *:b2 R d2 B 1:e2 R 2:f2 E *:a3 R 6:d3 R 4:e3 B 5:d4 B 3:e4"
+
  edges="bottom"
 +
  visible="-area(a1,a3,c1,e1)"
 +
   contents="E *:a1 E *:b1 E *:c1 E *:d1 E *:e1 R ↑:f1 E *:a2 E *:b2 R d2 B 1:e2 R 2:f2 E *:a3 R 6:d3 R 4:e3 B 5:d4 B 3:e4"
 
   />
 
   />
  
 
Red is connected by [[Edge_template_III2b|III-2-b]].
 
Red is connected by [[Edge_template_III2b|III-2-b]].
  
Move 2 (d4):
+
If Blue moves at y:
  
 
<hexboard size="4x6"
 
<hexboard size="4x6"
 
   coords="hide"
 
   coords="hide"
   contents="E *:a1 E *:b1 E *:c1 E *:d1 E *:e1 R f1 E *:a2 E *:b2 R d2 E *:a3 R 4:d3 R 2:e3 B 1:d4 B 3:e4"
+
  edges="bottom"
 +
  visible="-area(a1,a3,c1,e1)"
 +
   contents="E *:a1 E *:b1 E *:c1 E *:d1 E *:e1 R ↑:f1 E *:a2 E *:b2 R d2 E *:a3 R 4:d3 R 2:e3 B 1:d4 B 3:e4"
 
   />
 
   />
  

Latest revision as of 17:52, 10 December 2020

Template IV2-k is a 4th row edge template with 2 stones.

Red can guarantee to connect the stone marked "↑" to the edge. Red can also guarantee the other stone to be connected to the edge (using the ziggurat template), but not both stones simultaneously.

(From Mike Amling, see: www.drking.org.uk)

Defending the template

Red has two threats:

A

and

B

using the ziggurat.

For a blocking attempt, Blue has to play on one of the overlapping fields:

xy

If Blue moves at x:

126453

Red is connected by III-2-b.

If Blue moves at y:

4213

Again Red is connected by III-2-b.

See also