Difference between revisions of "Edge template IV1a"

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m (Selinger moved page Defending against intrusions in template 1-IVa to Edge template IV1a over redirect: The page should be named like other template pages.)
(Converted to new hexboard diagrams)
 
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== The edge template IV-1-a ==
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Template IV1-a is a 4th row [[edge template]] with one stone.
  
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<hexboard size="4x7"
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  coords="none"
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  edges="bottom"
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  visible="area(e1,c2,a4,g4,g2,f1)"
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  contents="R e1"
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  />
  
<hex> R4 C7
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== Defending the template ==
Sa1 Sb1 Sc1 Sd1 Ve1 Sg1
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Sa2 Sb2
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  Sa3</hex>
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Red has at least two threats involving the [[ziggurat]]:
 
Red has at least two threats involving the [[ziggurat]]:
<hex> R4 C7
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<hexboard size="4x7"
Sa1 Sb1 Sc1 Sd1 Ve1 Sg1
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  coords="none"
Sa2 Sb2 Pc2 Vd2
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  edges="bottom"
   Sa3 Pb3 Pc3 Pd3
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   visible="area(e1,c2,a4,g4,g2,f1)"
  Pa4 Pb4 Pc4 Pd4 </hex>
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  contents="R e1 R d2 S area(c2,a4,d4,d2)"
and
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  />
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<hexboard size="4x7"
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  coords="none"
 +
  edges="bottom"
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  visible="area(e1,c2,a4,g4,g2,f1)"
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  contents="R e1 R f2 S area(f2,d4,g4,g2) f1 e2"
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  />
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Red also has a threat involving [[edge template III1b]]:
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<hexboard size="4x7"
 +
  coords="none"
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  edges="bottom"
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  visible="area(e1,c2,a4,g4,g2,f1)"
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  contents="R e1 R e2 S area(d2,b4,f4,f2)-d4"
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  />
  
<hex> R4 C7
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Since there is no hex in the overlap of all 3 threats, Blue cannot block Red's connection.
Sa1 Sb1 Sc1 Sd1 Ve1 Pf1 Sg1
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Sa2 Sb2        Pe2 Vf2 Pg2
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  Sa3            Pe3 Pf3 Pg3
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              Pd4 Pe4 Pf4 Pg4</hex>
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If Blue plays in the only [[Overlapping connections|common hex]] used in both threats, then Red leads to [[edge template III1b]].
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<hex> R4 C7
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Sa1 Sb1 Sc1 Sd1 Ve1 Sg1
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Sa2 Sb2 Pd2 Ve2 Pf2
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  Sa3    Pc3 Pd3 Pe3 Pf3
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      Pb4 Pc4 Hd4 Pe4 Pf4</hex>
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== See also ==
 
== See also ==

Latest revision as of 04:51, 12 December 2020

Template IV1-a is a 4th row edge template with one stone.

Defending the template

Red has at least two threats involving the ziggurat:

Red also has a threat involving edge template III1b:

Since there is no hex in the overlap of all 3 threats, Blue cannot block Red's connection.

See also

Multiple threats