Difference between revisions of "Dead cell"
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Because the colour does not affect the result of the game, dead cells can be completely ignored from analysis. In [[computer Hex]], it can save a huge amount of time to check which cells need to be evaluated and which are irrelevant. | Because the colour does not affect the result of the game, dead cells can be completely ignored from analysis. In [[computer Hex]], it can save a huge amount of time to check which cells need to be evaluated and which are irrelevant. | ||
| − | The concept of dead cells can also be usefulf in human play, since it can help telling in which side of a [[bridge]] it is better to intrude. In the following example, if we assume that [[Red]] wants to keep its pawns connected then it is far better to play in field c3 for [[Blue]]. It helps [[gainning ground]] to play in c3, whereas if Blue had played b3 then c3 from Red would leave it dead. | + | The concept of dead cells can also be usefulf in human play, since it can help telling in which side of a [[bridge]] it is better to intrude. In the following example, if we assume that [[Red]] wants to keep its pawns connected then it is far better to play in field c3 for [[Blue]]. It helps [[stealing territory|gainning ground]] to play in c3, whereas if Blue had played b3 then c3 from Red would leave it dead. |
<hex>R5 C5 Q1 Ha3 Vb4 Vc2</hex> | <hex>R5 C5 Q1 Ha3 Vb4 Vc2</hex> | ||
Revision as of 23:38, 13 October 2008
A dead cell is a cell of which colour does not depend the outcome of the game.
Typical dead cells are useless triangles
In the following patterns, the dead cell is labelled with a star.
Usage
Because the colour does not affect the result of the game, dead cells can be completely ignored from analysis. In computer Hex, it can save a huge amount of time to check which cells need to be evaluated and which are irrelevant.
The concept of dead cells can also be usefulf in human play, since it can help telling in which side of a bridge it is better to intrude. In the following example, if we assume that Red wants to keep its pawns connected then it is far better to play in field c3 for Blue. It helps gainning ground to play in c3, whereas if Blue had played b3 then c3 from Red would leave it dead.
See Also
External link
Ryan Hayward's publication page contains research articles on dead cells.
