Defense: Difference between revisions

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{{main|Kabe}}
{{main|Kabe}}


A tactic similar to suji, kabe uses "walls" forms by seeing all four of a tile to remove the possibility of ryanmen waits
Kabe is a tactic similar to suji. If all four copies of a tile are visible, then it is impossible to have a ryanmen wait on certain tiles nearby.


For example, if you can see all four copies of 3-pin, then 1-pin and 2-pin cannot possibly be part of a ryanmen wait. This is because no opponent can possibly have a 23 or 34 shape, because no opponent can have a 3 in the first place. Like suji, other waits are still possible. Kabe is comparable to suji (though kabe is safer), and should be used in a similar fashion.
For example, if you can see all four copies of 3-pin, then 1-pin and 2-pin cannot possibly be part of a ryanmen wait. This is because no opponent can possibly have a 23 or 34 shape, because no opponent can have a 3 in the first place. Tiles inside a kabe, such as 4-pin or 5-pin in this case, are not much safer, similar to how half suji are not much safer.
 
Like suji, other waits are still possible. Kabe is comparable to suji (though kabe is safer), and should be used in a similar fashion.


==The ways of defense and offense==
==The ways of defense and offense==
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