Weak Carpenter's Square
Keywords: Life & Death
The weak carpenter's square is a carpenter's square without the connection at the corner of the shape. The vital point is the same, but this time White kills the corner by playing at a.
That is, the fact that the stone here is white, rather than Black, changes a the status of the group from ko to unsettled status.
Table of contents | Table of diagrams Weak carpenter's square Endgame technique Weak carpenter's square not really a carpenter's square not really a carpenter's square |
Discussion
If Black has secured life by playing on the vital point, there is an important endgame technique for White to remember: the forcing moves at 1 and 3.