(;
AB[bs][br][aq][bp][cp][eq][er]
AW[ao][bo][co][do][ap][fq][fr][ep][fo][fs]
C[Can White kill?

Source:  Yomiuri newspaper, online column.

Analysis:  Myron Souris]
(;
W[cq]
C[The column claimed that this placement kills Black.  But is that true?]
(;
B[cr]
C[So far, Black's defense is correct.]
(;
W[dp]
(;
B[bq]
C[But the column only gave this inferior defense.];
W[dr]
C[Now White has this beautiful wedge tesuji.];
B[dq];W[ds]
C[Black's liberty shortage leaves only 1 eye.]
)
    (;
    B[dr]
    C[Instead, Black can live by taking the vital point.];
    W[bq]
    C[Capturing the 2 stones is sente, but ...];
    B[ar]
    C[... Black lives in gote.]
    )
)
    (;
    W[dr]
    C[Taking away the vital point of Black's defense doesn't work either.];
    B[dq]
    (;
    W[ds];B[dp]
    C[Black connects to form a 2nd eye.]
    )
        (;
        W[dp];B[ds]
        C[Black can sacrifice the 2 stones.];
        W[bq];B[es]
        C[Again Black lives.]
        )
    )
)
    (;
    B[dq]
    C[Note that this defense does indeed fail.];
    W[dp]
    (;
    B[bq];W[dr];B[cr];W[ds]
    C[Black dies from a liberty shortage.]
    )
        (;
        B[cr]
        C[Too late.];
        W[bq];B[ar];W[es]
        C[Black can only make 1 eye.]
        )
    )
)
    (;
    W[cr]
    C[Also fails to kill.  Black has multiple ways to live that you may want to work out as an exercise.]
    )
    (;
    W[dr]
    C[Also fails to kill.  Again, Black has multiple ways to live.]
    )
)

