(;
AB[bp][bn][co][do][ep][fp][fq][fr][hr]
AW[er][eq][dp][cp][cr][ar]
C[Black plays.

Source:
    Korean life and death pamphlet]
(;
B[es]
C[Bad timing.];
W[bq]
C[White instantly make good eye-shape.];
B[bs];W[dr]
)
    (;
    B[bs]
    C[Trying to ruin the eye-space from the inside immediately doesn't work either.];
    W[bq]
    LB[dq:A]
    C[Again, White makes room for 2 eyes, one at A and one in the corner.]
    )
    (;
    B[dr]
    C[Attacking White's bad shape from the inside doesn't work either.];
    W[dq];B[bq];W[br];B[es];W[ds]
    )
    (;
    B[cq]
    C[Fails];
    W[bq]
    C[White happily gives up the outside stones to live.];
    B[dq];W[bs]
    )
    (;
    B[bq]
    C[This simple forcing move is the only move that works.];
    W[br]
    (;
    B[cq]
    C[Bad timing.];
    W[es]
    C[White takes the vital defensive point.];
    B[bs];W[dq]
    C[White lives.]
    )
        (;
        B[es]
        C[Nice move that exploits White's bad shape here.];
        W[ds]
        (;
        B[cq]
        C[Correct.];
        W[bs];B[dr]
        C[This throw-in destroys White's 2nd eye.]
        (;
        W[dq];B[dr]
        C[Snapback.]
        )
            (;
            W[fs];B[dq]
            C[White's 2nd eye is false.]
            )
        )
            (;
            B[dq]
            C[Not good enough.];
            W[dr]
            LB[cq:A][bs:B]
            C[White A and B are miai for life.]
            )
        )
    )
)

