(;
AB[pd][pp][jp][ep][fp][fq]
AW[dd][do][cp][dq][eq][qn]
C[Black's response to the marked play?

Source:
    "All About the Pincer", Takagawa Shukaku
    Go World #8, p. 37]
TR[qn]
(;
B[np]
C[The conventional response, but ...];
W[ro];B[qq];W[qk]
C[... although the result is not bad, the game will be leisurely.]
)
    (;
    B[pj]
    C[Black can take the right side star point, but this move is not recommended.];
    W[qq]
    (;
    B[qp];W[pq];B[op];W[rp];B[ro];W[rq];B[qo];W[nq]
    TR[jp]
    C[The marked stone ends up in an unsatisfactory position that is neither urgent nor necessary.]
    )
        (;
        B[pq]
        C[Blocking on this side is possible, but ...];
        W[qp];B[po];W[rm]
        C[... Black has no really good continuation.];
        B[om]
        LB[pl:A]
        C[For example, Black can extend here, but is left with a weak point at A.  Black is dissatisfied.]
        )
    )
    (;
    B[pk]
    C[The 2 space extension isn't satisfactory either.];
    W[on]
    C[After White jumps out, ...];
    B[np]
    C[... extending here is obligatory.];
    W[rp];B[qq];W[rk]
    C[After White slides twice, all Black's hopes have been in vain.]
    )
    (;
    B[ql]
    C[A good response to White's approach.]
    (;
    W[on]
    C[Now if White jumps, ...];
    B[np]
    C[... Black can also extend.];
    W[ol];B[qj];W[mn];B[lp]
    C[Now White cannot get a base, while Black takes profit on both sides.]
    )
        (;
        W[qq]
        C[White can invade the corner, but ...];
        B[pq]
        C[... Black blocks on the correct side.];
        W[qp];B[po];W[rn];B[om]
        C[Black seals in White, while forming an ideal shape.  Black's thickness dominates the entire board.]
        )
    )
)

