(;
AB[pd][dd][fd][jc][je][nd][qe][qf][pj][qj][qi][qm][nl][oq][dp][eq][dn][fn]
AW[cf][ef][cj][pf][pg][qh][rh][pi][oi][qp][po][np][lq][fq][fp][pl]
C[Black's response to the marked stone?

Source:
    American Go Journal, Fall 1991, Vol. 25, No. 4, p. 24
    "Masterpieces of Handicap Go"
    3 stone handicap
    Hayashi Fumiko 1 dan (16 years old) vs.  Shuei Honinbo 7 dan
    Game played on Dec. 2, 1891]
TR[pl]
(;
B[ql]
C[Blocking on the right looks solid, but does not work out well.]
(;
W[pm]
C[White can simply pull back.]
(;
B[oj]
C[If Black pushes up, ...];
W[nj]
C[... White simply blocks here threatening the cut.  Black ends up with very bad shape.]
)
    (;
    B[ok]
    C[Running out is no better.];
    W[qn]
    TR[ok]
    C[White will block here.  This result is also painful for Black, because Black's marked move does nothing except run away on dame points.]
    )
)
    (;
    W[oj]
    C[Note that White should not try to cut here.];
    B[ok];W[pk];B[pm];W[ol];B[om]
    C[Black can sacrifice a stone to squeeze White for a reasonable result.]
    )
)
    (;
    B[pm]
    C[In the game Black correctly blocked from below.];
    W[ql]
    C[White tries to make things complicated, but ...];
    B[rm]
    C[... rather than let White's 2 stones escape too easily, Black resolutely descends.];
    W[rl];B[rk]
    C[The only move.  Black keeps up the pressure by keeping White from connecting with the upper stones.];
    W[sm];B[ro];W[ok];B[oj];W[nk];B[nj];W[mk];B[ni];W[ng];B[li]
    C[And Black can keep up the pressure on White's upper group.

Note that Black's lower group is not as weak as it looks.];
    W[rp]
    C[For example, if White would block, ...];
    B[sn]
    C[... Black can start here to strengthen his group.];
    W[sl]
    LB[ol:A][nn:B][qo:C]
    C[After White connects, Black has forcing moves at A, B, and C, so White shouldn't be able to kill Black.]
    )
)

