(;
AB[qd][od][jc][je][ic][hd][he][gc][gb][gf][ff][df][ce][dg][dh][ch][di][dj][dk][dl][cl][bl][gk][hl][jm][qo][pq][jq][fn][do][co][bo][cp][ap][bq][br][cr][ar][jg][jh]
AW[dr][dq][cq][dp][eq][fp][hq][eo][en][em][dm][cm][bn][an][ao][bk][ck][qk][qh][cj][ci][ai][aj][bh][cg][bf][cf][ag][cd][de][dc][ed][fc][fb][gd][ge][hc][hb][hf][hg][ih][hj][ik][kj]
C[Black plays.
Source:  "Attack and Defense", Ch. 2, pp. 39-40
         Akira Ishida & James Davies, Ishi Press]
(;
B[ji]
C[Brute force fails.];
W[kl];
B[km];
W[ll]
C[White escapes toward other stones.
Black's first move loses its value.]
)
    (;
    B[pk]
    C[Correct.];
    W[ql];
    B[qj];
    W[rj];
    B[pj];
    W[qi];
    B[pl];
    W[kl];
    B[km];
    W[ll];
    B[lm];
    W[ml];
    B[mm]
    C[Black runs White into Black's right
side stones while enclosing 40
points of territory below.  And white's
center group is cut off.]
    )
    (;
    B[pj]
    LB[pl:a]
    C[Black 1 is also the right idea, but
doesn't work as well with making
territory at the bottom.

Black A is also the right idea, but
may not cut off White's center group.]
    )
)
