(;
AB[dc][dd][de][fd][ef][eg][dh][ci][jd][pb][pc][pd][pe][qe][pf][of][og][fq][gp][gn]
AW[qb][qc][qd][re][rf][qf][pg][pj][qp][ip][eq][dp][dn][ch][dg][df][ce][cd][cc][kf]
C[Black's response to the marked play?

Source:
    American Go Journal, Fall 1990, Vol. 24, No. 4, p. 17
    "Jim's Journal", James Kerwin 1p
    The game is from the 6th US Go Congress.]
TR[kf];
B[kh]
C[The cap here shouldn't be a surprise to anyone.  Black has solid walls on both sides.  White will have to fight to live.];
W[kd]
(;
B[jc]
C[The descent here is a good solid move.  In this game, Black does not have to kill White to win, so Black's strategy should be to make White's life difficult, but not to take unecessary risks to kill White. ];
W[je]
C[White tries to make some shape.];
B[jg]
C[Black takes a key point and hinders White's eye shape.];
W[kc];B[jb]
C[Black continues to make solid moves.];
W[lh]
C[The following is one possible sequence.];
B[lg];W[kg];B[li];W[mh];B[mg];W[jh];B[ki];W[ig];B[ji];W[ih];B[ii]
C[White is not yet alive or dead.  But Black has already accomplished 3 things by attacking White, viz., made some territory in the top left, kept White's center potential to a minimum, and created new center influence.]
)
    (;
    B[kc]
    C[This move might seem tempting, but ...];
    W[jc]
    C[... this cross cut gives White a lot of forcing moves.]
    )
)

