(;
GM[1]
SZ[19]
AW[dd][dj][dp][jd][nc]
AB[pd][pf][pk][pq][jp]
LB[dj:1]
C[Problem 63. Black to play.  

White concentrates on building her own moyo by making a sanren-sei with 1, ignoring what Black might do next. How should Black play ? ]
(;B[fq]
TE[2]
C[Correct Answer.  

Black should approach with 1, ... ]
;W[dn]
C[... then, when White answers with 2, ... ]
;B[op]
LB[po:A]
C[... strengthen his corner with 3 or A. Black has taken the initiative and is on the road to victory. <= ]
)
(;B[cf]
C[Failure.  

In this kind of position, Black must never make an approach move inside White's sphere of influence, ... ]
;W[ce]
C[... for he will come under a severe attack with the sequence from 2 ... ]
;B[df];W[fd];B[dh];W[ci]
C[... to 6. <= ]
)
)