(;
GM[1]
SZ[19]
AW[dd][dp][dn][po][ok][nc][jd]
AB[fq][jp][pq][np][qk][pd][pf]
LB[po:1][np:2][ok:3]
C[Problem 74. Black to play.  

After 2, White strikes at the weak point of the low Chinese opening by capping at 3. How should Black prevent White from making sabaki ? ]
(;B[qm]
TE[2]
C[Correct Answer.  

Black 1 is a sharp move. White has to keep her stones linked, ... ]
(;W[pl]
C[... so she plays 2 ... ]
;B[ql];W[pm]
C[... and 4. ]
;B[pi]
C[When Black now plays 5, White's stones are rootless, floating in the center, so Black will be able to gain more profit by attacking them. <= ]
)
(;W[on]
LB[pl:@]
C[Failure for White.  

The forcing move at @ in the Correct Answer is necessary. If White simply plays 2 here, ... ]
;B[om]
C[... Black will play 3 and, ... ]
;W[nm];B[nl];W[ol];B[pm];W[mm]
C[... after 8, ... ]
;B[nk]
C[... Black can fight with 9. <= ]
))
(;B[pi]
C[Failure.  

The proverb advises us to answer a cap with a knight's move, but if Black plays 1, ... ]
;W[ql];B[rl];W[rk];B[rj];W[pk];B[qj];W[rm]
C[... White makes sabaki within Black's moyo, ... ]
;B[sk]
C[... ending in sente. <= ]
)
)