(;
GM[1]
SZ[19]
AW[bd][cf][ci][id][jc][ld][qf][pj]
AB[cc][dd][fd][jd][ic][me][nd][pd]
LB[id:5][ic:4][jc:3][me:2][ld:1]
C[Problem 58. Black to play.  

Black 2 gives White the chance to attach and cut with 3 and 5 on the left. With good play, however, Black can come out of this position with an advantage. How should Black play ? ]
(;B[kc]
TE[2]
C[Correct Answer.  

Black should atari with 1 ... ]
;W[jb];B[hc]
C[... and extend to 3. ]
;W[kd]
C[After 4, ... ]
;B[je];W[lc]
(;B[kf]
C[... Black confines White to the side with 7. ]
;W[nb]
C[White lives with 8. <= ]
)
(;B[ib]
LB[kf:@]
C[Instead of 7 at @, Black could play here. ]
;W[kb];B[mb]
C[<= ]
))
(;B[jb]
TE[2]
C[Correct Answer.  

Black could also play 1 ... ]
;W[kc];B[hc]
C[... and 3. ]
;W[je];B[hd];W[ie];B[kb];W[lb];B[mc];W[lc];B[he]
C[After 11, White's group is still not alive , so Black can make further gains by attacking it. <= ]
)
)