(;
GM[1]
SZ[19]
AW[dl][em][dn][fq][hq][qf][qm][ho][gn][fl]
AB[pj][dj][dp][pd][pp][dd][en][eo][cq][jq][np][nd][fm][hn][io]
LB[fl:4][fm:3][gn:2][hn:1]
TR[ho]
C[Problem 58. Black to play.  

After White attached with the marked stone (see Problem 54), Black haned with 1, then exchanged 3 for 4. How should Black continue ? ]
(;B[hp]
TE[2]
C[Correct Answer.  

Black should atari with 1. ]
(;W[go]
C[If White connects with 2, ... ]
;B[gp]
C[... Black pushes through with 3. ]
;W[fp]
C[If White 4, ... ]
;B[ip]
LB[gm:B][fo:A]
C[... Black connects at 5 and the points A and B are miai. White has lost her stones at the bottom . <= ]
)
(;W[gp]
LB[hp:1]
C[Variation.  

In response to Black 1, White can resist with 2 ... ]
;B[go];W[fo]
C[... and 4, but ... ]
;B[ho]
LB[gm:B][fn:A]
C[... Black connects with 5 and White's stones are again trapped, since A and B are miai. <= ]
))
(;B[gm]
TR[fl]
C[How the game continued.  

When White haned with the marked stone, Black extended to 1. ]
;W[in]
C[This gave White the chance ... ]
;B[hm];W[ip];B[jo];W[jp];B[kp];W[ko]
C[... to cut through with the sequence to 8 and ... ]
;B[jn];W[lp]
C[... cut off the three black stones at the bottom with 10 ... ]
;B[kq];W[lq]
C[... and 12. <= ]
)
)