(;
GM[1]
SZ[19]
AW[dd][dp][jp][qi][qf][pf]
AB[pk][pp][qe][pd][nd][jd]
LB[qi:1]
TR[pk]
C[Problem 79. Black to play.  

After White plays 1, the marked stone seems to be a bit thin. How should Black continue ? ]
(;B[rj]
TE[2]
C[Correct Answer.  

Black should play 1, a move which attacks White and strengthens his position on the lower right. <= ]
)
(;B[pn]
C[Failure.  

Making a corner enclosure with 1 is bad. ]
;W[rk]
C[White slides to 2, settling her stones while eating into Black's territory on the lower right side. <= ]
)
)