(;
GM[1]
SZ[19]
AW[ch][jc][lc][pc][qf]
AB[dc][cf][hc][nc]
LB[lc:2][nc:1]
C[Problem 82. Black to play.  

White pincers the marked Black stone with 2. If you've never seen it before, Black's next move might surprise you. ]
(;B[pe]
TE[2]
C[Correct Answer.  

Black 1 is an interesting move. There are other moves, such as attaching at A or B. However, you should not neglect to learn the variation starting with Black 1. <= ]
)
(;B[ne]
C[Failure.  

Simply jumping out with Black 1 ... ]
;W[pe]
C[... lets White defend the corner with 2. This is a steady move and there are no longer any weaknesses in White's position. <= ]
)
(;B[pd]
TE[2]
C[Correct Answer.  

Also possible. <= ]
)
(;B[qc]
TE[2]
C[Correct Answer.  

Also possible. <= ]
)
)