(;
GM[1]
SZ[19]
AW[dc][gc][hc][ic][kc][dh][pp]
AB[ce][fe][hd][id][jd][pd][dp]
LB[kc:6][jd:5][ic:4][id:3][hc:2][hd:1]
C[Problem 57. Black to play.  

Black will sometimes press White at the top with the sequence to 5. What should Black do after White 6 ? ]
;B[dj]
TE[2]
C[Correct Answer.  

Black should use his thickness along the top by pincering with 1. ]
;W[fh]
C[If White jumps to 2, ... ]
;B[hh]
C[... Black caps at 3. ]
;W[ej];B[ek];W[fj];B[di];W[eh]
C[After the sequence to White 8, ... ]
;B[dm]
LB[hj:A]
C[... Black can play at 9 or at A. For an analysis of the joseki in the Problem Diagram, refer to Get Strong at Joseki 1, Problems 142, 144, 148, 151, 156, and 158. <= ]
)
)