(;
GM[1]
SZ[19]
AW[dd][mc][oc][qb][pp]
AB[kd][qd][pf][qj][eq][cp]
LB[cj:B][id:A][ql:C][jq:D]
C[Problem 142. White to play.  

A joseki has just been played out in the upper right. How should White continue ? Should she play an attacking move or should she be satisfied just making a big point ? ]
(;W[cj]
TE[2]
C[Correct Answer.  

White should extend to 1, limiting the influence of Black's corner enclosure. ]
;B[nq];W[qn]
(;B[cl];W[oq];B[np];W[jp]
C[The game continued with the sequence to White 7. <= ]
)
(;B[jp]
LB[cl:@]
C[If White neglects to play 4 at @ and plays 4 here instead, ... ]
;W[cm]
C[... White will extend down the left side. <= ]
))
(;W[jq]
C[Failure.  

White 1 is not good ... ]
;B[cj]
LB[ql:C][jq:1][id:A]
C[... because Black can make an ideal extension from his corner enclosure with 2. White A or C are the next biggest points, but 1 and 2 take priority because no stones have been played in these areas yet. <= ]
)
)