(;
GM[1]
SZ[19]
AW[dc][cf][dp][rq][qo][pn]
AB[kq][np][pq][pl][pi][qd][od]
C[Problem 162. White to play.  

Where should White play in this position ? ]
(;W[jc]
TE[2]
C[Correct Answer.  

White should extend to 1. ]
;B[lc]
C[If Black plays the checking extension of 2, ... ]
;W[je]
C[... White will exchange 3 ... ]
;B[le]
C[... for 4, ... ]
;W[dk]
C[... then make a double-wing formation in the upper left. White's moyo is bigger in scale than Black's. <= ]
)
(;W[mc]
C[Failure.  

White 1 is an overplay. ]
;B[jc]
C[Black is strong on the right, so he can pincer at 2 and ... ]
;W[me];B[gc]
LB[me:3]
C[... extend to 4 after 3. Black has stabilised his stones at the top, but White's are now floating in the center. <= ]
)
)