(;
GM[1]
SZ[19]
AW[jc][ne][oe][oc][pf]
AB[dd][hc][le][lc][pe][qd][of]
LB[pd:A][pf:1]
C[Problem 17. Black to play.  

White cuts with 1. How should Black respond ?  

<See Reference Diagram 17 for White 1 at A.> ]
;B[qf]
TE[2]
C[Correct Answer.  

Black should atari with 1 and ... ]
;W[pg];B[qg];W[ph];B[qh]
LB[qg:3]
C[... take profit by crawling with 3 and 5. ]
;W[pi]
C[After White 6, ... ]
;B[lg]
C[... Black jumps to 7, and he dominates the top left.  <= ]
)
)