(;
GM[1]
SZ[19]
AW[cf][hc][nc]
AB[dd][fd][pd][pf][qj]
C[Problem 38. Black to play.  

Here is a position that often occurs in handicap games. Where should  Black invade ? ]
(;B[kd]
TE[2]
C[Correct Answer.  

The high invasion of Black 1 is correct. <= ]
)
(;B[kc]
C[Dangerous.  

Invading deeply at 1 is also possible, but this could be risky because White would have many chances to seize the initiative. <= ]
)
)