(;
GM[1]
SZ[19]
AW[cf][he][hc][nc][pc][qb]
AB[dd][fd][ff][kc][qc][pd][pf][qj]
LB[qb:1]
C[Problem 44. Black to play.  

How should Black answer White 1 ? ]
;B[oc]
TE[2]
C[Correct Answer.  

Black must not passively play as in Problem 41. Instead he should take the initiative by playing 1. ]
;W[pb]
(;B[od]
C[If Black wants thickness, he can play the joseki from 3 to ... ]
;W[ob];B[nd];W[mc];B[le]
C[7. <= ]
)
(;B[ob]
C[Variation.  

If Black wants profit in the corner, he will block at 3. ]
;W[od];B[nb];W[nd];B[mb];W[pe];B[qd];W[qe];B[re];W[qf];B[rf];W[qg];B[rb]
C[The moves to 15 are also joseki. Black can make a deep invasion if  he knows these josekis. <= ]
)
)