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GM[1]
SZ[19]
AW[fc][jd][nc][ld]
AB[dd][df][pd][pf][lc]
LB[ld:2][lc:1]
C[Problem 29. Black to play.  

What should Black do when White attaches at 2 ? ]
;B[kd]
TE[2]
C[Correct Answer.  

Against White's attachment you should remember Black's wedge in at 1. This is Black's strongest reply. ]
;W[ke]
C[If White blocks at 2, ]
;B[kc];W[md];B[jc];W[id];B[hb];W[gd];B[mb]
C[... Black lives up to 9 and ... ]
;W[nb];B[pb]
C[... takes the corner with 11. White's compensation is her wall in the center, but it has cutting points at which Black can aim. <= ]
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)