(;GM[1]FF[4]SZ[19]
GN[Black weakens himself]
PC[http://senseis.xmp.net/?BQM263]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM263

Black weakens himself]
PL[B]

AB[dc]
AW[de]

;B[cf]C[B1]MN[1]
;W[ce]C[W2]MN[2]

;
)
