(;GM[1]FF[4]SZ[19]
GN[What can Black do to secure victory?]
PC[http://senseis.xmp.net/?BQM394]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM394

What can Black do to secure victory?]
PL[B]

AB[dc][dd][fd][fe][cg][bi][bj][gk][cm][em][gm]
AW[ec][fc][gd][eh][gh][cj][ej][bk][ck][il][gn][hn]

;B[ge]C[B1]MN[1]
;W[hd]C[W2]MN[2]
;B[he]C[B3]MN[3]
;W[id]C[W4]MN[4]

;
)
