(;GM[1]FF[4]SZ[19]
GN[Black to kill]
PC[http://senseis.xmp.net/?GokyoShumyoSection2Problem61/Attempts]AP[GoWiki:2009]
DT[2015-12-07]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection2Problem61/Attempts

Black to kill]
PL[B]

AB[bb][bc][dc][gc][jc][cd][dd][kd][ee][ge][ie][df][gf][if][eg]
AW[cb][cc][ec][hc][ed][gd][hd][jd][fe]

;B[gb]C[B1]MN[1]

;
)
