(;GM[1]FF[4]SZ[13]
GN[White should win the ko now]
PC[http://senseis.xmp.net/?KoFightExercise1/Solution]AP[GoWiki:2009]
DT[2011-12-25]
C[Diagram from http://senseis.xmp.net/?KoFightExercise1/Solution

White should win the ko now]
PL[W]

AB[ea][ga][ia][ka][ab][bb][cb][db][eb][gb][hb][ib][jb][ac][jc][kc][bd][cd][dd][ed][hd][je][ke][me][af][bf][df][ef][ff][gf][hf][if][kf][ag][cg][eg][gg][kg][ah][bh][ch][fh][kh][ci][fi][ki][aj][bj][dj][fj][ij][jj][kj][lj][mj][fk][ik][fl][il][fm][im]
AW[fa][la][ma][fb][kb][mb][bc][cc][dc][ec][fc][gc][hc][ic][lc][mc][fd][id][jd][kd][ld][ae][be][ce][de][ee][fe][he][ie][le][cf][lf][dg][lg][dh][mh][di][li][mi][cj][ej][ak][bk][ck][ek][jk][kk][lk][mk][cl][el][jl][cm][em][jm][lm]
CR[bg]

;W[lb]C[W1]MN[1]
;B[ad]C[B2]MN[2]
;W[ei]C[W3]MN[3]
;B[lh]C[B4]MN[4]
;W[mg]C[W5]MN[5]
;B[ge]C[B6]MN[6]
;W[gd]C[W7]MN[7]

;CR[bg]
)
