(;GM[1]FF[4]SZ[19]
GN[Fighting the ko]
PC[http://senseis.xmp.net/?TsumegoFromGames37/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?TsumegoFromGames37/Solution

Fighting the ko]
PL[W]

AB[fb][gb][hb][jb][kb][pb][cc][dc][gc][jc][mc][nc][oc][pc][cd][id][kd][pd][ce][de][he][ke][cf][cg][dg][ch][jh][kh][mh][bi][bj][cj][dj][fj][gj][hj][kj][mj][dk][gk][ik][jk][pk][dl][hl][nl][pl]
AW[fa][eb][lb][mb][nb][ob][ec][fc][kc][lc][dd][fd][ld][md][nd][od][ee][ie][pe][df][ff][if][pf][eg][kg][lg][pg][dh][ih][oh][ci][di][fi][gi][ii][ni][pi][ij][jj][nj][pj][bk][kk][mk][nk][ok][el][fl][il][kl][ml]

;W[ga]C[W1]MN[1]
;B[ge]C[B2]MN[2]
;W[gd]C[W3]MN[3]
;B[hd]C[B4]MN[4]
;W[ka]C[W5]MN[5]
;B[fe]C[B6]MN[6]
;W[ef]C[W7]MN[7]
;B[ed]C[B8]MN[8]

;
)
