(;GM[1]FF[4]SZ[13]
GN[Win ko]
PC[http://senseis.xmp.net/?BillSpight/ReviewOfAllAboutKo]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BillSpight/ReviewOfAllAboutKo

Win ko]
PL[B]

AB[ha][ja][ka][ma][gb][hb][jb][lb][cc][dc][ec][fc][gc][kc][lc][cd][id][ld][ce][fe][ge][he][ie][je][bf][ff][jf][kf][lf][bg][eg][fg][jg][fh][jh][kh][ci][di][gi][hi][ii][dj][ej][fj][gj][hj][jj][ck][dk][ek][al][bl][dl]
AW[ia][ib][mb][hc][ic][jc][dd][ed][fd][gd][hd][jd][kd][de][ee][ke][le][me][cf][df][ef][mf][ag][cg][dg][kg][lg][bh][ch][dh][eh][lh][bi][ei][fi][ji][ki][bj][cj][ij][kj][ak][bk][fk][hk][ik][el][fl][il]

;B[mc]C[B1]MN[1]
;W[be]C[W2]MN[2]
;B[bd]C[B3]MN[3]
;W[af]C[W4]MN[4]

;
)
