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

Playing the ko (ii)]
PL[B]

AB[ga][ia][ka][gb][jb][kb][gc][ic][kc][gd][jd][kd][ge][ke][gf][jf][kf][gg][kg][gh][jh][kh][gi][hi][ii]
AW[ha][la][hb][ib][lb][hc][lc][hd][id][ld][he][je][le][hf][if][lf][hg][jg][lg][hh][ih][lh][ji][ki][li]
LB[jc:a]

;B[ie]C[B5]MN[5]
;W[ja]C[W6]MN[6]
;B[ig]C[B7]MN[7]

;LB[jc:a]
)
