(;GM[1]FF[4]SZ[19]
GN[Why Joaz thinks we may have to win the ko ( 5 fills )]
PC[http://senseis.xmp.net/?WuRenGo2/Black]AP[GoWiki:2009]
DT[2010-03-06]
C[Diagram from http://senseis.xmp.net/?WuRenGo2/Black

Why Joaz thinks we may have to win the ko ( 5 fills )]
PL[B]

AB[mb][fc][jc][nc][qc][cd][hd][kd][nd][od][pd][ce][fe][ge][he][ie][pe][qe][hf][of][pf][cg][og][mh][bi][ci][li][gj][oj][qj][gk][ik][jk][lk][mk][nk][dl][hl][ml][ol][pl][dm][hm][qm][dn][hn][on][io][po][ep][ip][jp][mp][pp][eq][iq][lq][pq][er][pr]
AW[nb][ob][qb][cc][dc][oc][pc][dd][qd][rd][de][je][le][re][ef][ff][gf][if][qf][hg][ig][lg][pg][rg][oh][ph][hi][ji][bj][hj][pj][ck][hk][il][ll][nl][cm][im][km][mm][nm][om][cn][in][mn][pn][qn][rn][co][ho][jo][ko][lp][qp][dq][mq][qq][dr][qr]
LB[or:a]

;B[kp]C[B1]MN[1]
;W[np]C[W2]MN[2]
;B[lo]C[B3]MN[3]
;W[mo]C[W4]MN[4]
;W[nq]C[W6]MN[6]
;B[no]C[B7]MN[7]
;W[oo]C[W8]MN[8]
;B[op]C[B9]MN[9]
;W[nn]C[W10]MN[10]

;LB[or:a]
)
