(;GM[1]FF[4]SZ[19]
GN[If White 2 at B (ko)]
PC[http://senseis.xmp.net/?OD1PAug11Problem/Failure]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OD1PAug11Problem/Failure

If White 2 at B (ko)]
PL[B]

AB[rm][ro][rp][qq][rq][nr][or][pr]
AW[ql][rl][pm][qn][pp][qp][mq][nq][oq][pq][mr][qr][rr]

;B[sr]C[B1]MN[1]
;W[sq]C[W2]MN[2]
;B[qs]C[B3]MN[3]
;W[ss]C[W4]MN[4]
;B[sp]C[B5]MN[5]
;W[rn]C[W6]MN[6]

;
)
