(;GM[1]FF[4]SZ[19]
GN[Black to live]
PC[http://senseis.xmp.net/?WorstMoveProblem11/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?WorstMoveProblem11/Solution

Black to live]
PL[B]

AB[mn][lo][no][lp][np][op][lq][oq][lr][mr][nr][or][pr]
AW[ml][jm][lm][nm][ln][nn][qn][ko][oo][po][kp][mp][pp][kq][mq][pq][ir][kr][qr][os][ps]
CR[mp][mq]

;B[qq]C[B1]MN[1]
;W[rq]C[W2]MN[2]
;B[ns]C[B3]MN[3]
;W[ls]C[W4]MN[4]
;B[qs]C[B5]MN[5]

;CR[mp][mq]
)
