(;GM[1]FF[4]SZ[19]
GN[The black group can be killed by the [double atari\] at 'a'. Can white do anything to make the group alive?]
PC[http://senseis.xmp.net/?WorstMoveProblem10]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?WorstMoveProblem10

The black group can be killed by the [double atari\] at 'a'. Can white do anything to make the group alive?]
PL[B]

AB[md][ie][ne][hf][if][jf][lf][of][hg][jg][kg][ih][jh][lh][ii][li][jj][kj][hk][ik][lk][mk][fl][gl][hl][ml][en][gn][ho]
AW[ic][kc][id][ee][ge][he][je][ke][kf][fg][gg][lg][mg][hh][mh][hi][mi][oi][fj][hj][ij][lj][mj][gk][jk][kk][nk][nl][fm][gm][jm][io][ko]
LB[ki:a]


;LB[ki:a]
)
