(;
AW [da][ea][ga][eb][ib][jb][kb][ec][fc][gc][hc][fd]
AB [ca][ka][la][db][lb][cc][dc][ic][jc][kc][lc][ed][gd][hd][id][ee][fe][cf]
SZ[19]
C[black to kill.]
(;B[hb]
(;W[ha] C[CHOICE]
(;B[ia] ;W[gb] ;B[ja] C[RIGHT correct.])
(;B[gb] ;W[fb] C[oops.])
(;B[ja] ;W[ia] C[white lives.])
)
(;W[gb] C[CHOICE]
(;B[ia] ;W[ha] ;B[ja] C[RIGHT correct.])
(;B[ja] ;W[ha] ;B[ia] C[RIGHT correct.])
)
(;W[fb] C[CHOICE]
(;B[ia] C[RIGHT correct.])
(;B[ha] C[RIGHT correct.])
(;B[ja] ;W[ha] ;B[ia] C[RIGHT correct.])
)
(;W[ia] C[CHOICE]
(;B[gb] ;W[ha] ;B[fb] ;W[fa] ;B[gb] C[RIGHT correct.])
(;B[ja] ;W[ha] ;B[gb] ;W[fb] C[oops.])
)
)
(;B[ia] ;W[hb] C[black’s J19 was the move played in the game.]
(;B[ja] ;W[fb] C[white lives.])
(;B[fb] ;W[ja] C[white lives.])
)
(;B[gb] ;W[hb] C[white lives.])
(;B[ja] ;W[ia]
(;B[hb] ;W[ha] C[white lives.])
(;B[gb] ;W[hb] C[white lives.])
(;B[fb] ;W[hb] C[white lives.])
(;B[ha] ;W[hb] C[white lives.])
(;B[fa] ;W[hb] C[white lives.])
)
(;B[fb]
(;W[ia] C[CHOICE]
(;B[gb] ;W[hb] C[white lives.])
(;B[hb] ;W[gb] C[white lives.])
(;B[ja] ;W[hb] C[white lives.])
)
(;W[hb] C[CHOICE] ;B[ja] ;W[ia] C[white lives.])
)
(;B[ha]
(;W[hb] C[CHOICE] ;B[ja] ;W[ia] C[white lives. white could tenuki, also.])
(;W[ia] C[CHOICE]
(;B[gb] ;W[hb] C[white lives.])
(;B[ja] ;W[hb] C[white lives.])
)
)
(;B[fa] ;W[ia]
(;B[gb] ;W[fb] C[white lives.])
(;B[ja]
(;W[gb] C[CHOICE white lives.])
(;W[hb] C[CHOICE white lives.])
(;W[fb] C[CHOICE white lives.])
)
)
)