(;GM[1]FF[3]
RU[Japanese]SZ[19]HA[0]KM[5.5]
PW[White]
PB[Black]
GN[White (W) vs. Black (B)]
DT[1999-07-28]
SY[Cgoban 1.9.2]TM[30:00(5x1:00)];
AW[bf][cf][cg][dg][dh][di][dj][ak][bk][ck][dk]
AB[cc][dc][bd][bg][ah][ch][ci][aj][bj][cj]PL[2]LB[ah:1]
C[black just played 1. how does white kill black?
]
(;W[bi];B[af]
(;W[ae];B[be]C[only a ko
])
(;W[be];B[ae])
)
(;W[af]C[RIGHT
])
(;W[ae];B[bi])
(;W[be];B[bi])
)