(;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)]PL[1];;
AW[mb][nb][ob][rb][sb][oc][pc][qc]
AB[la][pa][lb][lc][mc][nc][rc][sc][od][pd][qd][re]
C[black to slaughter white
]
(;B[ra];W[qb];B[qa]C[white gets a seki: this is no good.
])
(;B[qb];W[pb]
(;B[qa];W[oa]
(;B[ra];W[sa]
(;B[qa];W[ma];B[qb]C[RIGHT
tricky, eh?
])
(;B[ma];W[qa])
)
(;B[ma];W[ra])
)
(;B[ra];W[qa]C[only a ko: no good
])
)
(;B[pb];W[qa])
(;B[ma];W[qa];B[na];W[oa])
)