(;GM[1]FF[3]
RU[Japanese]SZ[19]HA[0]KM[5.5]
PW[White]
PB[Black]
GN[White (W) vs. Black (B)]
DT[1999-07-27]
SY[Cgoban 1.9.2]TM[30:00(5x1:00)];AW[rp][qq][sq][pr][qr]
AB[rm][qo][ro][qp][oq][pq][mr][or]LB[nn:A]
C[can black do anything against the corner? play at A if not
]
(;B[rs];W[rr]
(;B[so]
(;W[sp];B[sr]C[RIGHT
ko
])
(;W[qs];B[sp];W[ss];B[rq]C[RIGHT
ko
])
)
(;B[ps];W[qs]
(;B[sr];W[ss])
(;B[so];W[ss])
(;B[ss];W[sp])
)
(;B[ss];W[sp]
(;B[ps];W[qs])
(;B[sr];W[qs])
)
)
(;B[so];W[rs]
(;B[sr];W[ps])
(;B[rr];W[sr])
)
(;B[nn];W[rs]C[white lives
])
(;B[rr];W[rs]
(;B[sr];W[ps])
(;B[ps];W[sr])
(;B[so];W[sr])
)
(;B[ps];W[rr]
(;B[so];W[sp])
(;B[rs];W[qs])
(;B[qs];W[rs])
)
(;B[sr];W[rr]
(;B[so];W[ss]
(;B[sp];W[rq])
(;B[ps];W[qs])
)
(;B[ps];W[ss])
)
(;B[qs];W[rs]
(;B[rr];W[ps])
(;B[ps];W[rr])
)
)