(;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[dd][jd][do][dp][fp][ip][dq][eq][gq][nq][er][pr]
AB[pc][pe][cn][pn][fo][cp][gp][pp][cq][fq][cr][dr][fr]LB[fo:1]PL[2]
C[black played 1. best way to respond?
]
(;W[gr];B[fs]
(;W[ep];B[hp]
(;W[iq]
C[RIGHT
black needs a move at F1, white makes territory and splits black
])
(;W[hq]TR[iq]C[this is bad; it leaves bad aji at J3
])
(;W[gs];B[hq]C[now white is cut
]LB[hr:A][es:B])
(;W[es];B[hq]C[white is cut, black will force white to take
]
MA[gq][gr]LB[hr:A][gs:B])
)
(;W[gs];B[ep]
(;W[es];B[fp]MA[gq][gr][gs]
C[bad: white needs a move to save G3 stones
])
(;W[eo];B[fp];W[es]C[bad
])
)
(;W[hp];B[ep])
(;W[hq];B[ep])
(;W[iq];B[ep])
)
(;W[ep];B[hq]
(;W[gr];B[hr]
(;W[fs];B[hp]C[white's bottom center gone, and only has one eye here
])
(;W[gs];B[hs];W[fs];B[hp])
)
(;W[hr];B[gr])
(;W[hp];B[gr])
)
(;W[fs];B[gr]
(;W[hq];B[ep])
(;W[ep];B[hq])
(;W[hq];B[ep])
)
(;W[go];B[ep])
(;W[eo];B[ep])
(;W[fn];B[ep])
(;W[es];B[ep])
(;W[hp];B[ep])
)