(;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[cj][dm][im][cn][hn][fo][ho][gp][dq][eq][fq][hq]
AB[fk][fm][gn][eo][go][jo][cp][ep][fp][cq][jq][lq]TR[cn]
C[the marked stone threatens to cut. how to respond?
]
(;B[gr]
(;W[gq];B[co]
C[RIGHT
black gets the peep for free before protecting the cut
])
(;W[hr]
C[if white plays here, black doesn't need to protect the cut any more... watch
]
;B[fi];W[dp];B[do];W[co];B[gq];W[hp];B[fr]C[white dies
])
)
(;B[co]LB[gr:A][hr:B]C[ajikeshi: now white can answer A at B
])
(;B[dp]C[bad shape
])
(;B[dn];W[do];B[en];W[dp])
(;B[do]C[bad shape
])
(;B[bn];W[bm])
(;B[cm];W[dp];B[do];W[co]
(;B[dn];W[en])
(;B[cl];W[en];B[fn])
)
(;B[cl];W[dp])
(;B[cr];W[dp])
(;B[bo];W[dp])
)