(;GM[1]FF[4]CA[UTF-8]
SZ[19]RU[Japanese]KM[5.5]TM[1800,0,30,5]PW[White]PB[Black]GN[White (W) vs. Black (B)]DT[1999-07-28]SY[Cgoban 1.9.2]
;AW[dn][gp][hp][eq][fq][cr]AB[do][fo][go][ho][dp][fp][jp][pp]C[black's best move? (hint: around existing stones)
]
(;B[hr]
(;W[iq]
(;B[jq]
;W[ir]
(;B[jr]
;W[js]
(;B[ks]
;W[is]LB[lr:A]C[please play at A. no, i'm not trying to trick you...
]
;B[lr]
;W[io]C[white shouldn't do this, but if she does...?
]
(;B[ip]
;W[hq]C[white needs this move: hence this sequence
]
(;B[in]
;W[jo]
(;B[kn]C[RIGHT
white caught in a net
])
(;B[ko]C[oh so close, but tragically wrong. net is better.
]))
(;B[gr]
;W[gq]C[now that's just a wasted ko-threat
]))
(;B[jo]
;W[ip]
;B[in]
;W[gq]C[black has two cutting points. there exists a better option
]))
(;B[ip]
;W[hq]
;B[ks]
;W[is]
;B[lr]
;W[io]
;B[in]C[RIGHT
]))
(;B[ip]
;W[jr]
(;B[hq]
;W[gq]
(;B[kr]
;W[gr])
(;B[gr]
;W[fr]))
(;B[gq]
;W[hq]
;B[gr]
;W[kr])))
(;B[ir]
;W[jq]C[black's in deep doo-doo
])
(;B[ip]
;W[ir]CR[ir]C[this sequence is inferior for black. the reason is complicated, so explore the correct answer]))
(;W[gr]C[this is how white should answer in reality
]))
(;B[dq]
;W[dr]C[aji-keshi: no good
])
(;B[ip])
(;B[ip]
;W[hr]LB[io:A][jr:B]C[not good: white has the cut at A and an open skirt at B
])
(;B[bq]
;W[br])
(;B[dr]
;W[dq]
;B[cq]
;W[bq]
;B[cp]
;W[br])
(;B[cq]
;W[br])
(;B[iq]
;W[hr]LB[io:A]C[white has a cut at A
])
(;B[cn]C[not urgent
])
(;B[gr]
;W[hr]C[bad
]))
adum