(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[6.50]TM[1800]OT[5x30 byo-yomi]
PW[Leexiang [KGS\]]PB[JLo [KGS\]]WR[7d]DT[13.07.2005]SO[BiGo Assistant Full Edition]US[BiGo Assistant Full Edition]C[arlequ1 :
black made 2 mistakes:
 - a first mistake at move 19, leading to a sub-optimal variation. (see variation for the correct pattern)
 - the loosing move at move 27. (see variations for better results)
]RE[W+Resign]
;B[qd]
;W[dc]
;B[dq]
;W[co]
;B[pp]
;W[fp]C[White want to start a complicate fight with the taisha joseki.]
;B[do]
;W[dp]
;B[ep]
;W[cp]
;B[eq]
;W[eo]
;B[dn]C[up to here is the normal beginning of the taisha joseki and its 1000 variations.]
;W[cq]C[3-3 point is an urgent point for both side (base + territory).]
;B[fq]C[f3 is the normal move]
(;W[en]LB[en:A][fo:B][gp:C]C[instead of A, B is common (see variation), but white might not be satisfied with the result.
C is also possible]
;B[dm]
;W[gp]LB[dm:2][en:1][gp:3]C[after 1, 2 and 3 are forced.
Black need now to get out at the bottom.]
(;B[gq]LB[gq:A][hr:B]C[MISTAKE 1
the shichou is good for black, so he should consider playing B instead (see variation).
]
;W[em]
;B[dl]
;W[el]
;B[dk]
;W[hq]
;B[hr]
;W[ir]C[the double-hane is severe !]
(;B[cr]LB[hp:A][iq:B]C[MISTAKE 2 (LOOSING MOVE)
black should exchange A for B first (see variation)]
;W[br]
;B[bs]
;W[gr]
;B[dr]
;W[bq]
;B[fr]
;W[hs]
;B[bn]
;W[es]
;B[fs]
;W[ar]
(;B[bo]C[after B5, white is dead unconditionnaly.
black's best resistance now was D1 (see variation), leading to a 1-step ko, but this is still hopeless for black.]
;W[ds]C[Black resigned here. Where is his losing move? Show it please and suggest the right pattern])
(;B[ds]
;W[gs]
;B[cn]
;W[as]
;B[bo]))
(;B[gs]C[black can connect to avoid the ko, forcing white to do the same, and then hane...]
;W[iq]
;B[cr]
;W[br]
;B[cs]
;W[bs]
;B[es]
;W[fj]C[but black lives in gote and white get very strong on the outside.
The result is good for white.])
(;B[hp]C[CORRECTION TO MISTAKE 2]
;W[iq]
;B[cr]
;W[br]
;B[bs]LB[hp:1][iq:2][br:4][cr:3][bs:5]C[black can also try to go for a ko, after creating a ko threat with 1.]))
(;B[hr]LB[em:B][hq:A][dr:C]C[CORRECT PATTERN
A is not possible for white because of the shichou, so he have to play B or C]
(;W[hq]C[here comes the shichou problem]
;B[ir]
;W[em]
;B[dl]
;W[gr]
;B[gq]
;W[fr]
;B[hp]
;W[iq]
;B[fo]
;W[go]
;B[jq]
;W[ip]
;B[ho]
;W[gn]
;B[io]C[shicho good for black])
(;W[dr]
;B[er]
;W[gq]
;B[gr]
;W[es]
;B[fr]
;W[br]
;B[em]
;W[gn]
;B[fn]
;W[fo]
;B[fm]
;W[gm]C[this is one possible variation.])))
(;W[fo]
;B[hq]
;W[bm]
;B[dl]
;W[ho]
;B[jp]
;W[gl]
;B[dj]TR[dc][dj][jp][pp]C[this is a comon variation.
Maybe white desliked this because black get nice position at the bottom, while d17 would be better at d16 to attack the floating black stones.]))