(;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]RE[W+Resign] ;B[qd] ;W[dc] ;B[dq] ;W[co] ;B[pp] ;W[fp] ;B[do] ;W[dp] ;B[ep] ;W[cp] ;B[eq] ;W[eo] ;B[dn] ;W[cq] ;B[fq] ;W[en] ;B[dm] ;W[gp] ;B[gq] ;W[em] ;B[dl] ;W[el] ;B[dk] ;W[hq] ;B[hr] ;W[ir] ;B[cr] ;W[br] ;B[bs] ;W[gr] ;B[dr] ;W[bq] ;B[fr] ;W[hs] ;B[bn] ;W[es] ;B[fs] ;W[ar] ;B[bo] ;W[ds]C[Black resigned here. Where is his losing move? Show it please and suggest the right pattern])