(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[NZ]SZ[19]KM[7.00]TM[1800]OT[5x30 byo-yomi]DT[2013-06-30]PC[The KGS Go Server at http://www.gokgs.com/];B[dp];W[qd];B[dd];W[pq];B[dj];W[fc];B[id];W[fe];B[df];W[db];B[cc];W[ib]C[joseki stops here];B[fg]C[to build a moyo](;W[hf]C[first mistake : white does not need to answer](;B[oc]C[too close];W[mc]C[higher pincer is better](;B[md](;W[lc]C[hane is better];B[pe];W[qe];B[pf];W[qg];B[qc];W[qf];B[ld]LB[pc:A]C[why black made the previous exchange if he does not connect at A ?];W[pd];B[od];W[ne];B[kc]C[hane reduces black liberties. A nobi would be enough];W[kb];B[jc];W[nd];B[nc];W[jb];B[nb];W[ma];B[mf];W[nf];B[ng];W[og];B[na];W[mb];B[mg];W[pg];B[rc];W[pl]LB[gd:C][ge:D][me:B][dn:A]C[ladder is not good for white but after A exchange (ladder breaker), white can push and cut at B.Now black has the opportunity to cut at C and then D])(;W[ld](;B[nd];W[le]C[white has a good continuation];B[lc];W[kc];B[lb];W[mb]C[no cut])(;B[me];W[nc];B[od];W[pf];B[of];W[pg])))(;B[oe];W[pf];B[ld];W[lc];B[kd];W[md];B[me];W[kc];B[lf];W[pc];B[gd];W[fd];B[hb]))(;B[gd];W[fd];B[ge];W[gf];B[ff])(;B[nc](;W[pc];B[kc]C[good for black])(;W[lc];B[qc];W[pc];B[pd];W[qb];B[rc];W[od];B[pe];W[oc];B[qf](;W[nf];B[jf])(;W[je];B[nf]))))(;W[fq]C[reduce the moyo])(;W[he];B[hd];W[gd];B[hb]C[white is on trouble]))