(;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[2013-04-20]PC[The KGS Go Server at http://www.gokgs.com/];B[pd];W[dp];B[pq];W[po];B[qm];W[on];B[om];W[nm];B[ol](;W[nq];B[op](;W[qn];B[np]C[white give up too much];W[rm];B[ql];W[rl];B[qj];W[mn];B[lq]C[vairation good for black];AE[qj][ol][ql][rl][nm][om][rm][mn][on][qn][np][op][lq][nq]C[another joseki];W[qq];B[qr];W[qp];B[or];W[on];B[om];W[nm];B[ol];W[nq](;B[nn];W[no];B[mn];W[mo];B[ln]LB[rm:B][qn:A]C[good for white because black already made some forcing move on the corner but white does not have exchanged move A to B])(;B[mq]C[black should play like this](;W[nr];B[mr];W[os];B[ps];W[ns];B[np];W[oq];B[op];W[pr]C[heavy for white])(;W[mp];B[mr];W[lp];B[kq]C[black lives])))(;W[np];B[oo]C[white can be cut]))(;W[qn]C[white should play this first](;B[rm];W[nq](;B[op];W[np];B[oo];W[no]C[no cut left])(;B[nn]C[joseki];W[no];B[mn];W[mo];B[ln];W[kp]LB[ml:B][jn:A]C[A or B for black after. Black give up the corner to build a big moyo]))(;B[mq];W[rm];B[ql];W[rl];B[qj];W[np]C[no more cut for white]))(;W[qp]C[if white wants the corner];B[nn];W[no];B[mn];W[mo];B[ln];W[nq]C[order is important];B[or]C[black can live ?];W[nr];B[rq];W[qq];B[qr];W[rs];B[rr];W[rp];B[sq];W[ss];B[os];W[oq];B[pr];W[qs]C[white has more liberties]))