(;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[2013-05-25]PC[The KGS Go Server at http://www.gokgs.com/];B[qd];W[od];B[qf];W[qc];B[pc];W[pd];B[qb];W[rc]C[trick move](;B[rd]C[black gets tricked](;W[oc];B[pb];W[ob]C[good exchange for white];B[rb];W[kc]C[good for white];B[cp];W[ep];B[eq];W[fq];B[dq];W[fp];B[cn];W[jq]C[compare to this joseki, white has one stone on the second line];B[lq];W[];B[hq];W[ip];B[hp];W[ho];B[hr]C[black can connect])(;W[pb]C[black wants this to happen];B[oc];W[ob];B[nc];W[rb];B[nb]C[black sente]))(;B[pe](;W[pb];B[oc];W[ob];B[nc];W[rb];B[nb])(;W[rd];B[qe];W[pb];B[oc];W[ob];B[nc];W[rb];B[ne]LB[rd:A][qf:B]C[good for white because he has the corner and he had the exchange A to B])(;W[oc]C[now, if white wants to play like this, it's not good for white];B[pb](;W[ob];B[rb];W[kc]LB[rd:A][qe:B]C[not good for white because white did not had the A - B exchange])(;W[rb];B[ob];W[nb];B[nc];W[mb];B[mc];W[qa]C[white needs the ladder to play like this])(;W[rd]C[if white does not have the ladder];B[qe];W[rb];B[ob];W[nb];B[nc];W[mb];B[nd];W[oe];B[nf];W[qa]))))