(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[0.00]LB[qd:A][pq:B]C[A 3-4 josekiB Kobayashi](;B[qd]LB[oc:A][od:B](;W[oc]LB[md:A];B[md];W[oe];B[pf];W[kd]LB[mb:A][pc:B]C[B is a secret joseki](;B[mb]LB[lc:B][me:A](;W[me]C[Not played very often for white. Some think good for black.];B[nd];W[pe];B[qe](;W[ne];B[pc];W[ob]C[Thomas Hsiang: Good for White.])(;W[pc];B[ne];W[of];B[pg];W[og];B[ph];W[mf];B[jc]C[Thomas Hsaing: Good for black.])(;W[qc];B[ne];W[of];B[pg];W[og];B[ph];W[mf];B[jc]C[Hajin Lee: This one is used more often.]))(;W[lc];B[mc];W[of];B[pg];W[og];B[ph];W[le];B[pc];W[pd];B[pb];W[ob];B[pe];W[od];B[jc];W[kc];B[jb];W[kb]C[Hajin Lee: More common.]))(;B[pc];W[ob];B[ne](;W[pd];B[pe];W[od];B[of](;W[qc];B[rc];W[qb];B[lc];W[rd];B[qe];W[rb];B[mg]C[Thomas Hsiang: Nakayama secret joseki.])(;W[mc];B[mg];W[qc];B[rc];W[qb]C[b tenuki]))(;W[pe]C[Blackie: Not joseki. Bad for black.])))(;W[od]LB[md:A];B[mc];W[qc];B[qg]LB[mb:C][pc:D][pd:A][pg:B]C[A is joseki.B is another option.C is a little overplay. (Cho Hyeyeon)D is a mistake (Diana Kozegi)](;W[pd];B[rd]LB[ob:B][nc:A](;W[nc];B[ld];W[rc];B[qj]C[Joseki])(;W[ob](;B[jc];W[rc];B[qj])(;B[rc];W[kc])))(;W[pc]C[Mistake];B[rd]C[Diana Kozegi: No good move for white.])(;W[mb]C[Cho Hyeyeon: A little overplay. Result is better for Black.])(;W[pg](;B[qh];W[qf];B[rf];W[qe];B[rd];W[re];B[pd];W[oe];B[pc];W[oc];B[ob];W[nb];B[qb];W[ph];B[qj];W[pi];B[qm])(;B[ph];W[qf];B[pf];W[og];B[rf];W[qh];B[qe];W[rg];B[qf];W[pi](;B[pc])(;B[ne];W[pb])))))(;B[pq];AW[dp]AB[fq];W[cn]LB[ip:B][jp:A](;B[jp];W[qn];B[po];W[rp](;B[ql];W[pn];B[qo];W[ro];B[qq];W[rm];B[on];W[pl];B[om];W[pk])(;B[pn];W[qm];B[pk];W[pm];B[om];W[ol];B[pl];W[nm];B[on];W[ok];B[pj];W[oj];B[pi];W[oi];B[rl];W[qq];B[pr];W[qr];B[oh];W[nh];B[og]C[White can keep playing or tenuki.]))(;B[ip];W[qn];B[po];W[rp];B[ql];W[pn];B[qo];W[ro];B[qq];W[nn];B[rm];W[rn](;B[mp]LB[kq:A]C[This is difficult for black to play since there is a weakness at A.];W[pl];B[pk];W[ol];B[qj];W[ok];B[oj];W[nj];B[oi];W[ni];B[oh])(;B[pl];W[ol];B[ok];W[mp];B[on];W[om];B[oo];W[pm];B[no];W[mo];B[nm];W[mn];B[nl];W[nk];B[ml];W[pk];B[oj];W[pj]))))