(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PW[White]PB[Black]C[This is perhaps is more a Fuseki(opening) that has fallen out of favor than a Joseki(standard corner pattern).  The details start after the pincer of white 6.]
;B[qd]
;W[dp]
;B[pp]
;W[dc]
;B[ce]
;W[ci]LB[ed:B][fd:A][cq:D][dq:C]TR[dp]C[A has fallen out of favor with professionals.  Instead B is now the normal move.  The main line will be the moves after A, to show why it is a difficult choice for black.  The normal joseki after B is given as a variation.

With different stones elsewhere on the board A could still make sense.  As a reader, you might try to decide if A is ok for black, if the white triangled stone is at C or D instead.]
(;B[fd]LB[ed:B][de:A]C[If white attached with the classic move at A, black can get a good result here (see variation).  So the main line continues at B. ]
(;W[ed]
;B[ee]
;W[fc]
;B[gd]
;W[gc]
;B[hd]
;W[hc]
;B[id]
;W[jc]
;B[ck]
;W[ei]
;B[cn]LB[ek:B][co:A]TR[fd][gd][hd][id][ce][ee]C[The opening to this point was very popular in professional play for a while.  White would continue at A(see variation).  However it was discovered that the move at B (the main line) worked well for white, making the joseki black chose at the top not work well.]
(;W[ek]
;B[en]
(;W[fq]
;B[bp]
;W[iq])
(;W[co]
;B[do]
;W[cp]
;B[ep]
;W[eq]
;B[fq]
;W[dm]
;B[dn]
;W[fp]
;B[eo]
;W[dr]
;B[er]
;W[dq]
;B[gp]
;W[fr]
;B[fo]
;W[gr]LB[ef:C][gi:B][bl:A]TR[ci][ei][ek]C[To here, white takes cash, both at the top and bottom, and it is hard for black to make a strong attack on the white triangled stones.  White has A for making a base, or B to run away and make a stable shape in the center.  They even have moves like C for attacking black at the top later.  The professional consensus is this opening is better for white.]))
(;W[co]
;B[dn]
;W[fp]
;B[ek]TR[ci][ei]C[This variation is fine for black.  The triangled stones are weak.]))
(;W[de]LB[dd:A][df:B]C[The wedge at A give white a reasonable result(see variation).  But it was discovered B is good for black.]
(;B[df]
;W[ee]
;B[cd]
(;W[cc]
;B[dd]
;W[ed]
;B[ec]LB[fe:A]C[With the ladder at A working white cannot get a good result.])
(;W[ec]
;B[cc]
;W[hc]LB[fd:A]TR[ci]C[The triangled stone is in a bit of an awkward position, and black`s A stone still retains lots of Aji.  This result is judged to be good for black.]))
(;B[dd]
;W[ed]
;B[cd]
;W[ec]
;B[ee]
;W[df]
;B[cc]
;W[eb]
;B[cb]
;W[hc]
;B[bg]
;W[dh]TR[dd]C[This is fine for white, however, black does not need to play the wedge at triangle(See the main line).])))
(;B[ed]
;W[ec]
;B[fd]
(;W[fc])
(;W[gc]
;B[cc]
;W[gd]
;B[dd]
;W[gf]
;B[fc]
;W[fb]
;B[cb]C[There are of course other choices, along this sequence, but this would be a normal variation.])))
