(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
MULTIGOGM[1]
;B[qd]
;W[dd]
;B[pq]
;W[dp]
;B[oc]
;W[po]
;B[qo]
;W[qn]
;B[qp]
;W[pm]
(;B[nq]
;W[qi]
(;B[cn]LB[ck:C][dk:D][cn:1]C[If Black approches at 1 now then white will definitely pincer at C or D.]
(;W[fq]LB[nq:A]C[This move is not so interesting, because black's strong stone at A makes it difficult for white to make territory on the lower side. ])
(;W[ck]C[A natural move]
;B[cq]C[Black can not enter the corner and needs to come up with another plan]
;W[cp]
;B[dq]
;W[ep]
;B[bp]
;W[bo]
;B[bq]
;W[co]
;B[fq]SQ[bq][cq][dq][fq][nq][pq]C[This variation is very bad for Black if Black plays this Joseki. Because there are a lot of Black's stones on the third line and no potential on the lower side.]))
(;B[fq]LB[nq:A]C[Approaching here is not that big, when black has the solid low move at A]))
(;B[cn]LB[cn:1][nq:A]C[Black at 1 is a very popular move recently before black answers at A. 
The reason why Black plays at 1 is because if Black plays at A first, White will definitely pincer after 1.
]
(;W[ck]LB[qi:B][nq:A]C[If white now pincers, without the exchange of black A for white B..]
;B[fp]
;W[dn]
;B[cq]
;W[co]
;B[dq]LB[pj:B][nq:A]C[After black takes the corner the lower side loses value.
It is not so tempting to play in this area anymore.
Note that playing black A now is not that important.
Instead of playing at A, black would prefer to play from the other side, at B]
(;W[np]C[This direction is not interesting. Neither for black nor for white.]
;B[fc]
;W[df]
;B[id]LB[np:A]C[White can not expect to gain many points with his move at A])
(;W[fc]C[This is better direction.]
;B[pj]C[But now black can attack from this side.]))
(;W[fq]C[Five games were played by professionals like this.
However, this White's answer is what Black is hoping for.
]
;B[nq]
;W[qi]
(;B[bp]C[In this variation white didn't pincer (on the left). Black gets what he wants.
])
(;B[cf]
;W[fc]
;B[dj]C[or like this. ]))
(;W[np]LB[on:B][fq:A]C[One game was played by Professionals where black played at A.

Two games were played by Professionals where black played at B. ]
(;B[fq]C[KIm Jiseok played double approach. But many Professionals concluded that this move is not good. ]
;W[or]
;B[eo]
;W[pr]
;B[qr]
;W[co]
;B[bn]
;W[dr]
;B[cf]
;W[fc]
;B[di]
;W[jq]C[This is from a game between Kim JIseok 9D and Ryu Suhang 3D. 

Until here white is not bad and there is an Aji in the lower right corner. ]
;B[]
;W[rr]
;B[rs]
;W[rq]
;B[qq]
;W[rn]
;B[sr]
;W[sq]C[Ko, so white is not bad. A huge burden for black])
(;B[on]LB[nq:A]C[This peep is a very intersting move. This move is aming to attach at A.]
;W[pn]
;B[nq]
(;W[mq]
;B[op]
;W[oo]
;B[mp]
;W[no]
;B[lq]
;W[mr]
;B[lp]
;W[pp]
;B[oq]
;W[qq]
;B[qr]
;W[rq]
;B[rr]
;W[ro]
;B[sq]
;W[rp]C[White Moyo and Black territory, playable for both.]
;B[fq]LB[dn:A][fp:B]C[Now white can play at A or B.
      
 ]
(;W[dn]
;B[dm]
;W[en]
;B[cp]
;W[iq]
;B[lr]
;W[cq]
;B[co]
;W[dr]
;B[hp]
;W[ip]
;B[io]
;W[ho]
;B[hq]
;W[go]
;B[jp]
;W[dk]LB[bk:C][ck:B][dk:A]C[In the game white played at A. But this move is a mistake. White should have played at B and attack Black's group. Then it would be very difficult fighting, 
]
;B[bk])
(;W[fp]LB[gp:B][gq:A]C[This attachment is an unusual move. Becuase this attachment move makes Black's lower side more solid if Black just answers at A instead of playing the hane at B.  ]
;B[gq]
;W[gp]
;B[hq]
;W[hp]
;B[iq]LB[cn:A]C[The sequence up to here is an actual game played by Chinese players, but is good for Black. It is hard for white to attack the black stone at A]))
(;W[mp]C[Slack move. Feels like black already gained.]
;B[mq]
;W[lp]
;B[fq]C[Black is satisfied. ])))
(;W[oq]
;B[pp]
;W[op]
;B[oo]
;W[pn]
;B[or]
;W[nr]
;B[pr]LB[no:A][mp:B]C[A and B are both possible. 
]
(;W[no]LB[oo:A][nq:B]C[Capturing white's A stone like this is straightforward. Later however Black can cut at B and capture white's stone on the second line.
])
(;W[mp]LB[oo:A]C[This jump is a fighting move. Black can later move out with his stone at A. ]))
(;W[co]C[Three games were played by professionals like this]
;B[dn]
;W[fp]
(;B[np]
(;W[cj]
;B[hq]
;W[ho]
;B[jp]
;W[qi]
;B[fr]
;W[ej]
;B[cq]
;W[bo]
;B[eq]
;W[ep]
;B[fm]
;W[dl]
;B[hm]
;W[jo]
;B[go]C[This game was played between An DongXu and Li Qincheng 1D in 2014. ])
(;W[dk]
;B[hq]
;W[qi]
;B[ci]
;W[cl]
;B[cf]
;W[ce]
;B[df]
;W[fc]
;B[fm]
;W[go]
;B[ej]
;W[fl]C[This game was played between Lian Xiao 7D and Wang Xi 9D. 

Very difficult fighting for both players. 
]))
(;B[dj]
;W[oq]
;B[pp]
;W[op]
;B[oo]
;W[pn]
;B[or]
;W[nr]
;B[pr]
;W[mq]
;B[cf]
;W[fc]
;B[no]
;W[mp]
;B[hq]
;W[mn]
;B[cq]C[This game was played between Jiang Weijie 9D and Dang Wifei 7D.]))))
