(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[7.50]
PW[Wang Chenxing]PB[Cai Jing]WR[5p]BR[5p]DT[2014-07-22]EV[Year 2014 Chinese Rank Promotion, round 5]SO[Go4Go.net]RE[B+Resign]
(;B[qe]
;W[do]
;B[pp]
;W[ed]
;B[nc]C[This shimari is also very unusual. But it's a subject for another lecture]
;W[gi]C[Wang played this fuseki 3 times. She won 2 games vs female pros and lost one vs young male pro Cai Jing]
;B[nq]
;W[ip]
;B[ci]
;W[cg]
(;B[cl]C[I feel that 3-space extension as in game #2 is better -]
;W[cn]
;B[ei]TR[gi]C[Now marked stone is excellent]
;W[el]C[Black's group is under big pressure now. It cannot be killed, but W wants to get profit by attacking.
W wants to get 2 solid corners and some thickness in the center]
;B[gj]
(;W[hj]LB[hi:A]C[I would prefer to extend at A, without making Black's group stronger -]
;B[fj]
;W[gl]
;B[hk]
;W[gk]
;B[hi]
;W[ij]
;B[gh]
;W[ii]
;B[hh]C[Black is so thick now]
;W[ih]
;B[ig]
;W[jg]
;B[if]
;W[jf]
;B[ie]
;W[je]
;B[jd]
;W[kd]
;B[kc]
;W[id]
;B[jc]
;W[hd]
;B[gf]
;W[cd]
;B[ld]
;W[kh]
;B[dq]C[Game is easier for Black now. Seems that White's attack was not perfect.
W played better in 2 other examples]
;W[er]
;B[dp]
;W[fq]
;B[eo]
;W[ep]
;B[dr]
;W[eq]
;B[cp]
;W[bo]
;B[bp]
;W[dn]
;B[kp]
;W[qk]
;B[qh]
;W[rp]
;B[qp]
;W[ro]
;B[rq]
;W[rr]
;B[qq]
;W[qn]
;B[hb]
;W[gc]
;B[gb]
;W[fb]
;B[eb]
;W[fa]
;B[de]
;W[ce]
;B[ec]
;W[fc]
;B[dd]
;W[dc]
;B[df]
;W[db]
;B[iq]
;W[hq]
;B[jq]
;W[qc]
;B[rj]
;W[br]
;B[bs]
;W[ob]
;B[ql]
;W[rl]
;B[rk]
;W[pl]
;B[qm]
;W[pm]
;B[rm]
;W[on]
;B[hp]
;W[io]
;B[ho]
;W[gp]
;B[hr]
;W[gq]
;B[oc]
;W[nb]
;B[mb]
;W[pb]
;B[ok]
;W[pk]
;B[oj]
;W[nl]
;B[in]
;W[hn]
;B[lm]
;W[mk]
;B[go]
;W[jn]
;B[fo]
;W[gn]
;B[im]
;W[jo]
;B[jm]
;W[fn]
;B[lj]
;W[lk]
;B[kk]
;W[kj]
;B[ki]
;W[jj]
;B[lh]
;W[mj]
;B[ko]
;W[en]
;B[rc]
;W[rd]
;B[qd]
;W[rb]
;B[jh]
;W[ji]
;B[li]
;W[nh]
;B[kn]
;W[fp]
;B[kg]
;W[lg]
;B[jh]
;W[kf]
;B[mg]
;W[kh]
;B[mh]
;W[pi]
;B[ng]
;W[qi]
;B[rn]
;W[oh]
;B[nm]
;W[oe]
;B[pf]
;W[of]
;B[og]
;W[pg]
;B[qg]
;W[ph]
;B[ne]
;W[qo]
;B[ri]
;W[me]
;B[nf]
;W[mi]
;B[nd]
;W[nj]
;B[re]
;W[dg]
;B[eg]
;W[dj]
;B[dh]
;W[ap]
;B[cf]
;W[bf]
;B[bg]
;W[aq]
;B[cc]
;W[cb]
;B[bc]
;W[ee]
;B[ef]
;W[bb]
;B[kl]
;W[il]
;B[ol]
;W[mm]
;B[ml]
;W[ll]
;B[mn]
;W[nn]
;B[ml]
;W[sn]
;B[sl]
;W[mm]
;B[hm]
;W[hl]
;B[ml]
;W[op]
;B[oq]
;W[mm]
;B[qj])
(;W[hi]
;B[fj]
;W[gl]C[Here is my suggestion. Looks promising for W]))
(;B[cm]
;W[ck]
;B[em]C[I would prefer this]))
(;B[qd]C[2nd Chinese Women's League A, round 7\]
DT[2014-08-09\]
PB[Cao Youyin\]BR[3p\]
PW[Wang Chenxing\]WR[5p\]
KM[7.5\]RE[W+R\]]
;W[ep]
;B[pq]
;W[de]
;B[oc]
;W[gk]
;B[ck]
(;W[cm]LB[cp:A]C[Regular shimari at A would be too soft -]
;B[cg]
;W[ci]
(;B[eg]LB[bi:A]C[B may also defend at A -]
(;W[fe]LB[ei:A]C[W can think about active way at A -]
;B[dj]
(;W[di]C[W wants to fight actively -]
;B[ei]
;W[ej]
;B[ek]
(;W[fj]C[W has another way -]
;B[fi]
;W[dl]
;B[dk]
;W[fl]
;B[bi]
;W[el]
;B[er]C[I would prefer to defend the shape on the left again]
;W[bj]C[B probably missed this combination]
;B[cj]
;W[bh]
;B[ai]
;W[ah]
;B[ch]
;W[aj]
;B[bi]
;W[dh]
;B[dg]
;W[ai]
;B[bk]
;W[be]
;B[bg]
;W[ag]
;B[af]
;W[bf]
;B[ak]
;W[ae]
;B[eh]C[As a result, W got solid corner in sente, reduced some terr and B is not completely alive now]
;W[gq]
;B[cq]
;W[lp]
;B[qo]
;W[id]C[Game is about equal now. Later it was a very complicated game with big fights and deep invasions
W won it finally]
;B[gc]
;W[ec]
;B[pj]
;W[lc]
;B[md]
;W[ld]
;B[le]
;W[mc]
;B[me]
;W[nc]
;B[od]
;W[ke]
;B[kf]
;W[je]
;B[eb]
;W[dc]
;B[db]
;W[cb]
;B[ge]
;W[gf]
;B[cc]
;W[cd]
;B[bc]
;W[bb]
;B[he]
;W[hf]
;B[ic]
;W[hd]
;B[jc]
;W[fb]
;B[gb]
;W[fc]
;B[gd]
;W[ie]
;B[kb]
;W[lb]
;B[kd]
;W[kc]
;B[jd]
;W[jg]
;B[ja]
;W[hc]
;B[hb]
;W[la]
;B[ib]
;W[ka]
;B[nb]
;W[jb]
;B[lq]
;W[ia]
;B[kp]
;W[mq]
;B[mp]
;W[lo]
;B[kq]
;W[pk]
;B[mo]
;W[qj]
;B[qi]
;W[qp]
;B[pp]
;W[ro]
;B[qn]
;W[mn]
;B[nn]
;W[rn]
;B[rp]
;W[qm]
;B[pm]
;W[rm]
;B[ln]
;W[pi]
;B[oj]
;W[qh]
;B[ri]
;W[rh]
;B[rj]
;W[qk]
;B[ph]
;W[oi]
;B[ni]
;W[oh]
;B[pg]
;W[nh]
;B[qg]
;W[qq]
;B[nj]
;W[bq]
;B[bp]
;W[cp]
;B[co]
;W[dp]
;B[br]
;W[bn]
;B[gh]
;W[dq]
;B[cr]
;W[bo]
;B[aq]
;W[ji]
;B[kh]
;W[jh]
;B[fg]
;W[qr]
;B[pr]
;W[rk]
;B[rg]
;W[mi]
;B[mh]
;W[sj]
;B[sh]
;W[lh]
;B[mg]
;W[mj]
;B[ng]
;W[ip]
;B[rr]
;W[rq]
;B[qs]
;W[sp]
;B[io]
;W[ho]
;B[in]
;W[hn]
;B[im]
;W[mm]
;B[lm]
;W[nm]
;B[on]
;W[iq]
;B[hl]
;W[gl]
;B[hm]
;W[gm]
;B[kg]
;W[ki]
;B[hr]
;W[gr]
;B[ir]
;W[jr]
;B[jq]
;W[dr]
;B[ds]
;W[nk]
;B[og]
;W[ll]
;B[kl]
;W[lk]
;B[kk]
;W[jo]
;B[ko]
;W[hq]
;B[kr]
;W[jp]
;B[jn]
;W[ik]
;B[hk]
;W[ij]
;B[ok]
;W[ol]
;B[pl]
;W[nl]
;B[ql]
;W[rl]
;B[om])
(;W[eh]
;B[fj]
;W[fi]
;B[ej]C[B has no ko threats to fight the ko]
;W[dh]
;B[fh]
;W[dg]
;B[gi]LB[cc:A]C[This is fine for both sides, but it's good to mention that W's corner is still open. Black can easily live at A]))
(;W[be]
;B[di]LB[gk:A]C[Locally it's good enough for W, but the problem is the useless stone at A]))
(;W[ei]
;B[fe]
;W[dc]
;B[gg]C[This is playable for both]))
(;B[bi]
(;W[dc]
;B[di]C[It would be great for B, if she can get this shape])
(;W[bh]
;B[ch]
;W[bj]
;B[bg]
;W[cj]
;B[cd]C[Also great for Black])
(;W[ch]
;B[bh]
;W[dg]
;B[cf]
;W[df]C[Black was probably afraid of this result. Now W is so thick])))
(;W[cp]
;B[ch]
;W[dc]
;B[qo]LB[be:A][cn:B]TR[gk]C[A and B are miai, so Black has solid group.
Too easy for him! Now we can see that marked stone is useless]))
(;B[od]C[2nd Chinese Women's League A, round 9\]
DT[2014-08-11\]
PB[Wang Chenxing\]BR[5p\]
PW[Chen Yiming\]WR[2p\]
KM[7.5\]RE[B+R\]]
;W[dp]
;B[po]
;W[dd]
;B[mi]
(;W[qi]C[As White I would prefer different idea -]
;B[qj]C[Wang tried another idea here. There is a proverb - never attach weak stones, so it's hard to decide what is better. Attachment or extension like in 2 other games]
(;W[pj]C[Right way]
;B[qk]
;W[pi]
(;B[qe]LB[ob:A]C[Right choice -

But we have to remember about weakness at A. This kind of shimari is good for attacking, but bad for creating territory]
;W[pk]
;B[ql]
;W[pl]
;B[qm]
;W[mk]
;B[kj]
;W[kl]
;B[fc]C[Fuseki looks equal now. Black successfully used all her stones
]
;W[cf]
;B[id]
;W[pq]
(;B[np]TR[pi][qi][pj][mk][pk][kl][pl]C[B wants to attack marked group, but it's not easy -]
;W[nq]
;B[mp]
;W[mq]
;B[lp]
;W[mc]
;B[kc]
;W[me]
;B[nf]
;W[ob]
;B[pc]
;W[pb]
;B[qb]
;W[mf]
;B[ng]
;W[jf]
;B[ik]C[B wants to start splitting attack]
;W[qg]
;B[cn]
;W[fq]
;B[ch]C[On territory B is still losing, so she has to play actively.]
;W[db]LB[dk:A]C[W already has 2 unstable groups on the board, so it's risky for her to invade around A]
;B[hf]C[Finally W saved all groups, but B got enough cash by attacking]
;W[kh]
;B[ki]
;W[ih]
;B[gh]
;W[hi]
;B[lh]
;W[ke]
;B[eb]
;W[ec]
;B[fb]
;W[dg]
;B[dh]
;W[bp]
;B[kg]
;W[jc]
;B[jb]
;W[lc]
;B[lb]
;W[kd]
;B[kb]
;W[he]
;B[jd]
;W[if]
;B[ee]
;W[hg]
;B[de]
;W[ce]
;B[cc]
;W[cd]
;B[dc]
;W[ed]
;B[bc]
;W[fd]
;B[gd]
;W[ge]
;B[dl]
;W[hd]
;B[hc]
;W[gc]
;B[gb]
;W[qp]
;B[qo]
;W[rf]
;B[eh]
;W[bn]
;B[bm]
;W[co]
;B[an]
;W[bo]
;B[dn]
;W[re]
;B[rd]
;W[lq]
;B[kq]
;W[op]
;B[oo]
;W[rp]
;B[nl]
;W[ml]
;B[nk]
;W[nj]
;B[mj]
;W[nm]
;B[oj]
;W[ol]
;B[ni]
;W[on]
;B[mn]
;W[mm]
;B[ln]
;W[il]
;B[hl]
;W[im]
;B[jk]
;W[km]
;B[io]
;W[ne]
;B[pf]
;W[hm]
;B[gf]
;W[ff]
;B[gg]
;W[ie]
;B[gq]
;W[fp]
;B[gr]
;W[kr]
;B[jq]
;W[jr]
;B[ir]
;W[fr]
;B[gl]
;W[gm]
;B[js]
;W[lr]
;B[go]
;W[rh]
;B[fl]
;W[bg]
;B[bh]
;W[bd]
;B[cb]
;W[ro]
;B[rj]
;W[pg]
;B[jh]
;W[ij]
;B[gj]
;W[ao]
;B[am]
;W[ah]
;B[ai]
;W[ag]
;B[dm]
;W[cg]
;B[mb]
;W[nc]
;B[rc]
;W[oe]
;B[pe]
;W[hp]
;B[gp]
;W[jo]
;B[ip]
;W[ko]
;B[kp]
;W[gi]
;B[fi]
;W[hj]
;B[fs]
;W[es]
;B[gs]
;W[dr]
;B[gk]
;W[rm]
;B[rl]
;W[rn]
;B[pm]
;W[om]
;B[oh]
;W[lo]
;B[mo]
;W[ph]
;B[mg]
;W[eo]
;B[si]
;W[sh]
;B[eg]
;W[ef]
;B[lf]
;W[le]
;B[pp]
;W[oq]
;B[ad]
;W[ae]
;B[ac]
;W[nn]
;B[no]
;W[fg]
;B[fh]
;W[in]
;B[ho]
;W[ri]
;B[sj]
;W[em]
;B[en]
;W[fm]
;B[el]
;W[ks]
;B[is]
;W[nd]
;B[jl]
;W[jm]
;B[kn]
;W[jn]
;B[sm]
;W[sn]
;B[sl]
;W[oc]
;B[pd]
;W[sd]
;B[sc]
;W[se]
;B[kf]
;W[na]
;B[ma]
;W[qa]
;B[ra]
;W[pa]
;B[nb]
;W[je]
;B[ic]
;W[gd]
;B[oa]
;W[qn]
;B[pn]
;W[na]
;B[lk]
;W[kk]
;B[oa]
;W[ll]
;B[lj]
;W[na]
;B[jj]
;W[ig]
;B[oa]
;W[jg]
;B[ji]
;W[na]
;B[do]
;W[fo]
;B[fn]
;W[ok]
;B[nj]
;W[og]
;B[oi]
;W[gn]
;B[hk]
;W[qf]
;B[oa]
;W[bi]
;B[aj]
;W[na]
;B[qq]
;W[rq]
;B[oa]
;W[bj]
;B[ak]
;W[na]
;B[qr]
;W[rr]
;B[oa]
;W[bk]
;B[al]
;W[na]
;B[cq])
(;B[qq]
;W[qr]
;B[qp]C[This is more common, but B cannot attack the center in this case]))
(;B[qd]
;W[qf]C[B wants to prevent extension]))
(;W[pi]
;B[pj]
(;W[oi]
;B[oj]C[Looks great for B])
(;W[oj]
;B[oi]C[Too risky for W]))
(;W[rj]
;B[rk]
;W[qk]
;B[pj]
;W[rl]
;B[ri]
;W[sk]
;B[qh]
;W[ro]C[W may also consider this plan. It's equal]))
(;W[qm]LB[qj:A][qp:B]C[Here is my suggestion. It makes miai: A-B -]
(;B[ro]LB[pi:A][qj:B]C[Here W can choose one of extensions and create solid group])
(;B[qk]
;W[qp]C[Famous tesuji works now]
;B[qo]
;W[pp]
;B[oo]
;W[ro]
;B[rn]
;W[rp]
;B[qn]
;W[nq]C[Exactly the same shape as after star point joseki, but W's corner is much bigger.
W is locally much favorable])))
(;B[pe]C[PB[Awaji Shuzo\]
PW[O Meien\]
BR[9p\]
WR[9p\]
RE[W+R\]
EV[Ryusei Cup, 07th\]
RO[Block C, Game 18\]
DT[03.03.1998\]]
;W[dp]
;B[ed]
;W[pp]
;B[oc]LB[pc:A]C[It's common to play shimari here or at A.
In my database (I use Bigo Assistant Full Edition) I cannot find any examples of the fuseki, played by Wang 5p.
Even played by amateurs. And there are 1.5 mln of games in my database, played by 5d+ players.
So, it's really new and unusual]
;W[cd]
;B[df]
;W[cf]
;B[dg]
;W[cg]
;B[dh]
;W[ec]
;B[fc]
;W[dc]
;B[fd]LB[jd:A][re:B]TR[oc][pe]C[Later if White invades around A, Black can use his unusual shimari for attacking that invasion.

But usually it's not recommended to play marked shimari, because there is a big weakness at B.
It's difficult for Black to answer clever invasion at B]
;W[pj]C[I would prefer to take White here. Black has all eggs in 1 basket and usually it's not a good idea])
(;B[nj]C[PB[Shirae Haruhiko\]
PW[Kanno Kiyonori\]
BR[5p\]
WR[5p\]
RE[W+2\]
EV[Oteai\]
DT[01.01.1971\]]
;W[qd]C[Another fuseki to compare. Shirae used it a lot in his games, so we call it Shirae fuseki]
;B[nd]
;W[pf]
;B[fd]
;W[mg]
;B[fp]
;W[oq]
;B[fj]SQ[fd][fj][fp]C[Marked fuseki was invented by Shirae]
;W[dp]
;B[dn]
;W[cp]
;B[fn]
;W[cd]
;B[bo]
;W[ec]
;B[eq]
;W[ed]
;B[ce]C[Again Black has to fight actively, if he wants to use his high stones.
It's hard! So, I never saw this fuseki used by other pros, except Shirae. Everyone prefer cash!])
(;B[pe]C[PB[Mok Jinseok\]
PW[Weon Seongjin\]
BR[5p\]
WR[3p\]
RE[B+R\]
EV[Kiseong, 12th\]
RO[1-08\]
DT[15.09.2000\]]
;W[dp]
;B[de]
;W[pp]
;B[je]C[We can compare Wang's fuseki to fuseki in this Korean game, played by top Korean pros]
;W[jc]SQ[je]C[W decided to play straight invasion, but I think it's too early. Black wants to see this invasion, so he can use his marked stone]
;B[hd]
;W[oc]
(;B[qc]C[Maybe it's better to play the pincer -]
;W[oe]
;B[pf]
;W[ld]C[Now it's easy for W to get the base. Black won this game finally, but I don't think that we can call B's fuseki successful
]
;B[cn]
(;W[fq]
;B[dk]
;W[cc]
;B[dc]
;W[db]
;B[ec]
;W[ce]
;B[cf]
;W[bd]
;B[bf]
;W[eb]
;B[fc]
;W[qk]
(;B[qn]C[Because B is behind, he has to play actively -]
(;W[qo]C[This is risky -]
;B[pn]
;W[np]
;B[qi]
;W[ok]
;B[nm]C[Now it's a big fight. Hard to say who is ahead now. But at least, B may try to use his top thickness now

As usual, if you play weird fuseki for thickness (like first move at tengen), it's good to find a place to fight]
;W[mk]
;B[lm])
(;W[pn]
;B[pm]
;W[qm]
;B[po]
;W[on]
;B[qp]
;W[oo]
;B[qo]
;W[qq]
;B[rm]
;W[ql]
;B[pq]
;W[op]
;B[qr]
;W[rq]
;B[rr]
;W[oq]
;B[pr]
;W[nk]C[As White I would prefer to choose simple way of creating stable group.]))
(;B[nq]
;W[pn]
;B[pr]
;W[qq]
;B[kq]C[This is classic, but it's not enough for B. It's hard for him now to use thickness on the top]))
(;W[cl]C[Black will not play 3-3 now]
;B[en]
;W[fp]
;B[cj]C[Of course, B would fight instead, using his thickness on the top]))
(;B[mc]
;W[qd]
;B[qe]
;W[pd]
;B[ne]C[I would prefer this result for B])))
