(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2] RU[Chinese]SZ[19]KM[7.50] PW[AlphaGo]PB[AlphaGo]C[the Q13 is a big unresolved question this game]RE[W+Resign] ;B[pd] ;W[dp] ;B[pq] ;W[dc] ;B[de] ;W[ce] ;B[cf] ;W[cd] ;B[cq] (;W[dq] ;B[cp] ;W[cn] ;B[co] ;W[do] ;B[bn] ;W[df] ;B[hp] ;W[qo] ;B[dn] ;W[cm] ;B[bm] ;W[op]C[very hard to explain this, a shocking tenuki] (;B[qp]C[wow] ;W[cl] ;B[en] ;W[cr] ;B[br] ;W[bq] ;B[aq]C[though this avoids ko, it gives W the C8 sente] (;W[gp] (;B[gq] ;W[bs] ;B[ar] ;W[go] (;B[fp] ;W[fq] ;B[fr] ;W[eq] ;B[er] ;W[dr] ;B[hq] ;W[fn] ;B[dl] ;W[eo] ;B[ck] (;W[in]C[looks surprisingly slow and slack to me as F7 is sente, but alphago's sense of the centre is particularly strong] ;B[kp] ;W[pp] ;B[qq] ;W[ro] ;B[nr] ;W[pk]C[yeah, it's interesting to see it merely extend up to here, and also high, leaving a seeming good point at R11 for B. alphago often tries to get R14 too, but presumably B's groups are too alive and W will get attacked given B's next moves, it looks like W getting solid here is more valuable than normal, especially as W wants the R17 3-3] ;B[pn] (;W[po] (;B[lo]C[looks shockingly slow too, but we should probably respect that it is not just defending but also attacking weakness on both sides] ;W[qc] ;B[pc] ;W[qd] ;B[qf] ;W[qe] ;B[pe] ;W[rf] ;B[qb] ;W[mp]C[yeah, this tenuki is pretty scary too] (;B[lq] ;W[rb] ;B[rg] ;W[pf] ;B[qg] ;W[pb] ;B[re] (;W[qa] ;B[of] (;W[no]C[leela's approval drops from 60% to W to 40%!] ;B[jm] ;W[gl] ;B[hl] ;W[hm]C[you say W is less out in the centre, but I suspect that it thinks W is also out in the centre here, and B is not so solid (J6 is potentially a cutting stone)] ;B[ho]C[my first instinct is that this won't be sente once W gets K8, but is W really going to spend a move at K8?] ;W[hn] ;B[rd] ;W[rc] ;B[cg] ;W[ef] ;B[eh] ;W[mr] ;B[mq] ;W[or] ;B[oq] ;W[nq] ;B[np] ;W[bp] ;B[bo] ;W[nq] ;B[fo] ;W[gn]C[yes, strange, presumably it defends against aji with G9, but it is hard to see this actually helping as E7 is sente or W predicts that E6 will get captured, and so this is ever so slightly more valuable of a move?] ;B[np] ;W[bk] ;B[cj] ;W[nq] ;B[ns] ;W[os] ;B[np] ;W[el] ;B[nq] ;W[bl] ;B[bj] ;W[am] ;B[ap] ;W[nk]C[you say W should be happy, but keep in mind how many moves W spent here, W took gote to play O5, and now the shape is still weak as fan hui says, alphago always thinks it is even at this point] ;B[qj]C[lovely new joseki] ;W[qk] ;B[fc] ;W[gd] ;B[gc] ;W[id] ;B[fd] ;W[rj] ;B[mg]C[W does get value from Q13, but B's methods of defence are so pretty too, and all B's moves to defend are valuable too NB this is already a net locally] ;W[di] ;B[an] ;W[dh] ;B[dg] ;W[eg] ;B[ei] ;W[ej] ;B[gh] ;W[gg] ;B[gf] ;W[fg] ;B[dj] ;W[ic] ;B[hd] ;W[he] ;B[ib] ;W[jb] ;B[hb] ;W[kc] ;B[hf] ;W[hc] ;B[ee] ;W[fh] ;B[db] ;W[fi] ;B[cb] ;W[ci] ;B[dm] ;W[em] ;B[dk] ;W[bi] ;B[ak] ;W[bc]C[B is about to take gote well W got about 15 points plus quite a bit of potential in the centre and took out about 7 from B. (note that W still has to short the C14 liberties B got D7 which was worth around 16, and C18/D18 combo which was around 20 points & life] ;B[bb] ;W[nh] ;B[pi]C[I find these ladder/net defenses so pretty] ;W[mn] ;B[nc] ;W[if] ;B[ge] ;W[hg] ;B[hd] ;W[ie] ;B[dd] ;W[ng] ;B[nf] ;W[be] ;B[cc] ;W[ad] ;B[ri] ;W[pj] ;B[qi] ;W[kn] ;B[lg] ;W[oc]C[so pretty] (;B[mi] ;W[oi] ;B[md] ;W[lj] ;B[li] ;W[kj] ;B[ob] ;W[io] ;B[jh] ;W[nb] ;B[od] ;W[jq] ;B[jr] ;W[ii] ;B[ab] ;W[jp] ;B[kr] (;W[af] ;B[oa] ;W[pa] ;B[ln] ;W[lm] (;B[mm]C[does this actually work?] ;W[mo] ;B[nj] ;W[mj] ;B[ji] (;W[ni]C[huh?] ;B[jj]C[how did B manage to cut through here?] ;W[jk] ;B[ko] ;W[jn] ;B[ik] ;W[jl] (;B[rn] ;W[rp] ;B[kl] ;W[km] ;B[sc] ;W[sb] ;B[rm] ;W[qm] ;B[qn] ;W[on] ;B[om] ;W[nm] ;B[rk] ;W[rl] ;B[sj] ;W[sl] ;B[kk] ;W[im] ;B[ig] ;W[mb] ;B[mk] ;W[oj] ;B[ml] ;W[nl] ;B[jd] ;W[le] ;B[ja] ;W[jg]) (;B[lb]C[my rough count from here gives W+2.5] ;W[lc] ;B[mc] ;W[kb] ;B[mb] ;W[ig] ;B[ij] ;W[le] ;B[ld] ;W[kd] ;B[me] ;W[lf] ;B[kf] ;W[ke] ;B[mf] ;W[sr] ;B[ac] ;W[ah] ;B[rk] ;W[rl] ;B[sj] ;W[rr] ;B[il] ;W[im] ;B[sl] ;W[rm] ;B[qr] ;W[rs] ;B[jf] ;W[ih] ;B[gk] ;W[fk] ;B[gj] ;W[qs] ;B[ps] ;W[iq] ;B[ir] ;W[sm] ;B[sk] ;W[ph] ;B[pg] ;W[jg] ;B[kg] ;W[ki] ;B[kh] ;W[mh] ;B[lh] ;W[ia] ;B[gb] ;W[la] ;B[ma] ;W[je] ;B[rp] ;W[sp] ;B[rq] ;W[sq] ;B[gi] ;W[es] ;B[gr] ;W[sd] ;B[sf] ;W[hi] ;B[hj] ;W[fs] ;B[gs] ;W[ds] ;B[bd] ;W[ae] ;B[al] ;W[ai] ;B[qh] ;W[oh] ;B[ha] ;W[ka] ;B[as] ;W[ep] ;B[cs] ;W[ja] ;B[bs] ;W[gd] ;B[fe] ;W[hd] ;B[se] ;W[sc] ;B[bc] ;W[ff] ;B[hh] ;W[fj] ;B[ek] ;W[aj] ;B[jo] ;W[ip] ;B[kq] ;W[lp] ;B[og] ;W[oj]TW[ra][sa][qb][sb][jc][jd][bf][cf][ag][bg][cg][dg][bh][ch][eh][ei][nj][kk][lk][mk][ok][fl][kl][ll][ml][nl][ol][pl][ql][fm][gm][jm][km][mm][nm][om][pm][qm][nn][on][pn][qn][rn][sn][fo][oo][so][fp][ss]TB[aa][ba][ca][da][ea][fa][ga][na][eb][fb][nb][dc][ec][oc][ed][nd][ne][oe][pf][rf][sg][rh][sh][si][rj][bk][hk][bl][cl][am][cm][cn][ao][bp][bq][hr][lr][mr][or][pr][hs][is][js][ks][ls][ms][os]C[W+2.5])) (;W[jj]C[why not block?])) (;B[ko]C[normal])) (;W[ac] (;B[bf] (;W[ch] ;B[ag]C[a pretty tesuji]) (;W[ag]C[so this is the shape and this works but])) (;B[ag]C[that merely means that this is the real tesuji!]))) (;B[ob] ;W[md])) (;W[pg]C[this is a very serious issue to consider, I don't think J7 is a real threat, W can just tenuki, nothing fancy with H6 either very hard to answer this question, so I let leela run for half an hour, and it still thought W was very happy (60%), nothing with R9, Q11, Q12, G6, K7 , Q8 was it satisfied with] (;B[ph] ;W[og] ;B[nh]C[a shape idea, but is it sufficient?]) (;B[qm]C[eventually I suggested this and it seemed not too bad] (;W[ph] ;B[nn]C[leela gave 52% for W here]) (;W[ql] ;B[qj] ;W[rm] ;B[oh]C[but for some reason it gave 57% still to W here] ;W[cg] ;B[ic])))) (;W[rd]C[nice variation to explain not here, I hadn't thought about this this is truly very tempting] ;B[sf] ;W[ob] ;B[of]C[one thing to note is the corner aji still isn't great after T16 R19 T18, so P18 isn't that efficient])) (;B[rg] ;W[mr]C[I think it must be here] ;B[nq] ;W[mq] ;B[np] ;W[mo] ;B[no] ;W[mn]C[some scary fight for both, but as neither side of B is alive and S5 seems possible to sacrifice, it seems more difficult for B] ;B[nn]C[seems necessary as otherwise B doesn't get enough as W will seal in sente] ;W[ln]C[must be sente surely] ;B[kr] ;W[qg] ;B[pf] ;W[rh]C[something like this?] ;B[qm] ;W[sg]C[it would be nice if W K5 were sente but is it really?])) (;B[qf] (;W[mq] ;B[nq] (;W[np] ;B[mp] ;W[lp] ;B[mo] ;W[kq] ;B[lo] ;W[jp] ;B[lq] ;W[ko]C[this should be fine for W] ;B[pl]C[R9 is shape, and if R8, R9 might work] (;W[qk] ;B[ql]C[B does seem in good form locally, this is a big exchange] ;W[ol] (;B[on]) (;B[om] ;W[nm])) (;W[ql] ;B[qm] ;W[rm]C[W has something here])) (;W[kq]C[shape])) (;W[lp]C[yes, an even stronger possibility I think] (;B[lq] ;W[mq] ;B[lr]C[shape]) (;B[kq] ;W[ln]C[this is still a nice follow up, W isn't too thin with the N2 aji]) (;B[ko]C[this seems like shape, but a little hard to say] ;W[lq]C[painful])))) (;W[on] ;B[qm]C[there is a chance of this as a tesuji, but also a good chance of tenuki and later after R11, R8 is shape])) (;W[oq]C[so big?, where is B's follow up and attack?] ;B[ro] ;W[qn] ;B[rn] ;W[ql] ;B[kq])) (;B[hq]C[I'd say this is also a shape, I'm not sure was the response is as F7 walks into D8])) (;B[go]C[first instinct, and what next? H3 is the shape over G3] ;W[hq] ;B[fp]C[but B seems to mostly be able to capture] ;W[gq] ;B[fq] ;W[bs] ;B[ar] ;W[fo]C[on the other hand this is a surprisingly powerful cut] ;B[eo] (;W[fn] ;B[fm] ;W[gn] ;B[ep] ;W[fr] ;B[er] ;W[em]) (;W[fr]C[connected])) (;B[ho] ;W[hq] ;B[iq]C[double hane or G3 or G5 or F6, not too clear])) (;W[bs] ;B[ar] ;W[er]C[later after this] ;B[] ;W[bl] ;B[] ;W[bp])) (;B[en] (;W[oq] ;B[fp]C[is there some tewari for this exchange? B's area still looks overly huge to me, but there is a lot of aji after C8] ;W[cl]C[there is a lot of aji and F3 has a good chance of living with ko, but I don't think there is any immediate problem, just general shape weaknesses]) (;W[go]C[this seems sensible, and B probably needs a move at C8 soon, presumably that is the problem B has here])) (;B[cl] ;W[dm]C[escaping in this shapeis tempting, but seems like nonsense to me W should P3 or G5/G4 instead] ;B[en]C[W's shape is too bad and I think D3 is the more important group])) (;W[cp]C[i doubt there is much wrong with this]))