(;FF[4]
CA[UTF-8]
GM[1]
GN[KataGo 7 komi self-play - game 15]
PC[https://online-go.com/review/465809]
PB[KataGo]
PW[KataGo]
BR[9p]
WR[9p]
OT[Error: time control missing]
RE[?]
SZ[19]
KM[7]
RU[NZ]

;B[pd]
;W[dp]
;B[dc]
;W[qp]
;B[oq]
;W[pq]
;B[op]
;W[qn]
(;B[cf]TR[op]TR[oq]C[Black is basically inviting white to pincer the two stones, but this is a very big move, too (all comments on this game by Anton Christenson, EGF 3d).]
;W[dd]
;B[cd]
;W[kq]
(;B[cn]TR[op]TR[oq]C[Black instead decides to play a move with a clear profit attached to it. White can try to attack the two stones, but definitely cannot kill them with one move.]
(;W[om]TR[op]TR[oq]C[Even though it's a bit further away, it's a better way to attack the two stones.]
(;B[ln]TR[mo]TR[no]C[This is a very strange shape. White can just come in between and seemingly disconnect these stones. Don't try this at home! Black is playing lightly with this move, but when playing a shape like this, you need to have a good plan for what you're going to do if white plays at O5 or N5.]
(;W[co]
;B[dn]
;W[fp]
;B[jp]
;W[kp]
;B[jo]
(;W[ir]C[Now when black pushes down, there's only one cutting point, but the drawback is that black can poke directly at this shape.]
(;B[hq]C[But black shows some fighting spirit. "I'm going to take away your territory in this area."]
;W[mo]
;B[po]
;W[qo]
;B[nn]
;W[mn]
(;B[mm]
;W[nm]
;B[lo]
;W[mp]
;B[lp]
(;W[mq]
;B[lq]
;W[lr]
(;B[kr]
(;W[mr]
;B[jq]
(;W[gq]C[Turns out white needs to keep up the pressure on the outside. This move is big for securing the lower-left territory and is also going to have some follow-ups pretty soon.]
;B[pr]
;W[qr]
;B[or]
(;W[ec]
;B[de]
;W[ed]
;B[db]
;W[no]
;B[pn]
;W[pm]
;B[on]
;W[cc]
(;B[cb]
;W[bc]
;B[bb]
(;W[hp]C[White values the good shape towards the outside more.]
(;B[jr]C[So black protects like this.]
;W[pp]
;B[oo]
(;W[ee]
;B[ef]
;W[ff]
;B[eg]
;W[fg]
;B[eh]
;W[fh]
(;B[ei]
(;W[id]
(;B[ml]
(;W[ps]
;B[os]
;W[qs]
(;B[nc]C[But black ignores this 20-point move for another 106 moves!]
(;W[eb]
;B[kc]
(;W[re]C[A move like this is a good idea when black is already strong here.]
(;B[hf]
(;W[he]
;B[qd]
;W[qh]
;B[pi]
;W[ph]
;B[oi]
;W[oh]
;B[qi]
;W[ni]
;B[nh]
(;W[ok]C[This move is much more fancy. Another "don't try this at home" move.]
(;B[nj]
;W[mi]
(;B[og]
;W[ri]
;B[rj]
;W[rg]
;B[si]
;W[rh]
;B[oj]
(;W[ng]
;B[mh]
;W[pk]
;B[qk]
;W[li]
;B[lh]
;W[ki]
;B[kh]
;W[ji]
(;B[mk]
;W[nf]
;B[jh]
;W[ii]
;B[pf]
;W[qf]
(;B[ih]
(;W[of]TR[re]TR[nf]TR[qf]TR[ng]TR[rg]TR[oh]TR[ph]TR[qh]TR[rh]SQ[hi]TR[ri]C[White being completely safe with this group is very valuable, but it does mean that black gets to follow up with the hane.]
;B[hi]
;W[hj]
;B[gi]
(;W[jl]
(;B[gj]
;W[hk]
;B[gm]
(;W[hn]
(;B[rm]TR[oi]TR[pi]TR[qi]TR[si]TR[nj]TR[oj]TR[rj]TR[mk]TR[qk]TR[ml]SQ[lm]TR[mm]TR[ln]TR[jo]TR[lo]TR[jp]TR[lp]TR[hq]TR[jq]TR[lq]TR[jr]TR[kr]C[This group is not 100 % alive. If white cuts it off, black needs to make sure to make two eyes. The cut at M7 is part of the issue.]
(;W[rl]TR[nn]TR[on]TR[pn]TR[oo]TR[po]TR[op]TR[oq]TR[or]TR[pr]TR[os]C[So even still, this is bigger than white killing the black stones for free.]
;B[ql]
;W[qm]
(;B[km]
;W[fl]
(;B[ib]
(;W[hb]
;B[hc]
;W[ic]
(;B[hm]
(;W[gk]
;B[gb]
;W[jb]
;B[ha]
;W[jc]
(;B[gn]
(;W[dk]
;B[cl]
(;W[hg]
(;B[fj]
;W[fk]
;B[ck]
;W[kk]
(;B[kd]
;W[hh]
;B[kf]
(;W[ja]
;B[cq]
;W[dq]
;B[if]
;W[ge]
;B[ie]
;W[hd]
;B[ea]
;W[fa]
;B[rq]
;W[qq]
(;B[da]
;W[fb]
;B[bo]
;W[dj]
(;B[el]C[I'm not completely sure what this exchange is doing.]
;W[ek]
(;B[ls]
;W[ns]
(;B[cr]
(;W[cj]
;B[dr]
;W[iq]
;B[fr]
;W[en]
;B[em]
;W[go]
(;B[nr]
;W[ms]
;B[ks]
;W[bd]
;B[ce]
;W[ab]
(;B[ba]
(;W[bg]TR[bc]TR[cc]C[White gets to play this move for free and a little bit more aji later thanks to these stones from the beginning.]
;B[be]
;W[in]
(;B[rn]
;W[ro]
;B[sl]
(;W[rc]
;B[im]
;W[mj]
;B[gr]
(;W[hr]
;B[nk]
;W[qb]
(;B[oe]C[So this is a forcing move.]
;W[pg]
;B[ne]
;W[do]
(;B[bm]
(;W[jm]
;B[eo]
(;W[er]
(;B[es]
;W[jn]
;B[rr]
;W[sr]
(;B[bi]
(;W[bj]
(;B[bh]
;W[ai]
(;B[cg]
;W[ah]
(;B[qc]
(;W[pb]C[It seems like white doesn't really have this option.]
;B[rd]
(;W[rb]C[White says, "I'm going to live on both sides independently."]
;B[se]
;W[sf]
;B[sd]
;W[nb]
(;B[mb]
(;W[oc]
(;B[na]
;W[oa]
(;B[so]
;W[rs]
;B[ob]
;W[sn]
(;B[rk]
;W[nb]
;B[sq]
;W[sp]
(;B[ob]
(;W[ag]
;B[ae]
;W[nb]
;B[ss]
;W[rp]
(;B[io]
;W[ma]
(;B[eq]
(;W[ho]C[White 99 % (KataGo)

-- chat --
Maharani: Video review by Anton Christenson, EGF 3d: https://www.youtube.com/watch?v=1T2QPBcjab4
]
)(;W[ep]
(;B[ho]
;W[fn]
;B[fm]
;W[fo]C[White still has miai to make two eyes.]
)(;B[qe]
;W[ho]
;B[pe]
;W[sh]
;B[rf]
;W[kl]
;B[kn]
;W[re]
;B[mf]
;W[rf]
;B[mc]
;W[ch]
;B[la]
;W[fo]
;B[fm]
;W[na]
;B[kb]C[KataGo gives white -1 pp for 244. E4]
)))(;B[ho]
;W[fn]
;B[fm]
;W[fo]C[White has miai to make another eye.]
(;B[ip]
;W[fq]
)(;B[fq]
;W[ip]
)))(;B[sr]C[This suicide would be a valid ko threat under NZ rules. Sadly, in the game, it didn't really matter.]
;W[sr]
;B[ob]
;W[kn]
;B[ko]
;W[nb]
;B[io]
;W[ho]
;B[ob]
;W[kl]
;B[lm]
;W[nb]
;B[pe]
;W[qe]
;B[ob]
;W[aa]
;B[ac]
;W[nb]
;B[mf]
;W[ma]
;B[mc]
;W[ch]
;B[la]
;W[na]
;B[kb]C[KataGo gives black -0.3 pp for 241. T2]
))(;W[pj]
;B[qj]
;W[nb]
;B[ss]
;W[rp]
;B[ob]
;W[ag]
;B[bf]
;W[nb]
(;B[sr]
;W[sr]
;B[ob]
)(;B[pe]
;W[qe]
;B[ob]
;W[kn]
;B[ko]
;W[nb]
;B[io]
;W[ma]
;B[ho]
;W[fn]C[KataGo gives white -18 pp for 236. Q10]
)))(;B[ss]
;W[rp]C[White is just alive at this point.]
;B[ob]
;W[ag]
;B[ae]
;W[nb]
;B[sr]
;W[sr]
;B[ob]
;W[kn]
;B[ko]
;W[nb]
;B[io]
;W[ma]
;B[qe]
;W[ho]
;B[pe]
;W[sh]
;B[rf]
;W[aa]
;B[ac]
;W[re]
;B[eq]
;W[ep]
;B[rf]C[KataGo gives black -0.3 pp for 235. T1]
))(;B[pa]
;W[sm]C[Black can't ignore here.]
;B[kl]
;W[kn]TR[oi]TR[pi]TR[qi]TR[si]TR[nj]TR[oj]TR[rj]TR[mk]TR[nk]TR[qk]TR[kl]TR[ml]TR[ql]TR[sl]TR[km]TR[mm]TR[ln]TR[nn]TR[on]TR[pn]TR[jo]TR[lo]TR[oo]TR[po]TR[so]TR[jp]TR[lp]TR[op]TR[jq]TR[lq]TR[oq]TR[rq]TR[jr]TR[kr]TR[nr]TR[or]TR[pr]TR[rr]TR[ks]TR[ls]TR[os]C[The whole group is dead.]
))(;B[ob]
;W[ag]
;B[af]
;W[nb]
;B[qe]
;W[pe]
;B[ob]
;W[pf]
;B[od]
;W[nb]
;B[lb]
;W[ma]
;B[eq]
;W[ep]
;B[gh]
;W[gg]
;B[di]
;W[me]
;B[md]
;W[fo]
;B[fm]
;W[mf]
;B[le]
;W[rs]
;B[pl]
;W[dl]
;B[dm]
;W[ol]
;B[la]
;W[al]
;B[bl]
;W[gf]
;B[ig]
;W[ci]
;B[ch]
;W[rf]
;B[lk]
;W[kl]C[KataGo gives black -0.3 pp for 227. P18]
))(;B[mc]
(;W[ma]C[If black connects, white gets to live with this shape.]
(;B[la]
;W[na]
)(;B[qe]
;W[pe]
;B[io]
;W[ho]
;B[pf]
;W[kn]
;B[ko]
;W[pe]C[KataGo gives black -22 pp for 225. N17]
))(;W[pe]C[White could completely remove the ko aji now.]
)))(;W[ob]
;B[pe]
(;W[qe]C[This game would still be very, very close.]
)(;W[sh]
;B[sq]
;W[rs]
;B[di]
;W[mf]
;B[me]
;W[lf]
;B[le]
;W[eq]
;B[kb]
;W[sp]
;B[fn]
;W[ds]
;B[fs]
;W[bp]
;B[cp]
;W[ao]
;B[bn]C[KataGo gives white -2 pp for 224. P18]
)))(;B[qe]TR[re]TR[nf]TR[of]TR[qf]TR[sf]TR[ng]TR[pg]TR[rg]TR[oh]TR[ph]TR[qh]TR[rh]TR[ri]C[I think this group is technically a ko.]
(;W[sh]C[This makes a double ko.]
)(;W[pe]
;B[oc]
;W[ob]
;B[pf]
;W[ag]
;B[af]
;W[pe]
;B[gh]
;W[gg]
;B[pf]
;W[mf]
;B[me]
;W[pe]
;B[io]
;W[ho]
;B[pf]
;W[sh]
;B[rf]
;W[pe]
;B[di]C[KataGo gives black -8 pp for 223. R15]
)))(;W[sd]C[White doesn't have to block here now.]
;B[rb]
;W[sc]
;B[ob]C[This would still be slightly good for black.]
;W[ra]
;B[gh]
;W[gg]
;B[di]
;W[ag]
;B[af]
;W[mb]
;B[kb]
;W[nb]
;B[oa]C[KataGo gives white -15 pp for 218. T16]
))(;W[rd]
;B[pb]
)(;W[rb]
(;B[pb]
;W[ch]
;B[kb]
;W[ka]
;B[la]
;W[mf]
;B[me]
;W[oa]
;B[nb]
;W[pa]
;B[gc]
;W[gd]
;B[sq]
;W[rs]
;B[ss]
;W[so]
;B[rk]
;W[sr]
;B[gf]
;W[fe]
;B[pl]
;W[ol]
;B[ss]
;W[lf]
;B[le]
;W[sr]
;B[rd]C[KataGo gives white -0.6 pp for 216. S18]
)(;B[rd]
;W[sd]
;B[pb]
)))(;B[rd]C[It seems to me that black should have started with this push here instead. It looks like a more basic shape.]
;W[sd]
(;B[qc]
(;W[rb]
;B[pb]C[Black takes the profit here like this. It seems like this could be a draw. It's at least still a very close game.]
)(;W[pb]
;B[rb]
;W[sc]
;B[ob]C[This would be sente for black.]
))(;B[di]
;W[mf]
;B[me]
;W[lb]
;B[kb]
;W[ka]
;B[qc]
;W[rb]
;B[pb]
;W[ob]
;B[nb]
;W[pa]
;B[oc]
;W[pc]
;B[lf]
;W[eq]
;B[pb]
;W[ds]C[KataGo gives black -5 pp for 215. S16]
)))(;B[ah]
;W[ch]
(;B[cg]
;W[ci]
;B[aj]
;W[ag]
)(;B[aj]
;W[ag]
(;B[ak]
;W[ci]
;B[ai]
;W[bk]
;B[al]
;W[bl]
;B[am]
;W[cg]
;B[ae]C[Not happy for black.]
)(;B[bk]
;W[ci]
;B[ad]
;W[rs]
;B[sq]C[KataGo gives black -41 pp for 213. A12]
))))(;B[ci]
(;W[cg]
(;B[di]
;W[ag]C[This is very annoying for black because white can connect in one of two ways.]
(;B[ae]
;W[ai]TR[ab]TR[bc]TR[cc]TR[bd]C[Black will have to come back and take these stones off the board eventually.]
)(;B[ai]
;W[ae]
;B[ad]
;W[ac]
;B[aa]
;W[ca]
)(;B[aj]
;W[ae]
;B[bk]
;W[af]
;B[bh]
;W[ad]
;B[ch]
;W[ac]
;B[ah]
;W[aa]
;B[dg]
;W[ca]C[White wins by one liberty in the corner.]
))(;B[ch]
;W[ae]
;B[af]
;W[ag]
))(;W[ag]
;B[aj]
;W[cg]
;B[di]
;W[ae]
;B[bk]
;W[af]C[KataGo gives black -19 pp for 211. C11]
)))(;W[ch]
(;B[ci]
;W[di]
;B[dh]
;W[bj]
)(;B[bj]
;W[dh]C[This isn't good for white.]
)))(;B[sq]
;W[rs]
(;B[ss]
;W[so]C[This is a 10,000-year ko.]
;B[pl]
;W[ol]
;B[rk]
;W[sn]
;B[sm]
;W[pj]
;B[qj]
;W[nl]
(;B[rp]
;W[sr]C[In practice, this is a very hard ko for black to start.]
)(;B[sr]C[Usually, it just ends with black making a seki instead, taking away the points for sure.]
))(;B[bi]
;W[bj]
;B[bh]
;W[ai]
;B[cg]
;W[ah]
;B[qc]
;W[rb]
;B[pb]
;W[ch]
;B[ss]
;W[eq]
;B[pl]
;W[ol]
;B[rk]
;W[sr]
;B[rd]
;W[sd]
;B[ss]
;W[ag]
;B[ae]
;W[sr]
;B[gh]
;W[gg]C[KataGo gives black -0.7 pp for 209. T3]
)))(;B[eq]
;W[ep]C[White gets this double atari.]
(;B[es]
;W[fo]
;B[fm]C[White captured one stone in sente.]
)(;B[fq]
;W[fo]
;B[fm]
;W[jn]
;B[rr]
;W[sr]
;B[bi]
;W[bj]
;B[bh]
;W[ai]
;B[cg]
;W[ah]
;B[di]
;W[lb]
;B[sq]
;W[rs]
;B[ss]
;W[sn]C[KataGo gives black -4 pp for 205. E3]
)))(;W[fn]
;B[fm]
;W[fo]
;B[rr]
;W[sr]
;B[bi]
;W[bj]
;B[bh]
;W[ai]
;B[cg]
;W[ah]
;B[di]
;W[ob]C[KataGo gives white -30 pp for 204. F6]
))(;W[bp]
;B[cp]
;W[ao]
;B[bn]TR[bm]C[B7 left no shape problems for black.]
)(;W[fn]C[White has a potential eye here.]
;B[bi]
;W[bj]
;B[bh]
;W[ai]
;B[cg]
;W[ah]
;B[rr]
;W[sr]
;B[di]
;W[fm]
;B[jm]
;W[lb]
;B[kb]
;W[nb]
;B[mc]
;W[ob]
;B[mb]C[KataGo gives white -15 pp for 202. F6]
))(;B[rd]
;W[bp]C[White is threatening to cut here.]
)(;B[cp]C[It would be tempting to play here.]
;W[fm]
;B[fn]
;W[eo]
;B[jm]
;W[dl]TR[el]TR[em]C[Black can't save these stones.]
)(;B[bp]
;W[fm]
;B[fn]
;W[eo]
;B[jm]
;W[dl]
;B[dm]
;W[bn]
;B[cm]
;W[bm]TR[ck]TR[cl]TR[el]TR[cm]TR[dm]TR[em]TR[cn]TR[dn]C[Black dies.]
))(;B[pg]
;W[pe]C[Black can't save like this.]
))(;W[nk]
;B[rk]
))(;W[fm]TR[gm]TR[hm]TR[gn]C[White still has the option to kill these three stones.]
;B[rd]
;W[sd]
;B[sc]
;W[se]
;B[rb]
;W[mb]
;B[nb]
;W[do]
;B[bm]
;W[cg]C[KataGo gives white -11 pp for 190. F7]
))(;B[rd]
(;W[fm]TR[gm]TR[hm]TR[gn]C[White is threatening to kill these stones.]
)(;W[rn]
(;B[im]
;W[fm]
;B[fn]
;W[eo]
;B[jm]
;W[gr]
;B[jn]
;W[dl]C[KataGo gives black -26 pp for 187. S16]
)(;B[kl]C[Black could make another eye here right now.]
))))(;W[ac]
;B[be]
(;W[aa]
;B[ad]C[This is working for black.]
)(;W[bg]
;B[bi]
;W[bj]
;B[bh]C[KataGo gives white -34 pp for 184. A17]
)))(;B[be]
;W[ba]C[Of course, this doesn't work for black.]
))(;B[gr]
(;W[hr]
;B[ip]C[Black could make this a false eye.]
;W[in]
;B[im]
;W[jm]
)(;W[in]
;B[im]
;W[jm]
;B[jn]
;W[fm]
;B[fn]
;W[eo]
;B[ho]
;W[io]
;B[ip]
;W[ho]
;B[hr]
;W[fo]
;B[do]
;W[np]
;B[fq]
;W[il]C[KataGo gives black -19 pp for 177. G2]
)))(;W[nr]
;B[ks]
;W[nq]C[And white could still kill these stones.]
)(;W[in]
(;B[im]
;W[jm]
;B[jn]
;W[fm]
;B[fn]
;W[em]
;B[en]
;W[dl]C[Black has to give white the eye in order to stay connected.]
)(;B[go]
;W[ho]
;B[im]C[KataGo gives white -41 pp for 170. J6]
))(;W[dr]C[This would make sense for white to take some eye shape.]
;B[hr]
;W[gr]
;B[iq]
;W[bp]
;B[cp]
;W[do]C[KataGo gives white -19 pp for 170. D2]
)(;W[rc]
;B[in]SQ[ii]SQ[ji]SQ[ki]SQ[li]SQ[mi]SQ[ni]SQ[dj]SQ[hj]SQ[dk]SQ[ek]SQ[fk]SQ[gk]SQ[hk]SQ[kk]SQ[fl]SQ[jl]TR[hn]TR[co]TR[dp]TR[fp]TR[hp]TR[dq]TR[gq]TR[ir]C[A move like this may be sente to kill both groups.]
))(;B[nr]
(;W[ms]
;B[ks]C[Black could still make this a seki.]
)(;W[bd]
;B[ce]
;W[ms]
;B[cr]
;W[cj]
;B[bi]
;W[iq]
;B[ks]
;W[bj]
;B[ch]
;W[rc]
;B[ho]
;W[mj]C[KataGo gives black -2 pp for 169. O2]
)))(;B[jj]
;W[fm]
;B[fn]
;W[em]
;B[en]
;W[dl]C[White can still make an eye here.]
))(;B[jj]
;W[em]
;B[en]
;W[ej]
;B[fi]
;W[dl]C[Remember that white was able to make an eye like this.]
))(;B[rn]
;W[ro]
;B[sl]
))(;W[ns]C[Let's remember that at any time, white could spend a move to take 20 points down here.]
;B[gd]
;W[ge]
;B[fa]TR[eb]TR[jb]TR[ec]TR[ic]TR[jc]TR[dd]TR[ed]TR[id]TR[ee]TR[ge]TR[he]TR[ff]TR[fg]TR[hg]TR[fh]TR[hh]C[This white group would not be safe.]
))(;B[jj]
(;W[mj]
;B[nk]
;W[lk]
;B[kj]
;W[il]
;B[ij]
;W[lj]C[White doesn't have enough shape to make two eyes.]
)(;W[hh]
(;B[ke]
;W[em]
;B[en]
;W[ej]
;B[dj]
;W[ek]
;B[fi]
;W[dl]C[White has made another eye from nothing.]
)(;B[kj]
;W[lj]
;B[ke]
;W[em]
;B[en]
;W[ej]
;B[dj]
;W[ek]
;B[fi]
;W[dl]C[KataGo gives black -6 pp for 147. K10]
)))(;B[gd]
;W[ge]
(;B[fa]C[Black again could have taken this opportunity to live inside, but decides that the outside is more important.]
)(;B[kd]
;W[hh]
;B[je]
;W[fa]
;B[kb]
;W[ja]C[KataGo gives black -16 pp for 147. G16]
)))(;B[hh]
(;W[em]
;B[en]
;W[dl]
;B[ek]
;W[fj]
;B[ej]
;W[fi]
;B[fk]
;W[ke]
;B[if]
;W[gf]
;B[gl]
;W[jk]
;B[ig]
;W[lg]
;B[kj]C[KataGo gives black -17 pp for 143. H12]
)(;W[if]C[This would be a good exchange for white.]
)))(;W[in]C[White can still cut here.]
;B[im]
;W[ck]
;B[em]
;W[jm]C[KataGo gives white -25 pp for 142. J6]
)(;W[hh]
;B[gh]
;W[hg]
;B[gg]
;W[ig]
;B[if]
;W[jg]
;B[kf]C[This still isn't working.]
))(;W[ja]C[White doesn't have time right now to kill this of course.]
))(;B[gd]
;W[ge]
(;B[fa]C[Black can either connect up or make two eyes with this cool move.]
(;W[fb]
;B[ea]
)(;W[ea]
;B[fb]
))(;B[kb]
;W[ja]C[KataGo gives black -32 pp for 139. G16]
)))(;W[jb]
;B[gk]
;W[gl]
;B[hl]C[Black is threatening this.]
))(;B[gb]
;W[jb]
(;B[ha]
;W[jc]C[This is still better for white than to be forced to back off at H17 earlier.]
)(;B[hm]
;W[gk]
;B[ha]
;W[jc]
;B[gn]
;W[cl]
;B[bm]
;W[dk]
;B[em]
;W[bl]
;B[il]
;W[ik]
;B[bo]
;W[bp]
;B[ej]
;W[el]
;B[bj]
;W[kk]
;B[jm]
;W[mj]
;B[nk]C[KataGo gives black -3 pp for 133. G18]
)))(;W[hc]C[It would be simpler to back off like this but it's a bit slack. The group would probably still survive, but it's a bit painful to be forced like this.]
;B[hm]
;W[gk]
;B[ek]
;W[fm]
;B[eo]
;W[dl]
;B[gn]
;W[fn]
;B[bo]
;W[bp]
;B[bm]
;W[ao]
;B[bn]
;W[fo]
;B[ep]
;W[eq]
;B[cq]
;W[bq]
;B[dq]
;W[cr]
;B[dr]
;W[er]
;B[br]
;W[ds]
;B[cs]C[KataGo gives white -3 pp for 130. H17]
))(;B[gl]
;W[gk]
;B[fk]
;W[fj]
;B[ek]
;W[fi]
)(;B[gk]
;W[gl]
(;B[hl]
;W[hm]
;B[il]
;W[im]
;B[ik]
;W[ij]C[Of course, this is not working at all.]
)(;B[hm]
;W[hl]
;B[im]
;W[ek]
;B[ej]
;W[ck]
;B[em]
;W[fm]
;B[fn]
;W[dj]C[KataGo gives black -25 pp for 129. G9]
)))(;B[rn]
(;W[ro]
;B[sl]
;W[sn]
;B[rk]TR[rl]C[White gets some extra forcing moves thanks to the throw-in.]
)(;W[fl]
;B[ib]
;W[kd]
;B[ld]
;W[jc]
;B[jb]
;W[ke]
;B[le]
;W[lf]
;B[kf]C[KataGo gives black -17 pp for 127. S6]
)))(;W[lm]
;B[qm]
;W[ns]
;B[pl]
;W[ol]
;B[nk]
;W[ql]
;B[pj]
;W[nr]
;B[nl]
)(;W[ns]C[It seems as if one way for white to protect would be to take a liberty.]
(;B[qm]
;W[nr]C[White is still going to win this capturing race.]
;B[hm]C[Apparently, this is slightly good for black.]
)(;B[hm]
;W[im]
;B[in]
;W[jn]
;B[io]
;W[hl]
;B[qm]
;W[nq]
;B[km]
;W[fl]
;B[ge]
;W[gd]
;B[gf]
;W[if]
;B[hg]
;W[dl]
;B[hc]
;W[ic]
;B[hb]
;W[hd]
;B[ib]
;W[jc]
;B[jb]
;W[kd]
;B[lc]
;W[lf]
;B[cl]
;W[ck]
;B[dk]
;W[ek]
;B[dj]
;W[fe]
;B[ej]
;W[fm]
;B[bn]C[KataGo gives white -0.8 pp for 124. O1]
))(;W[qm]
(;B[rl]
)(;B[ql]
;W[rn]
)))(;B[ho]
(;W[go]C[This is not really a thing.]
)(;W[gn]
;B[hm]
;W[in]
;B[im]
;W[jn]
;B[jm]C[KataGo gives black -24 pp for 123. H5]
))(;B[hm]C[White is not completely connected.]
;W[in]
;B[rm]
;W[rl]
;B[kk]
;W[im]
;B[ql]
;W[qm]
;B[ib]
;W[hb]
;B[hc]
;W[ic]
;B[gb]
;W[jb]
;B[ha]
;W[jc]
;B[fa]
;W[gd]
;B[kb]
;W[kd]
;B[ld]
;W[ke]
;B[ja]
;W[hg]
;B[hh]
;W[iq]
;B[if]
;W[lf]
;B[rn]
;W[ro]C[KataGo gives black -5 pp for 123. H7]
))(;W[in]
(;B[ho]C[White has this shape weakness here.]
)(;B[kk]
;W[jk]
;B[ib]
;W[hc]
;B[ho]
;W[kl]
;B[ll]
;W[fl]
;B[go]
;W[km]
;B[lm]
;W[ek]
;B[gp]
;W[ck]C[KataGo gives white -4 pp for 122. J6]
)))(;B[ik]C[There has to be some plan connected to this.]
(;W[jk]TR[hj]C[Maybe white could just give up the stone like this.]
;B[ij]
;W[il]
;B[hk]
;W[hl]
;B[gk]
;W[gl]
;B[jj]C[KataGo gives black -13 pp for 119. J9]
)(;W[hl]C[I think KataGo wanted to play something like this.]
(;B[hk]
;W[gk]
)(;B[jk]
;W[hk]
;B[il]
;W[im]
;B[jm]C[White is very flexible here and doesn't even have to save all of its stones.]
))))(;W[hh]
;B[gh]
;W[hg]
;B[gg]
;W[ig]
;B[if]
;W[jg]
;B[kf]TR[hf]C[H14 is protecting the cut.]
))(;W[hi]
;B[pg]
(;W[rc]
;B[rd]
;W[pe]
;B[oe]
;W[qe]
;B[of]C[I couldn't really tell what's going on here.]
)(;W[pe]
;B[oe]
;W[qe]
;B[of]
;W[rc]
;B[fi]
;W[kd]
;B[ld]
;W[ke]
;B[le]
;W[jc]
;B[rd]C[KataGo gives white -6 pp for 114. H11]
)))(;B[pg]C[Decides not to follow up and cut here. If black were to cut now, KataGo says white could jump into the corner.]
;W[rc]
(;B[rd]
;W[pe]
;B[oe]
;W[qe]
;B[of]
;W[od]
;B[oc]
;W[sd]
;B[qb]C[The white group is technically not completely alive.]
;W[qc]
;B[pc]
;W[rb]
;B[ra]C[There's still potential for a ko here in the corner.]
;W[pb]
;B[pa]
;W[qa]C[Black can't really afford to play this ko right away, it seems.]
)(;B[je]
;W[qb]
;B[ih]
;W[jl]
;B[kk]
;W[gj]
;B[bn]
;W[ns]
;B[ge]
;W[gd]
;B[fi]
;W[gm]
;B[fl]C[KataGo gives black -1.3 pp for 113. Q13]
)))(;B[jh]
(;W[nk]C[If black just continued pushing, white could push out here.]
;B[mj]
;W[mk]
;B[lj]
;W[lk]
;B[kj]
;W[ii]
(;B[jk]
;W[km]TR[jh]TR[kh]TR[lh]TR[mh]TR[nh]MA[oi]MA[pi]MA[qi]MA[kj]MA[lj]MA[mj]MA[nj]MA[oj]MA[jk]SQ[ml]SQ[mm]SQ[ln]SQ[jo]SQ[lo]SQ[jp]SQ[lp]SQ[jq]SQ[lq]SQ[jr]SQ[kr]C[Black has multiple things to worry about. It's not game over, but it's a bit of a headache for black.]
)(;B[jj]
;W[of]
;B[kl]
;W[hh]
;B[je]
;W[kk]
;B[jk]
;W[jl]
;B[km]C[KataGo gives black -18 pp for 107. K12]
))(;W[mk]
;B[nk]
;W[nl]
;B[qm]
;W[ql]
;B[rm]
;W[rl]
;B[pl]
;W[ol]
;B[pj]
;W[pl]
;B[sl]C[Black can kill these stones.]
)))(;W[qj]
;B[qk]C[This cutting point is already fixed.]
))(;B[oj]
;W[nk]C[If black connects later, there's still this push here.]
))(;B[mi]
;W[nj]C[If black ataris from this side, the stone is perfectly placed. ]
))(;W[mi]C[The basic way to handle this would be to just extend here at the cutting stone. I think this would make a lot of sense.]
;B[ng]
;W[oj]
;B[rh]
;W[rg]
;B[ri]
;W[pf]
;B[rl]
;W[pk]
;B[qk]
;W[rm]
;B[of]
;W[rd]
;B[qf]
;W[qe]
;B[pe]
;W[qc]
;B[qg]
;W[rf]
;B[pg]
;W[ob]C[KataGo gives white -3 pp for 88. N11]
))(;W[qc]
(;B[pc]
;W[qb]
;B[ge]C[This follow-up is pretty severe.]
(;W[fe]
;B[gc]C[Something like this would be pretty bad for white.]
)(;W[he]
;B[gf]
;W[fe]
;B[hd]
;W[hc]
;B[ie]
;W[ic]C[Black got some good profit.]
))(;B[ge]
;W[hc]
;B[fe]
;W[je]
;B[pc]
;W[ig]
;B[hg]
;W[ih]
;B[hh]C[KataGo gives white -10 pp for 78. R17]
)))(;B[ge]
;W[hf]C[White might try to just swallow this stone up.]
(;B[gc]
;W[hc]
;B[gb]
;W[fe]C[Black can maybe connect out, but isn't too happy.]
)(;B[rd]
;W[qd]
;B[qe]
;W[qc]
;B[rc]
;W[pe]
;B[qf]
;W[pc]
;B[od]
;W[rf]
;B[rb]
;W[qg]
;B[pf]C[KataGo gives black -9 pp for 77. G15]
))(;B[he]
;W[ie]
;B[hg]
;W[if]
;B[hf]
;W[hd]
;B[ge]
;W[fe]
;B[gd]
;W[gc]
;B[ib]
;W[hb]
;B[ic]
;W[hc]
;B[hi]C[Black has to handle this clump of stones.]
))(;W[qf]C[Why not play a more normal approach move like this? Black is already strong on the top and can kick white without adding another move to the shape.]
;B[qe]
(;W[pf]
(;B[qh]
)(;B[ok]
;W[oi]
;B[bn]
;W[bo]
;B[qh]
;W[ph]
;B[pj]
;W[ql]
;B[lj]
;W[rf]
;B[re]
;W[gj]
;B[fk]C[KataGo gives white -4 pp for 76. R14]
))(;W[pi]
;B[pf]C[White doesn't get to just extend back here because that will allow black to get some great shape moves here.]
)))(;W[re]C[Approaching here right away seems more natural.]
;B[qd]
;W[rd]
;B[rc]
;W[rb]
;B[qc]
;W[qh]
;B[gd]
;W[eb]
;B[hd]
;W[bd]
;B[ce]
;W[ic]
;B[hb]
;W[ab]
;B[be]
;W[ib]
;B[fb]
;W[da]
;B[ad]
;W[he]
;B[fe]
;W[hc]C[KataGo gives white -0.3 pp for 74. S15]
))(;B[qf]TR[nn]TR[on]TR[pn]TR[oo]TR[po]TR[op]TR[oq]TR[or]TR[pr]TR[os]C[Seems like this should be sente for white. If white gets to play the next move here, white gets to kill all these stones.]
;W[ns]
;B[ls]
;W[nr]
;B[ks]
;W[nq]
)(;B[ls]
;W[ns]
(;B[nr]
;W[ms]
;B[ks]SQ[mn]SQ[nn]SQ[on]SQ[pn]SQ[mo]SQ[no]SQ[oo]SQ[po]SQ[mp]SQ[np]SQ[op]SQ[mq]SQ[nq]SQ[oq]SQ[lr]SQ[mr]SQ[nr]SQ[or]SQ[pr]TR[ls]SQ[ms]SQ[ns]SQ[os]C[Black could make a seki instead. If this were my game, this 20-point move would be too big for me to ignore.]
)(;B[nc]
;W[bo]
;B[bn]
;W[lc]
;B[eb]
;W[gc]
;B[qh]C[KataGo gives black -16 pp for 73. M1]
)))(;W[nc]
;B[qs]
;W[rs]
;B[os]C[This might be a bit annoying for white later.]
)(;W[qf]C[If white approaches now, black can't kick and pincer as black does later in the game.]
;B[qe]
;W[pf]
(;B[qh]
;W[od]C[Black has this big shape problem here.]
;B[oc]
;W[nd]C[White is going to be very strong with this group.]
)(;B[nc]
;W[ps]
;B[os]
;W[qs]
;B[ok]
;W[lc]
;B[ld]
;W[kd]
;B[md]
;W[ke]
;B[eb]
;W[bo]
;B[gd]
;W[mf]
;B[nh]
;W[cl]
;B[he]
;W[jg]
;B[hg]C[KataGo gives white -1.5 pp for 70. R14]
)(;B[nd]C[Black sort of owes a move here.]
)))(;B[ge]
;W[gd]
(;B[fe]
(;W[fd]
)(;W[he]
;B[gf]
;W[hg]C[This is a neat sort of net shape.]
;B[fd]
;W[fc]
;B[gc]
;W[hf]
;B[hd]
;W[gg]
;B[gd]
;W[gb]
;B[hc]
;W[ic]
))(;B[he]
;W[fe]TR[ff]TR[fg]TR[fh]C[White has a pretty nice and flexible shape and is still connected.]
)(;B[ml]
;W[ps]
;B[os]
;W[qs]
;B[nc]
;W[bo]
;B[bn]
;W[qf]
;B[fe]
;W[he]
;B[gf]
;W[fd]C[KataGo gives black -6 pp for 69. G15]
)))(;W[ml]C[Apparently white doesn't care about giving this point up to black.]
;B[lm]
;W[qf]
;B[mc]
;W[of]
;B[hd]
;W[md]
;B[ld]
;W[nc]
;B[nd]C[KataGo gives white -7.5 pp for 68. N8]
))(;B[fi]
;W[ei]
(;B[fj]
(;W[cg]TR[bc]TR[cc]C[The shortage of liberties here is going to come into play later.]
)(;W[bd]
))(;B[di]
;W[ej]
;B[dj]
;W[gi]
;B[ml]
;W[ps]
;B[os]
;W[qs]
;B[fj]
;W[ek]
;B[gj]
;W[dk]
;B[hi]
;W[ck]
;B[bj]
;W[bk]
;B[gm]
;W[gl]
;B[hm]C[KataGo gives black -8 pp for 67. F11]
)))(;W[ml]
;B[lm]C[I would be very tempted to play this atari. It would definitely be a sente exchange, black is going to respond here. ]
;W[qf]
;B[id]
;W[nc]
;B[nd]
;W[md]
;B[ne]
;W[pc]
;B[qc]
;W[oc]
;B[pf]
;W[od]
;B[pe]C[KataGo gives white -7.5 pp for 60. N8]
)(;W[lm]C[Maybe in some variation, white would want to cut from the other side. It looks a bit crazy right now but I guess it's not out of the question.]
))(;B[ml]
;W[ks]
;B[jr]
;W[js]TR[nn]TR[on]TR[pn]TR[po]TR[op]TR[oq]TR[or]TR[pr]C[White connecting up here would kill all of these stones.]
;B[ho]
;W[iq]
;B[id]
;W[ff]
;B[hf]
;W[dg]
;B[ee]
;W[fe]
;B[ef]
;W[eg]
;B[fg]C[KataGo gives black -34 pp for 57. N8]
))(;W[hr]
;B[jr]C[White could also have forced with this move, it would work the same way and it would be better for points.]
))(;B[bc]
;W[eb]
;B[cb]TR[eb]C[If black captures, white gets this for free.]
;W[ic]
;B[ml]
;W[pp]
;B[oo]
;W[jr]
;B[ks]
;W[ls]C[KataGo gives black -10 pp for 53. B17]
)(;B[eb]
;W[gc]C[If black pushes out like this, white gets some extra strength on the outside.]
;B[bc]
;W[hp]
;B[jr]
;W[jc]
;B[ml]
;W[mc]
;B[qg]
;W[qc]
;B[pc]
;W[qd]
;B[qe]
;W[re]
;B[rf]
;W[pe]
;B[qf]
;W[pp]
;B[oo]
;W[pb]
;B[ob]
;W[qb]
;B[oc]
;W[nb]
;B[oa]
;W[rd]
;B[oe]C[KataGo gives black -0.5 pp for 53. E18]
))(;W[no]
;B[pn]C[We still have the situation that if white ataris, black has this forcing move.]
))(;W[or]TR[nn]TR[po]TR[op]TR[oq]C[It would be very natural for white here to just connect up like this, make sure these stones are completely dead. White got some nice profit here, but it turns out this is a little bit too slow.]
;B[cq]C[Black could continue with some random big move and is slightly ahead.]
))(;W[jr]
;B[mr]
;W[ks]
;B[nr]TR[mn]TR[mo]TR[mp]TR[mq]C[If white tries to take the ponnuki here, black gets to pull back and this basically captures the four stones.]
(;W[no]
(;B[on]
;W[oo]
;B[pn]
;W[pp]
;B[pm]
;W[pl]C[Black can't come out like this, it's a ladder.]
)(;B[pn]
(;W[pm]
;B[on]TR[mn]TR[mo]TR[no]TR[mp]TR[mq]C[Now these stones are dead.]
)(;W[on]
;B[pm]
;W[ok]C[This fight is actually a little bit good for black.]
)))(;W[ko]
;B[kn]
;W[jn]
;B[lm]
;W[ho]
;B[jq]
;W[kr]
;B[hp]
;W[iq]
;B[ip]
;W[hr]C[KataGo gives white -17 pp for 38. K2]
)))(;B[mr]
;W[nr]
;B[kr]
;W[ms]
;B[jq]C[If black were to cut on this side, white would still save the four stones, but in this case gets to do it with a ponnuki.]
;W[ml]
;B[lm]
;W[gq]
;B[id]
;W[hp]
;B[ho]C[KataGo gives black -25 pp for 37. N2]
))(;W[lq]C[White can't block here.]
;B[mq]TR[mn]TR[mo]TR[mp]C[The three white stones are just dead.]
(;W[no]
;B[on]
;W[oo]
;B[np]
)(;W[nq]
;B[mr]C[Atari'ing here doesn't really help.]
;W[nr]
;B[np]
)(;W[ko]
;B[no]
;W[kn]
;B[np]
;W[ho]
;B[cq]
;W[cp]
;B[in]
;W[iq]
;B[gm]C[KataGo gives white -28 pp for 34. M3]
)))(;B[nm]C[Black could also push out like this.]
;W[mm]
;B[nl]C[Both sides are very broken shapes.]
;W[no]
(;B[on]
;W[oo]C[Black's not really connected.]
;B[pp]
;W[pn]
;B[qq]
;W[pr]C[Black can't even capture this stone.]
)(;B[pr]C[At this point, black could resist by playing this hane.]
(;W[qr]
;B[on]
;W[oo]
;B[pp]
;W[pn]
;B[qq]C[Black at least gets to capture one stone. This should be playable for black.]
)(;W[on]
;B[rq]
;W[or]
;B[qq]
;W[pp]
;B[nr]
;W[qr]
;B[os]
;W[rr]
;B[mq]C[Black can live inside here, but this is probably a little bit good for white. White got some strength on the outside, and black's life here is pretty small.]
)(;W[ml]
;B[pn]
;W[qr]
;B[nk]
;W[on]
;B[pm]
;W[ol]
;B[qm]
;W[ok]
;B[qk]
;W[nj]
;B[mk]
;W[kl]C[KataGo gives black -8pp for 29. O7]
))))(;B[jq]
;W[jr]
;B[kr]
;W[lr]
)(;B[nn]C[If black instead decided to fix up its shape, white could fix up its shape.]
;W[hp]C[We'd get a more peaceful result.]
;B[de]
;W[jc]
;B[lc]
;W[hd]
;B[qg]
;W[ed]
;B[ec]
;W[fd]
;B[gb]
;W[cc]
;B[cb]
;W[bc]
;B[gc]
;W[gd]
;B[bb]
;W[dg]
;B[ef]
;W[cg]
;B[gf]C[KataGo gives black -0.4 pp for 23. O6]
))(;W[iq]C[You might wonder, why not play something like this jump instead, which is a better connection?]
(;B[jq]
;W[jr]
;B[ir]C[Black could do something like this.]
(;W[kr]
;B[hq]C[This would be a ladder.]
)(;W[hr]C[So white captures.]
;B[po]C[Let's say black gets this peep.]
;W[qo]
;B[kr]
;W[is]
;B[lr]TR[kp]TR[kq]C[Black can probably capture these two stones.]
))(;B[gn]
;W[mo]
;B[nn]
;W[mn]
;B[pn]
;W[pm]
;B[nm]
;W[mm]
;B[nl]
;W[ml]C[KataGo gives white -2 pp for 22. J3]
)))(;W[no]
;B[lp]SQ[op]TR[kq]SQ[oq]C[In this case, black can just shoulder-hit here and is going to be able to handle this quite easily. White's stone is a little weak, and black doesn't necessarily have to save the two stones.]
;W[lq]
;B[mp]
;W[jo]
;B[cq]
;W[dq]
;B[cp]
;W[do]
;B[dn]C[KataGo gives white -9 pp for 16. O5]
))(;B[lp]C[I would think about maybe this shoulder-hit.]
;W[kp]
;B[nm]
;W[lo]
;B[on]
;W[pm]
;B[lq]
;W[lr]
;B[mr]C[KataGo gives black -4 pp for 15. M4]
)(;B[lo]C[Maybe this move.]
;W[jp]
;B[cq]
;W[cp]
;B[dq]
;W[ep]
;B[eq]
;W[fq]
;B[fr]
;W[bq]
;B[br]
;W[gr]
;B[bp]
;W[fp]
;B[qf]
;W[ec]
;B[de]
;W[ed]
;B[db]
;W[cc]
;B[eb]
;W[gc]
;B[bc]
;W[jc]
;B[lc]
;W[nc]
;B[oc]
;W[nd]
;B[kd]
;W[jd]
;B[ke]C[KataGo gives black -0.5 pp for 15. M5]
)(;B[ko]C[Maybe this one if I'm feeling adventurous.]
;W[lo]
;B[ln]
;W[lp]
;B[nn]
;W[kn]
;B[lm]
;W[nm]
;B[mo]
;W[jn]
;B[kl]
;W[hn]
;B[fq]
;W[dn]
;B[iq]C[KataGo gives black -1.5 pp for 15. L5]
))(;W[on]C[This jump might look more severe, but when black peeps at Q5, there are more shape problems compared to the game move.]
(;B[po]
(;W[qo]
;B[pn]
;W[pm]
;B[om]
)(;W[pn]
(;B[qo]
;W[ro]
)(;B[rq]
;W[rp]
;B[pr]
;W[qq]
;B[lp]
)))(;B[nn]
;W[om]
;B[ln]
;W[jo]
;B[kp]
;W[jp]
;B[lq]
;W[kr]
;B[lr]
;W[gq]
;B[qf]
;W[ec]
;B[de]
;W[ed]
;B[db]C[KataGo gives white -1.3 pp for 14. P6]
)))(;B[om]C[It would be natural for black to want to run out right away with something like this, but of course it wouldn't be making any points.]
;W[ec]
;B[de]
;W[ed]
;B[db]
;W[cc]
;B[eb]
;W[gc]
;B[bc]
;W[jc]
;B[dq]
;W[cq]
;B[po]
;W[qo]
;B[eq]
;W[cr]
;B[iq]
;W[ko]
;B[gq]
;W[mn]
;B[cn]
;W[ep]
;B[fp]
;W[en]
;B[cp]
;W[co]
;B[do]
;W[bp]
;B[eo]
;W[dn]
;B[cp]
;W[bo]
;B[pl]C[KataGo gives black -0.1 pp for 13. P7]
))(;B[kq]C[It would be very normal for black to play some sort of extension here (all comments on this game by Anton Christenson, EGF 3d).]
;W[de]
;B[ce]
;W[cf]
;B[cd]
;W[df]
;B[po]
;W[qo]
;B[fc]
;W[dj]
;B[nc]
;W[fq]
;B[hq]
;W[qf]
;B[qe]
;W[pf]
;B[qh]C[KataGo gives black -0.8 pp for 9. L3]
)(;B[kp]C[It would be very normal for black to play some sort of extension here (all comments on this game by Anton Christenson, EGF 3d). Game 12 continued with this move: https://online-go.com/review/458154]
))