The Magic of Kifu

(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2] RU[Chinese]SZ[19]KM[375.00]TM[600] GN[ ]PW[AI]PB[Shen Peiran]BR[6p]DT[2021-03-18]RE[W+Resign]FG[259:]PM[2]RL[0]TT[15] ;B[qd] ;W[dd] ;B[pq] ;W[dq] ;B[nd] ;W[qo] ;B[np] ;W[pk] ;B[co] ;W[dm] ;B[eo] ;W[fp] ;B[cd] ;W[cc] ;B[ce] ;W[dc] ;B[ch] ;W[de] ;B[fo] ;W[gp] ;B[go] ;W[hp] ;B[ho] ;W[jp] ;B[df] ;W[ef] ;B[dg] ;W[bg]LB[fm:A]C[GodAiGoE vs Shen Peiran, 6p from China on Fox server My KataGo can see this plan, but thinks that it's better to fight locally by running at A Move played in the real game is a probe (yosu-miru), which reminds me famous game between Lee Changho and Cho Hunhyun] (;B[bh]C[I thought, White will just play tenuki here and leave the stone for yose, but Chinese AI decided to connect right now] ;W[be] ;B[eg] ;W[gk]LB[eg:A][ho:B]TR[fh][gi][gj][hl][hm][hn]C[Classic way of reducing moyo. We find stones on the borders - A and B, imagine the line between these stones and choose the place to invade on the middle of the line. W already got great yose, so he is not interested in sabing the D7 stone directly and starting difficult fight close to Black's thickness] ;B[io] ;W[kq] ;B[ek] ;W[fm] ;B[fl] ;W[gl] ;B[em] ;W[ej] ;B[fj] ;W[lc] ;B[qi] ;W[fk] ;B[el] ;W[fi] ;B[dj] ;W[gj] ;B[nb] ;W[oc] ;B[nc] ;W[pe] ;B[pd] ;W[oi] ;B[oe] ;W[di] ;B[cj] ;W[qq] ;B[qr] ;W[rq] ;B[pp] ;W[or] ;B[pr] ;W[mr] ;B[pl] ;W[qn] ;B[ok] ;W[ql] ;B[pj] ;W[qk] ;B[oj] ;W[on] ;B[mo] ;W[mi] ;B[jc] ;W[mm] ;B[ln] ;W[jd] ;B[kd] ;W[ke] ;B[kc] ;W[pg] ;B[oh] ;W[of] ;B[ph] ;W[mf] ;B[qe] ;W[qf]) (;B[bf]LB[cj:A]C[If Black defends here, W can get sente extension at A, which helps him a lot to destroy Black's moyo]))