(;ST[0]AP[GOWrite:3.0.15]FF[4]CA[UTF-8]GM[1]SZ[19]GN[ ]HA[0]RE[W+R]KM[7.5]PB[Sorin Gherman]PM[2]FG[259:]C[Commentary by Yamashiro Hiroshi 9p]PC[San Diego, CA]DT[2017-08-07]PW[Eric Yoder]EV[US Go Congress 2017, Masters]RO[4]WR[6d]BR[7d]GC[Eric Yoder http://agagd.usgo.org/player/20753/];B[pd];W[dd];B[pp];W[dp];B[fq];W[cn];B[fc];W[df];B[db];W[nc]
;B[qf];W[hc];B[cc];W[ec];B[eb];W[fd];B[gd];W[gc];B[fb];W[ge]
(;B[jp];W[bd];B[bc];W[je];B[dm]
(;W[fp];B[gp];W[fo];B[eq];W[dq];B[cm]
;W[gq]C[Very bad for white, black becomes very thick.];B[hq];W[gr];B[hr]
;W[go]L[gn][hn][gm]C[At least white should save this for later, maybe he will use another forcing move such as A, or B, or C.];B[hp]
(;W[bn]
(;B[di]L[dj]C[Too far - white is so strong all around. Should be one point closer, at A.

(Major oversight for me in this tournament.)];W[qq];B[pq];W[qp]
;B[qo]L[qn][bm]C[(i didn't discuss this with Yamashiro, but I think I should take sente with A, then defend at B.)];W[ro];B[qn];W[rn];B[qm];W[rm];B[ql]
(;W[dj]L[dk]C[Yamashiro emphasized a lot that this move is very bad: "tsuke is for defending, white wants to find an attacking move". He wants white to attack at A.];B[cj];W[ck];B[dk];W[ej]
(;B[bk];W[ci];B[bj];W[bi]
(;B[ek]L[dh][cg][fk]C[(Not discussed in the game analysis, but here an interesting variaiton suggeted by Leela: black exchanges A for B, and then presses with C! See the variation.).];W[fj]
;B[bm]C[Black is not bad - white's profit in the center is not that big.];W[fk]C[(Yamashiro's assessment was "even game", however Leela seems to agree with my intuition during the game, which was that black is behind.)]
(;B[fm]C[Unnecessary - since black A is sente, he is already alive!]LB[ai:A]
(;W[kk]
(;B[md]C[Overplay, white is very strong in that area.]
(;W[qc]C[Too easy on black, should push up to separate black.];B[pc];W[pb];B[ob];W[qb];B[oc];W[re];B[rf];W[qe];B[pe];W[qd]
;B[og];W[ko]
(;B[kp]
;W[nd]C[Yamashiro criticized this move as overplay.]
(;B[mc]L[me]C[Bad exchange, should be directly at A.];W[nb];B[me];W[oa];B[lh];W[nf];B[ne];W[of];B[pf];W[ng];B[oe]
;W[mh];B[lg];W[mj]
(;B[li]L[oh]C[Should be at A.
End of coomentary.];W[nk];B[ih];W[oh];B[hg];W[kf];B[mg];W[nh];B[kd];W[jj];B[ml]
;W[qj];B[lj];W[lk];B[mk];W[nl];B[mi];W[nj];B[mm];W[nm];B[mn]
;W[oo];B[np];W[nn];B[no];W[mo];B[lo];W[mp];B[nq];W[ln];B[lp]
;W[lm];B[mq];W[ll];B[mo];W[jh];B[id];W[jd];B[ic];W[jc];B[hd]
;W[ib];B[hb];W[qh];B[jg];W[kg];B[ji];W[kh];B[ki];W[ii];B[ij]
;W[hi];B[hj];W[gi];B[il];W[im];B[hm];W[hl];B[gl];W[hn];B[fe]
;W[gf];B[jb];W[kb];B[ia];W[kc];B[mb];W[na])
(;B[oh];W[li]
;B[jh]C[Black is good. White stones in the middle have no purpose, since black is connected.
End of comments.]))
(;B[me];W[nb]
;B[lh]C[Black is good.]))
(;B[km];W[kp];B[im];W[jq]
;B[lq]C[Sensei showed this and said white is bad even if it lives.]))
(;W[nd];B[me];W[ne];B[mf];W[nf];B[mg]
;W[pg]C[White aims at A next.]LB[qc:A]))
(;B[li];W[ko]
;B[ji]C[Sensei showed this variation - he does not want to automatically respond to the shoulder hit, since black is very strong in lower left.])
(;B[ki]C[Sensei wasn't sure if this is not too deep.])
(;B[me])
(;B[li];W[pg]))
(;W[pg];B[ng]
(;W[qg])
(;W[pf];B[qg];W[qh];B[pe];W[ph];B[ne])))
(;B[kk];W[el]
(;B[dl];W[aj];B[dh]
(;W[cg];B[cl];W[al];B[am];W[ak];B[bl];W[ai];B[ch])
(;W[bg]))
(;B[dh];W[bg];B[ai];W[bh];B[dl];W[aj];B[cl];W[al];B[am])))
(;B[dh]C[(Interesting variation found while analyzing the game with Leela later)];W[cg];B[fk];W[ek];B[el];W[dl];B[fl];W[ei];B[cl];W[gi];B[gj]))
(;B[bj]C[Better than the game.];W[ci];B[bi];W[ch];B[bh];W[cg];B[bk]))
(;W[dk];B[ck];W[cj];B[dj];W[bk];B[cl];W[ek];B[ci];W[bj];B[bl]
;W[bi];B[bh];W[bg])
(;W[ck];B[dk];W[cj];B[dj];W[bm])
(;W[cj]C[Another way to attack - no variations were shown.]))
(;B[dj]C[Correct way to defend.]))
(;W[cj];B[bn];W[co]
;B[bl]C[Black makes eye shape.]))
(;W[dn];B[fm];W[em];B[el];W[en];B[gk];W[go];B[hp];W[ho])
(;W[cm])
(;W[fp]))
(;B[be]C[Sensei doesn't like white to force black, so he wants black to slide once with keima (or ogeima?).]LB[bf:A];W[bf];B[ce];W[cf]))
