
(;CA[UTF-8]ST[2]AP[GOWrite:3.0.15]SZ[19]FF[4]GM[1]WR[5d]EV[British Go Championship]RE[B+6.50]PM[2]BR[4d]DT[2023-08-27]RO[2]PW[Ho Yeung Woo]FG[259:]RU[Japanese]PB[Bruno Poltronieri]GN[ ]KM[6.50]
;C[This is the second game of the best-of-three final match of the British Championship between Bruno Poltronieri 4d (Black) and Ho Yeung Woo 5d. The previous game was an intense battle and Ho won it by resignation after 147 moves playing Black.]B[pp]
;W[dd];B[dp];W[pd];B[qc];W[qd];B[pc];W[od];B[nb];W[cn];B[qh];W[fq];B[dn];W[dm];B[en];W[co];B[cp];W[er];B[dr];W[cr]
(
;B[cm];W[cl];B[bm];W[bl];B[em];W[dl];B[ds];W[iq];B[do];W[bn];B[bo];W[am];B[oh]
(
;W[mf]C[ ]
(
;B[qn];W[mc];B[mb];W[kc];B[kq]
;W[nm]C[Another creative move by Ho Yeung Woo 5d - a probe asking Black which side he prefers to enclose.]
;B[pl];W[np];B[ko];W[pq];B[qq]
(
;W[oq]
;C[Black 47 is a little slow. Extension at A would be better.]LB[qr:A]B[qp]
;W[mq];B[io];W[kr]
;C[Instead of Black 51 or the previous move it's better to make a big move elsewhere - for example, a san-san invasion in the upper-left corner.]B[lr]
;W[lq];B[jr];W[kp];B[jq];W[jp];B[ip];W[ir];B[ks];W[jo];B[jn];W[lp];B[mr];W[nr];B[ms];W[dq];B[cq];W[eq];B[br];W[in];B[go];W[gr];B[im];W[kn];B[hn];W[is];B[js]
;W[fd]C[Black's attack on the lower side ended in gote, he didn't profit much from it and both white groups are safe - White gained a comfortable lead in the game.]
;B[bd]
(
;W[bf];B[cc];W[db];B[ce];W[cg];B[dg];W[dh];B[df];W[eh];B[ch];W[bh];B[ci];W[bi]
(
;B[fe];W[fg]
(
;B[ec];W[dc];B[cf];W[bg];B[ed];W[ee];B[ff];W[de];B[gd];W[ef];B[eg];W[gg];B[eb];W[cb];B[bb];W[cd];B[be];W[bc];B[ac];W[ae];B[cc];W[ge];B[fc];W[gf];B[fd];W[bc];B[lo]
;W[ad]C[A catasrophic result for Black. If White also captures the black group on the upper side, Black wouldn't be able to compensate it in the lower right.]
;B[mo];W[jm];B[in];W[ln];B[no];W[oo];B[on];W[nn];B[op]
(
;W[kj]
(
;B[li];W[hc];B[ki];W[ij];B[ji];W[jj];B[ii];W[mn];B[po];W[jl]
;C[A desperate but necessary attempt - otherwise, Black is far behind on points.]B[hd]
(
;W[ic];B[id]
(
;W[je];B[jd];W[kd];B[jc];W[jb];B[kb]
(
;W[lb];B[ib];W[ka]
;C[Black 151 - 155 not only made life on the upper side, but also gained almost ten points of territory there - a big success for Black and a turning point of the game!]B[hb]
;W[rc];B[rb];W[re];B[sc];W[sd];B[rd];W[gb];B[gc];W[rc];B[hq];W[hr];B[rd];W[qr];B[rr];W[rc];B[mk]
(
;W[ll];B[rd];W[rq];B[pr];W[rc];B[sb]
;W[oi]C[Another desperate attempt to complicate the sitatuation.]
;B[ni];W[nj]
(
;B[oj];W[pi];B[pj];W[mi];B[nh];W[mh];B[mj];W[ng];B[lj];W[ph];B[qi];W[og];B[nk]
;W[qg]C[Even though White gained points here, it's not enough - Black is still ahead.

After a straightforward endgame, Bruno Poltonieri 4d playing Black won by 6.5 points. This game was full of exciting struggle and breathtaking exchanges. Next time we will go together through the third and final game of the series.
]
;B[hj];W[hk];B[gk];W[ik];B[ek];W[gj];B[fj];W[hi];B[cj];W[el];B[gl];W[dj];B[dk];W[ck];B[di];W[ei];B[ej];W[bj];B[dj];W[rh];B[ri];W[si];B[rg];W[sg];B[sh];W[fl];B[fk];W[rh];B[fs];W[es];B[cs];W[gp];B[hp];W[gs];B[sh];W[gm];B[hl];W[rh];B[rf];W[qf];B[sh];W[ps];B[qs];W[rh];B[sj];W[sf];B[sh];W[fo];B[gn];W[si];B[qj];W[fm];B[fn];W[pa];B[pb];W[ma];B[qa];W[nc];B[ob];W[om];B[pm];W[kg];B[jf];W[kf];B[ie];W[bp];B[bq];W[ao];B[ke];W[le];B[gq];W[fp];B[lh];W[lg];B[ni];W[nh];B[sh];W[or];B[qr];W[si];B[fi];W[ml];B[sh];W[bs];B[as];W[si];B[lk];W[kk];B[sh];W[il];B[hm];W[si];B[aq];W[ol];B[ok];W[sh];B[da];W[ca];B[ea];W[ap];B[ia];W[ja];B[rd];W[rj];B[rk];W[rc];B[na];W[la];B[rd];W[sk];B[sl];W[rc];B[lc];W[ld];B[rd];W[mp];B[nq];W[rc];B[gi];W[rd];B[hj];W[hh];B[je];W[gj];B[nj];W[hj];B[jg];W[ih];B[jh];W[ig];B[hf];W[fr];B[nl];W[hg];B[fh];W[he];B[if];W[gh];B[kh];W[oc];B[eo];W[ep]
)
(
;VW[ha:ss]FG[259:]PM[2]MN[1]
;B[mi];W[pi];B[ph];W[nk]
;C[The strongest resistance for Black]B[qj]
)

)
(
;FG[259:]PM[2]MN[1]
;W[sb]
(
;B[ll];W[gj];B[km]
;W[rg]C[Black 171 was a careless ko threat\: if White accepts this trade, the game becomes close.]
)
(
;FG[259:]PM[2]MN[1]
;B[hj];W[hk];B[gk];W[gj];B[hi];W[hl];B[ll];W[gl];B[fk];W[fl];B[el];W[ek];B[fj]
;W[gi]C[There is no way for Black to kill the whole white group in the middle. If he plays 7 at 8, White plays 7 and makes two eyes.]
)

)

)
(
;VW[aa:si]FG[259:]PM[2]MN[1]
;W[ib];B[lb];W[gb];B[if]
(
;W[ie];B[he];W[hf];B[ke];W[jf];B[kf];W[jg]
;C[If White tries to resist as shown in this diagram, Black captures the two cutting stones.]B[md]
)
(
;VW[aa:si]FG[259:]PM[2]MN[1]
;W[jf];B[ig];W[ie];B[he];W[hf];B[ke];W[kf]
;C[This is a harder resistance, but Black 6 is a severe cut leaving White no chance of success.]B[le]
)

)

)
(
;VW[aa:si]FG[259:]PM[2]MN[1]
;W[jf];B[jd];W[lb];B[if];W[ig];B[jg]
;W[kf]C[White 146 in the game was a careless move - perhaps, Ho Yeung Woo didn't see Black's follow-up in the game. This diagram shows how White could kill Black in a safe way.]
)

)
(
;VW[aa:si]FG[259:]PM[2]MN[1]
;W[id];B[ie];W[jd];B[he];W[jf];B[je]
;W[kf]C[The easiest way to kill Black.]
)

)
(
;VW[aa:sj]FG[259:]PM[2]MN[1]
;B[hc];W[ib]
;C[Instead of Black 133 in the game, it was better to try to make life on the upper side. After Black 3, White can play A, but this looks risky - the center is still open and White's influence would be erased if Black makes two eyes there.]LB[fa:A]B[gb]
)

)
(
;FG[259:]PM[2]MN[1]
;W[hc];B[hd]
;W[ic]C[White 1 and 3 kills Black on the upper side. A and B are miai and White is ahead on points.]LB[kj:A][li:B]
)

)
(
;VW[aa:sl]FG[259:]PM[2]MN[1]
;B[dc];W[ec];B[cf];W[bg];B[ee];W[ed];B[cb];W[eb]
;C[Black 95 in the game led to a disaster for Black. Bruno still had a chance to escape, making the game close.]B[ge]
)

)
(
;VW[aa:sl]FG[259:]PM[2]MN[1]
;B[cf];W[bg];B[dc];W[ec];B[ee];W[ed];B[cb];W[eb]
;C[Black 93 in the game was an odd shape. In this diagram you can see a simple and clear way for Black to escape, reducing White's potential.]B[gf]
)

)
(
;FG[259:]PM[2]MN[1]
;W[cd];B[be];W[bc];B[ch]
;TR[bn][cn][bl][co][cl][dl][am][dm]W[eh]C[White 80 in the game was a wrong direction of play. Instead of making points on the left side, it was better to enclose the corner and push Black towards a powerful triangled thickness, extending the moyo on the upper side.]
)

)
(
;VW[jg:ss]FG[259:]PM[2]MN[1]
;W[qr]
(
;B[oq];W[pr];B[op];W[qp];B[rq];W[rp];B[rr]
;TR[np][nm]W[rs]C[White 46 in the game was a slow move. It's better to play a hane White 1 - the triangled stones are light and White can exchange them for the corner.]
)
(
;VW[jg:ss]FG[259:]PM[2]MN[1]
;B[pr];W[oq];B[rr];W[qp];B[rq];W[po];B[rp];W[qo];B[ro];W[pn];B[pm]
;W[om]C[Black 1 here allows White to capture another stone, making two eyes and reducing Black's corner. This result is good for White.]
)

)

)
(
;VW[ja:sj]FG[259:]PM[2]MN[1]
;C[ ]B[mc];W[md];B[ld];W[le]
;TR[mf]C[The triangled stone helps White make a good shape if Black continues playing here.]B[kd]
)

)
(
;VW[ja:sj]FG[259:]PM[2]MN[1]
;W[mc];B[nc];W[nd];B[md];W[lc]
;TR[oh][qh]C[White 34 in the game is a creative jump. If White plays keima at 1 instead, Black splits White in two and the triangled stones make the following fight favorable for Black.]B[me]
)

)
(
;VW[aj:js]FG[259:]PM[2]MN[1]
;B[ep]
;W[dq]C[Black's sacrifice of 21 and 23 in the game gave White too much influence. It was better to connect as shown in this diagram. If White 2 captures the black stone in the corner, Black can attack on the left side with A and on the lower side with B. Instead of 2, White might prefer to extend at C.]LB[dk:A][hp:B][iq:C]
)

)
