(;GM[1]FF[4]SZ[19]AP[SmartGo:1.5]CA[UTF-8]ST[2]
PW[wendyshi]
PB[Petteri Hiisilä]
HA[3]
KM[0.5]
RU[Chinese]
;B[pd]CR[pd];B[dp]CR[dp];B[pp]CR[pp];W[ec]CR[ec];B[cj]CR[cj];W[cn]CR[cn]
;B[fp]CR[fp];W[hq]CR[hq]
(;B[fr]CR[fr]BM[1];W[kq]CR[kq];B[mq]CR[mq];W[qn]CR[qn]
(;B[qp]CR[qp]BM[1];W[qk]CR[qk];B[cg]CR[cg];W[cp]CR[cp];B[cq]CR[cq];W[bq]
CR[bq];B[bp]CR[bp]TE[1];W[co]CR[co];B[br]CR[br]
C[White can't cut, because black has ladder broker.]
(;W[ck]CR[ck];B[dj]CR[dj];W[el]CR[el];B[cd]CR[cd]
C[Good move.]TE[1];W[nc]CR[nc]
(;B[qf]CR[qf]BM[1];W[jd]CR[jd];B[qi]CR[qi]
C[Good move.]TE[1];W[de]CR[de];B[ce]CR[ce];W[dg]CR[dg]
C[Must defend this. Mistake not to defend.]
(;B[md]CR[md]
C[Not good. See variations.]BM[1];W[nd]CR[nd];B[me]CR[me];W[ne]CR[ne];B[mf]
CR[mf];W[nf]CR[nf]
(;B[pg]CR[pg]BM[1];W[ng]CR[ng];B[mg]CR[mg];W[mh]CR[mh];B[lh]CR[lh];W[ni]
CR[ni];B[jf]CR[jf];W[li]CR[li];B[kh]CR[kh];W[mc]CR[mc]
C[Because black let his group become weak, white will have a lot of territory in the middle by attacking.]
;B[ki]CR[ki];W[kj]CR[kj];B[jj]CR[jj];W[kk]CR[kk];B[jk]CR[jk];W[jl]CR[jl]
;B[on]CR[on]TE[1];W[ol]CR[ol];B[db]CR[db];W[eb]CR[eb];B[lc]CR[lc];W[kc]CR[kc]
;B[ld]CR[ld];W[lb]CR[lb];B[pc]CR[pc];W[ii]CR[ii]
(;B[ih]CR[ih]TE[1];W[hh]CR[hh];B[ig]CR[ig];W[ji]CR[ji]TE[1]
C[Black lost the game because by allowing white capture these stones.

Next time\:

1) Don't let key stones to be captured!

2) Separate white's weak stones and then attack them!
]
TR[cj:dj][jj:jk];B[jh]CR[jh];W[he]CR[he];B[hg]CR[hg];W[gh]CR[gh];B[kd]CR[kd]
;W[jc]CR[jc];B[je]CR[je];W[ch]CR[ch];B[bg]CR[bg];W[bh]CR[bh];B[df]CR[df]
;W[ef]CR[ef];B[cf]CR[cf];W[dh]CR[dh];B[dd]CR[dd];W[ee]CR[ee];B[ed]CR[ed]
;W[fd]CR[fd];B[dc]CR[dc];W[gc]CR[gc];B[lo]CR[lo];W[mr]CR[mr];B[nr]CR[nr]
;W[lr]CR[lr];B[nq]CR[nq];W[ro]CR[ro];B[rp]CR[rp];W[go]CR[go];B[rj]CR[rj]
;W[dq]CR[dq];B[cr]CR[cr];W[eq]CR[eq];B[er]CR[er];W[fq]CR[fq];B[gq]CR[gq]
;W[gp]CR[gp];B[gr]CR[gr];W[ep]CR[ep];B[rl]CR[rl];W[rk]CR[rk];B[sk]CR[sk]
;W[ql]CR[ql];B[rm]CR[rm];W[qm]CR[qm];B[rn]CR[rn];W[sn]CR[sn];B[sl]CR[sl]
;W[ko]CR[ko];B[lj]CR[lj];W[mi]CR[mi];B[lk]CR[lk];W[kl]CR[kl];B[ll]CR[ll]
;W[lm]CR[lm];B[mm]CR[mm];W[mn]CR[mn];B[ln]CR[ln];W[km]CR[km];B[kn]CR[kn]
;W[jn]CR[jn];B[kp]CR[kp];W[lp]CR[lp];B[mo]CR[mo];W[jp]CR[jp];B[nl]CR[nl]
;W[oj]CR[oj];B[qo]CR[qo];W[hr]CR[hr];B[dr]CR[dr];W[eo]CR[eo];B[hs]CR[hs]
;W[is]CR[is];B[gs]CR[gs];W[ns]CR[ns];B[os]CR[os];W[ms]CR[ms];B[pr]CR[pr]
;W[mp]CR[mp];B[no]CR[no];W[ob]CR[ob];B[pb]CR[pb];W[pa]CR[pa];B[qa]CR[qa]
;W[oa]CR[oa];B[rb]CR[rb];W[da]CR[da];B[ca]CR[ca];W[ea]CR[ea];B[bb]CR[bb]
;W[bo]CR[bo];B[ah]CR[ah];W[ai]CR[ai];B[ag]CR[ag];W[bi]CR[bi];B[aq]CR[aq]
;W[nk]CR[nk];B[om]CR[om];W[ml]CR[ml];B[nm]CR[nm];W[mk]CR[mk];B[pl]CR[pl]
;W[ok]CR[ok];B[pk]CR[pk];W[pj]CR[pj];B[pm]CR[pm];W[qj]CR[qj];B[ri]CR[ri]
;W[pe]CR[pe];B[qe]CR[qe];W[ph]CR[ph];B[qh]CR[qh];W[pf]CR[pf];B[oh]CR[oh]
;W[pi]CR[pi];B[og]CR[og];W[nh]CR[nh];B[gf]CR[gf];W[ge]CR[ge];B[ie]CR[ie]
;W[id]CR[id];B[ff]CR[ff];W[fe]CR[fe];B[fh]CR[fh];W[fi]CR[fi];B[gg]CR[gg]
;W[gi]CR[gi];B[np]CR[np];W[lq]CR[lq];B[oc]CR[oc];W[nb]CR[nb];B[eh]CR[eh]
;W[ei]CR[ei];B[fg]CR[fg];W[eg]CR[eg];B[hf]CR[hf];W[ao]CR[ao];B[ap]CR[ap]
;W[pn]CR[pn];B[po]CR[po];W[of]CR[of];B[od]CR[od];W[oi]CR[oi];B[qg]CR[qg]
;W[oe]CR[oe])
(;B[ji]CR[ji]
C[Should connect.];W[ih]CR[ih];B[kd]CR[kd];W[jc]CR[jc];B[je]CR[je]
C[Black will live, and the dragon towards the center prevents white from making a lot of territory in the middle.]
))
(;B[ng]CR[ng];W[mc]CR[mc];B[mg]CR[mg]
C[This is better than the sequence in the game. Black wall towards the center prevents a lot of white territory in the center.]
))
(;B[df]CR[df];W[ef]CR[ef];B[cf]CR[cf];W[ee]CR[ee]TR[cj:dj]
C[Now white can't capture stones. It was a big capture in the game.])
(;B[pb]CR[pb]
C[Better move!]))
(;B[jc]CR[jc]
C[Here is better. Black can split white groups.];W[ne]CR[ne];B[pf]CR[pf]
;W[hc]CR[hc];B[je]CR[je]
C[White still quite weak with two groups.]))
(;W[dq]CR[dq];B[cr]CR[cr];W[ep]CR[ep]TR[pd]
C[Ladder broker.]))
(;B[qo]CR[qo];W[pn]CR[pn];B[qk]CR[qk]
C[A good attacking position.]
(;W[qi]CR[qi];B[ok]CR[ok]
C[White is too weak to jump over black. Now white would have two groups.]
)
(;W[pl]CR[pl];B[pk]CR[pk];W[mm]CR[mm];B[ph]CR[ph]
C[Good sequence for white. And white is still quite weak. Black has territory in two sides.]
)))
(;B[fn]CR[fn]
C[Don't stay in corner, if you can't have it as territory. White stone on both sides prevents it from bicoming territory.]
))

]C[A good attacking position.]
(;W[qi]CR[qi]
;B[ok]CR[ok]C[White is too weak to jump over black. Now white would have two groups.])
(;W[pl]CR[pl]
;B[pk]CR[pk]
;W[mm]CR[mm]
;B[ph]CR[ph]C[Good sequence for white. And white is still quite weak. Black has territory in two sides.])))
(;B[fn]CR[fn]C[Don't stay in corner, if you can't have it as territory. White stone on both sides prevents it from bicoming territory.]))
