(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[6.50]TM[900]OT[1x12 byo-yomi]
GN[Friendly Match]PW[patlee]PB[slashpine]WR[8k]BR[10k]DT[2019-12-27]PC[OGS: https://online-go.com/game/21073493]RE[W+52.50]
;B[pd]
;W[pp]
;B[dd]
;W[cp]
;B[jd]
;W[nd]
;B[dj]
;W[dh]
;B[jq]
;W[fd]
;B[df]
;W[fg]
;B[ff]
;W[gf]
;B[fe]
;W[ge]
;B[gd]
;W[gc]
;B[hd]
;W[ed]
;B[de]
;W[dc]
;B[cc]
;W[ec]
(;B[hc]C[See variation.]
;W[cb]
;B[bc]
;W[gb]
;B[hb]
;W[fb]
;B[bb]
;W[db]
;B[qk]LB[gg:A]TR[ge][gf][fg][dh]C[There is a proverb which tells you to play urgent moves before big moves. Urgent refers to defending one of your weak groups, or attacking a weak group of your opponent.

The triangled group is weak. You should attack it. One way to attack a group is to split it into two parts, for instance by cutting at A.]
;W[pe]
(;B[od]C[See variation.]
;W[oe]
;B[ne]
;W[nc]TR[od][pd]C[The two stones are already hane'd on their head. They need liberties! You on't need to defend O15 immediately, this stone cannot be captured yet.]
(;B[me]C[See variation.]
;W[qd]
;B[pc]
;W[qc]
;B[pb]
;W[qb]
;B[nb]
;W[ob]
;B[mc]
;W[pa]
;B[md]
;W[oc]
;B[qh]TR[ge][gf][fg][dh]C[Small. Again, you should have attacked the triangled group.]
;W[gh]
;B[cm]
;W[cj]
(;B[ci]C[Are you trying yo kill the white stone? This doesn't work. See variation.]
;W[di]
;B[ck]
;W[bj]
;B[bi]
;W[bk]
;B[bl]
;W[dk]
;B[aj]
;W[cl]
;B[ak]
;W[ej]
;B[bm]
;W[dm]
;B[co]C[What does this move achieve? You are only strengthening White's corner while making 2-3 points.]
;W[dp]
;B[bp]
;W[bq]
;B[bo]
;W[do]
;B[cg]C[This is almost game over now. Black took gote to secure a small amount of points, while White got a very strong center as well as the lower left corner. 

 *** end of comments ***]
;W[hq]
;B[mq]
;W[oq]
;B[qn]
;W[qo]
;B[pn]
;W[qq]
;B[fq]
;W[gp]
;B[fp]
;W[fo]
;B[gq]
;W[hp]
;B[hr]
;W[ir]
;B[gr]
;W[iq]
;B[dr]
;W[cq]
;B[cr]
;W[cn]
;B[bn]
;W[dn]
;B[fs]
;W[jp]
;B[kq]
;W[rn]
;B[rm]
;W[ro]
;B[lo]
;W[in]
;B[jj]
;W[hj]
;B[mj]
;W[oh]
;B[oj]
;W[nf]
;B[mf]
;W[ng]
;B[mg]
;W[pi]
;B[qj]
;W[qi]
;B[ri]
;W[pj]
;B[pk]
;W[oi]
;B[nj]
;W[qg]
;B[rg]
;W[ph]
;B[rh]
;W[qf]
;B[jm]
;W[hl]
;B[ig]
;W[kn]
;B[mm]
;W[ln]
;B[mn]
;W[kl]
;B[km]
;W[lm]
;B[ll]
;W[jl]
;B[jn]
;W[ko]
;B[kp]
;W[jo]
;B[io]
;W[im]
;B[mo]
;W[lk]
;B[ml]
;W[kj]
;B[ki]
;W[ji]
;B[jh]
;W[ii]
;B[lj]
;W[kk]
;B[lh]
;W[mb]
;B[lb]
;W[na]
;B[ep]
;W[eo]
;B[dq]
;W[ap]
;B[jr]
;W[al]
;B[am]
;W[ao]
;B[ai]
;W[ch]
;B[bg]
;W[bh]
;B[ah]
;W[ba]
;B[ab]
;W[hs]
;B[er]
;W[nr]
;B[mr]
;W[ms]
;B[nq]
;W[ns]
;B[ls]
;W[or]
;B[oo]
;W[op]
;B[np]
;W[rf]
;B[sf]
;W[sg]
;B[se]
;W[sd]
;B[sh]
;W[re]
;B[rj]
;W[sg]
;B[sf]
;W[la]
;B[kb]
;W[ia]
;B[ib]
;W[ka]
;B[ha]
;W[ja]
;B[jb]
;W[ma]
;B[ga]
;W[fa]
;B[hf]
;W[ee]
;B[ef]
;W[he]
;B[ie]
;W[gg]
;B[be]
;W[hg]
;B[if]
;W[ih]
;B[mi]
;W[sm]
;B[sl]
;W[rl]
;B[sn]
;W[qm]
;B[sm]
;W[sk]
;B[pm]
;W[ql]
;B[pl]
;W[so]
;B[sj]
;W[rk]
;B[eg]
;W[eh]
;B[js]
;W[is]
;B[br]
;W[ar]
;B[bs]
;W[se]
;B[sg]
;W[ni]
;B[al]
;W[ca]
;B[gs]
;W[aq]
;B[dg]
;W[an]
;B[ag]
;W[aa]
;B[mk]
;W[po]
;B[mh]
;W[nh]
;B[]
;W[]C[patlee: ty
])
(;B[ck]
;W[ci]
;B[dk]C[You probably can't kill the white group, but you can try to surround it: build strength while attacking, it will payoff 30-40 moves later.]))
(;B[qd]))
(;B[qe]C[This is safer because it defends the corner.]
(;W[oe]
;B[qf])
(;W[pf]
;B[od]
;W[ne])))
(;B[cb]C[You should remember this kind of shape. You get a big corner, and you remove the base of your opponent.]))
