(;FF[4]
CA[UTF-8]
GM[1]
DT[2019-09-07]
GN[Friendly Match]
PC[https://online-go.com/review/413017]
PB[sumittato]
PW[Secretuse]
BR[11k]
WR[1k]
TM[1800]OT[15/300 canadian]
RE[W+270.5]
SZ[19]
KM[6.5]
RU[Japanese]

;B[dc]
;W[pp]
;B[dp]
;W[pd]
;B[nq]
;W[pn]
(;B[no]C[In the opening, try to play stones mostly on 3rd or 4th line. This move does not take sides or establish base.]
;W[iq]
;B[gq]
;W[lq]
;B[lp]
;W[kp]
;B[lo]
;W[mq]
;B[ko]
;W[jp]
;B[io]
;W[oq]
(;B[nr]
;W[np]
;B[mp]
;W[op]
;B[oo]
;W[po]
(;B[nc]
;W[pf]
(;B[qc]C[If you want to take corner, play there right away.]
;W[pc]
;B[pb]
;W[ob]
;B[rb]
;W[pa]
;B[qd]
;W[qb]
;B[qe]
;W[qf]
;B[rf]
;W[rg]
;B[se]
;W[qh]
;B[ra]
;W[pe]
;B[rd]
;W[de]
;B[fd]
;W[cc]
(;B[cd]
;W[dd]
;B[bc]
;W[cb]
;B[db]
;W[bd]
;B[bb]
;W[ce]
;B[ca]
;W[cd]
;B[ed]C[Here is black group a little heavy, does not have some nice flexible shape.]
;W[di]
(;B[dk]
;W[jc]C[This is important point for development of black group and when white takes it, black does not have effective continuation. Also black group in upper left corner is still not safe.]
(;B[lc]C[Black can not make here base for living group. This stone O17 is not much worth. It will be only running away on the board for many moves, which will let white to build position while attacking black group.]
;W[fb]
;B[ec]
;W[hc]
(;B[gb]
;W[gc]
;B[hb]
;W[ib]
;B[ia]
;W[ja]
;B[fa]
;W[ea]
;B[eb]
;W[ga]
;B[fc]
;W[ha]
;B[da]
;W[fa]
;B[ff]
;W[eg]
;B[fg]
;W[eh]
(;B[kd]C[White group is too strong, so black should not try too hard.]
;W[ie]C[This is strong principle "divide and conquer". White divides black groups and attacks 2 groups with 1 move. That is very effective.]
;B[he]
;W[je]
;B[ne]
;W[ng]
;B[mf]
;W[lh]
;B[mh]
;W[mg]
;B[li]
;W[lg]
;B[kf]
;W[jg]
;B[kg]
;W[kh]
;B[jf]
;W[if]
;B[ig]
;W[jh]
;B[hg]
;W[jj]
;B[fi]
;W[lk]
;B[nh]
;W[ol]
;B[ok]
;W[nk]
;B[nj]
;W[mj]
;B[og]
;W[of]
;B[ph]
;W[nf]
;B[qi]
;W[ri]
;B[rj]
;W[qj]
;B[sg]
;W[pi]
;B[oi]
;W[pk]
;B[oj]
;W[pl]
;B[sh]
;W[si]
;B[pj]
;W[qi]
;B[nl]
;W[mk]
;B[ji]
;W[ki]
;B[kj]
;W[kk]
;B[pg]
;W[ii]
;B[sf]
;W[jo]
;B[km]
;W[in]
;B[ho]
;W[jm]
;B[jl]
;W[il]
;B[kl]
;W[ik]
;B[hm]
;W[im]
;B[mn]
;W[ej]
;B[hj]
;W[gk]
;B[hk]
;W[hl]
;B[gl]
;W[fk]
;B[fl]
;W[ek]
;B[el]
;W[dl]
;B[cl]
;W[dm]
;B[fm]
;W[cm]
;B[dj]
;W[cj]
;B[ck]
;W[bk]
;B[bl]
;W[bm]
;B[ei]
;W[al]
;B[co]
;W[gr]
;B[fr]
;W[hr]
;B[hq]
;W[ap]
;B[bn]
;W[an]
;B[bq]
;W[aq]
;B[bp]
;W[ao]
;B[bo]
;W[br]
;B[cr]
;W[ar]
;B[hn]
;W[en]
;B[fo]
;W[eo]
;B[fn]
;W[ep]
;B[eq]
;W[fp]
;B[fq]
;W[gp]
;B[hp]
;W[qa]
;B[sc]
;W[kb]
;B[lb]
;W[nb]
;B[md]
;W[mb]
;B[jd]
;W[id]
;B[ke]
;W[rh]
;B[qk]
;W[nn]
;B[ml]
;W[on]
;B[jk]
;W[ij]
;B[hi]
;W[hf]
;B[hd]
;W[gf]
;B[ge]
;W[ac]
;B[ab]
;W[ba]
;B[ad]
;W[ef]
;B[gg]
;W[ic]
;B[ih]
;W[cs]
;B[dr]
;W[bs]
;B[ds]
;W[do]
;B[em]
;W[dn]
;B[gs]
;W[ir]
;B[kq]
;W[kr]
;B[jn]
;W[kn]
;B[ln]
;W[jn]
;B[lr]
;W[jq]
;B[mr]
;W[kq]
;B[or]
;W[pr]
;B[ps]
;W[qr]
;B[jr]
;W[go]
;B[ks]
;W[gn]
;B[gm]
;W[cn]
;B[cq]
;W[hs]
;B[rk]
;W[fs]
;B[es]
;W[gs]
;B[js]
;W[ip]
;B[ll]
;W[mi]
;B[ls]
;W[]
;B[]
)(;B[mf]C[This is light approach.Just aims to escape instead of trying to fight.]
)(;B[jg]C[Another example of light play. Blaccks just try to limit white without getting too close and while trying to strenghten his corner group.]
))(;B[ff]C[It is better to play this move right away.]
))(;B[hc]C[It is small move, but black group really does not look safe and safety has priority over all.]
)(;B[je]C[If black wants to limit white, this is better approach.]
;W[ld]
;B[ic]
;W[ib]
;B[hb]
;W[jb]
;B[hc]
))(;B[jc]C[... so it would be good to stabilize that group better.]
)(;B[ic]C[Tis is more safer, but also less points.]
))(;B[cb]
;W[cd]
;B[eb]C[Black group has good shape and can create 2 eyes.]
;W[ci]C[This is joseki. Black group is stabilized and black can play elsewhere.]
(;B[ck]C[For example here ...]
)(;B[kc]C[... or here ...]
)))(;B[jd]C[This is good continuation, which makes nice framework on top and it develops both from D17 and O17. It is influential play, which leaves some aji but you do not worry too much about territory.]
)(;B[pb]
;W[qc]
;B[kc]C[This is joseki, which creats base for you andd makes your group stabilized and alive. However, it does not develop too much D17.]
))(;B[qc]C[This is better to play right away instead of playing O17 first. If you aim at corner, play ther right away. If you play at O17, do not try to take corner immediately.]
))(;B[np]C[This is locally better, but there is not need to play there at all.This is better, but there is not need to play there at all.]
)(;B[nc]C[In opening, try to spread more around board. Do not play too many stones in one place.]
))(;B[jp]C[This is better move. It takes side.]
)(;B[pr]
;W[qq]
;B[kq]C[This establishes base.]
;W[qj]C[This is possible variation.]
))