(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[19]KM[6.50]TM[1800]OT[5x20 byo-yomi]
PW[white]PB[black]RE[B+5.50]MULTIGOGM[1]
;B[pd]CR[pd]BL[698.383]
;W[dp]CR[dp]WL[694.836]
;B[pq]CR[pq]BL[693.114]
;W[dd]CR[dd]WL[693.314]
;B[fq]CR[fq]BL[691.254]
(;W[hq]CR[hq]WL[690.378]C[W h3 aims at preventing white from playing the Kobayashi opening.]
(;B[cq]CR[cq]BL[689.847]
;W[dq]CR[dq]WL[688.763]
;B[cp]CR[cp]BL[688.933]
;W[do]CR[do]WL[687.828]
;B[dr]CR[dr]BL[687.216]
;W[er]CR[er]WL[686.969]
;B[cr]CR[cr]BL[686.75]
;W[eq]CR[eq]WL[686.423]
;B[cn]CR[cn]BL[686.209]
(;W[dm]CR[dm]WL[680.667]C[Since white doesn't have any stones on the right side, extending at d7 is an empty move, it  gives b many points.]
;B[cm]CR[cm]BL[684.581]
;W[dl]CR[dl]WL[678.901]
;B[cl]CR[cl]BL[683.154]C[B c7 and c8 are the correct answers.]
(;W[cj]CR[cj]WL[672.358]C[C10 is an overplay, white has too many weaknesses.]
;B[dn]CR[dn]BL[681.09]
;W[en]CR[en]WL[670.708]
(;B[eo]CR[eo]BL[677.604]C[E5 is a good idea, but it's not working in the current position.]
(;W[co]CR[co]WL[644.42]C[With c5, white fills one of its own liberties; it is almost the losing move.]
;B[bo]CR[bo]BL[674.436]
;W[fr]CR[fr]WL[641.127]
;B[em]CR[em]BL[671.496]
;W[fn]CR[fn]WL[638.904]
;B[dk]CR[dk]BL[661.113]C[White collapses. Black is leading.]
;W[el]CR[el]WL[636.527]
(;B[fm]CR[fm]BL[658.745]
;W[ck]CR[ck]WL[628.13]
(;B[gn]CR[gn]BL[654.319]C[Atari at g6 is a common mistake by kyu players.]
;W[fo]CR[fo]WL[625.646]
;B[go]CR[go]BL[652.548]
;W[fp]CR[fp]WL[620.328]
;B[gp]CR[gp]BL[649.052]
;W[gq]CR[gq]WL[617.994]C[Now white is unconditionally alive and black's stones on the outside are weak.]
;B[ek]CR[ek]BL[645.87]
;W[fl]CR[fl]WL[615.008]
;B[gm]CR[gm]BL[645.081]
(;W[fk]CR[fk]WL[612.829]C[W f9 is the wrong direction.]
(;B[ej]CR[ej]BL[643.829]C[E10 is too heavy.]
;W[fj]CR[fj]WL[609.95]
;B[ei]CR[ei]BL[642.274]
;W[fi]CR[fi]WL[586.118]
;B[eh]CR[eh]BL[640.181]
(;W[ch]CR[ch]WL[584.094]C[C12 is too far from the star point at d16.]
;B[fh]CR[fh]BL[636.923]
;W[hi]CR[hi]WL[580.276]C[Black has two weak groups, it's becoming difficult for black.]
;B[gh]CR[gh]BL[635.263]
;W[hj]CR[hj]WL[578.312]
;B[cg]CR[cg]BL[631.498]C[B c13 is a good move!]
;W[bh]CR[bh]WL[552.588]
(;B[bg]CR[bg]BL[629.525]C[B b13 is an overplay :(.]
;W[dg]CR[dg]WL[551.082]C[White's counterattack at d13 is the correct move. After d13 black cannot save the two stones at c13.]
(;B[dh]CR[dh]BL[628.661]
;W[df]CR[df]WL[548.966]
;B[ce]CR[ce]BL[627.18]
;W[cf]CR[cf]WL[522.699]
;B[bf]CR[bf]BL[613.759]
(;W[bd]CR[bd]WL[517.441]C[B16 is a huge mistake.]
(;B[be]CR[be]BL[612.329]
;W[de]CR[de]WL[513.656]
(;B[bi]CR[bi]BL[609.558]C[B11 is a bad move :(, it allows white to live.]
;W[ci]CR[ci]WL[505.705]
(;B[ah]CR[ah]BL[607.562]
(;W[bj]CR[bj]WL[496.284]
(;B[ai]CR[ai]BL[602.571]
;W[ag]CR[ag]WL[493.047]
;B[af]CR[af]BL[600.981]
;W[cd]CR[cd]WL[487.637]C[:(]
;B[fd]CR[fd]BL[592.158]
;W[bl]CR[bl]WL[482.621]
;B[bn]CR[bn]BL[590.134]
;W[kp]CR[kp]WL[471.732]C[White is winning.]
;B[jo]CR[jo]BL[587.12]
;W[jp]CR[jp]WL[470.082]
;B[jl]CR[jl]BL[585.265]
;W[io]CR[io]WL[466.154]
;B[in]CR[in]BL[583.322]
;W[ko]CR[ko]WL[464.675]
;B[jn]CR[jn]BL[581.753]
(;W[hp]CR[hp]WL[457.598]C[H4 is too small!]
;B[ig]CR[ig]BL[577.086]C[B j13 is a good move!]
;W[hh]CR[hh]WL[452.914]
;B[hg]CR[hg]BL[575.677]
;W[gf]CR[gf]WL[451.123]C[W g14 is a bit too wide.]
;B[ff]CR[ff]BL[570.832]C[Counterattacking at 14 is good!]
;W[ge]CR[ge]WL[449.04]
;B[fe]CR[fe]BL[569.555]
;W[gg]CR[gg]WL[445.385]
;B[fg]CR[fg]BL[568.059]
(;W[kh]CR[kh]WL[443.48]
;B[hd]CR[hd]BL[566.469]
(;W[mn]CR[mn]WL[438.258]C[White n6 is a useless move, it neither helps black nor attacks black.]
;B[ji]CR[ji]BL[564.209]C[B k11 is an aggressive move, a good one.]
;W[jj]CR[jj]WL[436.174]
;B[ki]CR[ki]BL[562.863]
;W[jk]CR[jk]WL[432.033]
;B[kl]CR[kl]BL[561.149]
(;W[kj]CR[kj]WL[425.583]
;B[li]CR[li]BL[559.413]
;W[lk]CR[lk]WL[423.865]
(;B[ll]CR[ll]BL[557.955]
;W[mk]CR[mk]WL[422.24]
;B[ml]CR[ml]BL[556.98]
;W[ok]CR[ok]WL[412.298]
(;B[nl]CR[nl]BL[555.338]
;W[nk]CR[nk]WL[410.394]
;B[on]CR[on]BL[553.827]
;W[ol]CR[ol]WL[406.553]
;B[nm]CR[nm]BL[551.956]
(;W[om]CR[om]WL[404.341]
;B[nn]CR[nn]BL[550.16]C[P7 strengthens black and damages w n6.]
;W[qn]CR[qn]WL[401.961]
;B[po]CR[po]BL[547.757]
;W[qo]CR[qo]WL[400.241]
;B[qp]CR[qp]BL[546.388]
;W[pn]CR[pn]WL[398.296]
;B[op]CR[op]BL[544.573]
;W[qh]CR[qh]WL[393.918]C[Now both black and white have a moyo. Should black invade white or continue building its moyo?]
(;B[pi]CR[pi]BL[540.583]C[Even though q11 is a good point, it is not suitable in this game.]
(;W[qi]CR[qi]WL[392.126]C[R11 is the wrong direction.]
;B[pj]CR[pj]BL[539.559]
;W[ni]CR[ni]WL[387.034]
;B[ph]CR[ph]BL[537.773]
(;W[jh]CR[jh]WL[380.447]
;B[ih]CR[ih]BL[535.869]C[White lost many points here, the stones at k12 are dead.]
(;W[qj]CR[qj]WL[363.435]
;B[pk]CR[pk]BL[534.362]
;W[ql]CR[ql]WL[362.121]
;B[qk]CR[qk]BL[532.757]
;W[rk]CR[rk]WL[360.846]
;B[rj]CR[rj]BL[531.175]
;W[rl]CR[rl]WL[357.434]C[B r9 and s10 are good tesujis!]
;B[qg]CR[qg]BL[529.547]
;W[ri]CR[ri]WL[355.361]
;B[rh]CR[rh]BL[527.079]
;W[sj]CR[sj]WL[354.073]C[Black encloses white in sente.]
;B[nh]CR[nh]BL[525.9]C[After o12, black wins for sure.]
;W[mc]CR[mc]WL[351.226]
;B[oc]CR[oc]BL[523.163]
;W[jc]CR[jc]WL[349.41]
;B[ld]CR[ld]BL[520.861]
;W[lc]CR[lc]WL[346.357]
;B[kd]CR[kd]BL[519.73]
;W[hb]CR[hb]WL[342.169]
;B[kc]CR[kc]BL[516.998]
;W[kb]CR[kb]WL[340.773]
(;B[jd]CR[jd]BL[510.809]
;W[ic]CR[ic]WL[337.766]
;B[nb]CR[nb]BL[508.031]
;W[id]CR[id]WL[332.554]
;B[ie]CR[ie]BL[505.819]
;W[md]CR[md]WL[325.993]
;B[mb]CR[mb]BL[502.759]
;W[gd]CR[gd]WL[298.806]C[G16 is not working.]
;B[gc]CR[gc]BL[495.56]
(;W[gb]CR[gb]WL[287.796]C[W g18 is a huge mistake.]
(;B[hc]CR[hc]BL[493.564]
;W[fc]CR[fc]WL[285.015]
;B[he]CR[he]BL[491.48]
;W[lb]CR[lb]WL[274.29]
;B[ec]CR[ec]BL[486.391]
;W[fb]CR[fb]WL[267.653]
(;B[lf]CR[lf]BL[479.21]C[Black m14 is too small.]
;W[mf]CR[mf]WL[264.94]
;B[me]CR[me]BL[477.364]
;W[ne]CR[ne]WL[250.855]
;B[le]CR[le]BL[475.681]
;W[od]CR[od]WL[241.199]
;B[pe]CR[pe]BL[471.184]
;W[ed]CR[ed]WL[236.694]
(;B[nf]CR[nf]BL[467.586]
;W[of]CR[of]WL[234.082]
;B[ng]CR[ng]BL[466.068]
;W[mi]CR[mi]WL[217.253]
;B[mh]CR[mh]BL[464.011]
;W[nq]CR[nq]WL[203.941]C[W o3 is huge; after this move, white is winning.]
(;B[ii]CR[ii]BL[460.565]C[J11 is a useless move :(.]
;W[or]CR[or]WL[189.259]
(;B[ij]CR[ij]BL[457.566]
;W[ik]CR[ik]WL[187.101]
;B[hk]CR[hk]BL[456.086]C[J9 and h9 are not working :(.]
;W[hl]CR[hl]WL[185.477]
;B[il]CR[il]BL[454.043]
;W[gl]CR[gl]WL[171.045]
;B[lj]CR[lj]BL[451.853]
;W[kk]CR[kk]WL[167.637]C[Black lost some points here.]
;B[pr]CR[pr]BL[451.268]
;W[np]CR[np]WL[157.078]
;B[oq]CR[oq]BL[446.971]
;W[hn]CR[hn]WL[139.244]
;B[hm]CR[hm]BL[443.646]
;W[ho]CR[ho]WL[136.542]
;B[im]CR[im]BL[442.339]
;W[no]CR[no]WL[133.939]
;B[oo]CR[oo]BL[438.405]
(;W[oe]CR[oe]WL[123.063]
(;B[pf]CR[pf]BL[435.148]
;W[og]CR[og]WL[120.352]
;B[oh]CR[oh]BL[431.603]
(;W[rg]CR[rg]WL[114.969]
;B[pg]CR[pg]BL[428.057]C[Q13 is a bad move.]
(;W[nd]CR[nd]WL[109.104]
;B[rf]CR[rf]BL[427.363]
;W[sh]CR[sh]WL[106.649]
;B[sf]CR[sf]BL[422.808]
;W[pc]CR[pc]WL[100]
;B[pb]CR[pb]BL[419.284]
;W[qc]CR[qc]WL[100]
;B[qb]CR[qb]BL[418.861]
;W[nc]CR[nc]WL[100]
;B[ob]CR[ob]BL[417.125]
;W[rp]CR[rp]WL[100]C[W s4 is worth 8 points, smaller than o2.]
;B[rq]CR[rq]BL[414.517]
;W[so]CR[so]WL[100]
;B[nr]CR[nr]BL[414.016]
;W[mr]CR[mr]WL[100]
;B[os]CR[os]BL[413.236]
;W[sq]CR[sq]WL[100]
;B[sr]CR[sr]BL[411.9]
(;W[rr]CR[rr]WL[100]C[Starting the ko is the losing move.]
;B[sp]CR[sp]BL[411.379]
(;W[aq]CR[aq]WL[80]
;B[ro]CR[ro]BL[408.003]C[S5 is correct!]
;W[bp]CR[bp]WL[80]
;B[bq]CR[bq]BL[404.469]
;W[ao]CR[ao]WL[80]
;B[an]CR[an]BL[402.286]
;W[pl]CR[pl]WL[80]
;B[rn]CR[rn]BL[398.786]
;W[rm]CR[rm]WL[80]
;B[mq]CR[mq]BL[396.281]
;W[lq]CR[lq]WL[80]
;B[ms]CR[ms]BL[393.042]
;W[lr]CR[lr]WL[80]
;B[ln]CR[ln]BL[389.406]
;W[lo]CR[lo]WL[80]
;B[mm]CR[mm]BL[387.208]
;W[mp]CR[mp]WL[80]
;B[ls]CR[ls]BL[384.582]
;W[ks]CR[ks]WL[80]
;B[ns]CR[ns]BL[383.855]
;W[jr]CR[jr]WL[80]
;B[la]CR[la]BL[379.854]
;W[jb]CR[jb]WL[80]
(;B[ka]CR[ka]BL[377.027]
;W[ja]CR[ja]WL[80]
;B[ma]CR[ma]BL[375.498]C[L19 is only worth 1 point while g11 is worth two points in sente.]
;W[sm]CR[sm]WL[80]
;B[ia]CR[ia]BL[364.568]
;W[ib]CR[ib]WL[80]
;B[eb]CR[eb]BL[364.09]
;W[db]CR[db]WL[80]
;B[sn]CR[sn]BL[357.141]
;W[am]CR[am]WL[60]
;B[ap]CR[ap]BL[353.864]
;W[kn]CR[kn]WL[60]
;B[gj]CR[gj]BL[350.386]
;W[gk]CR[gk]WL[60]
;B[gi]CR[gi]BL[348.871]
;W[hk]CR[hk]WL[60]
;B[mj]CR[mj]BL[345.896]
;W[nj]CR[nj]WL[60]
;B[mo]CR[mo]BL[345.032]
;W[rc]CR[rc]WL[60]
;B[rb]CR[rb]BL[340.795]
;W[mn]CR[mn]WL[60]
;B[js]CR[js]BL[338.333]
;W[is]CR[is]WL[60]
;B[es]CR[es]BL[336.65]
;W[fs]CR[fs]WL[60]
;B[ds]CR[ds]BL[335.77]
;W[lm]CR[lm]WL[60]
;B[km]CR[km]BL[332.185]
;W[sg]CR[sg]WL[60]
;B[bm]CR[bm]BL[330.039]
(;W[aj]CR[aj]WL[60]
;B[al]CR[al]BL[328.101]
;W[bk]CR[bk]WL[60]
;B[dj]CR[dj]BL[325.55]
;W[ag]CR[ag]WL[60]
;B[ah]CR[ah]BL[323.964]
;W[ai]CR[ai]WL[60]
;B[di]CR[di]BL[322.004]
;W[ad]CR[ad]WL[60]
;B[am]CR[am]BL[319.47]
;W[ae]CR[ae]WL[60]C[White lost some points again.]
;B[ln]CR[ln]BL[318.817]
;W[mo]CR[mo]WL[60]
;B[lm]CR[lm]BL[315.691]
;W[]WL[60]
;B[ak]CR[ak]BL[312.929]
;W[ag]CR[ag]WL[60]
;B[]BL[312.929]C[In this game, both black and white had chances to win easily, but they could not keep it simple and it turned into a complex game. 

There were also many typical kyu's mistakes like c5 and g6. Be careful about such mistakes that could easily be avoided.]
;W[]WL[60]TW[aa][ba][ca][da][ea][fa][ga][ha][ia][ab][bb][cb][eb][ac][bc][cc][dc][ec][be][ce][af][bf][bg][cg][ah][rh][bi][si][rj][sk][sl][pm][qm][ip][lp][fq][iq][jq][kq][mq][gr][hr][ir][kr][gs][hs][js]TB[na][oa][pa][qa][ra][sa][sb][pc][qc][rc][sc][gd][qd][rd][sd][ge][je][ke][qe][re][se][gf][hf][if][jf][kf][mf][qf][gg][jg][kg][lg][mg][jh][kh][lh][jm][ao][so][bp][pp][rp][aq][qq][sq][ar][br][or][qr][rr][as][bs][cs][ps][qs][rs][ss]KGSDE[aq][eb][ec][gd][ge][gf][gg][ia][jh][kh][mf][pc][qc][rc][rr]KGSSB[80.00]KGSSW[74.50])
(;W[al]
;B[ak]
;W[bk]C[White should connect it! There is nothing black can do.]))
(;B[sg]
;W[rh]
;B[gi]
;W[gk]
;B[kn]C[This is the correct order for black.]))
(;W[rb]C[This is the only ko threat for white.]
;B[ro]
;W[rc]
;B[ra]
;W[qa]
;B[pa]
;W[sa]
;B[sb]
;W[sc]
;B[rd]
;W[sa]
;B[qd]C[A loose ko for black.]))
(;W[sp]
;B[rr]
;W[ms]C[Since white doesn't have many ko threats, w t4 is the correct move; after n1, white wins for sure.]))
(;W[rf]TR[od][ne][oe][of][og]C[Reducing black at s14 is bigger than saving the 5 stones.]
;B[nd]
;W[rd]
;B[qc]
;W[rc]
;B[rb]
;W[sb]
;B[ra]C[O16 is worth only 10 points, s14 is much bigger.]))
(;W[nr]C[After b q14, s13 is not  sente anymore, so o2 is bigger.]))
(;B[rg]C[S12 is still the biggest move, black shouldn't follow white's move.]))
(;W[rg]
;B[rf]
;W[sh]
;B[qf]
;W[sf]
;B[re]
;W[se]
;B[sd]
;W[sg]
;B[rd]C[The biggest yose move, sente.])
(;W[nr]C[O2 smaller, 12 points in gote.]))
(;B[pr]C[Better.]))
(;B[rg]C[B s13 is around 11 points, the biggest yose point.]
;W[ii]
;B[lh]C[There is nothing white can do.]))
(;B[lq]C[B o14 is too small, b is still leading if b get m3.]))
(;B[lq]C[B m1 is the biggest point on the board.]))
(;B[fb]C[Black should block white.]
;W[hc]
;B[fc]
;W[he]
;B[jf]CR[jf]
;W[lb]CR[lb]
;B[ga]CR[ga]
(;W[ha]CR[ha]C[H19 is not working.]
;B[la]CR[la]
(;W[fa]CR[fa]
;B[eb]CR[eb]C[If white takes at f19, black just needs to play e18. White can't connect.])
(;W[eb]CR[eb]
;B[fa]CR[fa]
;W[me]CR[me]
;B[nf]CR[nf]
;W[mf]CR[mf]
;B[mg]CR[mg]C[White doesn't have enough liberties.]))
(;W[me]CR[me]
;B[nf]CR[nf]
;W[mf]CR[mf]
;B[mg]CR[mg]
(;W[lf]CR[lf]
;B[kf]CR[kf]
;W[lg]CR[lg]
;B[lh]CR[lh]
;W[kg]CR[kg]
;B[ii]CR[ii]
(;W[ha]CR[ha]
;B[la]CR[la]
;W[fa]CR[fa]
;B[eb]CR[eb]
;W[db]CR[db]
;B[da]CR[da]
;W[cb]CR[cb]
;B[jb]CR[jb]
;W[ja]CR[ja]
;B[ib]CR[ib]
;W[gi]CR[gi]
;B[ma]CR[ma]
;W[ka]CR[ka]
;B[ea]CR[ea]
;W[ca]CR[ca]
;B[ga]CR[ga]
;W[ia]CR[ia]
;B[ne]CR[ne]
;W[ec]CR[ec]
;B[nd]CR[nd]
;W[ed]CR[ed]
;B[nc]CR[nc]
;W[eg]CR[eg]
;B[le]CR[le]
;W[ee]CR[ee]
;B[hf]CR[hf]
;W[hd]CR[hd]
;B[jg]CR[jg]
;W[ef]CR[ef]
;B[ib]CR[ib]
;W[fa]CR[fa]C[A ko good for black.])
(;W[jb]CR[jb]C[White will die if white connects at k18.]
;B[ia]CR[ia]
;W[ha]CR[ha]
;B[fa]CR[fa]
;W[eb]CR[eb]
;B[la]CR[la]
;W[ec]CR[ec]
;B[ne]CR[ne]
;W[ed]CR[ed]
;B[hf]CR[hf]
;W[hd]CR[hd]
;B[nd]CR[nd]
;W[ee]CR[ee]
;B[nc]CR[nc]
;W[ea]CR[ea]
;B[ka]CR[ka]
;W[gi]CR[gi]
;B[jg]CR[jg]
;W[eg]CR[eg]
;B[le]CR[le]C[Black has one more liberty.]))
(;W[kf]CR[kf]C[White can't get more liberties...]
;B[kg]CR[kg]
;W[le]CR[le]
;B[je]CR[je]
;W[jb]CR[jb]
;B[ia]CR[ia]
;W[ha]CR[ha]
;B[fa]CR[fa]
;W[la]CR[la]
;B[ja]CR[ja]
;W[eb]CR[eb]
;B[ne]CR[ne]
;W[ec]CR[ec]
;B[ke]CR[ke]
;W[ea]CR[ea]
;B[lf]CR[lf]
;W[ed]CR[ed]
;B[hf]CR[hf]
;W[hd]CR[hd]
;B[nd]CR[nd]
;W[ee]CR[ee]
;B[nc]CR[nc]
;W[gi]CR[gi]
;B[ma]CR[ma]C[W is dead.
]))))
(;W[fb]C[White has to connect at f18.]))
(;B[jb]C[B k18 is much simpler; since black is winning by a lot, it doesn't matter to let white save a few stones.]
;W[ib]
;B[lb]
;W[ja]
;B[mb]
;W[gc]
;B[gd]
;W[ec]
;B[lq]C[Whites lives in gote, black gets the biggest yose point at m3, this way black is winning.]))
(;W[pg]
;B[og]
;W[pf]
;B[nh]
;W[rk]C[Still better for white.]))
(;W[pg]
;B[og]C[W has to help the two stones at r12.]
;W[pf]
;B[nh]
;W[rk]
;B[of]C[White is still sealed in but gets more territory.]))
(;W[ph]
;B[oi]
;W[oh]
;B[ni]
;W[qj]C[White should counterattack! R12 and p12 are sente, then black's huge moyo is reduced.]))
(;B[oh]C[Yes! You are right. Now black's moyo is much bigger than white's; this result is worth giving white a few points.]
;W[qf]
;B[pg]
;W[qg]
;B[oe]C[White is sealed in, black is winning again!]))
(;W[qn]C[White should play r6 directly.]
;B[pm]
;W[om]C[Black can't play q7 because p7 is sente at any moment.]))
(;B[nk]C[O9 is the tesuji, increasing white's cutting points.]
;W[nj]
;B[nl]
;W[mj]
;B[ol]C[White is much weaker.]))
(;B[mm]C[B n7 is the tesuji, getting out faster and hurting w n6.]
;W[nn]
;B[nm]LB[nk:B][on:A]C[A and B are miai.]))
(;W[lk]C[M9 creates the correct shape.]
(;B[li]
;W[lj]
;B[mm]
;W[nn]
;B[nm]
;W[nj]C[A complex fight.])
(;B[kk]
;W[kj]
;B[lj]
;W[li]
;B[mj]
;W[jh]C[Black can't cut white.])))
(;W[kj]C[White should strengthen the center.]
;B[lm]
;W[po]C[White gets the sente and can approach the corner.]))
(;W[ki]TR[hh][hi][hj]C[L11 is better, it most of the time good to jump at the center of three stones.]))
(;W[ig]C[J13 is the key point, it is important to control the center.]
;B[hf]
;W[hg]
;B[ff]
;W[gg]
;B[ef]
;W[je]C[Black is in deep trouble.]))
(;B[cd]
;W[cc]
;B[bc]
;W[bb]
;B[ad]C[Still good for black.]))
(;W[cd]C[White has the chance to get c16.]
;B[bk]
;W[bj]
;B[aj]
;W[bl]
;B[al]
;W[ai]C[Black is killed.]))
(;B[cd]C[C16 is still urgent.]
;W[cc]
;B[bc]
;W[bb]
;B[ad]
;W[bl]
;B[bm]
;W[am]
;B[bn]
;W[bj]C[Even though black can't kill white, both are alive.]))
(;B[cd]C[C16 is the only move.
]
;W[cc]
;B[bc]
;W[bb]
;B[ad]C[White can't make life after b lived.]
;W[bl]
;B[bm]
;W[al]
;B[bn]
;W[bj]
;B[ci]
;W[bi]
;B[ak]C[B c11 then a9 is the right order, w dies.]))
(;B[de]C[D15 is important.]
;W[ef]
;B[be]
;W[ee]
;B[cd]C[White collapses.]))
(;W[cd]C[C16 is the only move, fills one of black's liberties.]
;B[bd]
;W[de]
;B[be]
;W[bc]C[Black dies.]))
(;B[df]
;W[ef]C[If black hanes at d14, white e13 is a tesuji.]
;B[eg]
;W[dh]
;B[ee]
;W[ff]
;B[de]
;W[fe]
;B[ed]
;W[hg]C[B g12 group is sealed in.]))
(;B[df]C[Now d14 is a tesuji with a beaufiful shape.]
;W[bg]C[White has to make life.]
;B[bf]
;W[bl]
;B[bm]
;W[am]
;B[bn]
;W[ce]
;B[cf]
;W[bj]
;B[fd]C[Since white is separated, black can threaten the corner, and doing so strenghen its f12 group easily.]))
(;W[cg]C[The two-space extension at c13 is the correct move, white is connected.
]
;B[fh]
;W[hi]))
(;B[di]C[D11 creates a better shape and allows black to run faster.]
;W[fj]
;B[ei]
;W[bh]
;B[cg]
;W[ch]
;B[eg]C[B c13 and e13 are very light, b gets the good shape easily and the white group at c10  is sealed in.]))
(;W[gl]
;B[hl]
;W[fj]C[W g8 is better; after f10 white has the good tempo. 

Since black made white very strong, the position has turned into a good one for white, white is ahead.]))
(;B[gm]LB[ek:A][go:B]C[G7 is the tesuji. For the next move, A and B are miai for black.]
;W[ek]C[White has to save the 3 stones.]
;B[go]
;W[fo]
;B[fp]
;W[ep]
;B[gn]
;W[eo]C[Black caused white's stones to be clumped together.]
;B[gp]
;W[gr]
;B[jq]C[And k3 is very severe, white's big group is being attacked.]))
(;B[ck]C[C9 is enough for black, white has to protect at f8.]
;W[fl]TR[cj]C[The marked stone is damaged badly.]))
(;W[fn]C[White shoud play f6, it is a good move.]
;B[fo]
;W[gn]
;B[fr]
;W[fp]C[Because of the tesuji at f4, there is nothing black can do.]))
(;B[dk]C[Black should punish white immediately at d9.]
;W[ck]
;B[ek]
;W[em]
;B[di]C[Since white's stones at c10 are low, b can fight.]))
(;W[dk]C[W d9 is the only move.]
(;B[lp]C[Black has to play m4 to limit white's extension from its wall.]
;W[ck]
;B[fc]
;W[df]C[After d14, even though white's tempo is slow, white can still play.])
(;B[cj]C[If b c10...]
;W[mp]TR[dl][dm]C[White takes the huge point at n4, extending from its wall, therefore turning w d7 and d8 into good moves.

This is very good for white.])))
(;W[qo]LB[pl:B][op:C][mq:A]C[White should first approach the lower right corner, taking a big point.

Black has three possible answers here: A, B, C
]
(;B[op]C[B p4 is another solid move.]
;W[kq]C[W l3 is huge, for it extends white's position while limiting black's extension.]
;B[qp]C[B r4 is an urgent move, it allows black to get a big corner while taking away w r5's base. 

If white plays the first move (s3) in the lower right corner, he will settle his group, taking away black's base and forcing it to run.]
(;W[qk]LB[qh:B][po:A]C[R9 is a flexible move. White can now make a base at either A or B.]
;B[qm]
;W[qh]
;B[qf]
;W[jc]
;B[cf]C[So far, it is an even opening.])
(;W[ql]C[R8 is a bad move.]
;B[qj]
;W[po]
;B[rp]C[White doesn't have enough room to live locally, it has become heavy. 

This is very good for black: he got a big corner and keeps white under pressure with r10.]))
(;B[mq]C[B n3 is the way to get more territory but it puts less pressure on w r5.]
;W[qf]C[White will ignore b n3 in the lower right corner and take a big point elsewhere.]
;B[nc]
;W[rd]
;B[qc]
;W[qi]
;B[fc]
;W[cf]
;B[db]
;W[cc]
;B[ic]
;W[np]
;B[nq]
;W[qq]
;B[qr]
;W[pp]
;B[oq]
;W[kq]C[Playing the sequence from o4 to q4 in order to strengthen r5 and then extending at l3 is the correct order for white.

White has a fast paced opening.])
(;B[pl]C[Q8 is possible too, a more aggressive approach.]
;W[mp]C[W n4 is the correct answer, it extends from the left side and helps r5.]
;B[op]
;W[om]
;B[mo]C[After n5 the situation will turn into a complex fight.])))
(;B[qo]C[Enclosing the corner at r5 is another option for black.]
;W[kq]C[White will normally extend.]
;B[cq]
;W[dq]
;B[cp]
;W[do]
;B[dr]
;W[er]
;B[cr]
;W[eq]
;B[cn]
;W[qf]C[An even opening.]))
(;W[cn]C[C6 is another option for white.]
;B[jp]TR[jp][fq][pq]C[This is the basic formation for the Kobayashi opening.]
;W[qn]
;B[po]
;W[rp]
;B[ql]C[This is one possible development for that very complex opening.]))