(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]HA[2]KM[0.50]TM[1500]OT[5x30 byo-yomi]
PW[Weatherwax]PB[kuzya]WR[11k]BR[13k]DT[2015-09-16]PC[The KGS Go Server at http://www.gokgs.com/]AB[pd][dp]C[kuzya [13k\]: hello, gg!
]RE[B+5.50]
;W[pp]WL[1497.908]C[Weatherwax [11k\]: hi gg
]
;B[dc]BL[1492.817]
;W[de]WL[1489.373]
;B[fd]BL[1481.991]
;W[cc]WL[1455.615]
;B[cd]BL[1463.269]
(;W[db]WL[1395.741]
;B[dd]BL[1456.347]TR[cc][de]C[Here, white's shape is broken, and black is strong and connected.  If white just lives with the corner stones, black would be thrilled.]
;W[ce]WL[1390.711]C[This is moving a junk stone.]
;B[ch]BL[1430.473]
;W[bd]WL[1363.762]
;B[bc]BL[1422.784]
;W[be]WL[1357.562]
;B[cb]BL[1419.212]
;W[eg]WL[1335.089]C[Notice how white has a heavy eyeless group, while black has a solid corner, prospects on the top, and can easily move out with C12.

This stems from the shape issue at move 6.]
;B[ee]BL[1413.13]
;W[ef]WL[1310.147]
;B[dk]BL[1402.782]
(;W[cn]WL[1278.28]C[This is understandable, trying to make black's attacking group separated and weaker, but if there's a running fight, white will have 2 weak groups to black's one.

In terms of approaching the corner, this is the wrong side, since white is stepping into a position where he is already pincered.]
;B[cm]BL[1382.016]C[Bad move.]
;W[cq]WL[1257.535]
;B[dq]BL[1376.456]
;W[cp]WL[1255.61]
;B[dn]BL[1371.68]
(;W[co]WL[1239.95]
;B[do]BL[1366.993]
;W[dr]WL[1232.139]
;B[er]BL[1364.893]
;W[cr]WL[1230.239]
;B[ip]BL[1333.606]
;W[qf]WL[1173.119]
;B[mc]BL[1327.164]
;W[pj]WL[1164.489]
;B[qm]BL[1303.786]
;W[qo]WL[1141.988]
;B[om]BL[1289.449]
(;W[np]WL[1134.877]
;B[lq]BL[1283.591]
;W[kc]WL[1041.363]C[Woah, wait a second!  The bottom right is pretty urgent.  If black takes the 3-3 point now, white is left with a floating group under attack.]
;B[ic]BL[1273.244]
;W[ke]WL[1036.945]
;B[qe]BL[1267.191]
;W[pf]WL[1033.833]C[Good exchange for white.  There is still corner aji.]
;B[me]BL[1237.346]
;W[kg]WL[1023.815]
;B[nq]BL[1233.218]
;W[oq]WL[1019.101]
;B[mq]BL[1229.492]C[Good exchange for white, though there is still corner aji.]
;W[bm]WL[945.607]C[Aji keshi.  White's stones are already alive, and white needs to handle black's moyo and his weak group on the left all at once.]
;B[cl]BL[1221.231]
;W[nk]WL[918.435]
;B[im]BL[1215.551]
;W[mm]WL[843.988]
;B[qk]BL[1191.38]
;W[qj]WL[841.275]
;B[pk]BL[1186.041]
;W[ok]WL[834.527]
;B[rj]BL[1179.392]
;W[ri]WL[746.901]
;B[nn]BL[1165.617]
;W[mn]WL[742.45]
;B[oo]BL[1143.056]
;W[op]WL[736.979]
;B[no]BL[1139.235]
;W[mo]WL[729.867]
;B[pn]BL[1131.196]
;W[rk]WL[694.278]
;B[rl]BL[1126.483]
;W[sj]WL[690.062]
;B[qn]BL[1115.756]
;W[pl]WL[681.049]
;B[ro]BL[1088.326]
;W[rp]WL[659.731]
;B[po]BL[1084.472]
;W[qp]WL[657.213]
;B[ql]BL[1076.881]
;W[ol]WL[637.688]
;B[rn]BL[1063.641]C[Killing would have been nice, but this is still a fine result.]
;W[mg]WL[563.646]
;B[eh]BL[1038.273]
;W[fe]WL[548.652]
;B[ge]BL[1022.663]
;W[ed]WL[543.994]
;B[ec]BL[1020.511]
;W[fc]WL[519.111]
;B[ee]BL[1011.023]LB[nm:1][sm:2][so:3]C[White can fight the ko, on account of having lots of threats in the bottom right.]
;W[ff]WL[509.122]C[White is worse off here, having removed aji and not become any more secure.]
;B[ed]BL[1008.514]
;W[gf]WL[492.386]
;B[gd]BL[1006.233]
;W[fh]WL[460.064]
;B[ei]BL[999.823]
;W[fi]WL[451.254]
;B[fj]BL[956.351]
;W[ik]WL[383.27]
;B[gj]BL[953.125]
;W[hi]WL[375.648]
;B[hj]BL[950.095]
;W[ij]WL[369.529]
;B[gi]BL[933.544]
;W[gh]WL[367.179]
;B[hh]BL[931.16]
;W[ii]WL[361.975]
;B[hf]BL[895.177]
;W[hg]WL[345.772]
;B[hk]BL[878.984]
;W[jm]WL[312.939]
;B[il]BL[827.693]
;W[jl]WL[310.734]
;B[jn]BL[825.14]
;W[kn]WL[306.142]
;B[jo]BL[821.487]
(;W[od]WL[222.394]
;B[pe]BL[803.443]
;W[oe]WL[200.77]
;B[oc]BL[800.371]
;W[pc]WL[183.061]
;B[qc]BL[766.695]
(;W[nc]WL[174.588]
;B[pb]BL[675.836]
;W[ob]WL[105.452]
;B[pc]BL[625.199]
;W[nd]WL[54.654]
;B[rf]BL[610.679]
;W[rg]WL[6.074]
;B[qg]BL[588.176]
;W[re]WL[30]OW[5]
;B[of]BL[584.073]
;W[pg]WL[30]OW[5]
;B[nf]BL[573.249]
;W[nb]WL[30]OW[5]
;B[mb]BL[568.179]
;W[md]WL[30]OW[5]
;B[ld]BL[505.751]
;W[le]WL[30]OW[5]
;B[lc]BL[465.092]
;W[mf]WL[30]OW[5]
;B[kd]BL[434.316]
;W[je]WL[30]OW[5]
;B[id]BL[395.109]
;W[jd]WL[30]OW[5]
;B[jc]BL[391.194]
;W[ne]WL[30]OW[5]
;B[na]BL[377.128]
;W[oa]WL[30]OW[5]
;B[rd]BL[368.572]
;W[kb]WL[30]OW[5]
;B[se]BL[317.69]
;W[qh]WL[30]OW[5]
;B[jb]BL[306.213]
;W[lb]WL[30]OW[5]
;B[ig]BL[291.304]
;W[ih]WL[30]OW[5]
;B[if]BL[289.949]
;W[jg]WL[30]OW[5]
;B[or]BL[286.968]
;W[pr]WL[30]OW[5]
;B[nr]BL[284.93]
(;W[ps]WL[30]OW[5]
;B[sp]BL[267.704]
;W[sq]WL[30]OW[5]
;B[so]BL[265.543]
;W[rq]WL[30]OW[5]
;B[bl]BL[255.844]
(;W[am]WL[30]OW[5]C[Bad habit.

]
;B[al]BL[252.253]
;W[bn]WL[30]OW[5]C[Here, white can make no gains on the edge, and it's gote for white.]
;B[bg]BL[249.135]C[big]
;W[dg]WL[30]OW[5]
;B[dh]BL[244.767]
;W[cg]WL[30]OW[5]
;B[bh]BL[241.877]
;W[ie]WL[30]OW[5]
;B[he]BL[239.559]
;W[nm]WL[30]OW[5]
;B[pm]BL[232.885]
;W[fr]WL[30]OW[4]
(;B[fq]BL[198.14]
;W[es]WL[30]OW[4]
;B[gr]BL[195.239]
;W[eq]WL[30]OW[4]
;B[ep]BL[193.044]
;W[er]WL[30]OW[4]
;B[gp]BL[189.058]
;W[gs]WL[30]OW[4]
(;B[hs]BL[180.197]
(;W[fs]WL[30]OW[4]C[No!  This is a vital point to look at.]
;B[hr]BL[177.205]
(;W[ko]WL[30]OW[4]
;B[kp]BL[163.113]
;W[mp]WL[30]OW[3]
;B[lp]BL[156.61]
;W[lo]WL[30]OW[3]
;B[pa]BL[131.726]
(;W[me]WL[30]OW[3]C[Loses a point.]
;B[af]BL[119.708]
;W[bf]WL[30]OW[3]
;B[ag]BL[115.905]
;W[ac]WL[30]OW[3]
;B[ab]BL[112.772]
;W[ad]WL[30]OW[3]
;B[sg]BL[101.272]
;W[sh]WL[30]OW[3]
;B[sf]BL[93.625]
;W[sl]WL[30]OW[3]
;B[sm]BL[88.201]
;W[sk]WL[30]OW[3]
;B[ka]BL[84.854]
;W[ma]WL[30]OW[3]
;B[ja]BL[78.33]
;W[jf]WL[30]OW[3]
;B[la]BL[59.43]
;W[os]WL[30]OW[2]
;B[ns]BL[56.074]
;W[ae]WL[30]OW[2]
;B[]BL[56.073]
;W[]WL[30]OW[2]TW[na][mb][lc][mc][kd][ld][cf][df][kf][lf][nf][of][fg][gg][lg][ng][og][qg][hh][jh][kh][lh][mh][nh][oh][ph][rh][ji][ki][li][mi][ni][oi][pi][qi][si][jj][kj][lj][mj][nj][oj][rj][jk][kk][lk][mk][kl][ll][ml][nl][km][lm][an][ln][ao][bo][ap][bp][aq][bq][pq][qq][ar][br][qr][rr][sr][as][bs][cs][ds][qs][rs][ss]TB[aa][ba][ca][da][ea][fa][ga][ha][ia][qa][ra][sa][bb][db][eb][fb][gb][hb][ib][qb][rb][sb][cc][fc][gc][hc][rc][sc][hd][qd][sd][re][ah][ai][bi][ci][di][aj][bj][cj][dj][ej][ak][bk][ck][ek][fk][gk][dl][el][fl][gl][hl][dm][em][fm][gm][hm][rm][en][fn][gn][hn][in][on][sn][eo][fo][go][ho][io][fp][hp][jp][gq][hq][iq][jq][kq][ir][jr][kr][lr][mr][is][js][ks][ls][ms]C[kuzya [13k\]: thanks!!
Weatherwax [11k\]: thanks
])
(;W[ma]C[White will need to make this move eventually anyways.]))
(;W[kp]C[Black can't cut off this stone.]
(;B[lo]
;W[ko])
(;B[ko]
;W[lp]
;B[mp]
;W[lo])
(;B[lp]
;W[ko])))
(;W[hr]C[If white loses this ko, he loses half a point.  If black loses the ko, a large chunk of his territory on the bottom disappears.

It's heavy enough for black that it's a picnic ko... white has nothing to lose.  Even if white loses the ko, white should be able to make more points by making good on his ko threat than by just connecting.

What's more, it's light enough that white can just play normal sente endgame moves as ko threats.  L4, say.]))
(;B[hr]C[What black should have done.]))
(;B[es]C[Black is strong enough that this should work.]
;W[eq]
;B[fq]
;W[ep]
;B[fp]
;W[eo]
;B[en]))
(;W[bn]C[A7 is gote, so black shouldn't play it right away.  However white can take A8 in sente anytime.]))
(;W[rr]C[This makes both hanes gote for black.]))
(;W[pb]C[White has aji with P14, but this seems playable]
(;B[ob]
;W[re]
;B[qd]
;W[qb])
(;B[qb]
;W[nc]
;B[ob]
;W[nb]
;B[pa]
;W[mb])))
(;W[qc]C[This move is hard for black to handle, since white can connect under, live inside, or threaten to connect on the left.]))
(;W[nq]C[Minor nitpick: This may be more secure, since black is strong on the bottom and could threaten to come in to the corner or undercut white later.]))
(;W[do]
;B[eo]
;W[co]C[Puts cutting points into black's position.]))
(;W[cg]C[Locally, I think this helps make shape and may turn out to be sente.

Honestly, though, this is a very painful position.  It feels like white went from playing a 2 stone game to a 3 or 4 stone one.]))
(;W[dd]C[Basic instinct - White must cut in a situation like this.]))