(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[-5.50]TM[600]
PW[sit555]PB[shinigami]WR[4k]BR[15k]DT[2010-11-17]CP[Copyright (c) PANDANET Inc. 2010]PC[IGS-PandaNet]C[It's much harder to focus on opening principles than it is on tactics, but if I notice anything too egregious in that regard I'll point it out.]RE[W+43.50]
;B[pc]
;W[cp]
;B[qp]
;W[op]
;B[pn]
;W[qq]
;B[rq]
;W[pq]
;B[qj]
;W[ql]
;B[pl]
;W[pk]
;B[qk]
;W[pm]
;B[ol]
;W[qm]
;B[om]
;W[qn]
;B[qo]
;W[po]TR[pn]C[This stone separates your opponent's too groups. White's underneath group might not even live if it doesn't connect up. So saving this stone is the most critical thing you could possibly do.]
(;B[rn]
;W[on]
(;B[rm]
;W[rl]
;B[qr]
;W[pr]
;B[rr]
;W[sm]
;B[ro]
;W[oj]
;B[pj]
;W[ok]
;B[ph]
;W[nm]
;B[ep]
;W[nl]
;B[cn]C[This move leaves a severe weak point right in the middle of your stones. If white splits you, you will be forced to deal with two groups while white has only one.]
;W[do]
;B[hp]
;W[jp]
;B[jq]
;W[kq]
;B[iq]
;W[eo]
;B[fo]
;W[eq]
;B[kp]C[Good! Cut white into two.]
;W[lq]
;B[jo]
;W[fp]
;B[gp]
;W[fq]
;B[gq]TR[jp]C[This move is rather slow. Your group is already safe thanks to the captured stone and the fact that your group has access to the center. Meanwhile, no one is claiming the fourth and final corner. Corners are huge.]
;W[go]TR[fo]C[Since this stone is NOT cutting white's two groups, saving it will be a big mistake.]
;B[ho]C[Good!]
;W[fn]
;B[lo]C[Again, too small. Look at that empty corner!]
;W[mo]
;B[lp]
;W[mp]
;B[kr]C[Ditto.]
;W[ln]
;B[ko]
;W[lr]
;B[jr]C[Ditto.]
;W[hn]
;B[in]
;W[cl]
(;B[ch]C[Playing somewhere in the corner would be better. Shown are too non-exclusive possibilities.]
(;W[cf]
;B[cj]
;W[dl]C[Rather slow by white.]
;B[bk]
;W[bl]
;B[ce]TR[ch][cj][bk]C[Unless you can connect these two groups, one of them will get damaged while you try to help the other.]
;W[df]
;B[bf]
;W[bg]
;B[be]
;W[cg]TR[ch]C[Damaged stone, and a group with no eyes which must lookout into a vast white center. Not looking promising.]
;B[bh]
;W[ag]
;B[eh]
;W[de]
;B[ek]
;W[cd]TR[be][ce][bf][df][bg][cg]C[Do these look like good exchanges now?]
(;B[pf]C[See variations, end of comments.]
;W[nc]
;B[jc]
;W[hc]
;B[ld]
;W[ne]
;B[mf]
;W[nf]
;B[ng]
;W[mg]
;B[og]
;W[me]
;B[lf]
;W[le]
;B[mc]
;W[ke]
;B[lg]
;W[mh]
;B[lh]
;W[mi]
;B[nb]
;W[pe]
;B[qe]
;W[qf]
;B[qd]
;W[oc]
;B[ob]
;W[oe]
;B[ih]
;W[gh]
;B[gj]
;W[hi]
;B[ii]
;W[hj]
;B[hk]
;W[ij]
;B[hf]
;W[ie]
;B[fg]
;W[if]
;B[hg]
;W[he]
;B[hh]
;W[gi]
;B[fi]
;W[gg]
;B[jj]
;W[ik]
;B[jk]
;W[il]
;B[jl]
;W[jm]
;B[gf]
;W[ff]
;B[fe]
;W[ef]
;B[im]
;W[hl]
;B[hm]
;W[km]
;B[gl]
;W[gk]
;B[fl]
;W[fj]
;B[fk]
;W[ej]
;B[ei]
;W[dj]
;B[dk]
;W[eg]
;B[di]
;W[fh]
;B[dd]
;W[ed]
;B[ge]
;W[gj]
;B[gm]
;W[ck]
;B[bj]
;W[em]
;B[gc]
;W[fc]
;B[gb]
;W[ki]
;B[kh]
;W[hb]
;B[fb]
;W[ji]
;B[jh]
;W[li]
;B[ec]
;W[fd]
;B[gd]
;W[dc]
;B[hd]
;W[kc]
;B[kd]
;W[ic]
;B[id]
;W[jb]
;B[jd]
;W[lb]
;B[mb]
;W[ia]
;B[lc]
;W[kb]
;B[qg]
;W[eb]
;B[sn]
;W[sl]
;B[sp]
;W[ai]
;B[lm]
;W[ll]
;B[nr]
;W[mq]
;B[ns]
;W[ks]
;B[js]
;W[ls]
;B[ps]
;W[gn]
;B[fr]
;W[er]
;B[gr]
;W[sj]
;B[rh]
;W[oi]
;B[pi]
;W[nq]
;B[ea]
;W[da]
;B[fa]
;W[ha]
;B[cb]
;W[db]
;B[bc]
;W[bd]
;B[ab]
;W[ba]
;B[or]
;W[oq]
;B[es]
;W[ds]
;B[fs]
;W[cr]
;B[la]
;W[ka]
;B[ma]
;W[jn]
;B[io]
;W[mm]
;B[nh]
;W[ni]
;B[of]
;W[oh]
;B[pg]
;W[sh]
;B[sg]
;W[si]
;B[rf]
;W[el]
;B[os]
;W[rk]
;B[ri]
;W[rj]
;B[]
;W[ah]
;B[]
;W[mr]
;B[qs]
;W[ee]
;B[]
;W[]C[You can check your score with the score command, type 'done' when finished.
Click on a group of stones to mark it dead and remove it from the board.]
;B[]TW[aa][ca][ja][ab][bb][cb][ib][ac][bc][cc][ec][ad][dd][ae][be][ce][af][bf][dg][fg][bh][ch][dh][eh][bi][ci][di][ei][fi][aj][bj][cj][jj][kj][lj][mj][nj][ak][bk][hk][jk][kk][lk][mk][nk][sk][al][jl][kl][ml][ol][pl][am][bm][cm][dm][lm][om][an][bn][cn][dn][en][mn][nn][pn][ao][bo][co][fo][no][oo][ap][bp][dp][ep][np][aq][bq][cq][dq][ar][br][dr][as][bs][cs]TB[na][oa][pa][qa][ra][sa][pb][qb][rb][sb][nc][oc][qc][rc][sc][md][nd][od][pd][rd][sd][he][ie][je][ke][le][me][ne][oe][pe][re][se][if][jf][kf][nf][qf][sf][ig][jg][kg][rg][qh][qi][so][ip][jp][rp][hq][sq][hr][ir][sr][gs][hs][is][rs][ss]C[Game 416 sit555 is removing @ K9
Game 416 shinigami is removing @ P15
Game 416 shinigami is removing @ O17
Game 416 sit555 is removing @ E4
Game 416 shinigami is removing @ J15
Game 416 sit555 is removing @ C6
Game 416 shinigami is removing @ B15
Game 416 sit555 is removing @ B10
Game 416 shinigami is removing @ B17
Game 416 shinigami is removing @ C18
Game 416 sit555 is removing @ E11
Game 416 shinigami is removing @ A18
Game 416 sit555 is removing @ C12
You have typed done.
Game 416 shinigami is removing @ K4
Board is restored to what it was when you started scoring
Game 416 sit555 is removing @ A18
Game 416 sit555 is removing @ B17
Game 416 sit555 is removing @ C18
Game 416 sit555 is removing @ B14
Game 416 sit555 is removing @ C10
Game 416 sit555 is removing @ E11
Game 416 sit555 is removing @ B12
Game 416 sit555 is removing @ C6
Game 416 sit555 is removing @ E4
Game 416 shinigami is removing @ J15
Game 416 sit555 is removing @ K10
Game 416 shinigami is removing @ M15
Game 416 shinigami is removing @ O17
You have typed done.
sit555: 112.5 to shinigami: 72.0])
(;B[pe]C[This offers more control on the corner.])
(;B[qe]C[So does this, but it feels too low in this circumstance.]))
(;W[ce]C[I might have gone here for white. It's somewhat close to the corner, and it pincers your last move.]))
(;B[dd])
(;B[cd]))
(;B[rl]C[A disaster has occured, but this will at least let you connect up your two groups.]
;W[rm]
;B[sm]
;W[pn]
;B[ro]))
(;B[on]))