(;CA[UTF-8]GM[1]FF[4]SZ[19]AP[SmartGo:2.8.3.0]CA[gb2312]PW[Thomas Derz]WR[3d]PB[Eric van der Werf]BR[1k]EV[NGC 2010]RO[last]DT[2010-04-24]PC[Utrecht]KM[6.5]RE[B+18]US[T.Derz]RU[Japanese]WT[2188]BT[1982]TM[3600.0]OT[15 stones / 5 minutes]AN[T.Derz]GC[Black could have resigned way before byoyomi, but chose to play on for an hour (18:00 - 19:00).White lost by overlooking an atari on a group, which was Black's last hasty move in order to stay in Canadian byoyomi time. As a precaution, White put a black group in atari a long time before to prevent an 'imponderable' ko fight for local sekis,which might allow Black a comeback, when fighting with 3 cut white groups. When the moment of crucial, blunt atari came,White took a picture (!), replied (at the wrong place), took the clock, adjusted for own byoyomi and realized the mistake. Before Black had taken the clock for adjusting own byoyomi (both byoyomis began anew at this exchange, though White had still plenty of the Canadian byoyomi time left). It was thinkable (but not doable) to take the move back,as Black was busy with the clock when White made the move (and realized the mistake).Black realized, looking at my face and muttering that some stones could be taken - and took them! White was flabbergasted, but was not sure to have lost, as the previous score was hugely in White's favour. To aggravate the losses implication, this was the last round of the Dutch Go Club Competition (NGC) and our team (3 players) could have promoted to the first league, if we won this round. First two games were 1-1 and we were last, as my opponent played slow ...];B[dp];W[pp];B[dd];W[oc];B[qc];W[qe];B[re];W[rf];B[rd];W[pf];B[ob];W[nb];B[pb];W[mc];B[nq];W[qn];B[qg];W[qf];B[nd];W[md];B[od];W[pd];B[nf];W[nc];B[me];W[le];B[lf];W[ke];B[of]C[ein grottenschlechter Zug (TD)a 'thank you' move];W[pg];B[kf];W[jf];B[je];W[oe];B[ne];W[kc];B[ie];W[mg];B[mf];W[if];B[lh];W[he];B[hd];W[ge];B[ic];W[gd];B[gc];W[fc];B[fd];W[id];B[jd];W[jc];B[ib];W[kd];B[id];W[gb]C[Well, from here on the game is very positive for Whiteto say the least](;B[hb](;W[gf]C[I do not know whether this is the 'best' move,however it is a move which protects cutting point C,which is needed for the aim of attacking the triangle-marked black stonesANDthreatens a ladder L]LB[hf:C][ed:L]TR[kf][lf][mf][nf][of][me][ne][nd][od][lh]SQ[if][jf];B[fb];W[hc];B[hg]C[White overlooked that B has one ko threat ];W[hf];B[gc];W[kh];B[ec];W[lg];B[kg];W[jg];B[ng];W[mh];B[nh];W[mi];B[ni];W[nj];B[mj];W[li];B[oj];W[nk];B[pi](;W[pc](;B[rb]C[Black defended unnecessary as the white group cannot be killed right nowand the black corner is smaller then the chased group- GOTE]N[Black's unnecessary defense];W[ok];B[pk];W[pl]C[whatever the outcome (except the game loss then,White feels great, excellent result)difficult to see how Black could live.];B[ql];W[qk];B[qj]N[crazy ko]C[crazy ko - the game should be definitively lost here];W[pj];B[jh];W[ji];B[pk];W[rk];B[pj];W[rl];B[rg](;W[ph]C[Probably the descent to the edge is bigger (capturing all),but I wanted to play safe and avoid any semeai between theblack and the white group (theoretically killable by bL19) , esp. when black's move-out J12 can cut white into 4 groups.];B[qh];W[sf]C[W still gets this pointtechnically, Black could reduce White's eyeshape to one by K,but White wins the semeai much earlier due to throw-in P and succession Q etc..Practically, Black is dead.]LB[ka:k][oi:p][rj:q];B[rj]C[Black plays here !?];W[ri];B[sj]C[Black plays here !??Around here or earlierBlack had entered byoyomi.Unusual for White, TD stayed out of byoyomi for a long time.];W[oi];B[oh];W[og];B[oi](;W[oq]C[big, but not the safest move];B[lk];W[qm];B[ih];W[df];B[gg];W[ee];B[eg];W[fe];B[ij];W[lj];B[mk];W[kk];B[mm];W[nm];B[kl];W[jk];B[jj];W[kj];B[ii];W[jl];B[km];W[jm](;B[nn];W[nl];B[kn];W[jn];B[dg];W[cf];B[lb];W[sk];B[qi];W[sg];B[jo];W[io];B[ip];W[hn]C[W plays this 'timid' move instead of capturing the red-marked stonesbecause White wants to prevent a black center and attack the triangled stones.White has to capture the black X-marked stones anyway soon- with about 2 moves - when black will harass the diamond-marked white stones.]CR[lk][mk][mj]TR[dg][eg][gg][hg][ih][ii][ij][jj][jh]MA[kg][kf][lf][mf][nf][of][ne][me][nd][od][ng][nh][ni][oh][oi][oj][pi][pj][pk][qj][qi][qh][qg][rg][rj][sj]RG[jg][jf][if][hf][gf][ge][gd][ee][fe][he][cf][df];B[ho];W[in];B[go];W[fm];B[cg];W[bg];B[be]C[strange technique];W[bf];B[bh];W[rh];B[em]BM[1];W[fn];B[eo];W[el](;B[de];W[ef];B[dm](;W[fg];B[fh];W[fo];B[fp];W[jp];B[ko];W[hp];B[iq];W[gp];B[gq];W[gn];B[hq];W[fk];B[dl];W[dk];B[ck];W[ch];B[ci];W[dh];B[eh];W[di];B[dj];W[ei];B[fi];W[ej];B[ek];W[fj];B[fl];W[gl];B[gk];W[gj];B[hk];W[bi]TB[fb][gb][hb][ib][lb][ob][pb][rb][ec][fc][gc][hc][ic][qc][dd][fd][hd][id][jd][rd][be][de][ie][je][oe][re][cg][dg][eg][fg][gg][hg][eh][fh][ih][jh][fi][ii][ji][dj][ij][jj][mj][ck][dk][ek][gk][hk][lk][mk][dl][kl][dm][em][km][mm][kn][nn][eo][jo][ko][dp][fp][ip][gq][hq][iq][nq]TW[nb][jc][kc][mc][nc][oc][pc][gd][kd][md][nd][od][pd][ee][fe][ge][he][ke][le][me][ne][qe][bf][cf][df][ef][gf][hf][if][jf][kf][lf][mf][nf][of][pf][qf][rf][sf][bg][jg][kg][lg][mg][ng][og][pg][qg][rg][sg][bh][ch][dh][kh][lh][mh][nh][oh][ph][qh][rh][bi][ci][di][ei][li][mi][ni][oi][pi][qi][ri][ej][fj][gj][kj][lj][nj][oj][pj][qj][rj][sj][fk][jk][kk][nk][ok][pk][qk][rk][sk][fl][gl][jl][nl][pl][ql][rl][fm][jm][nm][qm][fn][gn][hn][in][jn][qn][fo][go][ho][io][gp][hp][jp][pp][oq]DS[gb][nd][od][me][ne][oe][kf][lf][mf][nf][of][fg][kg][ng][qg][rg][bh][nh][oh][qh][ci][ji][ni][oi][pi][qi][oj][pj][qj][rj][sj][pk][fl]V[-56.5]C[W+56 at this point];B[gi];W[el];B[hj];W[cj];B[hh];W[nr];B[mq];W[mr];B[lr];W[bd]C[the order of moves (top, lower left or right corner)is not accurate from here on,as both players were in byoyomi now.];B[ce];W[ae];B[bc];W[cq];B[cp];W[kr];B[lq];W[ls];B[kq];W[jr];B[jq];W[fq];B[ep];W[fr]C[very bad idea of White ... both left corner and right endgame (5 times to connect) are gone ....];B[dr];W[is];B[hs];W[hr];B[ir];W[gs];B[gr](;W[pr];B[hs];W[bb];B[cd];W[ac];B[ad](;W[oa];B[pa];W[bd];B[fl];W[dk];B[ad]C[perhaps the double-ko around 234 (D9-E8)was captured some time before in this fight. ];W[dq];B[af];W[eq];B[fs];W[cr];B[bp];W[bq];B[es];W[ds];B[ar];W[bk];B[dj];W[el];B[dk]C[as White can take the big group at any time with T11,the ko is worthlessand this black move B249 is a bad gote];W[bl];B[bm];W[am]C[... threatening to connect or live in the corner.];B[bn]C[White + 20 points in this position];W[ap];B[ao]C[It is difficult for White to reconstruct the loss.]MA[kg][kf][lf][mf][nf][of][me][ne][nd][od][ng][nh][ni][oi][pi][qi][qh][qg][rg][oh][oj][pj][qj][rj][sj][pk](;W[mn]C[while this is an endgame mistake (blocking P6 is better)it leads to a horrible exchange ....];B[ml];W[no];B[on];W[oo]C[not sure whether the crucial move came now ...];B[fl]C[Black made hastily his last move in byoyomi,I too a picture, replied (wrongly),adjusted his clock and realized my error.];W[hl];B[ci]C[da Da !!!];W[si]C[not necessary,but as said,perhaps the order of moves was different];B[mo];W[mp];B[ln];W[np];B[ks];W[se];B[sd](;W[ag];B[ah];W[ae];B[ab];W[qd];B[sb];FG[4353:]PM[1]AB[ms][kb][ja][mb][ka]AW[ns][jb][ma][na][ia]AE[ls])(;AB[dn][kb][ms][ja][na]AW[en][jb][qd][ns]AE[ls][oa];W[ma]))(;W[ml];B[ll];W[mn];B[lm];W[no];B[on];W[oo];B[mo]))(;W[hr]))(;W[bb];B[cd];W[ac];B[ad];W[oa]C[the order of this move was completely different (i.e. making sense)recording this about 30 hours after the game];B[pa];W[bd];B[hs]))(;W[fo];B[fp];W[jp];B[ko];W[hp];B[iq];W[gp];B[gq];W[gn];B[hq]))(;B[dm];W[fo];B[fp];W[jp];B[ko];W[hp];B[iq];W[gp];B[gq];W[gn];B[hq];W[fk];B[dl];W[dk];B[de];W[ef];B[ck];W[fg];B[fh];W[ch];B[ci];W[dh];B[eh];W[di];B[dj];W[ei]))(;B[kn];W[jn];B[jo];W[io];B[ip];W[hn];B[ho];W[in];B[go];W[fm]))(;W[qm];B[ih];W[df];B[gg];W[ee];B[eg];W[fe];B[lk]))(;W[sf]C[W is playing carelessly and gratitious,this was bigger ]N[bigger];B[ri];W[ph];B[qh];W[sh]LB[sg:p][si:q]C[a bit bigger this way - miai P,Q]))(;B[ok];W[rb]C[W does not threaten much (?)and, resp. it is not game relevant ];B[qb];W[ra];B[oa](;W[qa](;B[rc];W[se];B[sd];W[sb])(;B[se];W[rc];B[qd]))(;W[rc];B[qd];W[se];B[sd];W[qa])))(;W[ok];B[pk];W[pl];B[ql];W[qk];B[qj];W[pj];B[jh];W[ji];B[pk];W[rk];B[pj];W[rl];B[rg];W[ph];B[qh];W[sf]))(;W[hc];B[hf];W[hg];B[gc];W[fe];B[fb];W[hc];B[ig];W[jg];B[gc];W[ih];B[ec];W[lg];B[kg];W[kh];B[ki];W[jh]))(;B[hc]C[if ...](;W[ec];B[hf];W[ih];B[hg];W[jh];B[fe]MA[gd][ge][he];W[li];B[mh];W[mi];B[ni];W[nj];B[oi];W[pc];B[rb];W[kh];B[ng];W[oj];B[pi];W[pj];B[qi];W[qj](;B[rj];W[rk];B[ri];W[oh])(;B[ri];W[rj];B[rg];W[sg];B[sh];W[sf];B[ph]))(;W[fe](;B[ed];W[eb]MA[ib][je][ie][id][ic][jd][gc][hc][hd])(;B[fb];W[ed];B[eb];W[de];B[cd];W[ce]))))
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