Problem	12954
Created	2009-07-31
Name	Feel the power of the dark side
Source	darkside [1d] vs Pessi [2d] (on kgs)
Rating

Difficulty	8 dan
Average Solve Time	104 secs
User Attempts	434 / 996
Solve Ratio Rating	7 kyu
	rating history

Please note that white is aware that losing any stones would lead to black's victory. Thus, the "best" sequences for white are not covered, only those that lead to his total collapsing if he resists.

(;AB[qe]AW[dd]AB[co]AW[pp]AB[cf]AW[gc]AB[dj]AW[od]AB[pc]AW[oc]AB[pb]AW[lc]AB[pe]AW[qm]AB[kq]AW[dp]AB[cp]AW[do]AB[dq]AW[eq]AB[cq]AW[er]AB[ep]AW[eo]AB[fp]AW[gq]AB[gp]AW[hq]AB[hp]AW[jq]AB[jp]AW[ip]AB[io]AW[iq]AB[ko]AW[kr]AB[lq]AW[gn]AB[hn]AW[gm]AB[hl]AW[dm]AB[cn]AW[fk]AB[gj]AW[fj]AB[fi]AW[gk]AB[hj]AW[hk]AB[ik]AW[ij]AB[il]AB[hi]AB[hh]AW[ei]AB[fh]AW[eh]AB[gg]AW[ej]AB[eg]AW[cm]AB[dr]AW[fq]AB[lr]AW[jr]AB[cj]AW[ch]AB[bh]AW[dg]AB[df]AW[bi]AB[bg]AW[ci]AB[ee]AW[cc]AB[qk]AW[pq]AB[pm]AB[ql]AB[nf]AW[qn]AW[oi]AB[lf]AW[ok]AB[ol]AW[nl]AB[nm]AW[ml]AB[mm]AW[mj]AB[pk]AW[oj]AB[mg]AW[qi]AB[ph]AW[qj]AB[qh]AB[rg]AW[rj]AB[sh]AW[rl]AB[rk]AW[sk]AB[rm]AW[sl]AB[sm]AW[sj]AB[kc]AW[kb]AB[jc]AW[jb]AB[ld]AW[mc]AB[ic]AW[ib]AB[hc]AW[hb]AB[gd]AW[fc]AB[li]AB[ln]AW[mp]AB[ll]AW[lk]AB[kl]AW[ki]AB[kj]AW[kk]AB[jj]AW[mi]AB[lh]AW[mh]AB[kg]AW[jl]AB[km]AW[jk]AB[jm]AW[lj]AB[ji]AW[fd]AB[fe]AW[hd]AB[ge]AW[md]AB[le]AW[bm]AB[bn]AW[ob]AB[oa]AW[na]AB[pa]AW[oe]AB[of]AW[oh]AB[og]AB[pn]AW[qo]AW[nr]AB[am]AW[al]AB[an]AW[bk]AB[bd]AW[bc]AB[ad]AW[ac]AB[cd]AW[si]AW[pd]AB[qd]AB[sg]AW[oo]AB[on]AW[no]AB[de]AW[ed]AB[ai]AW[aj]AB[ah]AW[cg]AB[bf]AB[nn]AW[mq]AB[mr]AW[ns]AB[es]AW[fs]AW[js]AB[ds]AW[ls]AB[ms]AW[lo]AB[kp]AW[gr]AB[gl]AW[fl]AB[hm]AW[fo]AB[ho]AW[dn]AB[ri]AB[rh]AW[ks]AW[nh]AB[ne]AW[nd]AB[me]AW[nb]AB[pi]AW[pj]AB[pl]AW[nk]AB[ng]AB[mn]AW[mo]AB[go]C[White just passed, he's leading by 2,5. Black to find a crazy tesuji.]AP[goproblems] (;B[bj];W[ak] (;B[di];W[dh] (;B[fm] (;W[fn] (;B[el];W[em] (;B[ek];W[fm];B[ck];W[bl];B[dl]C[RIGHT]) (;B[ck];W[bl];B[ek];W[fm])) (;B[ck];W[bl];B[el];W[em];B[ek];W[fm];B[dl]C[RIGHT])) (;W[em]C[] (;B[el];W[fn] (;B[ek];W[fm];B[ck];W[bl];B[dl]C[RIGHT]) (;B[ck];W[bl];B[ek])) (;B[fn];W[dk]C[Two stones is enough to win indeed, but you failed to punish white's mistake]))) (;B[ck];W[bl];B[fm] (;W[fn];B[el];W[em];B[ek];W[fm];B[dl]C[RIGHT]) (;W[em];B[el];W[fn];B[ek];W[fm]))) (;B[ck];W[bl] (;B[di];W[dh];B[fm] (;W[fn];B[el];W[em];B[ek];W[fm]) (;W[em];B[el];W[fn])) (;B[fm];W[fn];B[di];W[dh];B[el];W[em];B[ek];W[fm];B[dl]C[RIGHT])) (;B[fm];W[fn] (;B[di];W[dh]) (;B[ck];W[bl];B[di];W[dh]))) (;B[fm] (;W[fn];B[bj];W[ak] (;B[di];W[dh] (;B[el];W[em] (;B[ek];W[fm];B[ck];W[bl];B[dl]C[RIGHT]) (;B[ck];W[bl];B[ek])) (;B[ck];W[bl];B[el])) (;B[ck];W[bl];B[di];W[dh];B[el])) (;W[em] (;B[bj];W[ak];B[di];W[dh] (;B[el];W[fn]) (;B[fn];W[dk]C[Two stones is enough to win indeed, but you failed to punish white's mistake])) (;B[fn]C[RIGHT]))) (;B[fn];W[fm]C[You destroyed all the aji with one move, impressive.]))