Problem	17509
Created	2013-11-15
Name	Stalin's ko-blow
Source	Выдуманая
Rating

Difficulty	10.5 kyu
Average Solve Time	72 secs
User Attempts	812 / 2013
Solve Ratio Rating	7 kyu
	rating history

Ко-борьба не такая простая, как может показаться на первый взгляд. (The ko fight is not as easy as is seems at first sight)

(;SZ[9]AB[ee]AB[da]AB[ea]AB[eb]AB[ec]AB[dc]AB[dd]AB[cd]AB[bd]AB[ad]AB[ac]AB[be]AB[bf]AB[bg]AB[ag]AB[fd]AB[gd]AB[ge]AB[gf]AB[hg]AB[ig]AB[if]AB[ih]AB[ii]AB[hc]AW[ab]AW[bc]AW[cc]AW[cb]AW[db]AW[ca]AW[ba]AW[ah]AW[bh]AW[hh]AW[hi]AW[gi]AW[gh]AW[gg]AW[fg]AW[ff]AW[fe]AW[ef]AW[de]AW[ce]AW[cf]AW[cg]AW[dg]AW[eh]AW[fi]AW[di]AP[goproblems];W[ed];B[ch] (;W[ci];B[ee] (;W[hf];B[he];W[ed] (;B[bi];W[dh];B[ee];W[ie] (;B[id];W[ed]C[RIGHT]) (;B[hf];W[ed]C[RIGHT])) (;B[ai];W[dh];B[ee];W[ie] (;B[id];W[ed]C[RIGHT]) (;B[hf];W[ed]C[RIGHT]))) (;W[he];B[hf];W[ed] (;B[bi];W[dh];B[ee]) (;B[ai] (;W[dh];B[ee]) (;W[bi];B[ee]))) (;W[ie];B[hf];W[ed] (;B[bi];W[dh];B[ee]) (;B[ai];W[dh];B[ee]))) (;W[bi];B[ee] (;W[hf];B[he];W[ed];B[ci];W[dh];B[ee];W[ie] (;B[id];W[ed]C[RIGHT]) (;B[hf]C[RIGHT];W[ed]C[RIGHT])) (;W[he];B[hf];W[ed];B[ci];W[dh];B[ee]) (;W[ie];B[hf];W[ed];B[ci];W[dh];B[ee])))