invalid problem set
Problem | 13386 |
Created | 2010-01-12 |
Source | KGS game |
Rating | |
Difficulty | 9 dan |
Average Solve Time | 81 secs |
User Attempts |
32 / 304 |
Solve Ratio Rating | 3 dan |
| rating history |
9x9 game, 0 prisonner, 6.5 komi, japanese rules
Can black win this ?
( All comments appreciated ;-) )
(;AB[dc]AB[eb]AB[fb]AB[fa]AB[dd]AB[cd]AB[bd]AB[ad]AB[ee]AB[ef]AB[df]AB[eg]AB[ff]AB[gf]AB[gg]AB[gh]AB[hg]AW[da]AW[ca]AW[db]AW[ea]AW[cc]AW[bb]AW[bc]AW[hh]AW[gi]AW[fh]AW[fg]AW[eh]AW[dg]AW[cf]AW[ce]AW[be]AW[ae]AW[ch]LB[gd:Y]LB[hd:N]SZ[9]C[Y = Yes . . . N = NoFORCE]AP[goproblems]
(;B[gd];W[hd]C[you're right, now prove it !]
(;B[ih];W[hi]
(;B[fi];W[ei]
(;B[bg];W[cg]
(;B[ac];W[ab]
(;B[de];W[fi]
(;B[ig];W[ii]
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[Seki !RIGHT])
(;B[di];W[dh]
(;B[bh];W[bi])
(;B[bi];W[bh]))
(;B[bh];W[bi]))
(;B[bi];W[bh];B[ig];W[ii]))
(;B[ig];W[fi]
(;B[de];W[ii]
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[Seki !RIGHT])
(;B[di];W[dh]
(;B[bh];W[bi])
(;B[bi];W[bh]))
(;B[bh];W[bi]))
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag]
(;B[ii];W[bf]C[Black wins by 0.5RIGHT])
(;B[af];W[bf])
(;B[de]))
(;B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[ah];W[ci])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT])
(;B[de];W[ii]))
(;B[ii];W[de]
(;B[bi];W[bh]
(;B[ci];W[dh];B[ah]C[SekiRIGHT])
(;B[di];W[dh])
(;B[ah];W[ci]))
(;B[di];W[dh];B[bh];W[bi])
(;B[ci];W[bi])
(;B[bh];W[bi])))
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[de];W[fi]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ag]
(;B[ig];W[bf]C[RIGHT])
(;B[af];W[bf];B[ig];W[ag]C[Black wins by 0.5RIGHT])))
(;B[ah];W[ag]
(;B[ig];W[fi]
(;B[ii];W[bf]C[Black wins by 0.5RIGHT])
(;B[af];W[bf];B[ii];W[ag]C[Black wins by 0.5RIGHT])
(;B[de];W[bf]C[RIGHT]))
(;B[af];W[bf]
(;B[ig];W[fi];B[ii];W[ag]C[Black wins by 0.5RIGHT])
(;B[de];W[fi];B[ig];W[ag]C[Black wins by 0.5RIGHT]))
(;B[de];W[fi]
(;B[ig];W[bf]C[RIGHT])
(;B[af];W[bf];B[ig]))))
(;B[ig]
(;W[ah]C[Black wins by 0.5RIGHT])
(;W[fi];B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[de];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ci]C[Black wins by 0.5RIGHT]))
(;B[bh];W[bi]))
(;B[ig];W[ac]
(;B[ii];W[fi];B[bi];W[bh];B[ci];W[dh];B[ah];W[ag];B[af];W[bf];B[de];W[ag]C[Black loses by 0.5])
(;B[de];W[bh]C[Black loses by 0.5]))
(;B[de];W[ac])
(;B[bi];W[bh]
(;B[ac];W[ab]
(;B[ci];W[dh]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[de];W[fi]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ag]
(;B[ig];W[bf]C[RIGHT])
(;B[af];W[bf];B[ig])))
(;B[ah];W[ag]
(;B[ig];W[fi]
(;B[ii];W[bf]C[Black wins by 0.5RIGHT])
(;B[af];W[bf])
(;B[de]))
(;B[af];W[bf]
(;B[ig];W[fi];B[ii];W[ag]C[Black wins by 0.5RIGHT])
(;B[de];W[fi];B[ig];W[ag]C[Black wins by 0.5RIGHT]))
(;B[de];W[fi])))
(;B[ig]
(;W[ah]C[Black wins by 0.5RIGHT])
(;W[fi];B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[de];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ci]C[Black wins by 0.5RIGHT]))
(;B[ci];W[ac];B[ig];W[dh];B[ii];W[fi];B[ah];W[ag];B[af];W[bf];B[de];W[ag]C[Black loses by 0.5])))
(;B[ac];W[ab]
(;B[de];W[fi]
(;B[ig];W[ii]
(;B[bg];W[cg])
(;B[bh];W[bi])
(;B[ci];W[bi])
(;B[bi];W[bh]))
(;B[bg];W[cg]
(;B[bi];W[bh];B[ig];W[ii])
(;B[ig];W[ii]))
(;B[bi];W[bh]))
(;B[ig];W[de]
(;B[ii];W[fi]
(;B[bg];W[cg]
(;B[bi];W[bh]
(;B[ci];W[dh];B[ah]C[SekiRIGHT])
(;B[di];W[dh])
(;B[ah];W[ci]))
(;B[di];W[dh];B[bh];W[bi])
(;B[ci];W[bi])
(;B[bh];W[bi]))
(;B[bh];W[bi])
(;B[ci];W[bi])
(;B[bi];W[bh]))
(;B[bg];W[cg]
(;B[ii];W[fi])
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[];W[ag]
(;B[ii];W[bf];B[fi];W[gi];B[hi];W[fi]C[Black winsRIGHT])
(;B[af];W[bf];B[ii];W[ag]))))
(;B[bg];W[cg]))
(;B[ig];W[ac]C[Black will lose by 0.5]))
(;B[ac];W[ab]
(;B[fi];W[ei]
(;B[ig];W[de]
(;B[ii];W[fi]
(;B[bg];W[cg]
(;B[bi];W[bh]
(;B[ci];W[dh];B[ah]C[SekiRIGHT])
(;B[di];W[dh])
(;B[ah];W[ci]))
(;B[di];W[dh];B[bh];W[bi])
(;B[ci];W[bi])
(;B[bh];W[bi]))
(;B[bh];W[bi])
(;B[ci];W[bi])
(;B[bi];W[bh]))
(;B[bg];W[cg]
(;B[ii];W[fi])
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[];W[ag]
(;B[ii];W[bf];B[fi];W[gi];B[hi];W[fi]C[Black winsRIGHT])
(;B[af];W[bf];B[ii];W[ag]))))
(;B[de];W[fi]
(;B[ig];W[ii]
(;B[bg];W[cg])
(;B[bh];W[bi])
(;B[ci];W[bi])
(;B[bi];W[bh]))
(;B[bg];W[cg]
(;B[bi];W[bh];B[ig];W[ii])
(;B[ig];W[ii]))
(;B[bi];W[bh]))
(;B[bg];W[cg]))
(;B[bg];W[cg]
(;B[de];W[fi])
(;B[ig];W[fi])
(;B[fi];W[ei]))
(;B[de];W[fi]C[Black loses by 0.5])
(;B[ig];W[fi]C[Black loses by 0.5]))
(;B[bg];W[cg]
(;B[ac];W[ab]
(;B[de];W[fi])
(;B[ig];W[fi])
(;B[fi];W[ei]))
(;B[fi];W[ei]
(;B[ac];W[ab]
(;B[de];W[fi]
(;B[ig];W[ii]
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[Seki !RIGHT])
(;B[di];W[dh]
(;B[bh];W[bi])
(;B[bi];W[bh]))
(;B[bh];W[bi]))
(;B[bi]))
(;B[ig];W[fi]
(;B[de])
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[ah];W[ci])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT])
(;B[de]))
(;B[ii];W[de]))
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[de];W[fi]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ag]
(;B[ig];W[bf]C[RIGHT])
(;B[af];W[bf];B[ig])))
(;B[ah];W[ag]
(;B[ig];W[fi]
(;B[ii];W[bf]C[Black wins by 0.5RIGHT])
(;B[af];W[bf])
(;B[de]))
(;B[af];W[bf]
(;B[ig];W[fi];B[ii];W[ag]C[Black wins by 0.5RIGHT])
(;B[de];W[fi];B[ig];W[ag]C[Black wins by 0.5RIGHT]))
(;B[de];W[fi])))
(;B[ig]
(;W[ah]C[Black wins by 0.5RIGHT])
(;W[fi];B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[de];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ci]C[Black wins by 0.5RIGHT]))
(;B[bh];W[bi]))
(;B[ig];W[ac]
(;B[ii];W[fi];B[bi];W[bh];B[ci];W[dh])
(;B[de];W[bh]C[Black loses by 0.5]))
(;B[de];W[ac])
(;B[bi];W[bh]
(;B[ac];W[ab])
(;B[ci];W[ac];B[ig];W[dh];B[ii];W[fi];B[ah];W[ag];B[af];W[bf];B[de];W[ag]C[Black loses by 0.5])))))
(;B[ac];W[ab]
(;B[ih];W[hi]
(;B[fi];W[ei]
(;B[ig];W[de]
(;B[ii];W[fi]
(;B[bg];W[cg]
(;B[bi];W[bh]
(;B[ci];W[dh];B[ah]C[SekiRIGHT])
(;B[di];W[dh])
(;B[ah];W[ci]))
(;B[di];W[dh];B[bh];W[bi])
(;B[ci];W[bi])
(;B[bh];W[bi]))
(;B[bh];W[bi])
(;B[ci];W[bi])
(;B[bi];W[bh]))
(;B[bg];W[cg]
(;B[ii];W[fi]
(;B[bi];W[bh]
(;B[ci];W[dh];B[ah]C[SekiRIGHT])
(;B[di];W[dh])
(;B[ah];W[ci]))
(;B[di];W[dh];B[bh];W[bi])
(;B[ci];W[bi])
(;B[bh];W[bi]))
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[];W[ag]
(;B[ii];W[bf];B[fi];W[gi];B[hi];W[fi]C[Black winsRIGHT])
(;B[af];W[bf];B[ii];W[ag];B[fi];W[gi];B[hi];W[fi]C[Black winsRIGHT]))))
(;B[de];W[fi]
(;B[ig];W[ii]
(;B[bg];W[cg]
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[Seki !RIGHT])
(;B[di];W[dh]
(;B[bh];W[bi])
(;B[bi];W[bh]))
(;B[bh];W[bi]))
(;B[bh];W[bi])
(;B[ci];W[bi])
(;B[bi];W[bh]))
(;B[bg];W[cg]
(;B[bi];W[bh];B[ig];W[ii];B[ci];W[dh];B[ah]C[Seki !RIGHT])
(;B[ig];W[ii]
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[Seki !RIGHT])
(;B[di];W[dh]
(;B[bh];W[bi])
(;B[bi];W[bh]))
(;B[bh];W[bi])))
(;B[bi];W[bh]))
(;B[bg];W[cg]
(;B[de];W[fi]
(;B[ig];W[ii]
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[Seki !RIGHT])
(;B[di];W[dh]
(;B[bh];W[bi])
(;B[bi];W[bh]))
(;B[bh];W[bi]))
(;B[bi]))
(;B[ig];W[fi]
(;B[de])
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[ah];W[ci])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT])
(;B[de]))
(;B[ii];W[de]))
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[de];W[fi]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ag]
(;B[ig];W[bf]C[RIGHT])
(;B[af];W[bf];B[ig])))
(;B[ah];W[ag]
(;B[ig];W[fi]
(;B[ii];W[bf]C[Black wins by 0.5RIGHT])
(;B[af];W[bf])
(;B[de]))
(;B[af];W[bf]
(;B[ig];W[fi];B[ii];W[ag]C[Black wins by 0.5RIGHT])
(;B[de];W[fi];B[ig];W[ag]C[Black wins by 0.5RIGHT]))
(;B[de];W[fi])))
(;B[ig]
(;W[ah]C[Black wins by 0.5RIGHT])
(;W[fi];B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[de];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ci]C[Black wins by 0.5RIGHT]))
(;B[bh];W[bi])))
(;B[bg];W[cg]
(;B[de];W[fi])
(;B[ig];W[fi])
(;B[fi];W[ei]
(;B[de];W[fi]
(;B[ig];W[ii]
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[Seki !RIGHT])
(;B[di];W[dh]
(;B[bh];W[bi])
(;B[bi];W[bh]))
(;B[bh];W[bi]))
(;B[bi]))
(;B[ig];W[fi]
(;B[de])
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[ah];W[ci])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT])
(;B[de]))
(;B[ii];W[de]))
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[de];W[fi]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ag]
(;B[ig];W[bf]C[RIGHT])
(;B[af];W[bf];B[ig])))
(;B[ah];W[ag]
(;B[ig];W[fi]
(;B[ii];W[bf]C[Black wins by 0.5RIGHT])
(;B[af];W[bf])
(;B[de]))
(;B[af];W[bf]
(;B[ig];W[fi];B[ii];W[ag]C[Black wins by 0.5RIGHT])
(;B[de];W[fi];B[ig];W[ag]C[Black wins by 0.5RIGHT]))
(;B[de];W[fi])))
(;B[ig]
(;W[ah]C[Black wins by 0.5RIGHT])
(;W[fi];B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[de];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ci]C[Black wins by 0.5RIGHT]))
(;B[bh];W[bi])))
(;B[de];W[fi]C[Black loses by 0.5])
(;B[ig];W[fi]C[Black loses by 0.5]))
(;B[fi];W[ei]
(;B[ih];W[hi]
(;B[ig];W[de]
(;B[ii];W[fi]
(;B[bg];W[cg]
(;B[bi];W[bh]
(;B[ci];W[dh];B[ah]C[SekiRIGHT])
(;B[di];W[dh])
(;B[ah];W[ci]))
(;B[di];W[dh];B[bh];W[bi])
(;B[ci];W[bi])
(;B[bh];W[bi]))
(;B[bh];W[bi])
(;B[ci];W[bi])
(;B[bi];W[bh]))
(;B[bg];W[cg]
(;B[ii];W[fi])
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[];W[ag]
(;B[ii];W[bf];B[fi];W[gi];B[hi];W[fi]C[Black winsRIGHT])
(;B[af];W[bf];B[ii];W[ag]))))
(;B[de];W[fi]
(;B[ig];W[ii]
(;B[bg];W[cg])
(;B[bh];W[bi])
(;B[ci];W[bi])
(;B[bi];W[bh]))
(;B[bg];W[cg]
(;B[bi];W[bh];B[ig];W[ii])
(;B[ig];W[ii]))
(;B[bi];W[bh]))
(;B[bg];W[cg]))
(;B[bg];W[cg]
(;B[ih];W[hi]
(;B[de];W[fi]
(;B[ig];W[ii]
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[Seki !RIGHT])
(;B[di];W[dh]
(;B[bh];W[bi])
(;B[bi];W[bh]))
(;B[bh];W[bi]))
(;B[bi]))
(;B[ig];W[fi]
(;B[de])
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[ah];W[ci])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT])
(;B[de]))
(;B[ii];W[de]))
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[de];W[fi]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ag]
(;B[ig];W[bf]C[RIGHT])
(;B[af];W[bf];B[ig])))
(;B[ah];W[ag]
(;B[ig];W[fi]
(;B[ii];W[bf]C[Black wins by 0.5RIGHT])
(;B[af];W[bf])
(;B[de]))
(;B[af];W[bf]
(;B[ig];W[fi];B[ii];W[ag]C[Black wins by 0.5RIGHT])
(;B[de];W[fi];B[ig];W[ag]C[Black wins by 0.5RIGHT]))
(;B[de];W[fi])))
(;B[ig]
(;W[ah]C[Black wins by 0.5RIGHT])
(;W[fi];B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[de];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ci]C[Black wins by 0.5RIGHT]))
(;B[bh];W[bi]))
(;B[hi];W[ii]C[h1 j1 is a bad exchange for black];B[ig];W[fi]
(;B[ih];W[hi]
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag]
(;B[de];W[bf]C[black loses by 0.5])
(;B[af];W[bf]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[bh]C[black loses by 0.5])
(;B[bh];W[bi]C[Black loses])
(;B[di];W[dh];B[bh];W[bi]C[Black loses]))
(;B[de];W[hi];B[ih];W[bh]C[black loses by 0.5]))
(;B[bi];W[bh]
(;B[ih];W[hi]
(;B[ci];W[dh]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[de];W[fi]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ag]
(;B[ig];W[bf]C[RIGHT])
(;B[af];W[bf];B[ig])))
(;B[ah];W[ag]
(;B[ig];W[fi]
(;B[ii];W[bf]C[Black wins by 0.5RIGHT])
(;B[af];W[bf])
(;B[de]))
(;B[af];W[bf]
(;B[ig];W[fi];B[ii];W[ag]C[Black wins by 0.5RIGHT])
(;B[de];W[fi];B[ig];W[ag]C[Black wins by 0.5RIGHT]))
(;B[de];W[fi])))
(;B[ig]
(;W[ah]C[Black wins by 0.5RIGHT])
(;W[fi];B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[de];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ci]C[Black wins by 0.5RIGHT]))
(;B[ah];W[ci];B[ih];W[hi]C[Black wins by 0.5RIGHT]))
(;B[ig];W[hi];B[ih];W[fi]
(;B[de])
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[ah];W[ci])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT])
(;B[de]))
(;B[ii];W[de])))
(;B[hi];W[ii]C[h1 j1 is a bad exchange for black];B[ig];W[fi];B[ih];W[hi]
(;B[bg];W[cg]
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag]
(;B[de];W[bf]C[black loses by 0.5])
(;B[af];W[bf];B[de];W[ag]C[Black loses by 0.5]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[bh]C[black loses by 0.5])
(;B[bh];W[bi]C[Black loses])
(;B[di];W[dh];B[bh];W[bi]C[Black loses]))
(;B[de];W[bg]C[Black loses by 0.5]))
(;B[ig];W[hi];B[ih];W[de]))
(;B[bg];W[cg]
(;B[ih];W[hi];B[fi];W[ei])
(;B[hi];W[ii]C[])
(;B[fi];W[ei])
(;B[ig];W[fi]C[Now black can't win]))
(;B[hi];W[ii]C[black just loses one point]
(;B[ig];W[fi]C[j3 is another mistake])
(;B[fi];W[ei])
(;B[bg];W[cg]))
(;B[ig];W[fi]C[Now black can't win]))
(;B[bg];W[cg]
(;B[ac];W[ab]
(;B[ih];W[hi];B[fi];W[ei]
(;B[de];W[fi]
(;B[ig];W[ii]
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[Seki !RIGHT])
(;B[di];W[dh]
(;B[bh];W[bi])
(;B[bi];W[bh]))
(;B[bh];W[bi]))
(;B[bi]))
(;B[ig];W[fi]
(;B[de])
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[ah];W[ci])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT])
(;B[de]))
(;B[ii];W[de]))
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[de];W[fi]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ag]
(;B[ig];W[bf]C[RIGHT])
(;B[af];W[bf];B[ig])))
(;B[ah];W[ag]
(;B[ig];W[fi]
(;B[ii];W[bf]C[Black wins by 0.5RIGHT])
(;B[af];W[bf])
(;B[de]))
(;B[af];W[bf]
(;B[ig];W[fi];B[ii];W[ag]C[Black wins by 0.5RIGHT])
(;B[de];W[fi];B[ig];W[ag]C[Black wins by 0.5RIGHT]))
(;B[de];W[fi])))
(;B[ig]
(;W[ah]C[Black wins by 0.5RIGHT])
(;W[fi];B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[de];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ci]C[Black wins by 0.5RIGHT]))
(;B[bh];W[bi]))
(;B[hi];W[ii]C[]
(;B[ig];W[fi])
(;B[fi];W[ei]))
(;B[fi];W[ei]
(;B[ih];W[hi])
(;B[hi];W[ii]C[h1 j1 is a bad exchange for black];B[ig];W[fi]
(;B[ih];W[hi])
(;B[de];W[hi];B[ih]))
(;B[bi];W[bh]
(;B[ih];W[hi])
(;B[ah];W[ci];B[ih];W[hi]C[Black wins by 0.5RIGHT]))
(;B[ig];W[hi];B[ih]))
(;B[ig];W[fi]C[Now black can't win]))
(;B[fi];W[ei]
(;B[ih];W[hi]
(;B[ac];W[ab]
(;B[de];W[fi]
(;B[ig];W[ii]
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[Seki !RIGHT])
(;B[di];W[dh]
(;B[bh];W[bi])
(;B[bi];W[bh]))
(;B[bh];W[bi]))
(;B[bi]))
(;B[ig];W[fi]
(;B[de])
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[ah];W[ci])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT])
(;B[de]))
(;B[ii];W[de]))
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[de];W[fi]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ag]
(;B[ig];W[bf]C[RIGHT])
(;B[af];W[bf];B[ig])))
(;B[ah];W[ag]
(;B[ig];W[fi]
(;B[ii];W[bf]C[Black wins by 0.5RIGHT])
(;B[af];W[bf])
(;B[de]))
(;B[af];W[bf]
(;B[ig];W[fi];B[ii];W[ag]C[Black wins by 0.5RIGHT])
(;B[de];W[fi];B[ig];W[ag]C[Black wins by 0.5RIGHT]))
(;B[de];W[fi])))
(;B[ig]
(;W[ah]C[Black wins by 0.5RIGHT])
(;W[fi];B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[de];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ci]C[Black wins by 0.5RIGHT]))
(;B[bh];W[bi]))
(;B[ig];W[ac]
(;B[ii];W[fi];B[bi];W[bh];B[ci];W[dh])
(;B[de];W[bh]C[Black loses by 0.5]))
(;B[de];W[ac])
(;B[bi];W[bh]
(;B[ac];W[ab])
(;B[ci];W[ac];B[ig];W[dh];B[ii];W[fi];B[ah];W[ag];B[af];W[bf];B[de];W[ag]C[Black loses by 0.5])))
(;B[hi];W[ii]C[]
(;B[ig];W[fi]
(;B[ih];W[hi];B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag]
(;B[af];W[bf]
(;B[de];W[ag];B[ac];W[ab]C[black loses by 0.5])
(;B[ac];W[ab];B[de];W[ag]C[Black loses by 0.5]))
(;B[ac];W[ab]))
(;B[ac];W[ab]))
(;B[ac];W[ab])
(;B[ah];W[ci];B[ac];W[ab]C[Black loses by 1.5]))
(;B[ac];W[ab]
(;B[ih];W[hi])
(;B[de];W[hi];B[ih])))
(;B[ac];W[ab];B[ig];W[fi]
(;B[ih];W[hi])
(;B[de];W[hi];B[ih])))
(;B[ac];W[ab]
(;B[ih];W[hi])
(;B[hi];W[ii]C[h1 j1 is a bad exchange for black];B[ig];W[fi]
(;B[ih];W[hi])
(;B[de];W[hi];B[ih]))
(;B[bi];W[bh]
(;B[ih];W[hi])
(;B[ah];W[ci];B[ih];W[hi]C[Black wins by 0.5RIGHT]))
(;B[ig];W[hi];B[ih])))
(;B[ih];W[hi]
(;B[ac];W[ab])
(;B[fi];W[ei]))
(;B[hi];W[ii]C[h1 j1 is a bad exchange for black]
(;B[ig];W[fi]C[j3 is another mistake]
(;B[ih];W[hi];B[ac];W[ab]C[Black loses by 1.5])
(;B[ac];W[ab];B[ih];W[hi]C[Black loses by 1.5]))
(;B[ac];W[ab]
(;B[ig];W[fi])
(;B[fi];W[ei]))
(;B[fi];W[ei]))
(;B[ig];W[fi]C[Now black can't win]))
(;B[fi];W[ei]
(;B[ih];W[hi]
(;B[bg];W[cg]
(;B[ac];W[ab]
(;B[de];W[fi]
(;B[ig];W[ii]
(;B[bi];W[bh];B[ci];W[dh];B[ah]C[Seki !RIGHT])
(;B[di];W[dh]
(;B[bh];W[bi])
(;B[bi];W[bh]))
(;B[bh];W[bi]))
(;B[bi]))
(;B[ig];W[fi]
(;B[de])
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[ah];W[ci])
(;B[ii];W[ah]C[Black wins by 0.5RIGHT])
(;B[de]))
(;B[ii];W[de]))
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[de];W[fi]
(;B[ig];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ag]
(;B[ig];W[bf]C[RIGHT])
(;B[af];W[bf];B[ig])))
(;B[ah];W[ag]
(;B[ig];W[fi]
(;B[ii];W[bf]C[Black wins by 0.5RIGHT])
(;B[af];W[bf])
(;B[de]))
(;B[af];W[bf]
(;B[ig];W[fi];B[ii];W[ag]C[Black wins by 0.5RIGHT])
(;B[de];W[fi];B[ig];W[ag]C[Black wins by 0.5RIGHT]))
(;B[de];W[fi])))
(;B[ig]
(;W[ah]C[Black wins by 0.5RIGHT])
(;W[fi];B[ii];W[ah]C[Black wins by 0.5RIGHT]))
(;B[de];W[ah]C[Black wins by 0.5RIGHT])
(;B[ah];W[ci]C[Black wins by 0.5RIGHT]))
(;B[bh];W[bi]))
(;B[ig];W[ac]
(;B[ii];W[fi];B[bi];W[bh];B[ci];W[dh])
(;B[de];W[bh]C[Black loses by 0.5]))
(;B[de];W[ac])
(;B[bi];W[bh]
(;B[ac];W[ab])
(;B[ci];W[ac];B[ig];W[dh];B[ii];W[fi];B[ah];W[ag];B[af];W[bf];B[de];W[ag]C[Black loses by 0.5])))
(;B[ac];W[ab]
(;B[de];W[fi])
(;B[ig];W[de])
(;B[bg]))
(;B[ig];W[ac]C[Black will lose by 0.5]))
(;B[bg];W[cg]
(;B[ih];W[hi])
(;B[hi];W[ii]C[]
(;B[ig];W[fi]
(;B[ih];W[hi];B[bi];W[bh]
(;B[ci])
(;B[ac])
(;B[ah];W[ci];B[ac];W[ab]C[Black loses by 1.5]))
(;B[ac];W[ab]))
(;B[ac];W[ab]))
(;B[ac];W[ab]))
(;B[ac];W[ab]
(;B[ih];W[hi])
(;B[bg];W[cg]
(;B[ih];W[hi])
(;B[hi];W[ii]C[h1 j1 is a bad exchange for black];B[ig];W[fi]
(;B[ih];W[hi])
(;B[de];W[hi];B[ih]))
(;B[bi];W[bh]
(;B[ih];W[hi])
(;B[ah];W[ci];B[ih];W[hi]C[Black wins by 0.5RIGHT]))
(;B[ig];W[hi];B[ih]))
(;B[hi];W[ii]C[h1 j1 is a bad exchange for black];B[ig];W[fi];B[ih];W[hi]
(;B[bg];W[cg]
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag]
(;B[de];W[bf]C[black loses by 0.5])
(;B[af];W[bf]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[bh]C[black loses by 0.5])
(;B[bh];W[bi]C[Black loses])
(;B[di];W[dh];B[bh];W[bi]C[Black loses]))
(;B[de];W[bg]C[Black loses by 0.5]))
(;B[ig];W[hi];B[ih]))
(;B[hi];W[ii]C[h1 j1 is a bad exchange for black]
(;B[ig];W[fi]
(;B[ih];W[hi]
(;B[bg];W[cg]
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag]
(;B[af];W[bf]
(;B[de];W[ag];B[ac];W[ab]C[black loses by 0.5])
(;B[ac];W[ab];B[de];W[ag]C[Black loses by 0.5]))
(;B[ac];W[ab]
(;B[de];W[bf]C[black loses by 0.5])
(;B[af];W[bf])))
(;B[ac];W[ab]
(;B[ah];W[ag]
(;B[de];W[bf]C[black loses by 0.5])
(;B[af];W[bf]))
(;B[de];W[ah]C[black loses by 0.5])))
(;B[ac];W[ab]
(;B[ci];W[dh]
(;B[ah];W[ag]
(;B[de];W[bf]C[black loses by 0.5])
(;B[af];W[bf]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[ah];W[ci];B[ac];W[ab]C[Black loses by 1.5]))
(;B[ac];W[ab]
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag]
(;B[de];W[bf]C[black loses by 0.5])
(;B[af];W[bf]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[bh]C[black loses by 0.5])
(;B[bh];W[bi]C[Black loses])
(;B[di];W[dh];B[bh];W[bi]C[Black loses])))
(;B[ac];W[ab]
(;B[bg];W[cg]
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag]
(;B[de];W[bf]C[black loses by 0.5])
(;B[af];W[bf]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[bh]C[black loses by 0.5])
(;B[bh];W[bi]C[Black loses])
(;B[di];W[dh];B[bh];W[bi]C[Black loses]))
(;B[de];W[bg]C[Black loses by 0.5])))
(;B[ac];W[ab];B[ih];W[hi]
(;B[bg];W[cg]
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag]
(;B[de];W[bf]C[black loses by 0.5])
(;B[af];W[bf]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[bh]C[black loses by 0.5])
(;B[bh];W[bi]C[Black loses])
(;B[di];W[dh];B[bh];W[bi]C[Black loses]))
(;B[de];W[bg]C[Black loses by 0.5])))
(;B[ac];W[ab];B[ig];W[fi];B[ih];W[hi]
(;B[bg];W[cg]
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag]
(;B[de];W[bf]C[black loses by 0.5])
(;B[af];W[bf]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[bh]C[black loses by 0.5])
(;B[bh];W[bi]C[Black loses])
(;B[di];W[dh];B[bh];W[bi]C[Black loses]))
(;B[de];W[bg]C[Black loses by 0.5]))))
(;B[hi];W[ii]C[h1 j1 is a bad exchange for black]
(;B[fi];W[ei]
(;B[ig];W[fi]
(;B[ih];W[hi]
(;B[bg];W[cg]
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag]
(;B[af];W[bf]
(;B[de];W[ag];B[ac];W[ab]C[black loses by 0.5])
(;B[ac];W[ab];B[de];W[ag]C[Black loses by 0.5]))
(;B[ac];W[ab]))
(;B[ac];W[ab]))
(;B[ac];W[ab])
(;B[ah]))
(;B[ac];W[ab]))
(;B[ac];W[ab]))
(;B[ac];W[ab]))
(;B[ac];W[ab]))
(;B[ac];W[ab]C[h1 j1 is a bad exchange for black]
(;B[ig];W[fi]C[j3 is another mistake])
(;B[fi];W[ei];B[ig];W[fi];B[ih];W[hi]
(;B[bg];W[cg]
(;B[bi];W[bh]
(;B[ci];W[dh]
(;B[ah];W[ag]
(;B[de];W[bf]C[black loses by 0.5])
(;B[af];W[bf]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[ah]C[black loses by 0.5]))
(;B[de];W[bh]C[black loses by 0.5])
(;B[bh];W[bi]C[Black loses])
(;B[di];W[dh];B[bh];W[bi]C[Black loses]))
(;B[de];W[bg]C[Black loses by 0.5]))
(;B[bg];W[cg]
(;B[ig];W[fi])
(;B[fi];W[ei])))
(;B[bg];W[cg]C[h1 j1 is a bad exchange for black]
(;B[ig];W[fi]C[j3 is another mistake]
(;B[ih];W[hi];B[ac];W[ab]C[Black loses by 1.5])
(;B[ac];W[ab];B[ih];W[hi]C[Black loses by 1.5]))
(;B[ac];W[ab]
(;B[ig];W[fi];B[ih];W[hi]C[Black loses by 1.5])
(;B[fi];W[ei];B[ig];W[fi]
(;B[ih];W[hi])
(;B[de];W[hi];B[ih])))
(;B[fi];W[ei]
(;B[ig];W[fi]
(;B[ih];W[hi];B[bi];W[bh]
(;B[ci])
(;B[ac])
(;B[ah];W[ci];B[ac];W[ab]C[Black loses by 1.5]))
(;B[ac];W[ab]))
(;B[ac];W[ab])))
(;B[ig];W[fi]C[j3 is another mistake];B[ih];W[hi];B[ac];W[ab]C[Black loses by 1.5]))
(;B[ig];W[fi]C[Now black can't win])
(;B[ab];W[ac])
(;B[de];W[ac]))
(;B[hd];W[gd]C[Im sure you knew 'No' was wrong :) you can take a look to know how black can win])
(;B[ac]C[NOTTHIS])
(;B[ih]C[NOTTHIS])
(;B[fi]C[NOTTHIS])
(;B[hi]C[NOTTHIS])
(;B[bg]C[NOTTHIS]))
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