invalid problem set
Problem | 19635 |
Created | 2015-04-27 |
Name | Hirabot n°2 |
Source | KGS game |
Rating | |
Difficulty | 9 dan |
Average Solve Time | 68 secs |
User Attempts |
1 / 127 |
Solve Ratio Rating | 6 dan |
| rating history |
From the previous problem (19633).
Black just exchanged 1 for 2, and played 3.
Show him it's a mistake.
(;AW[dd]AW[ce]AW[ec]AW[ee]AW[fc]AW[gd]AW[fe]AW[ge]AW[ef]AW[dg]AW[cf]AW[di]AW[bi]AW[ci]AW[bj]AW[cl]AW[cm]AW[cn]AW[am]AW[bn]AW[dn]AW[dp]AW[eo]AW[fo]AW[fp]AW[fq]AW[gq]AW[iq]AW[hp]AW[ho]AW[hn]AW[im]AW[gm]AW[fm]AW[gk]AW[hk]AW[hj]AW[ii]AW[hh]AW[hg]AW[hf]AW[jg]AW[kg]AW[ji]AW[ki]AW[lj]AW[ll]AW[ml]AW[km]AW[kn]AB[bf]AB[cg]AB[bh]AB[ff]AB[gf]AB[fh]AB[gi]AB[hi]AB[gj]AB[fk]AB[fj]AB[cj]AB[dk]AB[dl]AB[dm]AB[em]AB[en]AB[fn]AB[gn]AB[go]AB[gp]AB[hq]AB[jp]AB[kq]AB[in]AB[jn]AB[jm]AB[jl]AB[kl]AB[lm]AB[mm]AB[lo]AB[mo]AB[eq]AB[dq]AB[cp]AB[bo]AB[bq]AB[he]AB[hd]AB[hc]AB[gc]AB[fb]AB[jd]AB[ij]AB[jj]AB[ck]AW[bk]AB[fl]LB[fl:3]LB[ck:1]LB[bk:2]AP[goproblems]
(;W[ek];B[gl];W[hl];B[hm];W[gm];B[ei]
(;W[ej];B[dj];W[eh];B[gh];W[fi]C[ko])
(;W[eh];B[gh];W[ej];B[dj];W[fi]C[ko]))
(;W[ei]
(;B[hl]C[CHOICE];W[gl]
(;B[hr]C[CHOICE]
(;W[hm];B[ir]
(;W[gh]C[RIGHT])
(;W[ek];B[gh]C[black lives])
(;W[ej];B[gh]C[black lives])
(;W[ip];B[gh]C[black lives]))
(;W[ir];B[hm];W[il];B[hm]
(;W[hl];B[ik];W[hm];B[ip])
(;W[jk];B[ip];W[hl];B[io]))
(;W[ip];B[il];W[hm];B[ir]))
(;B[hm]C[CHOICE];W[il];B[hm]
(;W[hl];B[ik];W[hm];B[hr]LB[ip:A]LB[ir:B]C[A and B miai]
(;W[ip];B[ir])
(;W[ir];B[ip])
(;W[jk];B[kk];W[kj];B[jk];W[ip];B[ir];W[jo]))
(;W[jk]
(;B[hr]
(;W[ip];B[ir]
(;W[kk];B[jq];W[hl];B[jo]
(;W[hm]C[RIGHT])
(;W[ik]C[RIGHT]))
(;W[jo];B[ko]
(;W[hl];B[io];W[kk];B[ln]
(;W[ik]C[RIGHT])
(;W[hm]C[RIGHT]))
(;W[kk];B[ln]
(;W[jq];B[io]
(;W[jr];B[js]
(;W[kr];B[lr];W[hl];B[ks])
(;W[hl];B[kr]))
(;W[hl];B[jr]))
(;W[hl];B[jq]
(;W[ik]C[RIGHT])
(;W[hm]C[RIGHT]))
(;W[ik];B[jq];W[hl]C[RIGHT]))
(;W[jq];B[io]
(;W[hl];B[jr])
(;W[jr];B[js]
(;W[hl];B[kr])
(;W[kr];B[lr];W[hl];B[ks]))))
(;W[kj];B[io];W[hl];B[jq])
(;W[hl];B[jq]
(;W[kk];B[jo]
(;W[hm]C[RIGHT])
(;W[ik]C[RIGHT]))
(;W[jo];B[ko];W[kk];B[ln]
(;W[ik]C[RIGHT])
(;W[hm]C[RIGHT]))))
(;W[ir];B[ip];W[hl];B[io])
(;W[jo];B[ip]))
(;B[kk]C[NOTTHIS]))))
(;B[hr]C[CHOICE]
(;W[hm];B[ir]
(;W[ej];B[gh]C[black wins])
(;W[ek];B[gh]C[black wins])
(;W[gh]C[RIGHT]))
(;W[ir];B[hl];W[gl];B[hm];W[il];B[hm]
(;W[hl];B[ik];W[hm])
(;W[jk]))
(;W[ip];B[gl];W[hl];B[hm];W[gm];B[ir]C[black wins])))
(;W[dj]C[NOTTHISRIGHT])
(;W[gl];B[ei];W[eh];B[dj]
(;W[gh];B[ek])
(;W[ek];B[gh]))
(;W[gh]C[multi-step ko variationNOTTHISRIGHT])
(;W[ej]C[NOTTHISRIGHT])
(;W[hr];B[ei])
(;W[hm];B[ei])
(;W[fg]C[NOTTHIS]))
Toggle next/previous buttons