invalid problem set
Problem | 7200 |
Created | 2005-09-07 |
Source | |
Rating | |
Difficulty | 1.3 kyu |
Average Solve Time | 92 secs |
User Attempts |
817 / 2966 |
Solve Ratio Rating | 3 kyu |
| rating history |
From a club game. White declined to sacrifice the E13 stones and so the central group comes under severe attack.
(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[NZ]SZ[19]KM[7.00]
PW[Matt]PB[Corrin]WR[2d]BR[2d]DT[2005-09-08]PC[Dunedin Go Club]AW[hc][kc][lc][nc][dd][gd][hd][jd][kd][nd][ce][de][ge][le][ne][pe][qe][re][df][hf][lf][of][qf][sf][eg][fg][gg][hg][kg][lg][rg][lh][mh][hi][ki][li][ni][ej][ij][jj][kj][nj][oj][qj][ck][ek][gk][hk][jk][ok][pk][dl][gl][il][ml][dm][em][nm][om][in][on][ho][jo][lo][mo][cp][dp][gp][kp][fq][gq][hq][iq][jq][kq][lq][oq
][lr][nr][or][pr][ms]AB[ic][jc][oc][id][ld][md][qd][he][ie][ke][me][cf][ef][if][kf][mf][nf][pf][cg][dg][ig][jg][ng][qg][eh][fh][gh][hh][jh][kh][nh][oh][qh][rh][di][ii][ji][mi][oi][pi][dj][gj][lj][mj][pj][dk][kk][mk][qk][cl][kl][ll][cm][im][jm][lm][mm][bn][en][gn][hn][kn][nn][pn][qn][rn][co][eo][go][ko][oo][so][fp][hp][ip][jp][lp][mp][np][op][qp][rp][mq][nq][pq][qq][mr][
qr]C[Black to play and kill]
(;B[hj]CR[hj]
;W[fj]CR[fj]
;B[gi]CR[gi]
(;W[fl]CR[fl]C[CHOICE]
;B[jl]CR[jl]
(;W[hm]CR[hm]C[CHOICE]
(;B[gm]CR[gm]
;W[fm]CR[fm]
;B[hl]CR[hl]
;W[ik]CR[ik])
(;B[fm]CR[fm]
;W[gm]CR[gm]))
(;W[fm]CR[fm]))
(;W[jl]CR[jl]
;B[hm]CR[hm]
;W[hl]CR[hl]
;B[fm]CR[fm]
;W[fl]CR[fl]))
(;B[fl]CR[fl]
;W[fm]CR[fm]
(;B[hj]CR[hj]
;W[fj]CR[fj]
;B[gi]CR[gi]
;W[jl]CR[jl])
(;B[jl]CR[jl]
;W[hj]CR[hj]
;B[fj]CR[fj]
;W[fk]CR[fk]))
(;B[fm]CR[fm]
(;W[fj]CR[fj]C[CHOICE]
(;B[gi]CR[gi]
;W[fl]CR[fl]
(;B[hj]CR[hj]
;W[jl]CR[jl])
(;B[jl]CR[jl]
;W[hj]CR[hj]))
(;B[fl]CR[fl]
;W[gi]CR[gi]
;B[fi]CR[fi]
;W[hj]CR[hj]
;B[fk]CR[fk]C[RIGHT]))
(;W[gm]CR[gm]
(;B[hm]CR[hm]
;W[fl]CR[fl]
(;B[fn]CR[fn]
;W[fj]CR[fj]
;B[gi]CR[gi]
;W[hj]CR[hj])
(;B[fj]CR[fj]
;W[fn]CR[fn]
;B[fk]CR[fk]C[RIGHT]))
(;B[fl]CR[fl]
;W[hm]CR[hm]
;B[hj]CR[hj]
;W[jl]CR[jl]C[Not good enough])))
(;B[gm]CR[gm]
;W[fj]CR[fj]
(;B[fm]CR[fm]
;W[fl]CR[fl]
;B[hl]CR[hl]
;W[jl]CR[jl]
(;B[hj]CR[hj]
;W[gi]CR[gi])
(;B[gi]CR[gi]
;W[hj]CR[hj]))
(;B[gi]CR[gi]
;W[fm]CR[fm]
(;B[fl]CR[fl]
;W[hl]CR[hl])
(;B[hl]CR[hl]
;W[fl]CR[fl])))
(;B[fj]CR[fj]
(;W[gm]CR[gm]C[CHOICE]
;B[hm]CR[hm]C[RIGHT])
(;W[hm]CR[hm]
;B[gm]CR[gm]
;W[fm]CR[fm]
(;B[fk]CR[fk]C[RIGHT])
(;B[hl]CR[hl]
;W[fk]CR[fk]
;B[hj]CR[hj]
;W[hm]CR[hm]
;B[jl]CR[jl]C[RIGHT])))
(;B[fk]CR[fk]
;W[fj]CR[fj])
(;B[jl]CR[jl]
;W[fj]CR[fj]
(;B[gm]CR[gm]
;W[hl]CR[hl]
(;B[fl]CR[fl]
;W[fm]CR[fm])
(;B[fm]CR[fm]
;W[fl]CR[fl]))
(;B[fm]CR[fm]
;W[fl]CR[fl])
(;B[gi]CR[gi]
;W[hj]CR[hj])))
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