Problem	16920
Created	2012-12-27
Source	Weekly�@Go�@Problems Week 50
Rating

Difficulty	8 dan
Average Solve Time	88 secs
User Attempts	5 / 110
Solve Ratio Rating	5 dan
	rating history

Weekly Go Problems Week 50-Hard Go problem

(;AB[cq]AB[bp]AB[co]AB[do]AB[cp]AB[fo]AB[em]AB[dm]AB[dl]AB[ek]AB[ej]AB[gj]AB[ij]AB[jo]AB[jq]AW[dp]AW[dq]AW[dr]AW[bo]AW[bn]AW[cl]AW[cj]AW[dk]AW[el]AW[fl]AW[fm]AW[gn]AW[go]AW[gp]AW[fq]AW[im]LB[bm:a]LB[cn:b]LB[cr:c]LB[bs:d]AP[goproblems] (;B[bm];W[cm];B[cn];W[bl]LB[bs:a]LB[ao:b] (;B[ao];W[br]LB[an:a]LB[cr:b] (;B[cr];W[cs];B[bs];W[as]LB[ep:a]LB[fp:b] (;B[ep];W[eq]LB[an:a]LB[en:b] (;B[en];W[am]LB[fn:a]LB[fp:b] (;B[fn];W[fp];B[gm];W[gl];B[hm];W[hl];B[hn];W[io]) (;B[fp];W[fn];B[eo];W[hq])) (;B[an];W[en])) (;B[fp];W[eo]LB[en:a]LB[ep:b] (;B[en];W[ep]) (;B[ep];W[en]))) (;B[an];W[en];B[cr];W[cs];B[bs];W[as]LB[aq:a]LB[bq:b] (;B[aq];W[bq]) (;B[bq];W[aq];B[ap];W[ds];B[ar];W[bs];B[ep];W[eo];B[eq];W[er]))) (;B[bs];W[aq]LB[ao:a]LB[ap:b]LB[ar:c] (;B[ao];W[am] (;B[en];W[br];B[cr];W[ap] (;B[bq];W[an];B[ar]C[RIGHT]) (;B[ar];W[as];B[cs];W[an];B[bq]C[RIGHT])) (;B[ar];W[br];B[cr];W[as];B[cs];W[en])) (;B[ap];W[en]LB[ar:a]LB[br:b]LB[cr:c] (;B[cr];W[ar]) (;B[br];W[ar]) (;B[ar];W[br]LB[cr:a]LB[bq:b] (;B[cr];W[as];B[bq];W[cs]) (;B[bq];W[cr]))) (;B[ar];W[br];B[cr];W[as];B[cs];W[en]))) (;B[cn];W[bm]LB[bs:a]LB[cr:b]LB[ep:c]LB[br:d] (;B[ep];W[br];B[cr];W[cs];B[bs];W[as]LB[bq:a]LB[aq:b] (;B[aq];W[eq]) (;B[bq];W[eq])) (;B[cr];W[en]LB[eo:a]LB[fn:b]LB[ar:c]LB[br:d]LB[bs:e]LB[aq:f]LB[cs:g]LB[ap:h] (;B[fn];W[eo];B[ep];W[fp]) (;B[eo];W[fn]) (;B[ar];W[bs];B[cs];W[ap];B[aq];W[br]) (;B[br];W[aq];B[ap];W[cs];B[bs];W[ar]) (;B[bs];W[ar]LB[aq:a]LB[br:b] (;B[br]) (;B[aq];W[br])) (;B[aq];W[br]LB[bs:a]LB[ar:b] (;B[bs];W[ar]) (;B[ar];W[bs])) (;B[cs];W[ap]LB[aq:a]LB[ar:b] (;B[aq];W[br]) (;B[ar];W[aq]LB[bq:a]LB[bs:b] (;B[bq];W[bs];B[ao];W[ap]) (;B[bs];W[bq]))) (;B[ap];W[cs];B[bs];W[ar]))) (;B[cr];W[cn]) (;B[bs];W[cn]LB[cm:a]LB[dn:b] (;B[dn];W[cm];B[fn];W[eo];B[ep];W[fp];B[ar];W[cr];B[br];W[ap]) (;B[cm];W[bm];B[bl];W[ck];B[dn];W[bk];B[ar];W[cr];B[br];W[ap]LB[aq:a]LB[ao:b];B[aq];W[ao];B[fn];W[eo]LB[ep:a]LB[gm:b] (;B[gm];W[gl];B[hm];W[hl];B[hn];W[io]) (;B[ep];W[fp]))))