Problem 21201 goproblems.com


Author	Xenor	Created	2016-06-11
Difficulty	1 kyu (history)	Source	Game on KGS (slightly modified).
AVG solve time	91 sec	Stars	3 (5 votes)
User attempts	174 / 668	Collections	Corner based, Game based, Tesuji
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2016-06-11
Source	Game on KGS (slightly modified).
Stars	3 (5 votes)
Collections	Corner based, Game based, Tesuji
Your attempts	N/A

(;AW[bq]AW[cq]AW[cr]AW[dp]AW[eq]AW[fr]AW[gs]AW[hs]AW[hr]AW[hq]AW[cs]AB[as]AB[br]AB[aq]AB[bp]AB[co]AB[do]AB[eo]AB[fp]AB[fo]AB[gq]AB[gr]AB[hp]AB[ip]AB[iq]AB[ir]AB[ho]AB[gn]AB[bn]AB[es]C[White is almost dead. Black to be carefull and kill all the white stones !!]AB[kr]AP[goproblems] (;B[ar] (;W[er]C[CHOICE] (;B[fs];W[ds];B[fs]C[Well done, once again !RIGHT]) (;B[dr];W[ds]C[Ooops !!]) (;B[ds];W[dr]C[Ooops !!]) (;B[is];W[fs] (;B[ds];W[dr]C[Ooops !!]) (;B[dr];W[ds]C[Ooops !!]))) (;W[fs]C[CHOICE] (;B[dr]C[Well done, once again !!RIGHT]) (;B[ds];W[dr]C[Ooops !!]) (;B[er];W[dr] (;B[is];W[fq] (;B[ep];W[gp] (;B[gq];W[cp]C[Ooops !!]) (;B[cp];W[gq]C[Ooops !!])) (;B[cp];W[gp] (;B[gq];W[ep]C[Ooops !!]) (;B[ep];W[gq]C[Ooops !!]))) (;B[fq];W[ds] (;B[ep];W[cp]C[Ooops !!]) (;B[cp];W[ep]C[Ooops !!])) (;B[ep];W[cp]C[Ooops !!]) (;B[cp];W[ep]C[Ooops !!])) (;B[fq];W[dr]C[Ooops !!]) (;B[is];W[dr]C[Ooops !!]) (;B[cp];W[er] (;B[ds];W[dr];B[ep]C[Well done, once again !! (Thx wren42)RIGHT]) (;B[ep];W[dq];B[ds]C[Well done, once again !! (Thx wren42)RIGHT])) (;B[ep] (;W[dr];B[cp];W[fq];B[gp]C[RIGHT]) (;W[er]C[CHOICE] (;B[ds];W[dr];B[cp]C[RIGHT]) (;B[cp];W[dq];B[ds]C[Well done, once again !! (Thx wren42)RIGHT])))) (;W[dr];B[fs]C[RIGHT]) (;W[ds];B[fs];W[er];B[fs]C[Well done, once again !RIGHT])) (;B[fs];W[bs] (;B[is];W[ar]C[Ooops !!]) (;B[ar];W[ap] (;B[ar];W[aq] (;B[is];W[er] (;B[ds];W[dr]C[Ooops !!]) (;B[dr];W[ds]C[Ooops !!]) (;B[cp];W[ep] (;B[ds];W[dr]C[Ooops !!]) (;B[dr];W[ds]C[Ooops !!])) (;B[ep];W[cp]C[Ooops !!])) (;B[ds];W[er];B[is];W[dr]C[Ooops !!]) (;B[dr];W[er];B[is];W[ds]C[Ooops !!]) (;B[fq];W[er]C[Ooops !!]) (;B[er];W[cp] (;B[fq];W[bo]C[Ooops !!]) (;B[bo];W[dr];B[fq];W[ep]C[Ooops !!]))) (;B[is];W[ar]C[Ooops !!]))) (;B[er];W[dr] (;B[ar];W[fq]C[Ooops !!]) (;B[fq];W[ds] (;B[ep];W[fs] (;B[cp];W[bs]C[Ooops !!]) (;B[ar];W[cp]C[Ooops !!])) (;B[fs];W[fr]C[Ooops !!]) (;B[cp];W[fs]C[Ooops !!]) (;B[ap];W[fs]C[Ooops !!] (;B[cp];W[ep]C[Ooops !!]) (;B[ep];W[cp]C[Ooops !!]))) (;B[cp];W[bs];B[ar];W[ap];B[ar];W[aq] (;B[fq];W[ds]C[Ooops !!]) (;B[ep];W[fq]C[Ooops !!])) (;B[ep];W[bs];B[ar];W[ap];B[ar];W[aq] (;B[fq];W[ds]C[Ooops !!]) (;B[cp];W[fq]C[Ooops !!])) (;B[is] (;W[fq];B[fs];W[bs]) (;W[ds]C[CHOICE];B[fs];W[gs]C[Ooops !! (Thx BartTM)]))) (;B[ap] (;W[er]C[CHOICE] (;B[fs];W[ds];B[fs]C[Well done, once again !RIGHT]) (;B[dr];W[ds]C[Ooops !!]) (;B[ds];W[dr]C[Ooops !!]) (;B[is];W[fs] (;B[dr];W[ds]C[Ooops !!]) (;B[ds];W[dr]C[Ooops !!]))) (;W[fs]C[CHOICE] (;B[dr]C[Well done, once again !!RIGHT]) (;B[ds];W[dr]C[Ooops !!]) (;B[er];W[dr] (;B[is];W[fq] (;B[ep];W[gp] (;B[gq];W[cp]C[Ooops !!]) (;B[cp];W[gq]C[Ooops !!])) (;B[cp];W[gp] (;B[gq];W[ep]C[Ooops !!]) (;B[ep];W[gq]C[Ooops !!]))) (;B[fq];W[ds] (;B[cp];W[ep]C[Ooops !!]) (;B[ep];W[cp]C[Ooops !!]))) (;B[fq];W[dr]C[Ooops !!]) (;B[is];W[dr]C[Ooops !!])) (;W[dr];B[fs]C[RIGHT]) (;W[ds];B[fs];W[er];B[fs]C[Well done, once again !RIGHT])) (;B[dr];W[bs] (;B[ar];W[ap] (;B[ar];W[aq] (;B[fs];W[er];B[is]) (;B[er];W[fq] (;B[gp];W[fs]C[Ooops !!]) (;B[fs];W[gp]C[Ooops !!]) (;B[is];W[gp]C[Ooops !!])) (;B[fq];W[er]C[Ooops !!])) (;B[fs];W[ar]C[Ooops !!])) (;B[fs];W[ar]C[Ooops !!])) (;B[ds];W[er] (;B[fs];W[dr]C[Ooops !!]) (;B[is];W[fs];B[dr];W[bs]C[Ooops !!]) (;B[dr];W[bs]C[Ooops !!])) (;B[is];W[bs] (;B[fs];W[ar]C[Ooops !!]) (;B[ar];W[ap] (;B[fs];W[ar]C[Ooops !!]) (;B[ar];W[aq] (;B[fs];W[er] (;B[ds];W[dr]C[Ooops !!]) (;B[dr];W[ds]C[Ooops !!]) (;B[cp];W[ep] (;B[ds];W[dr]C[Ooops !!]) (;B[dr];W[ds]C[Ooops !!])) (;B[ep];W[cp]C[Ooops !!])) (;B[er];W[dr] (;B[fq];W[cp] (;B[bo];W[ep]C[Ooops !!]) (;B[ep];W[bo]C[Ooops !!])) (;B[fs];W[cp] (;B[ep];W[bo]C[Ooops !!]) (;B[bo];W[ep]C[Ooops !!])) (;B[ep];W[ds];B[fs];W[gs]C[Ooops !!]) (;B[cp];W[ds];B[fs];W[gs]C[Ooops !!]))))))