Problem 12051 goproblems.com


Author	Lok	Created	2008-12-13
Difficulty	7 dan (history)	Source	N/A
AVG solve time	102 sec	Stars	4.67 (3 votes)
User attempts	51 / 238	Collections	Side based, Self made
Genre	life and death	Your attempts	N/A
Similar problems
Created	2008-12-13
Source	N/A
Stars	4.67 (3 votes)
Collections	Side based, Self made
Your attempts	N/A

(;SZ[19]AW[qm]AW[nn]AW[on]AW[pn]AW[mo]AW[qo]AW[ro]AW[mp]AW[rp]AW[sp]AW[mq]AW[nr]AW[qs]AB[oo]AB[qp]AB[qq]AB[rq]AB[sq]AB[rr]AB[rs]LB[rl:T]C[Black to try to live. Play at T, if black is dead as it stand.]GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]KM[0.00] (;B[oq] (;W[pr]C[CHOICE] (;B[or];W[os] (;B[pq];W[ns] (;B[po];W[op] (;B[np];W[nq]) (;B[nq];W[mr] (;B[np]C[CorrectRIGHT]) (;B[qr]C[NOTTHIS])) (;B[qr]C[NOTTHIS])) (;B[nq];W[mr] (;B[po]C[CorrectRIGHT]) (;B[qr]C[NOTTHIS])) (;B[qr]C[NOTTHIS])) (;B[po];W[pq] (;B[pp];W[nq] (;B[op];W[ns]) (;B[qr];W[op])) (;B[qr];W[op])) (;B[nq];W[mr] (;B[pq];W[ns] (;B[po]C[CorrectRIGHT]) (;B[qr]C[NOTTHIS])) (;B[qr]C[NOTTHIS])) (;B[qr]C[NOTTHIS])) (;B[po];W[or];B[pq];W[op];B[np];W[nq] (;B[pp];W[no]) (;B[no];W[pp])) (;B[pq];W[or];B[po];W[op];B[np];W[nq] (;B[pp];W[no]) (;B[no];W[pp])) (;B[nq];W[or]) (;B[qr];W[or])) (;W[ps]C[CHOICE] (;B[or];W[os] (;B[po];W[op] (;B[np];W[nq] (;B[pp];W[pr]) (;B[pr];W[pp];B[pq];W[op])) (;B[nq];W[np] (;B[mr];W[pq]C[Oups, almost there...]) (;B[pr];W[mr] (;B[pp]C[CorrectRIGHT]) (;B[qr];W[ns];B[pp]C[Correct.RIGHT]))) (;B[pr];W[pp]) (;B[pp];W[pr] (;B[np];W[nq]) (;B[nq];W[np]))) (;B[np];W[pr] (;B[pp];W[nq]TR[op]C[False eye]) (;B[pq];W[po]TR[op]C[False eye])) (;B[pr];W[pp]) (;B[pp];W[pr];B[np];W[nq]TR[op]C[False eye]) (;B[nq];W[mr] (;B[po];W[pr];B[pq]C[CorrectRIGHT]) (;B[pr];W[pp]) (;B[np];W[pr];B[pp];W[pq]) (;B[pp];W[pr];B[np];W[pq]))) (;B[po];W[op] (;B[np];W[nq] (;B[pp];W[pr]TR[op]C[false eye]) (;B[pr];W[pp];B[pq];W[op]TR[op]TR[ps]C[Both triangle are false eye.])) (;B[or];W[os] (;B[np];W[nq] (;B[pp];W[pr]) (;B[pr];W[pp];B[pq];W[op])) (;B[nq];W[np] (;B[mr];W[pq]C[Oups, almost there...]) (;B[pr];W[mr] (;B[pp]C[CorrectRIGHT]) (;B[qr];W[ns];B[pp]C[Correct.RIGHT]))) (;B[pr];W[pp]) (;B[pp];W[pr] (;B[np];W[nq]) (;B[nq];W[np]))) (;B[pp];W[pr];B[np];W[nq]TR[op]C[False eye]) (;B[pr];W[pp];B[os];W[or]TR[ps]C[False eye])) (;B[pr];W[pp];B[os];W[or];B[qr];W[ps]) (;B[nq];W[or]) (;B[op];W[pr])) (;W[np];B[pr];W[ps];B[pp]) (;W[po];B[pr];W[ps];B[pp]) (;W[op];B[pr];W[ps];B[pp]) (;W[or];B[pr];W[ps];B[pp]) (;W[pp];B[pq] (;W[or];B[po]) (;W[po];B[ps];W[pr];B[or];W[os];B[qr]))) (;B[pr];W[ps] (;B[or];W[os] (;B[nq];W[oq]) (;B[oq];W[pp]) (;B[op];W[oq]) (;B[po];W[oq]) (;B[np];W[oq])) (;B[oq];W[pp];B[os];W[or]) (;B[os];W[or] (;B[oq];W[pp];B[qr];W[ps]) (;B[qr];W[ps];B[oq];W[pp]))) (;B[ps];W[pr] (;B[oq];W[or]) (;B[qr];W[or]) (;B[or];W[oq])) (;B[or]C[];W[os] (;B[oq];W[ps] (;B[po];W[op] (;B[np];W[nq] (;B[pp];W[pr]) (;B[pr];W[pp];B[pq];W[op])) (;B[nq];W[np] (;B[mr];W[pq]C[Oups, almost there...]) (;B[pr];W[mr] (;B[pp]C[CorrectRIGHT]) (;B[qr];W[ns];B[pp]C[Correct.RIGHT]))) (;B[pr];W[pp]) (;B[pp];W[pr] (;B[np];W[nq]) (;B[nq];W[np]))) (;B[np];W[pr] (;B[pp];W[nq]TR[op]C[False eye]) (;B[pq];W[po]TR[op]C[False eye])) (;B[pr];W[pp]) (;B[pp];W[pr];B[np]) (;B[nq];W[mr] (;B[po];W[pr];B[pq]C[CorrectRIGHT]) (;B[pr];W[pp]) (;B[np];W[pr];B[pp];W[pq]) (;B[pp];W[pr];B[np]))) (;B[pr];W[ps] (;B[nq];W[oq]) (;B[oq]) (;B[op];W[oq]) (;B[po];W[oq]) (;B[np];W[oq])) (;B[ps];W[pr];B[oq];W[np])) (;B[os];W[or] (;B[pr];W[ps] (;B[oq];W[pp];B[qr];W[ps]) (;B[qr];W[ps];B[oq];W[pp])) (;B[oq];W[pr])) (;B[pq];W[or]) (;B[op];W[oq];B[pr];W[ps];B[os];W[or]) (;B[pp];W[oq];B[pr];W[ps];B[os];W[or]) (;B[po];W[oq];B[pr];W[ps];B[os];W[or]) (;B[rl]C[Black can live.]))