invalid problem set
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life and death
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+3
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Problem | 580 |
Created | 2001-05-09 |
Source | |
Rating | |
Difficulty | 2.1 kyu |
Average Solve Time | 52 secs |
User Attempts |
1037 / 5155 |
Solve Ratio Rating | 1 kyu |
| rating history |
(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[19]KM[5.50]TM[]
GN[White (W) vs. Black (B)]PW[White]PB[Black]DT[1999-07-28]SY[Cgoban 1.9.2]
;AW[lp][mp][lq][nq][oq][pq][rq][lr][or][qr][rr]AB[ko][lo][mo][jp][np][op][pp][qp][rp][jq][mq][qq][sq][jr][mr][pr][sr]C[black to kill
]
(;B[ps]
;W[os]
(;B[ls]
;W[ks]
(;B[ms]C[RIGHT
black wins the liberty race
])
(;B[kr]
;W[ms]))
(;B[ms]
;W[ls])
(;B[ns]
;W[qs])
(;B[nr]
;W[qs])
(;B[kr]
;W[ms])
(;B[ks]
;W[ms]))
(;B[ls]
;W[ks]
(;B[ms]
;W[ns]
(;B[ps]
;W[kr]C[living shape
])
(;B[kr]
;W[nr]
(;B[ps]
;W[os])
(;B[ls]
;W[ps])))
(;B[ps]
;W[ms]))
(;B[ms]
;W[ls]
(;B[ps]
;W[os]CR[os])
(;B[os]
;W[ps]))
(;B[nr]
;W[ps])
(;B[rs]
;W[ps])
(;B[qs]
;W[ps])
(;B[ns]
;W[ps]
(;B[ls]
;W[nr])
(;B[os]
;W[ls]))
(;B[kr]
;W[ms]))
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