invalid problem set
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life and death
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Problem | 801 |
Created | 2001-06-29 |
Source | Game with Noriyuki Nakayama |
Rating | |
Difficulty | 12.9 kyu |
Average Solve Time | 44 secs |
User Attempts |
4799 / 12676 |
Solve Ratio Rating | 6 kyu |
| rating history |
From a 3-on-1 game at a Go Congress. I missed the answer in the game... of course.
(;C[Black to play and live.]SZ[13]AB[ec]AB[ic]AB[hd]AB[ge]AB[fe]AB[fd]AB[fc]AB[gc]AB[hc]AW[jc]AW[jb]AW[id]AW[je]AW[dc]AW[db]AW[he]AW[hf]AW[gf]AW[ff]AW[ee]AW[ed]AW[tt]PL[B]GM[1]FF[4]VW[]AP[Many Faces of Go:10.0]HA[0]ST[0]KM[5.5]
(;B[ga];W[ha]
(;B[ia];W[fa]
(;B[hb];W[fb]
(;B[gb]C[RIGHT])
(;B[eb]C[RIGHT])
(;B[ib]C[RIGHT]))
(;B[ea];W[gb]
(;B[fb];W[ib];B[hb]C[RIGHT])
(;B[hb]
(;W[fb];B[eb]C[RIGHT])
(;W[ib];B[fb]C[RIGHT]))
(;B[eb];W[ib];B[hb]C[RIGHT])
(;B[ib];W[eb];B[fb]C[RIGHT];W[ga];B[hb];W[ga]))
(;B[fb]C[RIGHT]))
(;B[hb];W[fb];B[eb];W[ea]
(;B[ia];W[fa]
(;B[gb];W[da];B[ib]C[RIGHT])
(;B[ib]C[RIGHT]))
(;B[fa];W[gb];B[fa];W[ga];B[ia];W[da];B[fa];W[ga];B[fb]C[RIGHT])
(;B[gb]C[RIGHT])
(;B[ib]C[RIGHT]))
(;B[fa];W[eb]
(;B[hb];W[fb]C[WRONG])
(;B[ia];W[fb]))
(;B[ib];W[ea];B[ia];W[gb];B[hb];W[fb];B[eb]C[RIGHT])
(;B[eb];W[gb]
(;B[fb];W[fa];B[ia];W[ib];B[hb];W[ja];B[ea]C[RIGHT])
(;B[hb];W[fa]
(;B[fb];W[ia];B[ga]C[Ko])
(;B[ea];W[ia]C[WRONG])
(;B[ia]
(;W[ga];B[ea]C[RIGHT])
(;W[ib];B[fb]C[RIGHT];W[ja];B[ea]C[RIGHT]))))
(;B[ja];W[ib];B[hb];W[ea];B[fa];W[fb];B[ia];W[eb];B[kb];W[kc];B[lb]C[RIGHT]))
(;B[fa];W[eb]C[WRONG];B[fb];W[ha];B[hb];W[ga];B[ia];W[ib])
(;B[eb];W[ga]
(;B[gb];W[fa];B[ha];W[ib]C[WRONG])
(;B[ha]C[RIGHT])
(;B[ib];W[ia];B[ha]
(;W[hb]
(;B[gb];W[fa]C[WRONG];B[ha]C[];W[ja]
(;B[ea];W[hb]C[Ko])
(;B[fb];W[hb]C[Ko])
(;B[hb];W[ea])
(;B[da];W[hb]C[Ko]))
(;B[fa];W[gb];B[fb]C[RIGHT]))
(;W[ea];B[fa];W[fb];B[gb];W[hb];B[fa]C[Alive with double koRIGHT]))
(;B[fa]C[RIGHT]))
(;B[ib]
(;W[ga]
(;B[fa]C[RIGHT];W[ha];B[gb];W[eb]C[WRONG])
(;B[ha]C[RIGHT]))
(;W[eb];B[ga]C[RIGHT]))
(;W[ga];B[ha];W[ia];B[fa];W[hb];B[gb];W[eb];B[ib];W[ha];B[ja];W[ha];B[ia]C[RIGHT])
(;W[tt]C[Black to play and live.]
(;B[eb];W[ga];B[ib];W[gb]
(;B[ha];W[ea];B[fa];W[fb];B[hb]C[RIGHT])
(;B[fa];W[ia];B[ha];W[hb];B[fb]C[RIGHT]))
(;B[ib];W[ga];B[eb]C[RIGHT];W[gb]
(;B[ha];W[ea];B[fa];W[fb];B[hb]C[RIGHT])
(;B[fa];W[ia];B[ha];W[hb];B[fb]C[RIGHT])))
(;B[ha];W[ib]C[WRONG];B[hb];W[fa])
(;B[gb];W[ga]
(;B[ha];W[ib]
(;B[eb];W[fa])
(;B[hb];W[eb];B[fb];W[fa];B[ea];W[fa])
(;B[fa];W[eb]))
(;B[ib];W[ha];B[ia];W[fa])
(;B[fa];W[eb]
(;B[ha];W[ib])
(;B[ib];W[ha])
(;B[fb];W[ha];B[ia];W[ib];B[hb];W[ha]))
(;B[eb];W[fa];B[ha];W[ib]C[WRONG])))
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