invalid problem set
Problem 265
Created 2000-11-06
Source jiang mingjiu
Rating
Difficulty 1.5 kyu
Average Solve Time 36 secs
User Attempts
908 / 4913
Solve Ratio Rating 1 kyu
rating history
during a lession with ming jiu, he popped this deceptively tricky life and death puzzle in front of us to solve on the spot. only managed the obvious ko before he showed us the answer.
(;GM[1]FF[3]
SZ[19]KM[0.5]
PW[pakpakpak]
WR[4k*]
PB[adum]
BR[5k*]
DT[2000-10-31]
SY[Cgoban 1.9.8];AW[ip][cq][dq][eq][ar][br][fr][ir]
AB[bp][cp][dp][ep][bq][fq][gq][gr]
(;B[ds]
(;W[er]
(;B[es];W[fs]
(;B[cr]C[RIGHT
yeah, baby
])
(;B[gs];W[cs]
(;B[cr];W[dr])
(;B[dr];W[cr])
)
)
(;B[fs];W[es]
(;B[cr];W[gs]
(;B[hs];W[hr]C[ko
])
(;B[hr];W[hs])
(;B[dr];W[cs])
(;B[bs];W[hr]
C[you've only captured two stones, sonny (and in gote if white will play ko)
])
)
(;B[gs];W[cs]
(;B[dr];W[cr])
(;B[cr];W[dr])
)
)
(;B[cr];W[dr];B[cs];W[bs])
(;B[cs];W[cr]
(;B[fs];W[es]
(;B[bs]C[seki
])
(;B[gs];W[bs])
)
(;B[es];W[fs])
)
(;B[bs];W[cr];B[cs];W[fs])
)
(;W[dr]C[no good for white
];B[fs]
(;W[es];B[er])
(;W[er];B[es])
)
)
(;B[er];W[dr]
(;B[fs];W[ds]
(;B[bs];W[cs])
(;B[cs];W[bs])
)
(;B[es];W[ds];B[fs];W[cs])
)
(;B[cr];W[dr]
(;B[cs];W[bs]
(;B[ds];W[es])
(;B[es];W[ds])
)
(;B[ds];W[cs])
)
(;B[fs];W[ds]
(;B[er];W[dr];B[cs];W[bs])
(;B[es];W[dr])
)
(;B[cs];W[es]
(;B[cr];W[dr]
(;B[bs];W[ds];B[aq];W[as];B[cs];W[fs])
(;B[gs];W[bs];B[fs];W[ds])
)
(;B[ds];W[dr]
(;B[bs];W[cr]
(;B[gs];W[as]
(;B[cs];W[fs])
(;B[fs];W[cs]C[ko
])
)
(;B[aq];W[as])
)
(;B[gs];W[bs];B[fs];W[cr];B[er];W[ds])
)
(;B[bs];W[cr]
(;B[dr];W[ds])
(;B[ds];W[dr];B[gs];W[as]
(;B[cs];W[fs])
(;B[fs];W[cs]C[ko
])
)
)
(;B[gs];W[bs]
(;B[ds];W[dr])
(;B[fs];W[ds]
(;B[dr];W[cr];B[er];W[fr])
(;B[cr];W[dr])
(;B[er];W[cr])
)
)
(;B[dr];W[cr]
(;B[ds];W[bs])
(;B[bs];W[ds])
(;B[gs];W[bs];B[fs];W[ds];B[er];W[fr])
)
)
(;B[es];W[ds]
(;B[dr];W[er]
(;B[cs];W[cr]
(;B[ds];W[bs])
(;B[fs];W[bs])
)
(;B[fs];W[gs])
)
(;B[er];W[dr]
(;B[cs];W[fs])
(;B[fs];W[cs])
)
)
(;B[dr];W[er]
(;B[cr];W[ds])
(;B[es];W[fs]
(;B[ds];W[cr])
(;B[cr];W[ds]
(;B[gs];W[cs])
(;B[cs];W[bs])
)
)
)
)
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