invalid problem set
Problem | 21188 |
Created | 2016-05-13 |
Source | Game on KGS (slightly modified). |
Rating | |
Difficulty | 5.1 dan |
Average Solve Time | 119 secs |
User Attempts |
69 / 319 |
Solve Ratio Rating | 2 kyu |
| rating history |
(;AB[rb]AB[rc]AB[qc]AB[pc]AB[pb]AB[nd]AB[od]AB[mb]AB[mc]AB[me]AW[pd]AW[qd]AW[rd]AW[sd]AW[sc]AW[oc]AW[ob]AW[qa]AW[qf]TR[qa]TR[ob]TR[oc]C[White tried to trick Black with R19. Black to capture the 3 marked stones !]AP[goproblems]
(;B[ra]
(;W[pa]
(;B[nb];W[sb]
(;B[nc];W[oa]
(;B[na]C[Well done !RIGHT])
(;B[qb];W[sa]C[Ooops !!]))
(;B[oa]C[Not necessary...];W[na]
(;B[nc];W[oa]
(;B[ma]C[Well done !RIGHT];W[sa];B[qb]C[RIGHT])
(;B[qb];W[sa]C[Ooops !!]))
(;B[qb];W[sa]C[Ooops !!])
(;B[ma];W[sa]C[Ooops !!]))
(;B[qb];W[sa]C[Ooops !!]))
(;B[na];W[sb]
(;B[qb];W[sa]C[Ooops !!])
(;B[oa];W[sa]
(;B[qb];W[pa]
(;B[qa];W[pa]C[Ooops !!])
(;B[nc];W[qa]C[Ooops !!])
(;B[nb];W[qa]C[Ooops !!]))
(;B[nb];W[qb]C[Ooops !!])
(;B[nc];W[qb]C[Ooops !!]))
(;B[nb];W[sa]C[Ooops !!])
(;B[nc];W[sa]C[Ooops !!]))
(;B[oa]C[Not necessary...];W[na]
(;B[sb];W[oa]
(;B[qb];W[sa]C[Ooops !!])
(;B[ma];W[qb]C[Ooops !!])
(;B[nb];W[qb]C[Ooops !!])
(;B[nc];W[qb]C[Ooops !!]))
(;B[ma];W[sb]
(;B[nb];W[sa]C[Ooops !!])
(;B[nc];W[sa]C[Ooops !!])
(;B[qb];W[sa]C[Ooops !!])
(;B[sa];W[qb]C[Ooops !!]))
(;B[qb];W[sb];B[oa];W[pa]C[Ooops !!])
(;B[nb];W[sb]
(;B[nc];W[oa]
(;B[ma]C[Well done !RIGHT])
(;B[qb];W[sa]C[Ooops !!]))
(;B[qb];W[sa]C[Ooops !!])
(;B[ma]))
(;B[nc];W[sb]
(;B[nb];W[oa];B[ma]C[RIGHT];W[sa];B[qb]C[RIGHT])
(;B[ma];W[sa]C[Ooops !!])))
(;B[sb];W[oa]
(;B[na];W[qb]C[Ooops !!])
(;B[nb];W[qb]C[Ooops !!])
(;B[nc]C[];W[qb]C[Ooops !!])
(;B[qb];W[sa]C[Ooops !!]))
(;B[nc];W[oa]
(;B[sb];W[qb]C[Ooops !!])
(;B[qb];W[sb]C[Ooops !!])
(;B[nb];W[sb]
(;B[na]C[Well done !RIGHT])
(;B[qb];W[sa]C[Ooops !!]))))
(;W[oa]
(;B[pa];W[sb]C[Ooops !!])
(;B[nc];W[sb]
(;B[nb];W[sa];B[na]C[Well done !RIGHT])
(;B[na];W[sa];B[nb]C[RIGHT])
(;B[pa];W[sa]C[Ooops !!]))
(;B[nb];W[sb]
(;B[pa];W[sa]C[Ooops !!])
(;B[nc];W[sa];B[na]C[Well done !RIGHT])
(;B[na];W[sa];B[nc]C[RIGHT]))
(;B[na];W[sb]
(;B[nb];W[sa];B[nc]C[RIGHT])
(;B[nc];W[sa];B[nb]C[RIGHT])
(;B[pa];W[sa]C[Ooops !!]))
(;B[sb];W[pa]
(;B[na];W[qb]C[Ooops !!])
(;B[nb];W[qb]C[Ooops !!])
(;B[nc]C[];W[qb]C[Ooops !!])
(;B[qb];W[sa]C[Ooops !!]))))
(;B[sb];W[pa]
(;B[ra];W[oa]
(;B[na];W[qb]C[Ooops !!])
(;B[nb];W[qb]C[Ooops !!])
(;B[nc]C[];W[qb]C[Ooops !!])
(;B[qb];W[sa]C[Ooops !!]))
(;B[oa];W[na];B[ra];W[oa]
(;B[qb];W[sa]C[Ooops !!])
(;B[ma];W[qb]C[Ooops !!])
(;B[nb];W[qb]C[Ooops !!])
(;B[nc];W[qb]C[Ooops !!]))
(;B[na];W[oa]
(;B[ra];W[qb]C[Ooops !!])
(;B[nb];W[ra];B[nc]C[Seki !!])
(;B[nc];W[ra];B[nb]))
(;B[nb];W[oa]
(;B[ra];W[qb]C[Ooops !!])
(;B[na];W[ra];B[nc]C[Seki !!])
(;B[nc];W[ra];B[na])))
(;B[pa];W[sb]
(;B[oa];W[ra]C[White saved some stones !!])
(;B[na];W[ra]C[White saved some stones !!])
(;B[nb];W[ra]C[White saved some stones !!])
(;B[nc];W[ra]C[White saved some stones !!])
(;B[ra];W[oa]))
(;B[oa]
(;W[pa]
(;B[na];W[sb]
(;B[ra];W[sa]
(;B[qb];W[pa]
(;B[qa];W[pa]C[Ooops !!])
(;B[nc];W[qa]C[Ooops !!])
(;B[nb];W[qa]C[Ooops !!]))
(;B[nb];W[qb]C[Ooops !!])
(;B[nc];W[qb]C[Ooops !!]))
(;B[qb];W[ra]C[Ooops !!])
(;B[sa];W[ra]C[Ooops !!])
(;B[nc];W[ra]C[White saved some stones !!])
(;B[nb];W[ra]C[White saved some stones !! (thx elentarwon for this variation)]))
(;B[nb];W[na]
(;B[nc];W[oa]
(;B[sb];W[ra];B[ma]C[Seki !!])
(;B[ra];W[sb];B[ma]C[RIGHT];W[sa];B[qb]C[RIGHT])
(;B[ma];W[ra]
(;B[sa];W[sb]C[Ooops !!])
(;B[sb])))
(;B[ma];W[sb]
(;B[ra];W[sa]C[Ooops !!])
(;B[nc];W[ra]C[Ooops !!]))
(;B[sb];W[ra]
(;B[nc];W[oa];B[ma]C[Seki !!])
(;B[ma];W[oa];B[nc]))
(;B[sa];W[ra]C[Ooops !!])
(;B[ra];W[sb];B[nc];W[oa];B[ma]C[RIGHT];W[sa];B[qb]C[RIGHT]))
(;B[nc];W[na]
(;B[sb];W[ra]
(;B[nb];W[oa];B[ma]C[Seki !!])
(;B[ma];W[sa]C[Ooops !!]))
(;B[ra];W[sb]
(;B[nb])
(;B[ma]))
(;B[sa];W[ra]C[Ooops !!]))
(;B[sb];W[na];B[ra])
(;B[ra];W[na]
(;B[nb];W[sb];B[nc];W[oa];B[ma]C[RIGHT];W[sa];B[qb]C[RIGHT])
(;B[nc];W[sb]
(;B[nb])
(;B[ma]))))
(;W[sb]
(;B[ra];W[pa];B[nb];W[na]
(;B[nc];W[oa]
(;B[ma]C[Well done !RIGHT])
(;B[qb];W[sa]C[Ooops !!]))
(;B[qb];W[sa]C[Ooops !!])
(;B[ma]))
(;B[nb];W[ra]C[Ooops !!])
(;B[nc];W[ra]C[Ooops !!])
(;B[pa];W[ra])))
(;B[nb];W[ra]
(;B[sb];W[pa]
(;B[nc];W[oa];B[na])
(;B[na];W[oa];B[nc]C[Seki !!])
(;B[oa];W[na]
(;B[nc];W[oa])
(;B[ma];W[oa];B[nc])))
(;B[oa];W[sb])
(;B[pa];W[sb])
(;B[nc];W[sb]C[Ooops !!]))
(;B[nc];W[ra]
(;B[oa];W[sb]C[])
(;B[nb];W[sb]C[Ooops !!])
(;B[pa];W[sb])
(;B[sb];W[pa]
(;B[na];W[oa];B[nb])
(;B[nb];W[oa];B[na])
(;B[oa];W[na]
(;B[nb];W[oa])
(;B[ma];W[sa]C[Ooops !!]))))
(;B[na];W[pa];B[oa];W[sb]
(;B[ra])
(;B[qb];W[ra]C[Ooops !!])
(;B[sa];W[ra]C[Ooops !!])
(;B[nc];W[ra]C[White saved some stones !!])
(;B[nb];W[ra]C[White saved some stones !! (thx elentarwon for this variation)]))
(;B[sa];W[ra];B[sb];W[pa]C[Ooops !!]))
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