invalid problem set
Problem | 23048 |
Created | 2021-03-12 |
Source | |
Rating | |
Difficulty | 5.6 kyu |
Average Solve Time | 39 secs |
User Attempts |
77 / 244 |
Solve Ratio Rating | 4 kyu |
| rating history |
(;FF[4]GM[1]CA[UTF-8]AP[besogo:0.0.2-alpha]SZ[19]ST[0]
AB[or][pq][ps][qq][qr][rs]AW[nr][ns][op][oq][pp][qp][ro][sr]
C[B to move]
(;B[os]
;W[rr]
(;B[rq]
;W[sq]
(;B[sp]
C[Right! RIGHT])
(;B[rp]
;W[sp]))
(;B[sq]
;W[rq])
(;B[rp]
;W[sp])
(;B[sp]
;W[rq]))
(;B[rq]
;W[os]
(;B[rp]
;W[pr]SQ[or]LB[rn:A]
C[Ko! But B can threaten to escape.])
(;B[sq]
;W[pr]SQ[qs]
C[ko!])
(;B[sp]
;W[pr]SQ[or]
C[ko!]))
(;B[rr]
;W[os]
(;B[sq]
;W[rp]
(;B[rq]
;W[pr]SQ[or]
C[ko!])
(;B[pr]
;W[rq]))
(;B[rp]
;W[sp])
(;B[rq]
;W[sq]TR[rp][sp])
(;B[sp]
;W[rp]TR[rq][sq])
(;B[pr]
;W[sq]))
(;B[sq]
;W[os]
(;B[rp]
;W[pr]SQ[or]TR[rn][so]
C[This is a bit complex more complex with B having some local continuation as for threats but it's still a ko!])
(;B[rq]
;W[pr]SQ[or]
C[ko!])
(;B[rr]
;W[rp]
(;B[rq]
;W[pr]SQ[or]
C[ko!])
(;B[pr]
;W[rq]))
(;B[pr]
;W[rq]))
(;B[rp]
;W[sp]TR[os][rr])
(;B[sp]
;W[rq]TR[os][rr]LB[rp:1][so:2])
(;B[ol]
C[NOTTHIS]))
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