invalid problem set
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life and death
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Problem | 1329 |
Created | 2002-02-08 |
Source | Japanese Booklet |
Rating | |
Difficulty | 8 dan |
Average Solve Time | 49 secs |
User Attempts |
294 / 2827 |
Solve Ratio Rating | 3 dan |
| rating history |
(;AB[os][ns][ms][mr][nr][or][nq][np][op][po][qo][qp][qn][pm][ql]AW[oq][pq][pp][qq][oo][on][pn][no][mo][mp][mq][lq][lr]C[Black to play]
(;B[rq];W[qr]
(;B[qs]
(;W[rr];B[sr];W[rp];B[rs];W[sq];B[pr]C[Ko RIGHT])
(;W[rs];B[pr];W[rr];B[sr]C[Still ko RIGHT]))
(;B[rr];W[ps]))
(;B[qr];W[rq]
(;B[rr];W[pr];B[ps];W[qs];B[rs];W[ls];B[qs];W[sr])
(;B[pr];W[rr])))
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