Problem 20785 goproblems.com


Author	trineutron	Created	2016-03-04
Difficulty	3 dan (history)	Source	N/A
AVG solve time	59 sec	Stars	3.67 (3 votes)
User attempts	114 / 529	Collections	Semeai / Capturing Race, Self made
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2016-03-04
Source	N/A
Stars	3.67 (3 votes)
Collections	Semeai / Capturing Race, Self made
Your attempts	N/A

(;AB[rq]AB[qp]AB[pp]AB[op]AB[oq]AB[nq]AB[mq]AB[lq]AB[lr]AB[ls]AW[mr]AW[nr]AW[or]AW[pq]AW[qq]AW[rp]AW[qo]AW[so]AW[ro]AW[pn]AP[goproblems] (;B[rr];W[pr] (;B[rs];W[sq] (;B[ms];W[sr] (;B[ns];W[qs];B[os];W[sp];B[ps]C[RIGHT]) (;B[qs];W[ps];B[ns];W[sp];B[os]C[RIGHT]) (;B[ps];W[os] (;B[qs];W[sp];B[ns]C[RIGHT]) (;B[qr];W[qs]C[Ko. You can do better.]) (;B[ns];W[qs]))) (;B[qs];W[ps] (;B[ms];W[sr];B[ns];W[sp];B[os]C[RIGHT]) (;B[ns];W[ms];B[qr]C[RIGHT])) (;B[ps];W[qs] (;B[qr];W[os] (;B[ms];W[qs];B[ns]C[RIGHT]) (;B[ns];W[qs];B[ms]C[RIGHT])) (;B[os];W[ns] (;B[qr];W[sr];B[ps];W[sp];B[ms]C[RIGHT]) (;B[ps];W[os] (;B[qr];W[sr];B[ps]C[Ko. You can do better.]) (;B[sr];W[sp];B[ms]C[Seki. You can do better.]))) (;B[ms];W[os] (;B[qr];W[sr];B[ps]C[Ko. You can do better.]) (;B[sr];W[sp];B[ns]C[Seki. You can do better.])))) (;B[ms];W[rs] (;B[qs];W[sq] (;B[ss];W[sp] (;B[ns];W[sr] (;B[os];W[rs]C[Ko. You can do better.]) (;B[ps];W[rs]C[Ko. You can do better.]) (;B[qr];W[rs]C[Ko. You can do better.])) (;B[ps];W[sr] (;B[ns];W[rs]C[Ko. You can do better.]) (;B[os];W[rs]C[Ko. You can do better.]) (;B[qr];W[rs]C[Ko. You can do better.])) (;B[qr];W[sr] (;B[ns];W[rs]C[Ko. You can do better.]) (;B[ps];W[rs]C[Ko. You can do better.]))) (;B[ns];W[sr];B[ss];W[sp] (;B[os];W[rs]C[Ko. You can do better.]) (;B[ps];W[rs]C[Ko. You can do better.]) (;B[qr];W[rs]C[Ko. You can do better.])) (;B[ps];W[sr];B[ss];W[sp] (;B[ns]) (;B[os];W[rs]C[Ko. You can do better.]) (;B[qr];W[rs]C[Ko. You can do better.])) (;B[qr];W[sr];B[ss];W[sp] (;B[ns]) (;B[ps]))) (;B[ns];W[sq];B[qs];W[sr];B[ss];W[sp]) (;B[ps];W[sq];B[qs];W[sr];B[ss];W[sp]) (;B[qr];W[sq];B[qs];W[sr];B[ss];W[sp])) (;B[qs];W[rs] (;B[ms];W[sq] (;B[ss];W[sp] (;B[ns];W[sr] (;B[os];W[rs]C[Ko. You can do better.]) (;B[ps];W[rs]C[Ko. You can do better.]) (;B[qr];W[rs]C[Ko. You can do better.])) (;B[ps];W[sr] (;B[ns]) (;B[os];W[rs]C[Ko. You can do better.]) (;B[qr];W[rs]C[Ko. You can do better.])) (;B[qr];W[sr] (;B[ns]) (;B[ps]))) (;B[ns];W[sr];B[ss];W[sp]) (;B[ps];W[sr];B[ss];W[sp]) (;B[qr];W[sr];B[ss];W[sp])) (;B[ss];W[sq] (;B[ms];W[sp] (;B[ns];W[sr] (;B[os];W[rs]C[Ko. You can do better.]) (;B[ps];W[rs]C[Ko. You can do better.]) (;B[qr];W[rs]C[Ko. You can do better.])) (;B[ps];W[sr] (;B[ns]) (;B[os];W[rs]C[Ko. You can do better.]) (;B[qr];W[rs]C[Ko. You can do better.])) (;B[qr];W[sr] (;B[ns]) (;B[ps]))) (;B[ps];W[sp] (;B[ms];W[sr] (;B[ns]) (;B[os];W[rs]C[Ko. You can do better.]) (;B[qr];W[rs]C[Ko. You can do better.])) (;B[os];W[sr] (;B[ms];W[rs]C[Ko. You can do better.]) (;B[ns];W[rs]C[Ko. You can do better.]) (;B[qr];W[rs]C[Ko. You can do better.])) (;B[qr];W[sr] (;B[ms];W[rs]C[Ko. You can do better.]) (;B[os];W[rs]C[Ko. You can do better.]))) (;B[qr];W[sp] (;B[ms];W[sr] (;B[ns]) (;B[ps])) (;B[ps];W[sr] (;B[ms]) (;B[os])))) (;B[qr];W[sq] (;B[ms];W[sr];B[ss];W[sp]) (;B[ps];W[sr];B[ss];W[sp] (;B[ms]) (;B[os])) (;B[ss];W[sp] (;B[ms]) (;B[ps]))) (;B[ps];W[sq] (;B[ms];W[sr];B[ss];W[sp]) (;B[qr];W[sr];B[ss];W[sp]) (;B[os];W[sr];B[ss];W[sp] (;B[ms]) (;B[ns];W[rs]C[Ko. You can do better.]) (;B[qr];W[rs]C[Ko. You can do better.])) (;B[ss];W[sp] (;B[ms]) (;B[os];W[sr] (;B[ms]) (;B[ns];W[rs]C[Ko. You can do better.]) (;B[qr];W[rs]C[Ko. You can do better.])) (;B[qr];W[sr] (;B[ms]) (;B[os]))))) (;B[ps];W[rs] (;B[ms];W[sq];B[qs]) (;B[qs];W[sq] (;B[ms]) (;B[qr]) (;B[os];W[sr];B[ss];W[sp]) (;B[ss])) (;B[qr];W[sq];B[qs];W[sr];B[ss];W[sp]) (;B[os];W[qr] (;B[ms];W[sr]) (;B[ns];W[sr]) (;B[qs];W[ns]) (;B[sr];W[sp] (;B[ms]) (;B[ns];W[sq]) (;B[qs])))) (;B[qr];W[sq] (;B[ms];W[sr] (;B[ns];W[rs]) (;B[ps];W[rs]) (;B[rs];W[sp])) (;B[sr];W[sp]) (;B[ps];W[sr] (;B[ms];W[rs]) (;B[os];W[rs]) (;B[rs];W[sp])))) (;B[rs];W[rr];B[qr];W[sq] (;B[pr];W[rq] (;B[os];W[ps];B[qs];W[ss];B[sr]C[Ko. You can do better.]) (;B[qs];W[ss];B[sr]C[2-step ko. You can do better.])) (;B[sr];W[rq];B[pr];W[ps])) (;B[qr];W[pr] (;B[sr];W[rs] (;B[rr]) (;B[qs];W[ps];B[rr];W[sp];B[ms];W[sq])) (;B[rr];W[sq] (;B[ms];W[sr] (;B[ns];W[rs]) (;B[ps];W[rs]) (;B[rs];W[sp])) (;B[sr];W[sp]) (;B[ps];W[sr] (;B[ms]) (;B[os];W[rs]) (;B[rs];W[sp]))) (;B[rs];W[sr] (;B[rr];W[sq]) (;B[sq];W[sp];B[rr];W[ps]))) (;B[pr];W[qr] (;B[ps];W[rr]) (;B[rr];W[ps])) (;B[qs];W[rr] (;B[qr];W[pr]) (;B[pr];W[qr];B[os];W[rs])) (;B[ps];W[rr] (;B[pr];W[qr]) (;B[qr];W[pr])) (;B[ms];W[rr]) (;B[os];W[rr]))