Problem	20204
Created	2015-08-27
Source
Rating

Difficulty	5.3 kyu
Average Solve Time	92 secs
User Attempts	239 / 741
Solve Ratio Rating	5 kyu
	rating history

(;AW[sp]AW[sq]AW[sr]AW[rs]AW[qs]AW[ns]AW[nr]AW[nq]AB[mr]AB[mq]AB[np]AB[oq]AB[or]AB[os]AB[pp]AB[qo]AB[ro]AB[so]AW[qq]TR[qq]TR[sp]TR[sq]TR[sr]TR[rs]TR[qs]C[Do your best.]AP[goproblems] (;B[qr] (;W[pr] (;B[pq] (;W[rp] (;B[ps] (;W[rr] (;B[qp]C[Well done, ko is the best result for black.RIGHT]) (;B[pr];W[qp])) (;W[qp];B[rr])) (;B[qp];W[rr];B[ps];W[qr]) (;B[rr];W[rq] (;B[qr];W[ps]) (;B[ps];W[qr]))) (;W[ps];B[rq] (;W[rr];B[rp]C[RIGHT]) (;W[rp];B[qp]C[RIGHT]))) (;B[ps];W[pq] (;B[ms];W[rq]) (;B[op];W[rq]) (;B[rq];W[op])) (;B[rq];W[rp] (;B[pq];W[rr]) (;B[ps];W[rr]) (;B[qp];W[rr])) (;B[rp];W[rq]) (;B[rr];W[rq])) (;W[rr];B[pr] (;W[rp];B[qp]C[RIGHT]) (;W[qp];B[rp]C[RIGHT]))) (;B[rq];W[rp] (;B[qp];W[qr]) (;B[qr];W[pr] (;B[pq];W[rr]) (;B[ps];W[rr]) (;B[qp];W[rr])) (;B[pr];W[qr])) (;B[pr];W[qr]) (;B[rp];W[rq]) (;B[rr]C[Now, white is alive unconditionary.]))