Problem 2285 goproblems.com


Author	Spica	Created	2003-05-24
Difficulty	4 dan (history)	Source	Spica
AVG solve time	70 sec	Stars	4 (2 votes)
User attempts	288 / 2173	Collections	Semeai / Capturing Race
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2003-05-24
Source	Spica
Stars	4 (2 votes)
Collections	Semeai / Capturing Race
Your attempts	N/A

(;FF[4]GM[1]SZ[19]AP[SGFC:1.13b] GN[templd26] AB[qm][rq][sq][qr][qs][qn][qo][qp][rp][pp][oo][no][np][mp][kq] [ps][jr][js][jp][lq][ms]AW[rn][rl][qq][pq][os][oq][so][ql][op] [pl][po][pn][nq][mq][lr][pm][or][kr][ks][mr]C[Black to kill white's P3 group.] (;B[ns];W[rr] (;B[rs];W[sr] (;B[rm];W[sm] (;B[ss]C[Black kills by one move. RIGHT]) (;B[nr];W[sn] (;B[ss];W[ls];B[ns]C[Black kills by one move. RIGHT]) (;B[pr];W[ss];B[qr];W[rs] (;B[qs];W[rr]C[black is dead]) (;B[ps];W[ls];B[ns];W[pr];B[qs];W[rr]C[black dies]) (;B[pr];W[ls];B[ns];W[ps];B[qs];W[rr]C[black dies]))) (;B[ls];W[sn] (;B[pr];W[ss];B[qr];W[rs] (;B[qs];W[rr]C[black is dead]) (;B[ps];W[nr];B[ms];W[pr];B[qs];W[rr]C[black dies]) (;B[pr];W[nr];B[ms];W[ps];B[qs];W[rr]C[black dies])) (;B[ss];W[nr];B[ms]C[Black kills by one move. RIGHT])) (;B[pr];W[ss];B[qr];W[rs] (;B[qs];W[rr]C[black is dead]) (;B[ps];W[pr];B[qs];W[rr]C[black dies]) (;B[pr];W[ps];B[qs];W[rr]C[black dies]))) (;B[ss];W[rm] (;B[nr];W[ro]C[black is dead due to white's bigger eye]) (;B[ls];W[ro]C[black is dead due to white's bigger eye]) (;B[pr];W[sr];B[rr];W[ro]C[black is dead])) (;B[pr];W[rm] (;B[ss];W[sr];B[rr];W[ro]C[black dies]) (;B[nr];W[ss];B[qr];W[rs] (;B[qs];W[rr]C[black is dead]) (;B[ps];W[ls];B[ns];W[pr];B[qs];W[rr]C[black dies]) (;B[pr];W[ls];B[ns];W[ps];B[qs];W[rr]C[black dies])) (;B[ls];W[ss];B[qr];W[rs] (;B[qs];W[rr]C[black is dead]) (;B[ps];W[nr];B[ms];W[pr];B[qs];W[rr]C[black is dead]) (;B[pr];W[nr];B[ms];W[ps];B[qs];W[rr]C[black dies]))) (;B[nr];W[rm] (;B[ss];W[ro]C[black is dead]) (;B[pr];W[ss];B[qr];W[rs] (;B[qs];W[rr]C[black is dead]) (;B[ps];W[ls];B[ns];W[pr];B[qs];W[rr]C[black dies]) (;B[pr];W[ls];B[ns];W[ps];B[qs];W[rr]C[black dies]))) (;B[ls];W[rm] (;B[ss];W[ro]C[black is dead]) (;B[pr];W[ss];B[qr];W[rs] (;B[qs];W[rr]C[black is dead]) (;B[ps];W[nr];B[ms];W[pr];B[qs];W[rr]C[black dies]) (;B[pr];W[nr];B[ms];W[ps];B[qs];W[rr]C[black dies])))) (;B[rm];W[rs]) (;B[ss];W[pr]) (;B[sr];W[rs] (;B[rm];W[pr]) (;B[ss];W[rm] (;B[nr];W[ro];B[pr];W[ls];B[ns];W[rr]C[black is dead (whether he had played Q2 or not)] ) (;B[ls];W[ro];B[pr];W[nr];B[ms];W[rr]C[black is dead (whether he had played Q2 or not)] ) (;B[pr];W[ro] (;B[nr];W[ls];B[ns];W[rr]C[black is dead]) (;B[ls];W[nr];B[ms];W[rr]C[black is dead]))))) (;B[rm];W[ns]) (;B[rr];W[ns]))