Problem 6995 goproblems.com


Author	marcusb	Created	2005-07-28
Difficulty	4 dan (history)	Source	N/A
AVG solve time	65 sec	Stars	3.75 (4 votes)
User attempts	689 / 3184	Collections	Instruction Required, Amateur Game, Side based, Seki
Genre	life and death	Your attempts	N/A
Similar problems
Created	2005-07-28
Source	N/A
Stars	3.75 (4 votes)
Collections	Instruction Required, Amateur Game, Side based, Seki
Your attempts	N/A

(;AW[gm]AW[hm]AW[im]AW[jm]AW[gn]AW[jn]AW[fo]AW[go]AW[ho]AW[jo]AW[dp]AW[ep]AW[jp]AW[kp]AW[eq]AW[kq]AW[dr]AW[jr]AW[kr]AW[ds]AW[ks]AB[hn]AB[in]AB[io]AB[fp]AB[gp]AB[hp]AB[ip]AB[fq]AB[iq]AB[jq]AB[er]AB[fr]AB[es]AB[is]LB[bs:A]SZ[19]C[FORCE]PL[W]GM[1]FF[3]RU[Japanese]HA[0]KM[5.5]PW[White]PB[Black]GN[White (W) vs. Black (B)]DT[2005-07-28]SY[Cgoban 1.9.14]TM[30:00(5x1:00)] (;W[hr];B[ir]LB[bs:A]C[FORCE] (;W[gr];B[hs]LB[bs:A]C[FORCE] (;W[gq];B[gs]C[The black group lives unconditionally.]) (;W[hq];B[gs]C[The black group lives unconditionally.]) (;W[fs];B[gs]C[The black group lives unconditionally.]) (;W[gs];B[gq]LB[bs:A]C[FORCE] (;W[hq];B[fs]TR[gr]TR[hr]C[The black group lives unconditionally. The marked points are miai.]) (;W[fs];B[hq]TR[gs]TR[gr]C[The black group lives unconditionally. The marked points are miai.]) (;W[js];B[bs]LB[br:A]C[FORCE] (;W[hq];B[fs]TR[gr]TR[hr]C[The black group lives unconditionally. The marked points are miai.]) (;W[fs];B[hq]TR[gr]TR[gs]C[The black group lives unconditionally. The marked points are miai.]) (;W[br]C[Seki! Well done. (But remember to not give up sente needlessly.)RIGHT])) (;W[bs]C[Seki! Well done.RIGHT])) (;W[js];B[gs]C[The black group lives unconditionally.]) (;W[bs];B[gs]C[The black group lives unconditionally.])) (;W[gq];B[gs]LB[bs:A]TR[gr]TR[hs]C[The black group lives unconditionally. White can not approach G1.]) (;W[hq];B[gs]LB[bs:A]TR[gr]TR[hs]C[The black group lives unconditionally. White can not approach G1.]) (;W[fs];B[gs]LB[bs:A]TR[gr]TR[hs]C[The black group lives unconditionally. The marked points are miai.]) (;W[gs];B[gr]LB[bs:A]TR[hq]TR[hs]C[The black group lives unconditionally. The marked points are miai.]) (;W[hs];B[gr]LB[bs:A]TR[hq]TR[gs]C[The black group lives unconditionally. The marked points are miai.]) (;W[js];B[gs]LB[bs:A]TR[gr]TR[hs]C[The black group lives unconditionally. The marked points are miai.]) (;W[bs];B[gs]LB[br:A]TR[gr]TR[hs]C[The black group lives unconditionally. The marked points are miai.])) (;W[gs];B[hr]LB[bs:A]C[FORCE] (;W[gq];B[gr]TR[ir]TR[hs]C[The black group lives unconditionally. The marked points are miai.] (;W[ir];B[hs]C[The black group lives unconditionally.]) (;W[fs];B[ir]C[The black group lives unconditionally.]) (;W[hs];B[ir]C[The black group lives unconditionally.]) (;W[js];B[ir]C[The black group lives unconditionally.]) (;W[bs];B[ir]C[The black group lives unconditionally.])) (;W[hq];B[gr]TR[hs]TR[ir]C[The black group lives unconditionally. The marked points are miai.]) (;W[gr];B[gq]LB[bs:A]C[FORCE] (;W[ir];B[hs]LB[bs:A]C[FORCE] (;W[js];B[fs]C[The black group lives unconditionally.]) (;W[bs];B[fs]C[The black group lives unconditionally.])) (;W[fs];B[ir]C[The black group lives unconditionally.]) (;W[hs];B[ir]C[The black group lives unconditionally.]) (;W[js];B[ir]C[The black group lives unconditionally.]) (;W[bs];B[ir]C[The black group lives unconditionally.])) (;W[ir];B[hs]C[FORCE]LB[bs:A] (;W[gq];B[gr]C[The black group lives unconditionally.]) (;W[hq];B[gr]C[The black group lives unconditionally.]) (;W[gr];B[gq]LB[bs:A]C[FORCE] (;W[js];B[fs]C[The black group lives unconditionally.]) (;W[bs];B[fs]C[The black group lives unconditionally.])) (;W[fs];B[gr]C[The black group lives unconditionally.]) (;W[js];B[gr]C[The black group lives unconditionally.]) (;W[bs];B[gr]C[The black group lives unconditionally.])) (;W[fs];B[gr]TR[hs]TR[ir]C[The black group lives unconditionally. The marked points are miai.]) (;W[hs];B[ir]TR[gr]TR[gq]C[The black group lives unconditionally. The marked points are miai.]) (;W[js];B[ir]TR[gr]TR[gq]C[The black group lives unconditionally. The marked points are miai.]) (;W[bs];B[ir]TR[gr]TR[gq]C[The black group lives unconditionally. The marked points are miai.])) (;W[gq];B[hr]LB[bs:A]C[FORCE] (;W[hq];B[ir]TR[gr]TR[gs]C[The black group lives unconditionally. The marked points are miai.]) (;W[gr];B[gs]LB[bs:A]C[FORCE] (;W[ir];B[hs]C[The black group lives unconditionally.] (;W[js];B[hq]C[The black group lives unconditionally.]) (;W[bs];B[hq]C[The black group lives unconditionally.])) (;W[js];B[ir]C[The black group lives unconditionally.]) (;W[bs];B[ir]C[The black group lives unconditionally.])) (;W[ir];B[hs]TR[gr]TR[gs]C[The black group lives unconditionally. The marked points are miai.]) (;W[fs];B[ir]TR[gr]TR[gs]C[The black group lives unconditionally. The marked points are miai.]) (;W[gs];B[gr]LB[bs:A]C[FORCE] (;W[ir];B[hs]C[The black group lives unconditionally.]) (;W[fs];B[ir]C[The black group lives unconditionally.]) (;W[hs];B[ir]C[The black group lives unconditionally.]) (;W[js];B[ir]C[The black group lives unconditionally.]) (;W[bs];B[ir]C[The black group lives unconditionally.])) (;W[hs];B[ir]TR[gr]TR[gs]C[The black group lives unconditionally. The marked points are miai.]) (;W[js];B[ir]TR[gr]TR[gs]C[The black group lives unconditionally. The marked points are miai.]) (;W[bs];B[ir]TR[gr]TR[gs]C[The black group lives unconditionally. The marked points are miai.])) (;W[hq];B[ir]LB[bs:A]C[FORCE] (;W[gq];B[gs]TR[gr]TR[hs]C[The black group lives unconditionally. White can not approach the stone at G1.]) (;W[gr];B[hr]TR[gq]TR[gs]C[The black group lives unconditionally. The marked points are miai.]) (;W[hr];B[gr]TR[gs]TR[hs]C[The black group lives unconditionally. The marked points are miai.]) (;W[fs];B[gr]TR[hr]TR[hs]C[The black group lives unconditionally. The marked points are miai.]) (;W[gs];B[gr]TR[hr]TR[hs]C[The black group lives unconditionally. The marked points are miai.]) (;W[hs];B[hr]TR[gr]TR[gq]C[The black group lives unconditionally. The marked points are miai.]) (;W[js];B[hr]TR[gr]TR[gq]C[The black group lives unconditionally. The marked points are miai.]) (;W[bs];B[hr]TR[gr]TR[gq]C[The black group lives unconditionally. The marked points are miai.])) (;W[gr];B[hr]LB[bs:A]C[FORCE] (;W[ir];B[hs]LB[bs:A]C[FORCE] (;W[gq];B[gs]LB[bs:A]C[FORCE] (;W[js];B[hq]C[The black group lives unconditionally.]) (;W[bs];B[hq]C[The black group lives unconditionally.])) (;W[hq];B[gs]LB[bs:A]C[FORCE] (;W[js];B[gq]C[The black group lives unconditionally.]) (;W[bs];B[gq]C[The black group lives unconditionally.])) (;W[fs];B[gs]C[FORCE]LB[bs:A] (;W[gq];B[hq]C[The black group lives unconditionally.]) (;W[js];B[gq]C[The black group lives unconditionally.]) (;W[bs];B[gq]C[The black group lives unconditionally.])) (;W[bs];B[gq]C[The black group lives unconditionally.]) (;W[gs];B[gq]LB[bs:A]C[FORCE] (;W[js];B[fs]C[The black group lives unconditionally.]) (;W[bs];B[fs]C[The black group lives unconditionally.])) (;W[js];B[gq]C[The black group lives unconditionally.])) (;W[hs];B[gs]C[FORCE];W[ir];B[gq]C[FORCE];W[js];B[hs]C[The black group lives unconditionally.]) (;W[gq];B[gs]LB[bs:A]C[FORCE] (;W[ir];B[hs]C[The black group lives unconditionally.] (;W[js];B[hq]C[The black group lives unconditionally.]) (;W[bs];B[hq]C[The black group lives unconditionally.])) (;W[js];B[ir]C[The black group lives unconditionally.]) (;W[bs];B[ir]C[The black group lives unconditionally.])) (;W[hq];B[gs]LB[bs:A]C[FORCE] (;W[ir];B[hs]LB[bs:A]C[FORCE] (;W[js];B[gq]C[The black group lives unconditionally.]) (;W[bs];B[gq]C[The black group lives unconditionally.])) (;W[js];B[ir]C[The black group lives unconditionally.]) (;W[bs];B[ir]C[The black group lives unconditionally.])) (;W[fs];B[gs]TR[ir]TR[gq]C[The black group lives unconditionally. The marked points are miai.];W[ir];B[gq]C[FORCE];W[js];B[hs]C[The black group lives unconditionally.]) (;W[gs];B[gq]TR[hs]TR[ir]C[The black group lives unconditionally. The marked points are miai.] (;W[ir];B[hs]LB[bs:A]C[FORCE] (;W[js];B[fs]C[The black group lives unconditionally.]) (;W[bs];B[fs]C[The black group lives unconditionally.])) (;W[fs];B[ir]C[The black group lives unconditionally.]) (;W[hs];B[ir]C[The black group lives unconditionally.]) (;W[js];B[ir]C[The black group lives unconditionally.]) (;W[bs];B[ir]C[The black group lives unconditionally.])) (;W[js];B[ir]TR[gs]TR[gq]C[The black group lives unconditionally. The marked points are miai.]) (;W[bs];B[ir]TR[gs]TR[gq]C[The black group lives unconditionally. The marked points are miai.])) (;W[ir];B[hr]LB[bs:A]C[FORCE] (;W[gq];B[hs]C[The black group lives unconditionally. The marked points are miai.]) (;W[hq];B[hs]C[The black group lives unconditionally. The marked points are miai.]) (;W[gr];B[gs]LB[bs:A]C[FORCE] (;W[js];B[hs]LB[bs:A]TR[gq]TR[hq]C[The black group lives unconditionally. The marked points are miai.] (;W[hq];B[gq]C[The black group lives unconditionally.]) (;W[gq]C[];B[hq]C[The black group lives unconditionally.]) (;W[bs];B[gq]C[The black group lives unconditionally.])) (;W[bs];B[hs]TR[gq]TR[hq]C[The black group lives unconditionally. The marked points are miai.]) (;W[gq];B[hs]C[The black group lives unconditionally.]LB[bs:A] (;W[js];B[hq]C[The black group lives unconditionally.]) (;W[bs];B[hq]C[The black group lives unconditionally.])) (;W[hq];B[gq]LB[bs:A]C[FORCE] (;W[js];B[hs]C[The black group lives unconditionally.]) (;W[bs];B[hs]C[The black group lives unconditionally.]))) (;W[fs];B[gs]C[The black group lives unconditionally.]) (;W[gs];B[hs]C[FORCE]LB[bs:A] (;W[gr];B[gq]LB[bs:A]C[FORCE] (;W[js];B[fs]C[The black group lives unconditionally.]) (;W[bs];B[fs]C[The black group lives unconditionally.])) (;W[js];B[gr]C[The black group lives unconditionally.]) (;W[gq];B[gr]C[The black group lives unconditionally.]) (;W[hq];B[gr]C[The black group lives unconditionally.]) (;W[fs];B[gr]C[The black group lives unconditionally.]) (;W[bs];B[gr]C[The black group lives unconditionally.])) (;W[hs];B[gs]C[The black group lives unconditionally.]) (;W[js];B[hs]C[FORCE]LB[bs:A] (;W[gq];B[gr]C[The black group lives unconditionally.]) (;W[hq];B[gr]C[The black group lives unconditionally.]) (;W[gr];B[gs]LB[bs:A]C[FORCE] (;W[hq];B[gq]C[The black group lives unconditionally.]) (;W[gq]C[];B[hq]C[The black group lives unconditionally.]) (;W[bs];B[gq]C[The black group lives unconditionally.])) (;W[gs];B[gr]C[The black group lives unconditionally.]) (;W[fs];B[gr]C[The black group lives unconditionally.]) (;W[bs];B[gr]C[The black group lives unconditionally.])) (;W[bs];B[gr]TR[gs]TR[hs]C[The black group lives unconditionally. The marked points are miai.])) (;W[fs];B[ir]LB[bs:A]C[FORCE] (;W[gq];B[gr]TR[hq]TR[hr]C[The black group lives unconditionally. The marked points are miai.]) (;W[hq];B[hr]TR[gr]TR[gq]C[The black group lives unconditionally. The marked points are miai.]) (;W[gr];B[hr]TR[gq]TR[gs]C[The black group lives unconditionally. The marked points are miai.]) (;W[hr];B[gr]TR[hs]TR[hq]C[The black group lives unconditionally. The marked points are miai.]) (;W[gs];B[gr]TR[hr]TR[hq]C[The black group lives unconditionally. The marked points are miai.]) (;W[hs];B[hr]TR[gr]TR[gq]C[The black group lives unconditionally. The marked points are miai.]) (;W[js];B[gr]TR[hr]TR[hq]C[The black group lives unconditionally. The marked points are miai.]) (;W[bs];B[gr]TR[hr]TR[hq]C[The black group lives unconditionally. The marked points are miai.])) (;W[hs];B[ir]LB[bs:A]C[FORCE] (;W[gq];B[gr]C[The black group lives unconditionally. The marked points are miai.]TR[hr]TR[hq]) (;W[hq];B[hr]C[The black group lives unconditionally. The marked points are miai.]TR[gr]TR[gq]) (;W[gr];B[hr]C[The black group lives unconditionally. The marked points are miai.]TR[gq]TR[gs]) (;W[hr];B[gr]C[The black group lives unconditionally. The marked points are miai.]TR[hq]TR[gs]) (;W[fs];B[gr]C[The black group lives unconditionally. The marked points are miai.]TR[hr]TR[hq]) (;W[gs];B[gr]C[The black group lives unconditionally. The marked points are miai.]TR[hr]TR[hq]) (;W[js];B[hr]C[The black group lives unconditionally. The marked points are miai.]TR[gr]TR[gq]) (;W[bs];B[hr]C[The black group lives unconditionally. The marked points are miai.]TR[gr]TR[gq])) (;W[js];B[ir]LB[bs:A]C[FORCE] (;W[gq];B[gr]TR[hq]TR[hr]C[The black group lives unconditionally. The marked points are miai.]) (;W[hq];B[hr]TR[gr]TR[gq]C[The black group lives unconditionally. The marked points are miai.]) (;W[gr];B[hr]TR[gq]TR[gs]C[The black group lives unconditionally. The marked points are miai.]) (;W[hr];B[gr]TR[hq]TR[gs]C[The black group lives unconditionally. The marked points are miai.]) (;W[fs];B[gr]TR[gs]TR[hr]C[The black group lives unconditionally. The marked points are miai.]) (;W[gs];B[gr]TR[hr]TR[hq]C[The black group lives unconditionally. The marked points are miai.]) (;W[hs];B[hr]TR[gr]TR[gq]C[The black group lives unconditionally. The marked points are miai.]) (;W[bs];B[gr]TR[hr]TR[hq]C[The black group lives unconditionally. The marked points are miai.])) (;W[bs];B[ir]LB[br:A]C[FORCE] (;W[gq];B[gr]TR[hr]TR[hq]C[The black group lives unconditionally. The marked points are miai.]) (;W[hq];B[hr]TR[gr]TR[gq]C[The black group lives unconditionally. The marked points are miai.]) (;W[gr];B[hr]TR[gs]TR[gq]C[The black group lives unconditionally. The marked points are miai.]) (;W[hr];B[gr]TR[gs]TR[hs]C[The black group lives unconditionally. The marked points are miai.]) (;W[gs];B[gr]TR[hr]TR[hq]C[The black group lives unconditionally. The marked points are miai.]) (;W[fs];B[gr]TR[hr]TR[hq]C[The black group lives unconditionally. The marked points are miai.]) (;W[hs];B[hr]TR[gr]TR[gq]C[The black group lives unconditionally. The marked points are miai.]) (;W[js];B[gr]TR[hr]TR[hq]C[The black group lives unconditionally. The marked points are miai.]) (;W[br];B[gr]TR[hr]TR[hq]C[The black group lives unconditionally. The marked points are miai.])))