Problem 17073 goproblems.com


Author	MurphysLaw	Created	2013-01-18
Difficulty	6 dan (history)	Source	KGS (MurphysLaw vs trockeneis)
AVG solve time	98 sec	Stars	3 (1 votes)
User attempts	56 / 303	Collections	Connect, Middle based, Amateur Game
Genre	tesuji	Your attempts	N/A
Similar problems
Created	2013-01-18
Source	KGS (MurphysLaw vs trockeneis)
Stars	3 (1 votes)
Collections	Connect, Middle based, Amateur Game
Your attempts	N/A

(;AB[qd]AB[oc]AB[mb]AB[mc]AB[md]AB[lc]AB[qf]AB[qg]AW[qh]AB[rh]AB[ri]AW[pg]AW[pf]AW[of]AW[ne]AW[me]AW[ld]AW[kd]AW[jc]AW[kb]AW[lb]AB[jd]AW[id]AW[if]AW[ig]AW[ih]AW[hi]AW[ij]AW[jj]AW[kj]AW[li]AW[lh]AW[mi]AW[mj]AW[nj]AW[nk]AW[pj]AW[pk]AW[qj]AB[rj]AB[rk]AB[qk]AB[og]AB[ng]AB[mh]AB[le]AB[lf]AB[kg]AB[jf]AB[kh]AB[ki]AB[lj]AB[lk]AB[mk]AB[ph]AW[ic]TR[ph]C[Black has just played the triangled stone to cut off white's q13 stones. How does white connect his n15 group to kill black's m15 group? Please avoid ko unless necessary.]AP[goproblems] (;W[mf] (;B[mg] (;W[lg];B[oe] (;W[oh];B[nd];W[pi];B[nf]C[White could have gotten more.]) (;W[pe];B[nf];W[od];B[nd];W[oe];B[qe])) (;W[oh];B[qi];W[lg];B[oi] (;W[kf];B[ke];W[je];B[kf] (;W[jg];B[oe];W[nf];B[nh] (;W[jh]C[RIGHT]) (;W[ji]C[RIGHT]) (;W[pe]C[RIGHT])) (;W[oe]C[RIGHT]) (;W[jh];B[oe];W[nf];B[nh] (;W[jg]C[RIGHT]) (;W[ji]C[RIGHT]) (;W[pe]C[RIGHT])) (;W[ji];B[oe];W[nf];B[nh] (;W[jh]C[RIGHT]) (;W[jg]C[RIGHT]) (;W[pe]C[RIGHT])) (;W[nf];B[nh]C[RIGHT] (;W[jg]C[RIGHT]) (;W[jh]C[RIGHT]) (;W[ji]C[RIGHT]) (;W[pe]C[RIGHT])) (;W[pe]C[RIGHT]) (;W[ni];B[nh] (;W[nf];B[oh]C[RIGHT] (;W[jg]C[RIGHT]) (;W[jh]C[RIGHT]) (;W[ji]C[RIGHT]) (;W[pe]C[RIGHT])) (;W[pe]C[RIGHT]) (;W[oe]C[RIGHT]) (;W[jg]C[RIGHT]) (;W[jh]C[RIGHT]) (;W[ji]C[RIGHT]))) (;W[oe];B[kf]) (;W[nf];B[nh] (;W[ni];B[oh];W[kf];B[ke];W[je];B[kf] (;W[jg]C[RIGHT]) (;W[jh]C[RIGHT]) (;W[ji]C[RIGHT]) (;W[pe]C[RIGHT])) (;W[kf];B[ke];W[je];B[kf] (;W[jg]C[RIGHT]) (;W[jh]C[RIGHT]) (;W[ji]C[RIGHT]) (;W[pe]C[RIGHT]))))) (;B[lg] (;W[oh];B[qi];W[mg];B[nh];W[oi]C[RIGHT]) (;W[mg];B[nh] (;W[qi];B[oe];W[pe];B[nd];W[od];B[nf];W[oe];B[pd]) (;W[oi];B[oh];W[qi];B[oe];W[pe];B[nf];W[od];B[nd];W[oe];B[qe])))) (;W[mg];B[mf] (;W[nf];B[lg];W[oh];B[qi];W[nh];B[mg]) (;W[nh];B[nf];W[oh];B[qi]) (;W[oh];B[qi];W[lg];B[nf];W[oe])) (;W[oh];B[qi] (;W[pi];B[mf];W[qh]C[Ko, white could've avoided it.]) (;W[nh];B[mg];W[pi];B[oe] (;W[nf];B[qh]) (;W[qh];B[nf])) (;W[mg];B[mf] (;W[nf];B[lg];W[nh];B[mg]) (;W[nh];B[nf])) (;W[mf];B[mg];W[lg];B[oi] (;W[kf];B[ke];W[je];B[kf]C[RIGHT] (;W[jg];B[oe];W[nf];B[nh] (;W[jh]C[RIGHT]) (;W[ji]C[RIGHT]) (;W[pe]C[RIGHT])) (;W[oe]C[RIGHT]) (;W[jh];B[oe];W[nf];B[nh] (;W[jg]C[RIGHT]) (;W[ji]C[RIGHT]) (;W[pe]C[RIGHT])) (;W[ji];B[oe];W[nf];B[nh] (;W[jh]C[RIGHT]) (;W[jg]C[RIGHT]) (;W[pe]C[RIGHT])) (;W[nf];B[nh]C[RIGHT]) (;W[pe]C[RIGHT]) (;W[ni];B[nh] (;W[nf];B[oh]C[RIGHT]) (;W[pe]C[RIGHT]) (;W[oe]C[RIGHT]) (;W[jg]C[RIGHT]) (;W[jh]C[RIGHT]) (;W[ji]C[RIGHT]))) (;W[nf]C[RIGHT];B[nh] (;W[kf];B[ke];W[je];B[kf]C[RIGHT] (;W[jg]C[RIGHT]) (;W[jh]C[RIGHT]) (;W[ji]C[RIGHT]) (;W[pe]C[RIGHT])) (;W[ni];B[oh];W[kf];B[ke];W[je];B[kf]C[RIGHT] (;W[jg]C[RIGHT]) (;W[jh]C[RIGHT]) (;W[ji]C[RIGHT]) (;W[pe]C[RIGHT]))) (;W[ni];B[nh];W[kf];B[ke];W[je];B[kf]C[RIGHT] (;W[nf];B[oh]C[RIGHT]) (;W[pe]C[RIGHT]) (;W[oe]C[RIGHT]) (;W[jg]C[RIGHT]) (;W[jh]C[RIGHT]) (;W[ji]C[RIGHT])))) (;W[lg];B[mf]) (;W[nf];B[mf]) (;W[qi];B[oh] (;W[mg];B[mf]) (;W[mf];B[mg];W[lg];B[oe];W[kf];B[ke];W[je];B[kf];W[jg];B[pe])))