Problem 11171 goproblems.com


Author	Lok	Created	2008-04-04
Difficulty	3 dan (history)	Source	N/A
AVG solve time	100 sec	Stars	4.21 (14 votes)
User attempts	237 / 886	Collections	Connect
Genre	tesuji ⓢ	Your attempts	N/A
Similar problems
Created	2008-04-04
Source	N/A
Stars	4.21 (14 votes)
Collections	Connect
Your attempts	N/A

(;AB[nb]AB[mb]AB[nc]AB[nd]AB[me]AB[nf]AB[lf]AB[lg]AB[kg]AB[jg]AW[lb]AW[mc]AW[kc]AW[jc]AW[le]AW[ke]AW[kf]AW[jf]AW[ig]AW[ie]AW[hf]AB[je]AB[jd]AB[id]AB[ic]AB[ib]AB[jb]AW[he]AW[gd]AW[gc]AW[gb]C[Black to connect.]AP[goproblems] (;B[la];W[ka] (;B[kb];W[ma] (;B[ld];W[kd] (;B[lc];W[md];B[lc];W[ld] (;B[na];W[if] (;B[ja];W[lc];B[la]C[Well done!RIGHT]) (;B[la]C[])) (;B[ja];W[if] (;B[na];W[lc];B[la]C[Well done!RIGHT]) (;B[la]))) (;B[md];W[lc] (;B[na];W[la];B[ja];W[if]C[Black is cut.]) (;B[ja];W[la];B[na];W[if]C[Black is cut.])) (;B[na];W[lc] (;B[la]C[Ko.]) (;B[ja];W[la];B[md];W[if]C[Black is cut.])) (;B[ja];W[lc] (;B[la]C[Ko]) (;B[na];W[la];B[md]) (;B[md];W[la];B[na]))) (;B[md];W[lc] (;B[na];W[la] (;B[ja];W[if]C[Black is cut.]) (;B[ld];W[kd];B[ja];W[if]C[Black is cut.]) (;B[kd];W[ld];B[ja];W[if]C[Black is cut.])) (;B[ja];W[la] (;B[na];W[if]C[Black is cut.]) (;B[ld];W[kd];B[na]) (;B[kd];W[ld];B[na])) (;B[ld];W[kd] (;B[na];W[la];B[ja];W[if]C[Black is cut.]) (;B[ja];W[la];B[na])) (;B[kd];W[ld] (;B[na];W[la];B[ja];W[if]C[Black is cut.]) (;B[ja];W[la];B[na]))) (;B[kd];W[ld] (;B[lc];W[kc]C[Black is cut.]) (;B[md];W[lc] (;B[na];W[la];B[ja];W[if]C[Black is cut.]) (;B[ja];W[la];B[na];W[if]C[Black is cut.]))) (;B[na];W[lc] (;B[la]C[White get a ko.]) (;B[ja];W[la] (;B[kd];W[ld]) (;B[ld];W[kd];B[md]))) (;B[ja];W[lc] (;B[la]C[White get a ko.]) (;B[na];W[la] (;B[kd];W[ld]) (;B[ld];W[kd]))) (;B[lc];W[ld] (;B[na];W[la];B[ja];W[lc]C[Black is cut]) (;B[kd]C[White can play elsewhere.]) (;B[ja];W[la];B[na];W[lc]C[Black is cut]))) (;B[ld];W[kd] (;B[kb];W[ma]) (;B[lc];W[kb])) (;B[kd];W[ld] (;B[kb];W[ma] (;B[lc];W[kc]C[Black is cut.]) (;B[md];W[lc] (;B[na];W[la];B[ja];W[if]C[Black is cut.]) (;B[ja];W[la];B[na]))) (;B[md];W[lc];B[kb];W[ma] (;B[na];W[la];B[ja];W[if]C[Black is cut.]) (;B[ja];W[la];B[na]))) (;B[ma];W[kb]) (;B[md];W[lc] (;B[kb];W[ma] (;B[na];W[la] (;B[ja];W[if]C[Black is cut.]) (;B[ld];W[kd]) (;B[kd];W[ld])) (;B[ja];W[la] (;B[na]) (;B[ld];W[kd]) (;B[kd];W[ld])) (;B[ld];W[kd]) (;B[kd];W[ld])) (;B[ld];W[kd];B[kb];W[ma] (;B[na];W[la];B[ja];W[if]C[Black is cut.]) (;B[ja];W[la];B[na])) (;B[kd]C[NOTTHIS])) (;B[ja];W[ma] (;B[kb];W[lc] (;B[la]C[White get a ko.]) (;B[na])) (;B[ld];W[kd] (;B[kb];W[lc] (;B[la]C[Ko]) (;B[na]) (;B[md])) (;B[lc];W[kb])))) (;B[ld];W[kd] (;B[la];W[ka] (;B[kb];W[ma] (;B[lc];W[md];B[lc];W[ld] (;B[na];W[if] (;B[ja];W[lc];B[la]C[Well done!RIGHT]) (;B[la]C[])) (;B[ja];W[if] (;B[na]) (;B[la]))) (;B[md];W[lc] (;B[na];W[la];B[ja];W[if]C[Black is cut.]) (;B[ja];W[la];B[na])) (;B[na];W[lc] (;B[la]C[Ko.]) (;B[ja];W[la];B[md])) (;B[ja];W[lc] (;B[la]C[Ko]) (;B[na]) (;B[md]))) (;B[lc];W[kb])) (;B[kb];W[la] (;B[lc];W[md];B[lc];W[ld]C[Black is cut]) (;B[md];W[lc])) (;B[md];W[lc];B[la];W[ka]) (;B[lc];W[kb])) (;B[kb];W[la] (;B[kd];W[ld] (;B[lc];W[kc]C[Black is cut]) (;B[md];W[lc])) (;B[ld];W[kd] (;B[lc];W[md];B[lc];W[ld]C[Black is cut]) (;B[md];W[lc]))) (;B[md];W[lc] (;B[la];W[ka] (;B[kb];W[ma]) (;B[ld];W[kd];B[kb];W[ma]) (;B[kd]C[NOTTHIS])) (;B[ld];W[kd];B[la];W[ka];B[kb];W[ma]) (;B[kd]C[NOTTHIS])) (;B[kd];W[ld] (;B[kb];W[la] (;B[lc];W[kc]C[Black is cut]) (;B[md];W[lc])) (;B[la];W[ka] (;B[kb];W[ma]) (;B[md];W[lc];B[kb];W[ma])) (;B[md];W[lc];B[la];W[ka];B[kb];W[ma])))