Problem 14260 goproblems.com

Add / View flags +4


Author	Tomsk	Created	2010-12-17
Difficulty	9 kyu (history)	Source	Elementary Go Series Vol 3, Tesuji
AVG solve time	36 sec	Stars	4.62 (21 votes)
User attempts	1221 / 3416	Collections	N/A
Genre	tesuji ⓒ	Your attempts	N/A
Similar problems
Created	2010-12-17
Source	Elementary Go Series Vol 3, Tesuji
Stars	4.62 (21 votes)
Collections	N/A
Your attempts	N/A

(;AB[sr]AB[rr]AB[sq]AB[qq]AB[rp]AB[qp]AB[pp]AB[ro]AB[so]AB[oo]AB[on]AB[pn]AB[np]AB[nq]AB[nr]AW[rs]AW[qr]AW[pr]AW[or]AW[oq]AW[op]AW[po]AW[qo]AW[qn]AW[rn]AW[pm]AW[ql]AW[mp]AW[no]AB[lq]AB[ll]TR[oo]TR[on]TR[pn]C[White to capture the marked stones]AP[goproblems] (;W[mm] (;B[nn];W[mo];B[mn];W[ln];B[nm];W[nl]C[RIGHT]) (;B[nm] (;W[nl];B[mo]) (;W[nn];B[om];W[nl];B[ol];W[ok];B[pl];W[pk]C[Correct, black is capturedRIGHT]) (;W[om];B[nn] (;W[nl];B[mo]C[Black escapes]) (;W[mo];B[nl]C[Black escapes]))) (;B[nl]C[CHOICE] (;W[nm];B[om] (;W[ol]C[Black is capturedRIGHT]) (;W[nn];B[ol]C[Black escapes]) (;W[ml];B[ol]C[Black escapes])) (;W[om];B[nn] (;W[mo];B[nm]C[Black escapes]) (;W[nm];B[mo]C[Black escapes]) (;W[mn];B[mo]C[Black escapes])) (;W[nn];B[om]C[Black escapes]) (;W[mn];B[nm]C[Black escapes]) (;W[ol];B[nm]C[Black escapes])) (;B[om];W[ol];B[nm] (;W[nl];B[nn];W[mn]C[RIGHT]) (;W[nn];B[nl];W[nk];B[ml]C[No, the ladder doesn't work]))) (;W[nm];B[nn] (;W[mo];B[mn] (;W[ln];B[mm]C[Black escapes]) (;W[mm];B[ln]C[Black escapes]) (;W[lm];B[ln]C[Black escapes]) (;W[km];B[lm]C[Black escapes])) (;W[mn];B[mo]C[Black escapes]) (;W[om];B[mo]C[Black escapes])) (;W[om];B[nn] (;W[mn];B[mo]C[Black escapes]) (;W[mo];B[mm]C[Black escapes])) (;W[nn];B[om] (;W[ol];B[nm] (;W[mm];B[nl];W[nk];B[ml]C[No, the ladder doesn't work]) (;W[nl];B[mm]C[Black escapes]) (;W[ml];B[mm];W[lm];B[mo]TR[no]TR[nn]C[Black kills the marked stones and lives])) (;W[ok];B[nl]C[Black escapes]) (;W[nm];B[ol]C[Black escapes]) (;W[nl];B[pl] (;W[ol];B[qm] (;W[nm];B[pm]C[CHOICE] (;W[pk];B[rm]TR[po]TR[qo]TR[qn]TR[rn]C[Black kills the marked stones and lives]) (;W[rm];B[pk]C[Black escapes])) (;W[rm];B[pk]C[Just ko.])) (;W[qm];B[ol] (;W[ok];B[pk]C[Black escapes, black's stones can't be caught in a ladder because they are not in atari]) (;W[pk];B[ok]C[Black escapes, black's stones can't be caught in a ladder because they are not in atari.]) (;W[pj];B[ok]C[Black escapes])))) (;W[nl];B[om];W[ol];B[nn] (;W[mo];B[mm]C[Black escapes]) (;W[mn];B[mo]C[Black escapes]) (;W[mm];B[mo]C[Black escapes])))