Go (Baduk, Weiqi) problems with solutions

Language:

Section contents.
Problem:
<| Prev | Next |>

Life-and-death problem (tsumego) 013

13 Black to play Make life for the group (Black must sacrifice a stone to get two eyes).

(;
GM[1]FF[4]VW[]AP[goproblems.ru]
SZ[19]
AB[bc][bd][cc][ce][dd]
AW[db][fc][fe][ef][be][bf][cf][df]
C[13
Black to play
Make life for the group (Black must sacrifice a stone to get two eyes).]
(;B[eb]
TE[1]C[Correct answer]
;W[ec];B[dc];W[cb];B[bb];W[fb];B[ca];W[ea];B[de]
C[…Black 1 is a tesuji. Thanks to the sacrifice, Black plays 3-7 without losing sente and gets two eyes.]
LB[eb:1][ec:2][dc:3][cb:4][bb:5][fb:6][ca:7][ea:8][de:9]
)
(;B[dc]
BM[1]C[Wrong answer]
;W[eb];B[cb];W[de]
C[…If Black plays 1, White plays 2. Black fails to make two eyes.]
LB[dc:1][eb:2][cb:3][de:4]
))

The interactive board needs JavaScript enabled. Download the problem as an SGF file.

Section contents.
Nearby problems:
Life-and-death problem (tsumego) 014 |>
<| Life-and-death problem (tsumego) 012

Site created by Gouti (4 dan)

How to solve Go (Baduk, Weiqi) problems online, and how to use this site

tsumegoban@gmail.com