Go (Baduk, Weiqi) problems with solutions

Language:

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

Refuting a trick play (hamete) problem 056

56 Black to play. At this important moment White has played the marked move, which is wrong. How can Black punish the mistake?

If the variation letters A, B and C are not shown on the board, reload the page or press "next move".

(;
GM[1]FF[4]VW[]AP[goproblems.ru]
SZ[19]
AB[rq][rp][qq][pq][op][np][mq]
AW[mr][oq][or][pp][qp][ro][qo][oo]
;W[tt]C[56
Black to play
At this important moment White has played the marked move, which is wrong. How can Black punish the mistake?]
TR[mr]
(;B[pr]
TE[1]C[Correct answer
Black 1 is the vital point for the semeai in the corner.
See the continuation]
(;W[lq]
C[See the variation]
;B[nr];W[mp];B[nq];W[no];B[os]
C[…If White runs out with 2, Black captures the cutting stones. White’s outside shape is nothing to boast about.]
LB[os:7][no:6][nq:5][mp:4][nr:3][lq:2][pr:1]
)
(;W[nr];B[kq]
C[…Black answers the connection 2 by defending with 3. White is in a very difficult position.]
LB[kq:3][nr:2][pr:1]
))
(;B[lr]
BM[1]C[Wrong answer
Black should not block from the outside.
See the continuation]
;W[nr];B[lq];W[pr];B[qr];W[rs];B[qs];W[sp]
C[…White takes the vital points 4 and 6, and Black loses the semeai in the corner.]
LB[sp:8][qs:7][rs:6][qr:5][pr:4][lq:3][nr:2][lr:1]
))

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

Section contents.
Nearby problems:
Refuting a trick play (hamete) problem 057 |>
<| Refuting a trick play (hamete) problem 055

Site created by Gouti (4 dan)

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

tsumegoban@gmail.com