Questions tagged [tsumego]

Go problems, typically about life and death situations.

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How to attack White’s corner in this beginner’s 9x9 game?

I'm playing as Black and wasn't able to prevent White from forming a solid area from here with the following sequence: \$\$Bc \$\$ --------------------- \$\$ - . . 6 . . . . . . - \$\$ - 8 0 . 2 5 . . . . - \$...
169 views

How does White survive in this corner?

This is from a game between two high-ranking professionals I saw on TV. Hopefully I copied it right. There doesn't quite seem to be enough from after W1. Let me show you [1]: \$\$Wc \$\$ . . . . . . . ...
239 views

How does black kill white in this Tsumego?

I'm struggling with "Basic problem #46" from Tsumego Pro. It looks like this, black to play: \$\$ |-------------- \$\$ | . O O . . . . \$\$ | . . O X X . . \$\$ | . O O X . X . \$\$ | X X X O X . . \$\$ | . . . ...
204 views

Building a live group on a quarter board where two sides are already black

This exercise is kind of go club folklore: Given a quarter go board where two sides are already occupied by black (and unconditionally alive), white starts playing. White wins when she is able to ...
1k views

Why is this tsumego solution wrong?

I'm trying to understand why my solution to this tsumego is incorrect. It's "Basic problem #26" from Tsumego Pro and looks like this: \$\$ ---------------------------- \$\$ . . . . . . . . X . O X . . | \$...
102 views

Tsumego elementary problem 633 - seki?

I'am trying to solve problem 633 of the elementary set (black's move): It seems to me that after black takes the outside liberty, it's a seki. Or is there a better solution?
129 views

Tsumego elementary problem 157

I tried to solve this tsumego, black is on the move: it seems to me that white can kill black only if he wins the ko two times. Is that correct? After first ko win he will connect at 1-3 and after ...
445 views

Why is this the solution?

I'm a very weak go player, playing very occasionally. I however enjoy easy tsumego problems on the train on my phone, as I find it more fun than, say, crosswords or sudoku. However, the app I use (...
86 views

Tsumego intermediate problem 11 - possible without winning ko two times?

This tsumego (intermediate problem 11) gave me hard time: I actually only found a solution where black must win the ko two times, which is nasty. Is there a better solution? It actually looks like "...
121 views

Tsumego problem 899

I am not able to solve this tsumego problem 899 of the elementary set. Black is to move and perhaps to kill white. But it seems to me that regardless of what black does, white will always make one eye ...
201 views

life and death: 2 x 4 in the corner with defects

In a go game (with another 4K) I got a 2 x 4 region in the corner with lots of defects. W1 almost surely will happen. Can White get life or ko? \$\$Wm1 \$\$ |------------ \$\$ | . . . . X . \$\$ | . . O ...
307 views

Played a game on KGS. We are both 4K. He was good at life and death, and I am rusty. Was B1 sente? \$\$ ------------| \$\$ . X O 2 1 . | \$\$ X . X O . . | \$\$ . . X O . . | \$\$ . . X O O . | \$\$ . . X X ...
455 views

A reference of practical tsumego?

There are insanely many tsumego in existence, but many of them are very artificial and would never occur in real games. While any tsumego helps to improve, specifically learning shapes likely to be ...