An ancient strategy game for 2 players who try to outwit each other by placing stones on the board to simulate the capturing of territory.

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7
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1answer
572 views

Deviation of 3-3 invasion - how to live/kill?

I know the following is joseki for an approach of the 4-4 stone followed by a 3/3 invasion... $$cm1 A normal 3/3 invasion joseki (incomplete) $$ +---------------------------------------+ $$ | . . . . ...
7
votes
1answer
223 views

How to balance influence vs territorial plays on a 13x13 board?

Most of the answers to "What is a good opening on a 13x13 board?" deal generally with the differences between large and medium boards. I'd like to ask more generally about how I should be thinking on ...
6
votes
6answers
1k views

Where can I find a good Joseki database?

I've been wondering about certain positions that arise often. To help me understand them, I would like to study the joseki moves. Since printed joseki dictionaries are out-dated very fast, I'd prefer ...
6
votes
4answers
453 views

What happens in Go if you “take back” a ko before making a ko threat?

In Go, there is a potentially repetitive sequence of moves called a "ko." So if your opponent takes a ko from you, you have to make a move elsewhere on the board, called a ko threat, before "taking ...
6
votes
2answers
143 views

Tsumego only solvable under NZ rules?

The most significant difference between the New Zealand rules and the other rules for Go is that suicide is not forbidden. In most cases, the only time this can come in handy is that you can suicide ...
6
votes
2answers
348 views

How can I create that sharp, intense sound when placing a stone?

No matter the material (board, stones) being used, pros are able to create a very sharp, loud, intense and beautiful sound when placing a stone (which immediately sits perfectly placed on its ...
6
votes
1answer
112 views

What rules are used in international events

What rules are used during international events like the recent Samsung Cup?
6
votes
1answer
273 views

Is this corner dead?

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 ...
5
votes
5answers
407 views

How does one set up a 1/4 board for Go – and is it a good way to start?

As a beginner, I was handed a full go board. And, somehow figured it out. A beginner friend wants to start "small" on something like 1/4 of the board. Personally, I think that we should start with ...
5
votes
3answers
221 views

How do I chose invasion or reduction points?

I have the following board: $$cm1 $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . O . . . . . . . . . . | $$ | . . . . . . . O O . X . . ...
5
votes
4answers
824 views

Do strong Go players play simuls, like in chess? Do they ever play blindfolded?

Strong chess players will often play a "simul," walking from board to board and making a move on each, taking virtually no time to select their moves, and forcing themselves to keep track of many ...
5
votes
3answers
214 views

Traditional 1-stone handicap before komi

In "traditional" handicap, when there is a ranking difference of 1, black plays first and there is no komi (Sensei's Library uses this term). But if you play without komi anyway, this is no handicap. ...
5
votes
4answers
392 views

Do professional-level Go players memorize a list of endgame positions as part of their training?

As in this question there were two questions, I extract the second question here.
5
votes
4answers
185 views

4-4 high approach - why is the defensive approach prefered?

In the 4-4 high approach joseki, why would black ever want to play the defensive - left variant? The result of the right variant looks much better! While the left variant leaves monkey jump ...
5
votes
2answers
150 views

How to apply the ko rule (Go)

I'm having trouble understanding how to apply the ko rule. For instance, in the description in Wikipedia, there is an example where the ko rule can potentially apply. But suppose there were two, or ...
5
votes
3answers
345 views

Komoku-Oogeima joseki order variation

In a game my opponent derived from the joseki line I was familiar with. $$W Actual game $$ ------------ $$ -........... $$ -.94........ $$ -.5128O..... $$ -..X36...0,. $$ -...7....... $$ -........... ...
5
votes
3answers
349 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 ...
5
votes
2answers
411 views

How can I quickly estimate my level in go by playing against a computer/tablet?

I would like to have an idea of my level in go (in kyu). This would for instance help me choose the most appropriate go books to read. I would like to do this through playing against a program—because ...
5
votes
1answer
142 views

Small go board history

Does anyone know origin of smaller go boards (9*9,13*13)? When (and where) was first introduced? I looked on Sensei library but didn't find anything about history of go boards.
5
votes
0answers
48 views

What is the difference between thickness and heavy or over-concentrated stones? [duplicate]

Possible Duplicate: What is the difference between thickness and heavy stones? Many beginners and even advanced players have difficulties telling apart thick from heavy or over-concentrated ...
4
votes
3answers
306 views

Is studying tactics for Go useless?

There are plenty of chess tactics trainers online, to improve your chess skills, but I cannot find a single one for go. Is studying tactics useless for go?
4
votes
4answers
316 views

Magic Sword: Peaceful Variation or is Punishment Possible?

In a game earlier today I encountered a deviation from the Magic Sword pattern that I haven't been able to find anywhere. Instead of cutting, White seemed to offer a peaceful trade of influence for ...
4
votes
1answer
325 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 ...
4
votes
1answer
249 views

Chess (and variations) Endgame Complexity

My understanding is that the game of Go with Japanese Ko rules is, like most such games, EXPTIME-Complete, but that ladders are PSPACE-Complete and that Go endgames have been analyzed independently as ...
3
votes
3answers
273 views

What are good ways to learn to “read” a sequence of moves mentally?

What are good ways to learn to "read" a sequence of moves mentally (i.e. visualize it in one's mind), in Go? Is practicing on a goban useful, or is trying to stick to mentally imagining the moves ...
3
votes
2answers
173 views

4-4 high approach joseki incomplete?

I have a problem with the 4-4 high approach joseki - the left variant: In the left variant, black ends the joseki and white can play anywhere else, i.e. has sente. But the position is pretty weak ...
3
votes
1answer
225 views

What is the Chinese-language equivalent of gobase (main resource for SGF files)?

I would find it hard to believe if someone tried to tell me that there was not such a website, and that people in China relied on gobase. Isn't there a Chinese-language resource for SGF files?
3
votes
2answers
272 views

Practicing Go for a beginner

I am looking to learn Go. I learned the rules a few years back, but there is a mindset that the game rewards. I want to try to capture that mindset. I have read many Go books, but they are static. ...
3
votes
1answer
63 views

Are shell and slate go stones fragile?

I'm looking to buy a set of fine (but not luxurious) go equipment (board, stones, and bowls). I have a cheap set of glass stones with a blue plastic sheet "board". Unfortunately my home's floor is ...
3
votes
1answer
334 views

Can black win in this Go situation?

Can black win here with or without this move? Or is in every way dead?
3
votes
1answer
112 views

How to run strong Go (baduk) playing program locally?

There are some strong bot-players on KGS (from 4d to 2K). I saw pachi, ayamc and even gnugo having dan ranks on KGS. I wonder how to run such a strong bots offline. I tried gnugo and aya, both ...
3
votes
0answers
133 views

Annotated 9x9 Go Games

I've recently started playing Go and I would like to study some annotated 9x9 games, but can't seem to find anything. Does anyone know where I could find such games? If it's free that would be even ...
2
votes
4answers
1k views

Go, MahJong, and Chess. Together?

Do you think these games have enough in common to start a serious, competitive club focusing around them? There's definitely enough between Go and Chess, but what about MahJong? I know there is plenty ...
2
votes
2answers
146 views

Does a Go variant on an infinite board exist?

I've just read the paper Better Computer Go Player with Neural Network and Long-term Prediction which seems to make a big step in direction of getting a better algorithm playing Go than any human. ...
2
votes
2answers
163 views

How to count non fully walled territory?

I just started to learn Go. I still have some problems to properly understand how to count territory when the game has finished (by both players passing). For example, if the game ends in the ...
2
votes
3answers
310 views

4-4 pincer variant - not in joseki dictionary

I am 4K and played against 2K in handicap game (2-stones). The point of B3 was to prevent a double-wing shape for white (along the right and bottom) So W4 pincer leads us into this joseki variant. ...
2
votes
3answers
142 views

What is the actual world ranking of Fan Hui

I've read somewhere that Fan Hui was ranked between 600th and 700th world Baduk player. Knowing he's 2P whereas some players are up to 9P, it seems reasonable to me. Is there any official and ...
2
votes
2answers
155 views

Which games are most rewarding to review? [closed]

I play Go online and have by now quite a few sgf's of past games available which I could review. I'm however lazy so I certainly wont review all or even most of them. So which ones can I learn the ...
2
votes
2answers
176 views

Questions about memorizing go games

1) How do you get better at this? Is it just memorizing pro games or does it just come with time? 2) Does it actually improve your game or is it just sort of nice to have. 3) At what point should I ...
2
votes
2answers
126 views

Does the 3-3 invasion work with 3 stones already placed?

With the three black stones placed, I did the 3-3 invasion. $$Wm1 $$ ---------- $$ ........| $$ ...X....| $$ ...X.1..| $$ ....X...| $$ ........| I tried tried to force a KO and did get 2 moves ...
2
votes
4answers
5k views

Is there a site to play go online against a computer?

There are many go servers but all of them seem to be for player-player games. I want to play online against a computer. I found some but it is not an actual go. I was not able to find a real go brain ...
2
votes
1answer
176 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 ...
1
vote
4answers
295 views

Why is this NOT joseki?

Why is white 4 in this diagram not joseki? How can it be punished by black and how bad is it compared to standard joseki play? $$ ---------- $$ ..........| $$ ..........| $$ ..3.2.....| $$ ...
1
vote
2answers
147 views

3-3 invasion into 4-4,6-4

In josekipedia, they state that this exchange is a mistake See http://www.josekipedia.com/#path:pdttpfqcpcqdqepbobrbpaqaqb for the full sequence they argue with. But, I think that their argument ...
1
vote
1answer
60 views

Do my games in the GoKGS get deleted after some time?

At this page (https://www.gokgs.com/help/tilde.html) I read: Your whole list of games (i.e. all those played in the last 180 days) ... This kind of suggests that "my whole list of games" = "all ...
1
vote
1answer
62 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?
1
vote
1answer
51 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 ...
1
vote
2answers
223 views

Playing against underestimated player damages my rank at KGS

At GoKGS.com, I (13 kyu) was playing against player ranked as "13k?", and I lost and dropped to 14 kyu. But then we found out (thanks to another user watching the match) that the user is actually much ...
1
vote
1answer
422 views

Go - How does one count territory in these two scenarios? (9x9)

I'm learning to play Go and I was trying to develop a game in java, but I'm still not sure how to count territory in some cases. In the scenario below, which side belongs to White, Top or Bottom? ...
1
vote
2answers
232 views

3-4 point joseki - wide double-pincer

After a low approach at W2, B3 is a wide pincer. I double-pincered at W4 and then diagonal B5. $$ $$ . . . . . . . . . . . | $$ . . . . . . . . . . . | $$ . . . . . . . . 4 . . | $$ . . . . . . . 5 ...