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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2
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1answer
28 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 ...
1
vote
3answers
91 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 ...
11
votes
4answers
431 views

Why do all Go board sizes have an odd number of lines? Why is a 19x19 board so much better than a 20x20 board?

Here are the number of games played on every different board sizes on DGS (Dragon Go Server): | Size | CNT | +------+--------+ | 5 | 2464 | | 6 | 466 | | 7 | 11015 | | 8 | 434 ...
1
vote
2answers
221 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 ...
5
votes
1answer
141 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
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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,. $$ -...7....... $$ -........... ...
2
votes
3answers
309 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. ...
5
votes
3answers
216 views

How do I chose invasion or reduction points?

I have the following board: $$cm1 $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . O . . . . . . . . . . | $$ | . . . . . . . O O . X . . ...
3
votes
1answer
92 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
1answer
330 views

Can black win in this Go situation?

Can black win here with or without this move? Or is in every way dead?
5
votes
5answers
405 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 ...
16
votes
3answers
750 views

How to play teaching game and give a useful review

I've reached a rank where I'd like to start and help weaker players improve their games. How can I make a review useful for the opponent? Should I go deep into variations Talk about theory? Should ...
1
vote
4answers
288 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.....| $$ ...
8
votes
3answers
251 views

How to protect a large piece of side territory

I've played several games where I have gained a good chunk of side territory, but lost it due to invasion by the other player. Below is an example, ignore the placement outside of the area black ...
11
votes
3answers
416 views

What is the best way to respond to this pincer joseki deviation?

Every now and again when I approach a corner, opponent plays 1-space pincer and I jump out, my opponent immediately peeps. This seems like aji keshi and bad shape, but I've been stumped as to how to ...
5
votes
4answers
183 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 ...
8
votes
3answers
895 views

What is the meaning of 'karai' and how is it applied?

A Western insei recently wondered about the term "karai": Japanese players call black 57 "karai", which is a term which I haven't heard used in western go at all! The meaning appears to be ...
2
votes
2answers
139 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. ...
4
votes
3answers
297 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?
10
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4answers
340 views

How to handle handicap as white?

I found it very difficult to handle handicap when my opponent is given 6 or more stones. I don't really like to force something complex when I know it could be severely punished. The good way to ...
0
votes
2answers
124 views

Trick Joseki? Shoulder hit after keima to 3-4-stone

In a game I played, the following "Joseki" occurred: I played the low keima against the 3-4-point, and Black responded with a shoulder hit. This move is not in the book by Takao Shinji. In the game ...
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 ...
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 ...
1
vote
1answer
61 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?
3
votes
0answers
127 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 ...
3
votes
2answers
268 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. ...
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 ...
8
votes
2answers
257 views

Is one allowed to play Go with a notebook?

This may be a silly question—but, is it illegal for one to enter a Go (or Chess, for that matter) tournament with a notebook in hand?
1
vote
1answer
493 views

Where can I find an opening database of professional games for 9x9 Go?

I'm looking for an opening database (also called game explorer) for 9x9 Go, showing in every position the percentage of times each move is played and also possibly the percentage of times each move ...
6
votes
4answers
452 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 ...
0
votes
2answers
196 views

Fight - can black stones be killed?

I just tried a fight that ended up this: Can the black stones be killed? It's whites move. First, let's assume that white's chain is safe and look at it as tsumego. I tried several sequences but ...
5
votes
2answers
405 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 ...
0
votes
2answers
103 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 ...
4
votes
1answer
324 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 ...
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 ...
0
votes
1answer
58 views

Joseki question

I have found a possible problem in this joseki, see josekipedia: http://www.josekipedia.com/#path:qdttocrdreqcpdpbrcrbsdobnbncmcndmbpcodsb They comment this white's move as "Makes life". But it ...
1
vote
1answer
74 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 ...
-1
votes
1answer
162 views

Trying to understand KGS ranking system: why did my rank drop?

I really don't understand what's going on in the GoKGS ranking system and why did my rank dropped in Decemeber. Look at my December game list. I was ranked as "13k?". Then I played an even game ...
15
votes
2answers
844 views

Why is this corner enclosure considered to be safe against 3-3 invasion?

I have read somewhere, but unfortunately forgot where that the following enclosure is safe against the invasion at a. $$ White invades at 'a' and supposedly dies. $$ --------- $$ -........ $$ ...
1
vote
1answer
31 views

CGoban 3 doesn't ask for saving a review!

I just finished a game at GoKGS and the opponent offered me a review. When we ended, the opponent has left first, then I closed the window with the review in a good hope CGoban will ask me if I want ...
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 ...
0
votes
2answers
42 views

How do I set language in GoKGS?

I am forced to use czech language, but I would like to use English. How can I switch languages in GoKGS? This is what I see when I click File (1st in the menu) and Set preferences (3rd in the ...
0
votes
1answer
74 views

Go software for studying/reviewing sgf games

I got a great review of my game from another player on GoKGS. So I got this *.sgf file with lots of variants (tree branches) with lots of comments... So now I am looking for a good piece of software ...
3
votes
3answers
271 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 ...
10
votes
2answers
405 views

How do ranks work in Go?

One of the most commonly asked questions of beginners. How do ranks work in Go? Why do we start backwards? And why do we suddenly count upwards again? What is the difference between 9d and 9p? How is ...
0
votes
1answer
200 views

Dan levels: difference between amateur and professional? [duplicate]

Is there a difference between amateur and professional dan levels in go? If yes, how are they related?
0
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3answers
86 views

First things to learn about semeai?

I would like to learn more about semeai and be able to quickly learn about how to handle the most common situations (determine quickly whether a group is alive, dead, or undetermined). Now, there is ...
5
votes
4answers
822 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 ...
14
votes
3answers
964 views

How does the full-size board change the game of Go?

My Go board has two playing surfaces, one big and the other small. As a Go beginner, I have been playing on the reduced size board. I assume this is recommended because it makes games shorter, and ...
8
votes
4answers
811 views

What are examples of Go played on non-flat surfaces, like on a sphere?

I know there was some thought put into how Go looks or feels like if it's not plaey on a flat, rectangular surface, but the surface of a 3-d object like a sphere or a donut. I'm mostly interested in: ...