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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31 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 ...
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2answers
126 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
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2answers
78 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 ...
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1answer
34 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?
2
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0answers
53 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
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2answers
138 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
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4answers
3k 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 ...
7
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2answers
207 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?
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2answers
173 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.....| $$ ...
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1answer
246 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 ...
5
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4answers
434 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 ...
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2answers
165 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
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2answers
290 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
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2answers
94 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
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1answer
288 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 ...
7
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3answers
287 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 ...
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1answer
47 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
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1answer
48 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 ...
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1answer
57 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 ...
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1answer
105 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 ...
-1
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1answer
114 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 ...
15
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2answers
733 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. $$ White invades at 'a' and supposedly dies. $$ --------- $$ -........ $$ ...
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1answer
27 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
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1answer
45 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 ...
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2answers
34 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 ...
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1answer
60 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
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3answers
209 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
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0answers
60 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.
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2answers
357 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
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1answer
146 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?
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3answers
74 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 ...
3
votes
3answers
131 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 ...
4
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4answers
706 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 ...
13
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3answers
821 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
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4answers
739 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: ...
1
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1answer
188 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? ...
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2answers
86 views

4-4 high approach joseki question

I have a question about 4-4 high approach joseki. Everything is clear until move 4. I don't know how to respond if black plays C15 instead of the expected C17 (stone number 5). It leads to the ...
9
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4answers
2k views

Is there a site to solve tsumego online?

I'd like to solve tsumego online, not having to install a program or app locally. Are there any sites that allow this? How about for smartphones?
5
votes
2answers
136 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 ...
3
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2answers
149 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 ...
15
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2answers
526 views

Are professional ranks representative for how many stones of handicap players can give each other?

It was mentioned elsewhere that a 9p could not give 7 stones to a 2p. I have no databases available and wondered if this is correct. Bonus: If they aren't representative, why not? And is there a ...
5
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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 ...
4
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4answers
304 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 ...
14
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3answers
621 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 ...
2
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2answers
152 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 ...
8
votes
2answers
433 views

How to begin learning Go?

I've been playing a bit with Go and after a few games I do get pretty well the different rules. The game indeed has a very deep strategy and I've read that to get a grip at that strategy, a player ...
5
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5answers
370 views

How does one set up a 1/4 board for GO?

As a beginner, I was handed a full go board. And, somehow figured it out. A beginner friend wants to start "small" and something like 1/4 of the board. Personally, I think that we should start with ...
10
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4answers
495 views

Is Go played for money?

Playing for money in this meaning would be single games played for some stake, not tournaments with a prize money. Backgammon has a large tradition to be played like, chess a smaller one (I think). I ...
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7answers
304 views

At what level should one try to teach go?

I am now at a level where I don't consider myself to be a complete beginner, and I can now recognise at least some of the mistakes made by lower level kyu players. I would like to help other people ...
12
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5answers
410 views

What is a good way to get used to counting points?

Being able to count is important - in the end, it's about the points. Does anyone have any tips to get used to counting during a game, little things that can speed it up or make it a little less ...