Questions tagged [go]

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. To add a board diagram to a post, see instructions in the tag-wiki.

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4
votes
2answers
133 views

Alive strings inside a string?

$$ ------------------ $$ | O . O X . . . . $$ | . O O X . . . . $$ | O O O X . . . . $$ | X X X X . . . . $$ | . . . X . . . . $$ | . . . X . . . . $$ | X X X X . . . . $$ | . . . . . . . . How is ...
12
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1answer
334 views

What was the effect of AlphaGo on Go?

When the AlphaGo programs first appeared experts claimed certain moves opened their eyes. Now a couple of years later I wonder what the effect is on go. Has human performance improved, like when chess ...
10
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6answers
2k views

What is the formula of rank difference to handicap stones?

When the difference in rank is one (examples: 1 dan vs 1 kyu, or 1 kyu vs 2 kyu), the weaker player takes black and the komi is 0.5 for white (sometimes called "no komi" even though that's ...
2
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1answer
3k 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? $...
4
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3answers
142 views

Why do we surround the corner in go?

After watching several tutorials, everyone says to surround the corners. I was wondering why you do this? If I start playing the corners, how do I combat white if they instead start to only develop in ...
0
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2answers
106 views

Survival of Live Groups in the game of Go

In go, does a live group with 2 eyes survive being surrounded by the other players stones or are the stones in that live group dead? If I invade my opponent's surrounded territory with just 1 stone, ...
8
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5answers
3k views

Why don’t you capture more territory in Go?

If you have large areas like here in the white upper left corner, why can't black just put a stone in upper left corner? Then white would lose one point. Or white would have to capture it and get a ...
5
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1answer
782 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
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0answers
57 views

Strange variant of 4-4 low approach joseki

(not sure how this joseki variant is named, feel free to update the title). Josekipedia is saying about this joseki position "Position is settled": but, after N14, M14, the white group O14 ...
18
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2answers
4k views

Why doesn't a go board have an 'I' ('i') column?

I'm really confused, but it seems to be the convention that there is no "I": The rows are numbered 1 to 19...
29
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2answers
12k views

What are the differences between Chinese and Japanese rules in Go?

What are the differences? And do these differences influence strategy?
8
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1answer
170 views

What is the smallest territory in go that can be successfully invaded?

Let's stay one player has a corner of the board totally enclosed, but with no stones in it, like this: $$ ------------------ $$ | . . . . . . X . $$ | . . . . . . X . $$ | . . . . . . X . $$ | . . . . ...
7
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4answers
1k 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 ...
1
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2answers
112 views

Tricky 3-3 invasion

If white tenukis thrice after the 3-3 invasion, and answers Q18 with R18, then white kills with S19: But what if white plays Q19 instead? Can black still kill unconditionally, or ko is the best one ...
7
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1answer
165 views

How was "komi" re-set in the past 50 years?

"komi" represents a number of points added to White's score at the end of a game of Go to compensate White for the fact that Black moves first. It is usually X.5 points (e.g. 7.5) to prevent a tie (...
12
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4answers
7k views

What is a good opening for Go on a 13x13 board?

I have been playing a lot of Go recently at lunch but we are playing on a 13x13 board instead of a 19x19. I can't seem to ever win! I am beginning to think that my opening is leaving me in a bad ...
5
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2answers
394 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 for ...
3
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1answer
182 views

In this Go game why does the territory appear as being completely captured

I've been learning to play Go for the past few days, and in this game I'm playing I don't understand exactly how I captured the whole board in one move. These images show what happened.
6
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1answer
124 views

Where can I find a database of Go games with move times

I am looking for a database of 19x19 Go games (complete games) including the time spent on each move, or the global time in each move. Other aspect is that its need to be without bots or any ...
6
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1answer
127 views

How does white win this capturing race?

I'm reading "Sabaki, the art of settling stones" by Richard Bozulich. On page 98, it proposes the following solution for white to settle his stones. The explanation reads "after the ...
5
votes
1answer
171 views

Does the Cosumi Go site sometimes get the score wrong?

Cosumi claims that I won this game by 37 points: — [9×9, Level 0] Black(You) Wins by 37 Points - Go Browser Game COSUMI But it looks even to me. Am I missing something, or does the site sometimes get ...
2
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1answer
294 views

Go question about eyes

I just learned how to play GO today, and I was stuck on one thing in particular. This was the board state: As you can see on the south-west corner (close to A1), I tried to capture my opponent's (...
10
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2answers
7k views

What is this game that's similar to Go?

I always thought that Go was played by trying to place 5 of your pieces in a row while blocking your opponent from doing so, but I just recently looked up the rules, and it's completely different. Is ...
3
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1answer
151 views

Why are the white stones in the bottom left of this game counted as points for black?

I played the following game: https://online-go.com/game/25722260 In the final position, it seems to me that the stones in the bottom left are in seki, but the score estimator says that the white ...
0
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2answers
214 views

Female Go champions?

Has there ever been a female European, East Asian, or other regional Go champion (or, before these titles existed, any woman who was widely regarded as the best Go player in her community or region)? ...
28
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6answers
3k views

What is a good strategy for engaging children in playing go?

For children what is the youngest age that it makes sense to begin to teach them go? Is it best to start them on a 9x9 board? Will a child that has learned basic algebra be better suited to learn go ...
0
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2answers
180 views

Can this game still be won?

I am black and white has expanded more than I thought. It’s almost at tie at this stage but I can’t see how to win. Can this game still be won?
5
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1answer
332 views

Is it possible to live with false eyes, only?

Sometimes, in a game of Go, we get a life where there is a false eye involved: There are two groups with a single real eye, each, but they are connected to one another via a false eye, allowing their ...
5
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2answers
462 views

in Go, why does this setup make a false-eye?

I am an absolute beginner, trying to learn. Let's consider that board (from a tutorial at http://playgo.to/iwtg/en/): It's black's turn to play. The topic is to avoid a false eye at D9. According ...
4
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3answers
144 views

Best move for this pattern, in Go

I am the black side. It’s my turn to play. $$Bcm4 $$ +---------+ $$ |.........| $$ |.........| $$ |..X...X..| $$ |.........| $$ |....,.2..| $$ |....1Xa..| $$ |..XbOOX..| $$ |.........| $$ |.........| ...
4
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1answer
117 views

Newbie go question: why can I do one move but not the other one

I am playing with SmartGo and I don’t understand one situation. I am playing as Black. $$Bcm82 $$ +---------+ $$ |O.O.OX.X.| $$ |OOOOOXXXX| $$ |.OXXOXXO.| $$ |OOOXXXXXX| $$ |COOOOOXXX| $$ |2XO.OOOX.|...
3
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1answer
77 views

Can anyone explain the last move on this go board

I’m learning so I’m going through all beginner problems I’m finding and I do not get this: The problem starts like this; I am trying to protect the black stone on the right side. After I played, the ...
12
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3answers
336 views

Why do asymmetric ko fights exist?

When I play teaching games with much stronger go players, situations often come up where one side must win a ko fight in order to survive. In these situations, my opponent will explain to me that ...
2
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1answer
80 views

What activity is there in Computer Go tournaments?

At the moment, the 17th TCEC superfinal is running, Stockfish vs. Leela. It is considered the unofficial world championship of computer chess, and games are frequently publicly commentated by ...
1
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0answers
54 views

First steps in go.. where to go? and some score counting questions [closed]

I just started to be interested by Go a week ago. I have read and (I think I) understood the base rules. I went through a few web sites that explain how the game is played and overall, after a ...
4
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1answer
95 views

Who has these intersections?

I am a beginner at go and we couldn't resolve this situation with my opponent. Neither of us want to play to these liberties because whoever plays loses their stones. Whose are these two intersections ...
8
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4answers
1k 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 ...
9
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4answers
2k views

Why do player start with fighting for the corners in go?

I saw that in most go games the opponents started by placing chips 3 vertices away from the corners. Both players started fighting for the centre only after half of the game had passed. Is there any ...
8
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3answers
46k 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 ...
3
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6answers
4k views

Go, MahJong, and Chess. Together? [closed]

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 ...
3
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2answers
190 views

Is the black group dead in this game state? (From Nick Sibicky's lecture #246)

In Nick Sibicky's lecture #246, they state that the black group at T3 is dead: They exactly say that both have 4 liberties and it's White's move so Black is dead. But, after Black connects at S3 and ...
4
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2answers
175 views

Two space approach moves in igo

In igo, when I plan dan-level players, they often make two-space approach moves like the one shown in the figure below: I have many of the standard books on go and they generally only discuss one ...
10
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1answer
269 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 . $$ | X X X O X . . $$ | . . . ...
36
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7answers
3k views

What do you recommend to learn Go? [closed]

I am a beginner at this great game, and I would like to improve my skills at the game of Go. What resources would you recommend?
4
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2answers
453 views

Go - How does one count territory in these scenarios?

I'm learning to play Go (Japanese rule) however I'm still confuse how to count territory in some cases. Which side each territory belongs to? Scenario 1 $$W Scenario1 $$ -------------------- $$ | . ....
4
votes
3answers
381 views

Who won this match of Go?

Me and my girlfriend tried playing our first game of Go last night, but we're not sure we understood the rules so we can't determine who won this. Can you understand or maybe mark this so that we ...
28
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1answer
2k views

What are the main results in game theory regarding Go?

What are the main mathematical results concerning Go? Go is a game with simple rules but high game complexity. It is inefficient to apply primitive chess AI methods (such as position brute force and ...
8
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5answers
768 views

How do I chose invasion or reduction points?

I have the following board: $$cm1 $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . O . . . . . . . . . . | $$ | . . . . . . . O O . X . . ...
2
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3answers
1k views

How many stones for small go boards?

I know the full-size game of Go is played on a 19x19 board and comes with 181 black stones and 180 white stones. This is to accommodate filling every spot on the board with a stone. I want to know if ...
6
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3answers
955 views

When should Beginners finish a Game of Go?

I was reading the answers to this question, about who has won a game of Go and came across the two following statements. You pass at the end of the game when you do not think you can increase your ...

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