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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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1answer
85 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 ...
3
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3answers
125 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 ...
2
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0answers
51 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 ...
1
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2answers
108 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 ...
0
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2answers
101 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, ...
7
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1answer
154 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 . $$ | . . . . ...
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 ...
3
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1answer
177 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.
5
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1answer
122 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 ...
4
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1answer
153 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 ...
10
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1answer
232 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 ...
2
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1answer
286 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 (...
3
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1answer
146 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
202 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)? ...
7
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1answer
158 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 (...
0
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2answers
178 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
324 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 ...
4
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3answers
141 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
111 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
76 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 ...
5
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2answers
444 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 ...
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0answers
51 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 ...
2
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1answer
79 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 ...
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 ...
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...
6
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1answer
120 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 ...
3
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2answers
188 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 ...
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 ...
4
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2answers
442 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 $$W Scenario1 $$ -------------------- $$ | . ....
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
922 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 ...
5
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2answers
179 views

Advice on teaching Go to a kid

I am a 7k EGF. There is a 7 year old girl, that is a relative of my wife and lives next door. Once I managed to start her interest in Go by playing several Atari-Go games against her. I decided to ...
4
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3answers
380 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 ...
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 ...
6
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1answer
265 views

Mysterious move

I'm watching a NHK cup match between Hane Naoki and Chang Hsu with japanese commenters so unfortunately I can't understand the explanations, and there is a move from black I can't understand (move 3 ...
4
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1answer
272 views

Is there a site to play Go online against a computer, in 2018? [duplicate]

Apparently there's an old question Is there a site to play Go online against a computer? already but that's in 2014. As we know AlphaGo/Master/Zero permanently changed the Go world, and many AI are ...
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2answers
199 views

In Go (board game) under Chinese rulings how does the scoring of empty territory work?

I am reading up on the Chinese rules of Go and have trouble understanding the ‘area scoring’ rules they use. I get that each player gets a point for each stone that is alive, for each empty field in ...
5
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2answers
147 views

Why choose tsuke-nobi after a double keima against hoshi?

I have been looking at §28 of 38 Basic Joseki, which deals with a double keima kakari against a stone on hoshi. I realise that this book is old and restricts itself somewhat, but I am taking it as a ...
4
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2answers
111 views

What is this alternate cut after 3-3 against double keima round hoshi?

In 38 Basic Joseki, Kosugi & Davies remark in this position: $$c $$ -------------------- $$ -. . . . . . . . . . $$ -. . . . . . . . . . $$ -. . 1 . . O . . . . $$ -. . . X . a . . . X $$ -. . . ...
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2answers
509 views

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 . . . . - $...
5
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2answers
3k views

Go: How to count territory in this example?

I am very new to go and therefore I have some problems to count the territories. In the following example (13x13) in my point of view black wins. But I still have some questions: Does the black ...
3
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1answer
114 views

What joseki, if any, yields this position on page 60 of 38 Basic Joseki?

When introducing pincer joseki on page 60 of 38 Basic Joseki, Kiyoshi Kosugi and James Davies use this position as an illustration: $$Bc Illustration of pincer $$ --------- $$ ........- $$ .....O..- $...
3
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1answer
209 views

How would this seki be scored at the end of the game?

I'm a Go beginner with a VERY little bit of experience (three or four actual games under my belt), and I'm looking through the life and death problems at Sensei's Library trying to get a better ...
5
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1answer
357 views

Go: How is a "suicidal" move that captures enemy stones handled?

I am trying to get a better understanding of the basic rules of Go. Assume that black has surrounded a white group of stones which has exactly one eye (liberty) inside the group. What would happen if ...
4
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1answer
179 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]: $$Wc $$ . . . . . . . ...
6
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1answer
139 views

Having started a small avalanche, what does one do with an undefended cutting stone?

Having just looked at the small avalanche (nadare / konadare) in 38 Basic Joseki I tried it out as White in a 2-stone game against GNU Go and was surprised that it left out the move at a, immediately ...
4
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1answer
159 views

Is this double ko played reasonably by AlphaGo Zero and AlphaGo Lee?

In the 8th game of the series1 between AlphaGo Zero and AlphaGo Lee the following position with a double ko at {A,C}×{13,14} arises: On the next move AlphaGo Lee (Black) plays the double ko exchange ...
2
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1answer
174 views

Does qGo + GNU Go save or load handicap games incorrectly and how can one work around it [closed]

When I save a 2-stone handicap game with qGo 2.0.0 using GNU Go 3.9.1 as engine and then open it with the same software, the handicap stones are missing. This is quite annoying, as one has to imagine ...
2
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2answers
158 views

Has black’s moyo already given them an advantage

Playing white against the Linux programme kigo1, I (c. 6 kyu) reached the following situation, which seems typical of my games with it: (unfortunately one can only put 10 moves in a diagram, so I have ...
4
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2answers
205 views

Go Surrounding Rules

I'm a bit confused by the rules of surrounding. For example this board: $$ +------------------+ $$ |.......OX.........| $$ |.....XOOX.........| $$ |....XOOX..........| $$ |...,XOX..,....,...| $$ |.....

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