# Tagged Questions

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.

4k views

### Is playing on a 9x9 board a solved problem?

I would think that on a 9x9 board, the number of possible moves is small enough that computers could exhaustively search all possible permutations and compute a line of play that always wins by moving ...
382 views

### Why are Chinese stones half-convex?

Unlike regular ishi that come in full-convex shape, Chinese stones are flat on one side. I found those stones difficult to work with, as they are not easy to pick up from the board. Granted, they lay ...
2k views

### What are the difference between Chinese and Japanese rules in Go?

What are the differences? And do these differences influence strategy?
135 views

### How many points are won/lost during this exchange?

\$\$ six=two \$\$ -.a..... \$\$ -....... \$\$ -...OOOO \$\$ -4....XO \$\$ -1OOOOOX \$\$ -XOXXO.X \$\$ -2X5.XX. \$\$ -3...... \$\$ -------- White territory around a is safe. Move 2 and 4 can be swapped for identical ...
652 views

### Why are stones placed with index and middle finger?

I have read that stones should be picked out of the bowl and placed on the board by pinching them between the tips of the index and middle finger. This seems to be a long-standing tradition. Is this ...
227 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. ...
635 views

### How far can you safely extend from your own wall?

When extending into what is basically open territory, how far can you extend to increase your influence/moyo, without inviting an invasion?
1k views

### What do you recommend to learn Go?

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?
657 views

### Corner variation which is not in Josekipedia

\$\$Bcm1 \$\$ ------------------- \$\$ . . . . . . . . . | \$\$ . . . . . . . . . | \$\$ . . . . a 0 4 8 . | \$\$ . . . . . 1 5 6 . | \$\$ . . . . . . 9 7 . | \$\$ . . . . . . 2 . . | \$\$ . . . . . . . . . | \$\$ . . . ....
740 views

### What is the difference between thickness and heavy stones?

Thickness in Go describes a strong formation of stones. A heavy group is one that's over-concentrated. How do I know when my stones are thick, without going too far and becoming heavy? It seems ...
689 views

### Online Resources for Go Tutorials on specific topics

It is well-known that learning about Go is a never-ending process. This question is on resources that I believe to be useful in a certain stage of this learning process. In the very beginning, there ...
874 views

### Resources for learning about good shape?

Shape is immensely important in Go, and you can read about the basics anywhere - don't make empty triangles, table and mouth shapes are good, etc. Where can I find more advanced treatments of shape?
420 views

### How do I properly place handicap stones?

Handicap games are very common in Go. The weaker player, taking black, gets to place (usually) up to 9 stones on the board, depending on the difference in skill. Both free and fixed placement are ...
1k views

### Second line invasion of two-space extension

The two-space extension is a very common pattern and forms a base. I've found lots of material here, and here, and elsewhere on how it cannot be cut and how to defend against various invasions. ...
1k views

### Where can I watch recorded Go games from Masters?

I think I can learn more if I see what people some kyu above me do. I'm aware of a related question, but I think, this one is more specific and might diverge.
627 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) \$\$ +---------------------------------------+ \$\$ | . . . . ...
362 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 ...
205 views

### Where can I learn the lingo of Go?

I'm only a beginner at Go, but have been reading the questions in the go tag with interest. However, this game seems to have rather more special terminology than most. What do joseki, shimari, high-...
822 views

### What is the formula of rank difference to handicap stones?

When the difference in rank is one stone the weaker player takes black and the komi is 0.5 for white (sometimes called "no komi" even though that's not technically correct). From then on add one ...
2k 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 ...
263 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 ...
408 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.
431 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 ...
119 views

### What rules are used in international events

What rules are used during international events like the recent Samsung Cup?
180 views

### Game from 1978: Why does this fuseki position favor black?

\$\$ --------------------------------------- \$\$ | . . . . . . . . . . . . . . . . . . . | \$\$ | . . . . . . . . . . . . . . . . . . . | \$\$ | . . O . . . . . . . . . . . X . . . . | \$\$ | . . . , O . . . . ...
236 views

### Honinbo 1970, match 1: Why does white need to play toward the edge here?

People may remember this game from Strategtic Concepts of Go by Nagahara. \$\$ --------------------------------------- \$\$|. . . . . . . . . . . . . . . . . . .| \$\$|. . . 2 . . . . . . . . . . . . . . .|...
712 views

### Understanding influence and using it properly

I'm an amateur player, mostly-self taught with some help on KGS by a few awesome people. I think I now know my way around the board, and am not a complete plonker anymore, just a regular plonker :) ...
49 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 ...
242 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?
152 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 ...
338 views

### Why did black avoid the straightforward capture here?

The following position is from a 1998 China-Japan friendship match, described in Shuko's book The Only Move by Hinoki Press. \$\$Bcm31 Why B33? \$\$ --------------------------------------- \$\$ | . . . . . ...
2k views

### Why is the 19x19 board so much more common than other sizes?

While there are probably some cultural reasons, are there any general reasons a 19x19 board may be preferred? Also, if, say, 21x21 was suddenly found to be in some way superior and a large number of ...
640 views

### Why are the boards not square?

I noticed gobans are not square, but rectangular. Why is that, and what is the correct orientation of the board when playing?
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 ...