The game of Go

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The game of Go

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go-presentation

Basic 15 minutes overview of the Go board game

On Github paulomenin / go-presentation

The game of Go

Presented by Paulo Henrique Menin

Go

Also knowns as Igo on Japan, Wei-qi on China or Baduk on Korea.

It's a board game played on a grid of black lines using black and white stones.

The aim is to surround more territory than the opponent.

Has simple rules but take years to learn how to play well.

Facts

Go is the oldest game in the world still played in its original form.

Some estimates are as high as 4000 years,but certainly 2500-3000.

Second most played game in the world, behind Chinese Chess.

It is believed there are more possible game variations than atoms in the visible universe.

Rules

Played by two players (Black and White). The board is a grid of 19x19 lines. Usual board sizes for beginners: 9x9 and 13x13. Each line intersection is called a point. Players take alternate turns, Black always starts. The player having the turn puts one of his own stones on an empty point. Instead of playing a stone,a player may pass.

Rules

If a player surrounds the opponent's stone or stones completely, he captures those stones and removes them from the board.
Ko rule: One may not play a move which repeats a previous board position.

End Game Rule

When neither player wants to keep putting stones, they will each pass. The player who controls more points wins the game.

  • There are two scoring systems:
  • Chinese: Counts territory and stones on the board.
  • Japanese: Count territory and captured stones.
Final position
Black points
White points

Black wins by 1 point.

A simple Go match

White wins by 1

Komi

Points added to the score of the player with the white stones as compensation for playing second

6.5 points is common in games played on a 19x19 board

0.5 for smaller boardsor between players with different strengths

Ranks

How to measure player strongness?

Using a rank system

Rank Type Range Stage Double-digit Kyu 30-10k Beginner Single-digit Kyu 9-1k Intermediate Amateur Dan 1-6d Advanced Professional Dan 1-9p Professional

Handicap

The weaker player gets handicap stones to compensate for the difference in ranks. That way, both players have a chance to win.

Now that you known the rules of Go Everyone here are at least 30k Go players!

Concepts

Groups

One or more stones adjacent to each other. They do not connect by diagonals.

Concepts

Liberties

Number of empty points adjacents to a group. When a group no longer has liberties it is captured.

Atari

Concepts

Eyes

Go players call an eye is an empty space surrounded by stones of one colour.

Concepts

Life and Death

Two eyes guarantee the life of a group.

Only groups with two eyes or more survives at the end.

Thank You!

Want to learn more?

The game of Go Presented by Paulo Henrique Menin