Eyes Collection

Given the importance of eyes in go, here are links to many pages on Sensei's Library regarding eyes:

Table of contents Taxonomy Definitions and Discussions Guides and tips Related Pages Deprecated stuff

Taxonomy

• Eye
• Two Eyes
• Real Eye and False Eye
  • Two Corners Kills The Eye
  • False Eye Life
• Eye Point
• Half Eye
• Fractional Eye
• Small Eye and Big Eye
• Eye Space
• Eye shape and Table of eye shapes
• Eye Liberties
  • Small Eye Liberties and Big Eye Liberties
  • Big Eyes can be Small in the Corner
• Eyes that Lose Liberties
• Eye in the belly

Definitions and Discussions

• Formal Definitions of Eye — Collection of attempts by various contributors
• Eye Potential
• Eye shape, Eye space - Discussion
• Seki with false eyes

Guides and tips

• Recognizing an Eye — A guide for beginners, including definitions
• Eye Liberties — How many liberties an eye of a given size is worth
• Instant eye tester — An attempt by Matt Noonan to make simplify checking that an eye is valid
• Two squares — A work in progress attempting to define life in terms of the squares around eyes

Related Pages

• Alive, Dead, Benson's Algorithm
• Life and Death
• Eyes Win Capturing races
  • Eye versus Eye Capturing Race
  • Eye versus No Eye Capturing Race
  • No Eye versus No Eye Capturing Race
• Eye-Stealing Tesuji
  • Learn the Eye-Stealing Tesuji
• Capture Three to Make an Eye
• Two stones on the third line can make an eye
• Two-Headed Dragon
• >The Code So Far/Eyes
• Seki with Eyes Question 1 and Seki with Eyes Question 2
• Eye by Exhaustion
• Largest capture that still can't live

Deprecated stuff

• Teaching eyes to beginners discussion — superseded by the generally accepted page Recognizing an eye
• Two Eyes Can Die — Patrick Traill: Why is this described as deprecated?