Tsumego theory question

[yebellz]

About Bent Four in the Corner

[Study Group] Essential Life and Death Patterns

Shape 6: Bent Four in the Corner I’ll stop calling these “weeks” now. Here is the reference shape for “bent four in the corner”. [1-basic] The reference shape is unsettled Of course, black can make life: [2-life] However, white can start a ko fight: [3-ko] If white wins the ko fight, black can be captured: [4-finishko] However, white might not want to start the ko fight if the ko situation in unfavorable. If black has one external liberty, white must end the ko fight differently: [5-f…

How it the bent four in the corner seki can behave under Chinese rules

Life and Death under Chinese Rules

Consider the following board position under Chinese rules with a 5.5 point komi [game1] Which stones are alive or dead? Who will win this game and by how much? What is the best line of play? The purpose of this example is to explore how life and death is handled under Chinese rules. Pause here to consider the above questions if you wish to treat this example as a problem, before reading on into the rest of the discussion. Discussion Note that white’s group in the top-left forms a “bent fo…