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Third Line
Difficulty: Beginner
Keywords: Opening, Strategy
When we speak of the third line, this is what we mean:
On a 19x19 goban, it is said that the third line is the line of territory. This means that a fair exchange can result into stones on the third line facing the side, opposing stones on the fourth line building influence. The third line is useful for taking secure territory, and particularly for making the base of a group. It is the usual line to use for a wedge play on a side. When speaking of extensions or approach moves, the third line line will be referred to as low, whereas the fourth line is called high. The third line was used extensively in Edo period go. Gradually the fourth line was used more for extensions. Barring surrounding stones, a two-space extension on the third line cannot be cut. -- Chris Hayashida This is a copy of the living page "Third Line" at Sensei's Library. ![]() |