Large avalanche

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PageType: Path   Difficulty: Expert   Keywords: Joseki
[Diagram]

The large avalanche

After Black 3, the Large Avalanche pattern is complete (see Large Avalanche Simple Variations for the variations where White 2 or Black 3 is played elsewhere ). White 4, Black 5 and White 6 next are forced, after which Black can choose amongst a, b and c. Here a is the oldest variation, b is newer and c is most modern, having been introduced by Go Seigen in a game against Takagawa Kaku in 1957. Nowadays, c is the most popular variation, while b is also still played often. See for the follow-ups:

-- Andre Engels


Under which circumstances would one prefer to play the outward turn rather than the inward, and vice versa?

-- Phlegmatic

The inward turn was invented so as to take the corner territory. The outward turn implies outside influence.

-- Charles Matthews

In many professional games I see white in the diagram above leave the joseki when black plays 1 in order to play tenuki. What is the reasoning behind this? What if black then cuts, what are white's options?

-- Kanin?


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