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Invasion
Path: InvasionItinerary · Prev: · Next: Uchikomi An invasion (Japanese: uchikomi) is a play made inside an enemy framework with the intention of living or escaping.
If after Black's kosumi 2 White makes a three-space extension 3, with the idea of having a good shape after the Black a-White b, exchange, Black instead plays an invasion 4. See also Invading Shimari, Invasions on the Side and 3-3 Point Invasion. Invasions occur throughout the game.
The difference between the second and third cases is that invasions in the middle game phase may create weak groups; which have no place in the endgame, where everything in theory is already settled in status and there is nowhere much to run. Path: InvasionItinerary · Prev: · Next: Uchikomi This is a copy of the living page "Invasion" at Sensei's Library. (C) the Authors, published under the OpenContent License V1.0. |