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Referenced by Keshi
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Keshi Is Worth As Much As An Invasion
Keywords: Problem
A keshi play, or "erasure", is a move made on the edge of an opponent's framework (moyo) or just outside it. The idea is to allow him some territory, but not that much. Typical keshis are the shoulder hit, the cap (boshi) and a play on the border of a central moyo.
An erasing move is often the smart choice for several reasons:
- First, it is less risky than an invasion, especially when you don't have support in the area.
- Second, while an invasion often permits the opponent to get outside thickness in exchange for losing some territory, a keshi move can help to build influence or contribute to a central moyo while keeping the opponent's area to manageable proportions.
- Third, many keshi moves such as the shoulder hit and boshi have more severe potential follow-ups, should opportunity arise.
- Fourth, keshi plays are usually light and can help you to retain sente - although Fujisawa Shuko Sensei notes that you can expect to end in gote if you play the shoulder hit (see his book "Reducing Territorial Frameworks").
- Finally, it's often quite amazing just how much an enemy territory can be reduced by keshi.
I hope this helps :-)
Tristan Jones (BGA 2 kyu)
This is a copy of the living page "Keshi Is Worth As Much As An Invasion" at Sensei's Library.
(C) the Authors, published under the OpenContent License V1.0.
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