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Lethal squeeze (W4 connects)
Black can't resist
White solves a larger problem
Black is dead
A squeeze (or squeeze tesuji) is a play or sequence that forces a player's stones into an inefficient shape by wringing out the liberties of a group through combination of sacrifice and forced capture? exchanges. Beneficial exchanges, leading to the squeeze, can be forced by ataris and atari/capturing race threats.
Squeeze plays are very rewarding and can range from easy to spot to highly sophisticated. Nonetheless, with a bit of practice you too can see how to set up squeezes and force your opponents into inefficient shape, and conversely, avoid being squeezed yourself.
. . . in order to force with and then squeeze with and - ending up with good shape and leaving White in a dango shape.
Black continues to squeeze White, making territory in the process.
The squeeze can also be used as a capturing technique. In this example, Black sacrifices the marked stone to squeeze with and and subsequently kills with .
Before connecting, White pushed a little bit into the center with . Black could not resist . Instead of trying to save the marked stone, White plays . . .
leaves Black with a very bad shape, and White plays out to , guarding against a cut at a, and sealing off Black's escape route through b.
- The top two examples on this page are shamelessly copied (with permission) from goproblems.com, which also has many other tesuji problems.