A throw-in is a sacrifice stone played at the point where the enemy wants to connect, giving rise to a false eye, shortage of liberties, snapback, oiotoshi (connect-and-die), or squeeze. The expression feed may also be used: "(force-)feed the enemy a stone".
, trying to grab an extra point, is a mistake. Black can throw in at , and the eye here is false. Even if White takes at a, Black does not have to respond, as the eye at will never become real. at would have been life.
In this example, a throw-in is used to remove the eye which White could have made here.
- hōrikomi: "throw in"
- uchikaki: "play to deprive"
- kuwaseru: "feed"