also: なかおし
noun
win by resignation (go)
In go, a win where the opponent resigns before the game reaches its natural end. Often used in the phrase 中押し勝ち.
彼は中押し勝ちでタイトルを防衛した。
He defended his title with a win by resignation.
この対局は中押しで終わっ
This game ended with a resignation win.
Irregular okurigana variant; less common but encountered.
投了 refers to the act of resigning itself; 中押し is the resulting win by resignation, specifically in go.
Compound of 中 (ちゅう, 'middle') and 押し (おし, 'push'), referring to a win forced during the middle game by opponent's resignation.