noun
expert; skillful person
Refers to a person with outstanding skill, often in traditional arts, crafts, or games. Somewhat formal or literary.
彼は将棋の好手として知られている。
He is known as a shogi expert.
noun
good move; clever move
Used in board games like shogi or go for a particularly effective or brilliant play. Can also be used figuratively for a smart decision.
この一手はまさに好手だった。
This move was truly a brilliant one.
Compound of 好 (good) and 手 (hand/person), literally 'good hand'. The derivation is straightforward from the kanji meanings.