A brilliant or spectacular move in games like shogi or chess—an unexpectedly strong or clever move.
対局中、彼の一手はまさに妙手だった。
During the match, his move was truly a brilliant one.
プロ棋士が指した妙手で形勢が逆転した。
The professional player's brilliant move turned the tide.
その詰めの局面での妙手は解説者も驚いた。
Even the commentators were surprised by that brilliant finishing move.
An expert or virtuoso—someone with exceptional skill in a particular field.
彼女は和裁の妙手として知られている。
She is known as a virtuoso of traditional Japanese sewing.
あの職人は道具の扱いが妙手だ。
That craftsman handles his tools with masterful skill.
名画を復元する妙手が求められる仕事だ。
It's a job that requires a masterful hand to restore famous paintings.