battle of wits; contest of wits
A competition or game where intelligence, cleverness, or strategic thinking determines the winner.
Their debate is like a battle of wits.
The children had a contest of wits with riddles.
Standard kanji spelling.
Variant using 競; less common.
Compound of 知恵 (chie, 'wisdom') and 比べ (kurabe, 'comparison, contest').