FA-83343 / Card game rule engines / Member archive

Trick winner seat runs past the last seat · case 03

When the leader is late in the rotation the winner is reported as seat 4, 5 or 6.

Member previewVariant 3 · 3 implementations · 8 checks per implementation

Case contract

Input [cards_in_play_order, leader_seat, trump_or_None, seats]. The highest trump wins; with no trump played the highest card of the led suit wins (A high). Off-suit non-trump cards never win. Return the winning seat, counting clockwise from the leader.

Why this case matters

Card-game engines, scoring apps and online tables apply this rule automatically on every hand.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
trick case 0	`6`	`1`	Failed

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