Place stones, then force stack-captures with groups of adjacent singletons. When someone cannot move, compare group sizes lexicographically; the larger profile wins.

Inventor: Kanare Kato

See BoardGameGeek thread.

Default.

Larger board (size-4).

• Current engine version: 20260615 (2026-06-15). On Abstract Play since 2026-07-13.

• Designed for a long game on a small board (about 60 moves on base-3).

• https://boardgamegeek.com/thread/3684281