1999

Nineteen

2–2 players · 10 min · 10+

Nineteen is played on a 3×3 hexagonal board. The board is occupied by stones.

On each turn, each player must do one of the following actions:

 Remove one stone
 Remove two adjacent stones
 Remove three stone forming a triangle

The player that removes the last stone loses.

Rules and strategy

Source knowledge for this edition still needs preparation or review.

Source rules are needed before we can answer reliably.

Answers show their sources. When the evidence is missing or unclear, we’ll say so.