Dörvön Cag (The four seasons) is a blockade game played in Mongolia.
Rules
A circle, with four points equally spaced along the circumference, as well as a point in the center. A diameter is drawn between two of the outer points and through the center. Two players. Two pieces per player. Players alternate turns placing a piece on the board. When all of the pieces are placed, players alternate turns moving a piece to an empty adjacent point along the lines. The player who blocks the other player from being able to move wins.
