A Scandinavian strategy board game that was popular in the Middle Ages. In Scandinavian society, it was comparable to chess. The game has game variants that differ in: - board size: 7, 9, 11, 13 - victory conditions: bring the king to the edge or corner of the board. - king encirclement conditions: from two or four sides. - the number of attacking (black) and defending (white) pieces. You can play the game with artificial intelligence, with another person on one device, or with an opponent online in multiplayer mode. The attacking black pieces move first. Then the players move in turns. All pieces move vertically or horizontally to any num