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.-conditions for surrounding the king: 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 the same device, or with an opponent online in multiplayer mode. The attacking black pieces move first. Then the players move alternately. All pieces move vertically or horizontally to any number