Scandinavian strategy board game popular in the Middle Ages. In Scandinavian society, it was compared 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.-number of attacking (black) and defending (white) pieces. You can play the game with artificial intelligence, with another person on the device, or with an opponent online in multiplayer mode. The attacking black pieces move first. Then the players take turns. All pieces move vertically or horizontally to any number