A free program for Android, by Maksim Kolosov.
In chess, there are two main types of positions, and there are different ways of moving between them. Some positions are easier to reach, and some are harder. In order to reach a harder position, you need to solve a difficult puzzle.
In the game, there are several difficulty levels. The higher the level, the more difficult the game is. The game is divided into four levels. Each level consists of a number of chess games, and each game consists of four positions. In each position, there are two possible ways of moving, and in each way, you can move one, two, three, or four spaces.
In addition, each move consists of one, two, or three symbols. A symbol is an element of the chessboard. The symbols are divided into two categories, a piece and an empty space. A piece can be moved from one position to another position on the chessboard. An empty space is a space that is not occupied by a piece.
In chess, it is possible to checkmate the king. If you are able to solve a chess game with a king and a queen, then you are a master of chess.
