Five Field Kono: abstract strategy game from Korea

About Five Field Kono, from BoardGameGeek:

Five Field Kono is a traditional Korean game of position and blockade. It is played by two players, using seven pieces each, on a square board of 5x5 points. Each piece can move one square diagonally. There is no capture or jumping. The object of the game is to move all seven pieces to the opposite end of the board, where the opponent's pieces started. The first player to do this wins the game.