15. The "Will-o'-the-Wisp" is formed by the first three moves: 11 to 15, 23 to 19, 9 to 13.
N.B.—The reader should observe, in studying the position following, that the numbering of the squares always starts from the black side of the board, whether black occupy the upper or the lower rows.
END GAMES.
Two Kings To One.
Position.
To win with two Kings against one in the double corner (see Fig. 3) is often a source of difficulty to the learner, and yet, once known, nothing is more simple. The following shows how to force the win: