Fairy chess piece a "crowned" piece. The crowned knight combines the knight with the king's moves. The dragon king of shogi is a crowned rook (rook + king). Marine pieces are compound pieces consisting of a rider (for ordinary moves) and a locust (for captures) in the same directions. Marine pieces have names alluding to the sea and its myths, e.g., nereide (marine bishop), mermaid (marine queen), or poseidon (marine king). Some classes of pieces come from a certain game, and will have common characteristics. Examples are the pieces from xiangqi, a Chinese game similar to chess. The most common are the "leo",
The Morals of Chess chess to life and writes that foresight, circumspection and caution can be learnt from the game. After describing the effects chess can have on one's perception of life he describes a set of moral rules that a chess player should hold, including to not cheat and not disturb the opponent. Franklin suggests that the opponent be told about mistakes he makes, for example if he would lose a piece. The essay is one of the first texts about chess that was published in the United States; it appeared in the first chess-related book that was published in Russia in 1791.