The Blue Book of Chess / Teaching the Rudiments of the Game, and Giving an Analysis of All the Recognized Openings

TECHNICAL TERMS IN USE AMONG CHESS-PLAYERS.

From this circumstance it frequently happens that one party, by skilful management of his Pawns, contrives to have two, and sometimes even three Queens on the board at once, a combination of force which of course is irresistible.

He moves in a straight line, forwards, backwards, or sideways, having a uniform range, on a clear board, of fourteen squares, exclusive of the one he occupies.