<P> Beginners often develop the queen early in the game, hoping to plunder the enemy position and deliver an early checkmate such as Scholar's mate . This can expose the easily harassed queen to attacks by weaker pieces causing the player to lose time . Experienced players generally prefer to delay developing the queen, and instead develop minor pieces in the opening . </P> <P> Early queen attacks are rare in high level chess, but there are some openings with early queen development that are used by high level players . For example, the Scandinavian Defense (1. e4 d5), which often features queen moves by Black on the second and third moves is considered sound, and has been played at the world championship level . Some less common examples have also been observed in high level games . The Danvers Opening (1. e4 e5 2. Qh5), which is widely characterized as a beginner's opening, has occasionally been played by the strong American grandmaster Hikaru Nakamura . </P> <P> A queen exchange often marks the beginning of the endgame, but there are queen endgames, and sometimes queens are exchanged in the opening, long before the endgame . A common goal in the endgame is to promote a pawn to a queen . As the queen has the largest range and mobility, queen and king vs. lone king is an easy win when compared to some other basic mates . </P> <P> A queen sacrifice is the deliberate sacrifice of a queen in order to gain a more favorable tactical position . </P>

How many times can a queen move in chess