Promotion (chess) - Wikipedia
Promotion (Chess) is a chess rule that a pawn that reaches its eighth rank is immediately changed into the player's choice of a queen, knight, rook, or bishop of the same color. | 升變,是西洋棋中的一種特殊著法,指兵到達最底一橫行時,可變成后、城堡、騎士、主教的其中一種。在一些變體中,容許變成國王甚至是對方的棋子。 | Pinned Time: 20140915 09:57, Taipei Time | #Concept #概念