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A pawn may move by vertically advancing to a vacant square ahead. The first time a pawn moves, it has the additional option of vertically advancing two squares, provided that both squares are vacant. Unlike other pieces, the pawn can only move forwards. In the second diagram, the pawn on c4 can move to c5; the pawn on e2 can move to either e3 ...
Pawns cannot move backwards. A pawn, unlike other pieces, captures differently from how it moves. A pawn can capture an enemy piece on either of the two squares diagonally in front of the pawn. It cannot move to those squares when vacant except when capturing en passant. The pawn is also involved in the two special moves en passant and ...
In early versions of chess, the pawn could not advance two squares on its first move. The two-square advance was introduced later, between the 13th and 16th centuries, to speed up games. [ 14 ] The en passant capture may have been introduced at that time, or it may have come later; references to en passant captures appear in the books by the ...
A pawn can move forward to the unoccupied square immediately in front of it on the same file, or on its first move it can optionally advance two squares along the same file, provided both squares are unoccupied (diagram dots). A pawn can capture an opponent's piece on a square diagonally in front of it by moving to that square (diagram crosses).
A player can either move one piece twice (this is the source of the famous trap in the "balanced" version of the game where White opening with pawn-two appears to be trivially busted by an unprincipled defense with the pawn on an adjacent file) or move two different pieces on their turn. Castling is considered a single move.
Pawns can move up to three steps on their first move. There is no en passant. If players agree, pawns can also move one step diagonally forward (to facilitate opening lines). A pawn promotes to rettah, but only if a rettah of the same colour was previously captured. There is no castling in Decimal Rettah.
In this position, the black king needs to get to one of the marked squares in order to draw. If it gets to one of the squares marked with "x", the king can move next to the pawn and the rook can capture the pawn for a draw. Otherwise, the king needs to stay on the squares marked with dots: g7 and h7.
Move the king towards the passed pawn. The defending king must also move that way, otherwise he will be forced to give up his rook for the pawn. If the attacking king can penetrate no further because the defending king is in opposition, use tempo moves by the rook up and down the file.