En passant rule as requested

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tellymetwise
Posts: 360
Joined: Mon Sep 22, 2003 3:48 pm

En passant rule as requested

Post by tellymetwise » Sat Dec 25, 2004 9:22 am

A long, long time ago, chess pawns could only move one square at a time.
To speed up the game, they invented the double move for the pawn as its optional first move.

Of coarse, some people started complaining that all of a sudden, those pawn couldn't be secured by their own advancing pawns. To avoid war besides the chess board and make the double move acceptable for everyone, they created the En passant move, which means "in passing".

This means that if a pawn is moved two squares as it first move and the opponent could capture that pawn had it moved only 1 square (the passed square) then it may still capture this pawn as if it had moved only one square.

The capture always accures from the 5th row to the 6th row or from the 4th row to the 3th row.
And the algebraic notation for example is:
pxb6 while the pawn actualy stands on b5 or
pxb3 while the pawn actualy stands on b4

in FEN notation, the En passant square provided as board position.
in the example below this would be: e6

rnbqkb1r/pppp1ppp/5n2/3Pp3/8/8/PPP1PPPP/RNBQKBNR w KQkq e6 0 1
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