The Evolution of Modern Chess Rules: En Passant

For centuries, pawns could move forward two squares on their initial move. But the rules were debated when the move bypassed control of an enemy pawn.

How the Rules of Chess Have Changed

Pawn promotion, chess

Chess 101 - Everything a New Chess Player by Dave Schloss

New rule just dropped and replaced en passant. : r/AnarchyChess

Step-by-Step Guide to Understanding Chess En Passant Rule

Blog – Chess House

7 Chess Games Around the World - Some Dude Says

The Game of Chess by Nicolae Sfetcu - Issuu

When did modern Chess originate? - Quora