Rules

Tim Just, CLO columnist
The Queens Gambit on Netflix has done a lot for promoting our beloved royal sport. The show has also triggered a flood of nostalgia. Read More »
Perpetual Check
Early attempts at these rules were too ambiguous for proper enforcement, and later attempts were made to provide clarity on dealing with repeat moves… Read More »
The Chess Player by George Walker
The 50-move draw rule took centuries to reach its modern definition.Read More »
Stalemate
Though the concept of stalemate had long been recognized, there was no universally accepted rule on its significance before the 19th century.Read… Read More »
Tim Just, CLO columnist
Entering chess tournaments is a lot like those pop-up screens that bring our computers and smartphone activities to a screeching halt. Read More »
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… Read More »
The Evolution of Modern Chess Rules
Throughout the history of chess, the only direction a pawn could move is forward. The only variable left was what happened when a pawn reached the… Read More »
Chess Castling
Part Three of former US Chess President John McCrary's historical series tracks the progression of the modern-day castling maneuver.Read More »
White on Right
Former US Chess President John McCrary continues his historical series by examining when and how White received the first move.Read More »
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