Chess Rules

Rules of Chess


Overview
Chessboard
Chess Pieces
Pawn moves
  En passant
  Pawn promotion
Bishop moves
Knight moves
Rook moves
Queen moves
King moves
  Castling
Drawn games
  Stalemate
  50 move rule
  Insufficient material
  Perpetual check
  Threefold repetition
  Mutual agreement
Tournament rules
  Chess clocks
  Touch move
  Recording chess moves
  Chess etiquette

 

 

How a chess game is drawn due to insufficient material


A chess game is drawn if the pieces remaining on the board, such as a lone bishop or knight, are insufficient to force checkmate. The diagrams below are examples of drawn chess positions that illustrate this rule.