Chess
Chess is a two-player strategy board game played on a checkered board with 64 squares.
Objective
The main objective is to checkmate the opponent's king, meaning the king is under attack and has no legal escape.
Games can also end in a draw if neither player wins.
The Chessboard
The board has 64 squares in an 8x8 grid.
It's oriented so players have a light-colored square on their right-hand corner.
Squares are identified by algebraic notation (e.g.,
a1,h8).
Chess Pieces
Each player starts with 16 pieces:
One King (K): Most important piece.
One Queen (Q): Most powerful piece.
Two Rooks (R): Powerful on open lines.
Two Knights (N): Can jump over other pieces.
Two Bishops (B): Travel on squares of one color.
Eight Pawns (P): Least powerful individually, but crucial.
Initial Setup
Pieces are set up in two rows on each side.
Back Row: Rooks in corners, then Knights, then Bishops. Queen and King in the center (Queen on her color).
Front Row: All eight pawns.
Basic Piece Movements
King (K): Moves one square in any direction.
Queen (Q): Moves any number of squares horizontally, vertically, or diagonally.
Rook (R): Moves any number of squares horizontally or vertically.
Bishop (B): Moves any number of squares diagonally.
Knight (N): Moves in an "L" shape, jumping over pieces.
Pawn (P): Moves one square forward (two on first move), captures one square diagonally forward. Cannot move backward.
Special Rules
Castling: King and Rook move simultaneously to protect the king and activate the rook.
En Passant: A special pawn capture where a pawn capturing another pawn that moved two squares forward.
Pawn Promotion: A pawn reaching the opponent's back rank must be promoted to a queen, rook, bishop, or knight.
Game Phases
Opening: Developing pieces, controlling the center, king safety.
Middlegame: Executing strategic and tactical plans.
Endgame: Few pieces remain, king activity is vital.
Draw Conditions
Stalemate: King not in check, but no legal moves.
Three-fold Repetition: Same position occurs three times.
50-Move Rule: 50 consecutive moves without pawn move or capture.
Insufficient Material: Not enough pieces to force checkmate.
Agreement: Players agree to a draw.
Basic Strategy & Tactics
Control the Center: Influence central squares.
Develop Pieces: Get pieces into active positions.
King Safety: Keep the king protected.
Material Advantage: Having more valuable pieces.
Space Advantage: Controlling more board squares.
Tempo: Gaining a move advantage.
Fork: One piece attacks two or more enemy pieces.
Pin: An attacking piece prevents an enemy piece from moving to protect a more valuable piece.
Skewer: A more valuable piece is attacked, forcing it to move and expose a less valuable piece behind it.
Winning & Losing
A game is won by checkmate or opponent resignation.
Chess Notation
Algebraic Notation: Standard system for recording moves using coordinates and piece symbols.
Common Terms
Check: King is under direct attack.
Blunder: A major mistake.
Sacrifice: Giving up material for an advantage.
Gambit: An opening sacrifice of a pawn for development.
Touch-move Rule: If a player touches a piece, they must move it (if legal).
Etiquette
Be respectful and polite.
Shake hands before and after.
Avoid distractions.
History & Culture
Chess originated in India around the 6th century AD.