Latest revision as of 00:28, 10 March 2015

The opening position for Los Alamos chess.

Rules

Los Alamos chess is played on a 6x6 board White moves first. White and black begin the game with 2 Knights (N)
White and black begin the game with 2 Rooks (R)
White and black begin the game with 1 Queen (Q)
White and black begin the game with 1 King (K)
The King is a royal piece (king). White and black begin the game with 6 Pawns (P)

Objectives

The game is won:

• If the enemy king is check-mated.

The game is a draw:

• If the enemy king is stale-mated.
• If the enemy only has a king left and cannot take your last piece
• If the same position occurs for the third time.
• If no progress has been made for 50 consecutive moves.
• If there is insufficient material to mate the enemy king.

Movement of the pieces

Knight (N)
The Knight moves and captures as a leaper (marked •). Betza description: N
Rook (R)
The Rook moves and captures as a slider (marked •). Betza description: R
Queen (Q)
The Queen moves and captures as a slider (marked •). Betza description: Q
King (K)
The King moves and captures as a leaper (marked •). Betza description: K
Pawn (P)
The Pawn moves as a stepper (marked •). The Pawn captures as a stepper (marked ×). Betza description: fmWfcF The Pawn cannot move back to the square it came from. The Pawn can promote to a Knight, Rook or Queen.

Promotion

Pawn (P)
The Pawn must promote when it reaches one of the squares marked with •. The Pawn can promote to a Knight, Rook or Queen.