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rules.md

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Rules

Introduction

Checkers is played by two players. Each player begins the game with 12 pawns(Black and White). Each player places their pieces on the 12 dark squares closest to them. Black moves first. Players then alternate moves.

The board consists of 64 squares(8 x 8), alternating between 32 dark and 32 light squares. It is positioned so that each player has a light square on the right side corner closest to them.

Rules of the Game

  • Moves are allowed only on the dark squares, so pieces always move diagonally. Single pieces are always limited to forward moves (toward the opponent).

  • A piece making a non-capturing move (not involving a jump) may move only one square.

  • A piece making a capturing move (a jump) leaps over one of the opponent's pieces, landing in a straight diagonal line on the other side. Only one piece may be captured in a single jump; however, multiple jumps are allowed during a single turn.

  • When a piece is captured, it is removed from the board.

  • If a player is able to make a capture, there is no option; the jump must be made. If more than one capture is available, the player is free to choose whichever he or she prefers, but he can only chain once. i.e. A player can only capture 2 pawns in the same move.

  • When a piece reaches the furthest row from the player who controls that piece, it is crowned and becomes a king. One of the pieces which had been captured is placed on top of the king so that it is twice as high as a single piece.

  • Kings are limited to moving diagonally but may move both forward and backward.

  • Kings may combine jumps in several directions, forward and backward, on the same turn. Single pieces may shift direction diagonally during a multiple capture turn, but must always jump forward (toward the opponent).

Rule Modification (if any)

  • At the beginning of each game, 3 unoccupied cells are selected randomly to be "obstacles". These cells do not change for the duration of the game. No pieces can be moved into these cells, or jump over them.

Win Criteria

A player wins the game when

  • The opponent cannot make a move because all of their pieces are blocked in.
  • The opponent's pieces have been captured
  • If there has been no captures for the last 50 moves(25 moves for each player)