Dice chess can refer to a number of chess variants in which dice are used to alter gameplay; specifically that the moves available to each player are determined by rolling a pair of ordinary six-sided dice. There are many different variations of this form of dice chess. One of them is described here.

The players alternate rolling the dice and, if possible, moving. On each of the dice, the one represents a pawn, two a knight, three a bishop, four a rook, five a queen, and six a king. The player may move either of the pieces indicated on the two dice.

For example, a player rolling a one and a two may move either a pawn or a knight. A player who rolls doubles (the same number on both dice) may play any legal move. Otherwise, standard chess rules apply, with these exceptions: Here is a sample game of dice chess.

White rolls doubles, allowing her to play any move, and selects 1.e4. Black rolls a two and a three; no bishop move being possible, he plays 1...Nc6. White rolls a three and a four, and plays 2.Bc4.

Black rolls a four and a five; since no queen move is possible, he must play the only legal rook move, 2...Rb8. White rolls a three and a six, and plays 3.Bxf7+. Black rolls a two and a four; since no knight or rook move is a legal response to the check, he must pass.

(Only a six, or doubles, would have allowed him to move.) White rolls a two and a four, and chooses 4.Nh3. (A three or five would have enabled an immediate win with 4.Bxe8, 4.Qf3# or 4.Qh5#). Black rolls a one and a three; again, this does not allow a legal response to the check, so he must pass.

White rolls a two and a four, and plays 5.Ng5#. (See final position at right.) There is no standard set of rules for Dice Chess, and so games called 'Dice Chess' may have different rules to the ones given here.

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