Dice chess

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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.[1] One of them is described here.

Rules[edit]

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:

  • a player who has no legal move with either of the pieces indicated by the dice loses that turn (passed turn);
  • if castling is otherwise legal, a player may castle upon rolling a four, six, or doubles;
  • an en passant capture of a pawn is possible only if the player rolls a one, or doubles, immediately once the opportunity for the en passant capture arises;
  • a player who is in check can only play a legal response to that check (capturing the checking piece, moving the king, or interposing a piece);
  • a player who is in check but does not make a roll allowing a legal response to the check loses that turn, but does not automatically lose the game;
  • except in the unlikely event that the game ends in a draw pursuant to the standard rules of chess, the game ends when one player either checkmates the opponent or captures the opponent's king.
a b c d e f g h
8
Chessboard480.svg
b8 black rook
c8 black bishop
d8 black queen
e8 black king
f8 black bishop
g8 black knight
h8 black rook
a7 black pawn
b7 black pawn
c7 black pawn
d7 black pawn
e7 black pawn
f7 white bishop
g7 black pawn
h7 black pawn
c6 black knight
g5 white knight
e4 white pawn
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white king
h1 white rook
8
7 7
6 6
5 5
4 4
3 3
2 2
1 1
a b c d e f g h
Black is checkmated

Sample game[edit]

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.)

Variants on these rules[edit]

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.

For example, in the version of 'dice chess' given on the BrainKing site:[2]

  • The players roll only one die.
  • Pawns may move from the seventh to the eighth rank not only on a roll of 1 (when they promote to a piece of the player's choice), but also on a roll of 2, 3, 4 or 5 (when they can promote only to the piece specified by the roll).
  • There is no check or checkmate. Rather, the goal is to actually capture the king.
a b c d e f g h i j
10 a10 black rook b10 black knight c10 black bishop d10 black queen e10 black king f10 black king g10 black king h10 black bishop i10 black knight j10 black rook 10
9 a9 black pawn b9 black pawn c9 black pawn d9 black pawn e9 black pawn f9 black pawn g9 black pawn h9 black pawn i9 black pawn j9 black pawn 9
8 a8 b8 c8 d8 e8 f8 g8 h8 i8 j8 8
7 a7 b7 c7 d7 e7 f7 g7 h7 i7 j7 7
6 a6 b6 c6 d6 e6 f6 g6 h6 i6 j6 6
5 a5 b5 c5 d5 e5 f5 g5 h5 i5 j5 5
4 a4 b4 c4 d4 e4 f4 g4 h4 i4 j4 4
3 a3 b3 c3 d3 e3 f3 g3 h3 i3 j3 3
2 a2 white pawn b2 white pawn c2 white pawn d2 white pawn e2 white pawn f2 white pawn g2 white pawn h2 white pawn i2 white pawn j2 white pawn 2
1 a1 white rook b1 white knight c1 white bishop d1 white queen e1 white king f1 white king g1 white king h1 white bishop i1 white knight j1 white rook 1
a b c d e f g h i j
Dice chess on 10x10 board.

BrainKing also provides a variant on 10x10 board with three kings on each side.[3] To win you need to capture all enemy kings. All other rules are the same as for 8x8 version. The intention of adding two more kings is to reduce the elements of chance in the game.

Another form of dice chess is "Vegas Fun Chess", whose rules are described here. That site also indicates that "Pritchard's Encyclopedia of Chess Variants contains descriptions of seven versions of what he calls 'Dice Chess'."

John Gollon, in his book Chess Variations: Ancient, Regional, and Modern, notes three ways in which dice may be used in connection with a game of chess. The most common is similar to that described in the preceding sections. A second way to use dice is to have each player roll one die on each turn, with the number rolled indicating the number of moves to be played. The maximum number of moves that can be played is usually four, so a roll of a four, five, or six allows the player to make four moves. A third form of the game uses two dice of contrasting colors, with one determining the piece that can move, and the other the number of moves that the piece makes.[1]

History[edit]

Anne Sunnucks writes that there is evidence from the literature of the period that dice were used to play chess in Europe between the 11th and 14th centuries, and even earlier in Burma and India. The dice were thrown before each turn to determine the piece to be moved; the same numbering system as set forth above was used (1=pawn, 2=knight, etc.).[4] In the Burmese form of the game, three dice were thrown and each player made three moves at a time.[5] Vladimir Pribylinec writes that the cubes in the Cubic chess are moving as in orthochess by a symbol uppermost it is described in both editions of Pritchard´ Encyclopedia of Chess Variants, first time published in 1977-th. In the variant Protheus cubes are turned on the adjacent squares.

See also[edit]

Footnotes[edit]

  1. ^ a b John Gollon, Chess Variations: Ancient, Regional, and Modern, Charles E. Tuttle Company, 1974, pp. 231-32. ISBN 0-8048-1122-9.
  2. ^ BrainKing Dice Chess rules
  3. ^ BrainKing Dice Chess 10x10 rules
  4. ^ Anne Sunnucks, The Encyclopaedia of Chess, St. Martin's Press, 1970, pp. 97-98. Sunnucks does not make clear if only one die or both dice were thrown, and, if the latter, whether the player could choose which of the specified pieces to move.
  5. ^ Sunnucks, p. 98.