Starts with the letter 'D'
- Dai-Ryu Shogi. Large Shogi variant with new pieces. (9x16, Cells: 144) By Jared B. McComb.
- Davis Variation of Suicide Chess. Win by checkmate or by loosing your pieces. (8x8, Cells: 64) By Michael D. Davis.
- DCP.WOZ Chess. Large variant with unorthodox pieces. (9x10, Cells: 90)
- Deep Blue versus Kasparov. White and Black each have their own way of winning.
- Delayed Chess. Only see your opponent's moves that are two moves old. Author: Karl Scherer. Inventor: Peter Obermair.
- Delegating Chess. 84 square variant in which pieces delegate moving powers. (7x12, Cells: 84) By João Pedro Neto.
- Delegating Chess . 84 square variant in which pieces delegate moving powers. Author: Peter Aronson. Inventor: João Pedro Neto.
- Delta PI. Commercial chess variant with science fiction theme.
- Deneb. Special pieces and winning conditions. (7x9, Cells: 63) By Roberto Lavieri.
- Deneb . Special pieces and winning conditions. By Roberto Lavieri.
- Deneb. Now you can play Deneb on the Play-By-Mail system! Author: Roberto Lavieri and Tony Quintanilla. Inventor: Roberto Lavieri.
- Deneb Play-By-Mail game. Observe this game being played in the Invent and Play contest! Turn 4. Author: Roberto Lavieri and Tony Quintanilla. Inventor: Roberto Lavieri.
- Deployment. The initial setup of the pieces is open but hidden from the other player. (8x8, Cells: 64) By Ronald Drinning.
- Descent Chess. Start with a King and two Pawns, then move or drop one of the remaining pieces. (8x8, Cells: 64) By Andreas Kaufmann.
- Desert Benedict Chess. A hybrid of Desert Chess by Uwe Wiedemann and Benedict Chess by W.D Troyka. By Rich Hutnik.
- Dice Mate Chess. No capture; checkmate only happens if roll of the dice is favorable. (8x8, Cells: 64) By George William Duke.
- Dice Mate Chess. No capture; checkmate only happens if roll of the dice is favorable. By George William Duke.
- Diplomat Chess. Round-board variant with a Diplomat to suborn opponents. (Cells: 43) By Carlos Martin-Fuertes.
- Diplomat Chess . Round-board variant with a Diplomat to suborn opponents. By Carlos Martin-Fuertes.
- Doppelganger Chess. Pieces and their doppelgangers are connected for capture and promotion! (8x8, Cells: 64) By Gary K. Gifford.
- Doppelganger Chess. Pieces have their "doubles" (Doppelgangers). Capture an opponent's piece to make both disappear... uses a FIDE chess set. By Gary K. Gifford.
- Double Alternate Chess. Game played on two boards with object to checkmate either King. Inventor: Ken Franklin.
- Dragoon Chess. An attempt to make Chess more strategic by making pieces more mobile. By NotCricket .
- dUchess. Chess on two levels. (8x8x2, Cells: 128) By Eric S. Clayton.
- Duel Chess. Captured pieces are sent to a separate Duel board to see who is eliminated and who returns. (5x7x2, Cells: 43) By Erez Schatz.
- Dueling Archbishops. Chess variant on 2 by 3 board. (2x3, Cells: 6)
- Dueling Archbishops. Chess game with only six cells but with a piece that morphs into four different forms. Author: Jeremy Gabriel Good.
- Duggan's Fantasy Chess (revised). Revised and Improved version of fantasy Chess variant. (8x8, Cells: 64) By Sean Christopher Duggan.
- Dune Chess. Chess variant based on the Dune novels of Frank Herbert. By Larry L. Smith.
Total items listed: 29