Starts with the letter 'D'
- Dagger Chess. Hexagonal variant on board with 39 squares. (Cells: 39)
- Danadazo. Game played on the 47 edges of a grid with rounded corners, borrowing elements from Tafl. (Cells: 47) By Jared B. McComb.
- Dart Chess. Chess on a 6x6 board with a new piece: the Dart. (6x6, Cells: 36) By Darren Izzard.
- Dave's Example Game. This is Dave Howe's example of a user-posted game. (2x2, Cells: 4) By David Howe.
- Demi chess. Chess on a 4 by 8 board. (4x8, Cells: 32) Author: Hans L. Bodlaender. Inventor: Peter Krystufek.
- Diamond Chess. Chess variant on diamond shaped board with 40 squares. (Cells: 40) By Bruce Mills.
- Diana. Chess on a 6 by 6 board. (6x6, Cells: 36) Author: Hans L. Bodlaender. Inventor: ? Hopwood.
- Diminuendo Chess. Hexagonal variant: captured pieces are dropped in the center and diminished, not removed. (7x8, Cells: 43) By David Jagger.
- Dino-Czars. Battle between rival dinosaurs on a board of 42 triangles, where facing counts. (Cells: 42) By Clark Rodeffer.
- Diplomat Chess. Round-board variant with a Diplomat to suborn opponents. (Cells: 43) By Carlos Martin-Fuertes.
- Do-or-die Chazz. Pawns that can move backward and kings only on 5 by 8 board. (8x5, Cells: 40)
- Do-or-die Chess. Chess on 5 by 8 board: three rows removed. (8x5, Cells: 40)
- Dodl-schach. A truly small variant. (6x4, Cells: 24) Author: Hans L. Bodlaender.
- Dragonfly. Drop pieces you have taken on a 7 by 7 board. (7x7, Cells: 49) By Christian Freeling.
- Dream Chess 46. 46-squasre variant played from opposite corners of a FIDE board with the other corners removed. (8x8, Cells: 46) By Charles Gilman.
- Dream Chess 47. 47-square variant played from opposite corners of a 7 by 7 board with the other corners removed. (7x7, Cells: 47) By Charles Gilman.
- 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)
Total items listed: 18