Starts with the letter 'Twi'
- Twiknight. Knights can make one double move a game, and always check with a double move. (8x8, Cells: 64) Author: Hans L. Bodlaender. Inventor: Jens Baek Nielsen.
- Twin-board Ecumenical Chess. Ecumenical Chess with extra Pawns, on two FIDE boards joined together on one or more edges. (Cells: 128) By Charles Gilman.
- Twinkie Danger Chess. Game on two initially unliked boards where each turn you add or drop a link. (8x8, Cells: 64) By Ralph Betza.
- Twins Chess. Rooks, knights, and bishops are twins and move together. (8x8, Cells: 64) By Edward Jackman.
|4 'Game' entries listed||1 'Large board' entry listed|
|1 'Circular shaped board' entry listed|
Total items listed: 4