Starts with the letter 'B'
- Bachelor Chess. Win by mating your opponent, or marrying off your King. (7x6, Cells: 42) By Doug Chatham.
- Bachelor Nimrod. Small variant with one each of distinctive Nimrod pieces, and of Knight. (6x6, Cells: 36) By Charles Gilman.
- Battery Chess. Chess on a Battery shaped board, with lots of batteries. (5x10, Cells: 46) By Abdul-Rahman Sibahi.
- Ben 39. Pieces move on squares and corners of board with 37 fixed and two movable squares. (Cells: 39) By Ben Good.
- Beryl Chess. Variant on board of 39 triangles. (Cells: 39) By Alexandre Muñiz.
- Bingo Chess. A cross between Chess and Bingo. (Cells: 41) By Doug Chatham.
- Biparite Chess. Small chess variant with two phases. (5x7, Cells: 43) By Timothy R. Newton.
- Bird Shogi. Tori Shogi, or Bird Shogi. A variant of Japanese Chess on a 7 by 7 board. (7x7, Cells: 49) Inventor: Ohashi Soei.
- Black Holes. On 5 by 8 board with holes as pieces which also can be used for transport. (5x8, Cells: 40) By Juraj Lörinc.
- Blind Chess. Played on the squares of half a Xiangqi board but using all the pieces. (8x4, Cells: 32)
- Border Wars. Game played on the 42 edges of a grid, with elements of Shogi and XiangQi. (Cells: 42) By Jared B. McComb.
- Border Wars II. Game played on line edges with Shogi-like aspects. (Cells: 44) By Jared B. McComb.
- Bottleneck Chess. Most pieces start the game locked up in two bottleneck parts of the board. (Cells: 41) By Köksal Karakus.
- The Bridge 41. 41 square board with bridge in the middle. (5x9, Cells: 41) By Hubert Lamontagne.
- Bushi shogi. Shogi variant on a two-square board! Bushi means Samurai. By Georg Dunkel.
- By Rook Or by Crook. Chess in the round on a hexagonal board with 42 trapezoidal squares. (Cells: 42) By Jeff Rients.
Total items listed: 16