Starts with the letter 'F'
- Fetch Chess. Double-move game where the Cat (who may be a 3rd player) may or may not fetch your pawns back. (8x8, Cells: 64) By Ralph Betza.
- Fiancé Chess. A 3-player variant with Kings and Queens starting far apart, inspired by Bachelor Chess. (12x12, Cells: 96) By Charles Gilman.
- Fimbriation Chess. Combines 4 players with 2-player Pawn treks and Castling. (14x14, Cells: 144) By Charles Gilman.
- Fivequarters. Four-player game on a cross-shaped board where most pieces can promote. (12x12, Cells: 80) By Charles Gilman.
- Flyover Shogi. A 4-player Shogi with each player facing all 3 others. (Cells: 162) By Charles Gilman.
- Flyover Xiang Qi. A 4-player Shogi with each player facing all 3 others. (18x20, Cells: 180) By Charles Gilman.
- Forchess . Four player chess variant on 8 by 8 board. By Tom Rogers.
- Foreign Policy Chess. Chess variant on 8 by 8 board with armies of unequal strength. (8x8, Cells: 64) By Francois Tremblay.
- Fortress chess. An old Russian variant for four players. (Cells: 192) Author: Hans L. Bodlaender.
- Four Armies. Each player controls two armies. (10x10, Cells: 100) By Patrick Riley.
- Four Handed Chess (I). Information on different variants of four handed chess on plus-shaped board. Author: Hans L. Bodlaender.
- Four Handed Chess II. More variants of four handed chess on plus-shaped boards. (Cells: 160) Author: Hans L. Bodlaender.
- Four Handed Perspective Chess. Missing description
- Four Handed Roman Chess. 4 player chess variant with additional new piece. By Mark Woodall.
- Four Player Shogi. Variant of Shogi for four players. (15x15, Cells: 189)
- Four Row Chess. Missing description (Cells: 208) By Eric S. Clayton.
- Four seasons chess.. Medieval multiplayer chess variant on 8 by 8 board. (8x8, Cells: 64) Author: Hans L. Bodlaender.
- Four-Handed Elephant Chess. A 4-Player (2 Team) game based on 3-Elephant Chess and 4-handed chess. (11x11, Cells: 97) By Gary K. Gifford.
- Froghouse. Like Bughouse except each team has a Black, White, and Green. Green goes "in between", namely after white but before black. (8x8, Cells: 64) By Jordan Lampe.
Total items listed: 19