Starts with the letter 'I'
- I'm a Ferz, Get Me Into There!. Inspired by title of Chas. Gilman's game, "I'm a Wazir, Get Me Out of Here!" Object is to get your Ferz to Z5. By Jeremy Gabriel Good.
- I'm a Wazir, Get Me Out of Here. Game composed of just wazirs and pawns. Wazirs, prone to special disappearing rule. Object : Get rid of your wazirs. Author: Jeremy Gabriel Good. Inventor: Charles Gilman.
- Ibu Ibu Chess. Ibu Ibu Chess in which the king's entourage protects it from Ubi-Ubis. By Jeremy Gabriel Good.
- Ideal Chess. Uses compound pieces to mimic the use of cards. By Graeme C Neatham.
- Imperial Chess. Play this large variant with new pieces and victory by capture of royal pieces! Author: Tony Quintanilla and James Killian Spratt. Inventor: James Killian Spratt.
- Imposter Chess. Play this game! Exchange captured pieces in order to move Kings in different ways. Author: Tony Quintanilla and Laila W. Stefan. Inventor: Laila W. Stefan.
- Improved Chess. An improvement of standard chess: a blocked pawn on the far side gets extra jump moves to empty squares (with zrf). By M Winther.
- Indistinguishable Chess. All pawns and pieces appear the same in color and size, for both sides. The board has no 'dark' squares. By Gary K. Gifford.
- Insane Ninja Chess. Play this exciting chess variant featuring two pairs of unique multi-mode pieces: Insane Ninjas and Mad Leaping Ninja Guards. By Charles Daniel.
- Interdependent Chess. A 42 square variant in which pieces borrow capturing ability from other pieces. By Fergus Duniho.
- Invasion. A military inspired Chess variant played on an 84-square board. Author: Antoine Fourrière. Inventor: Jean-Louis Cazaux.
|11 'Play by mail item' entries listed||3 'Large board' entries listed|
|1 'Small board' entry listed||1 'Uses cards' entry listed|
Total items listed: 11