Games Invented by Köksal Karakus programmed as Java scripts
- Besiege Chess. Large variant with White on either side, Black in center. Author: Ed Friedlander. Inventor: Köksal Karakus.
- Ice Age Chess. Blocks of ice cover the board at intervals. Author: Ed Friedlander. Inventor: Köksal Karakus.
- Perfect Chess. Rook, bishop, knight, plus each of the four compounds ("perfect"). Author: Ed Friedlander. Inventor: Köksal Karakus.
- Transpose Chess. Sideways board, promote your pawns quickly. Author: Ed Friedlander. Inventor: Köksal Karakus.