Games Invented by Karl Scherer programmed as Java scripts
- Black Hole Chess. Pieces moved to the center four squares of the board fall into your hand. Author: Ed Friedlander. Inventor: Karl Scherer.
- Hermit Chess. Play vs opponent making increasing numbers of random moves. Author: Ed Friedlander. Inventor: Karl Scherer.
- Magic Carpet Chess. Each player has a magic carpet to move a non-King to any empty square on the board. Author: Ed Friedlander. Inventor: Denis van Straten and Karl Scherer.
- River Chess. Win by getting a piece to the opposite side. Author: Ed Friedlander. Inventor: Karl Scherer.