Starts with the letter 'R'
- Record Chess. Try to reach a position in as little moves as possible. Author: Hans L. Bodlaender. Inventor: Ralph Schuler.
- Refusal chess. A problem. Author: Hans L. Bodlaender. Inventor: C. H. O'D. Alexander.
- The Retrograde Analysis Corner . Website with much information on retrograde chess problems.
- Revolver Practice: A Chess Problem. White mates in 21 moves on board in shape of revolver. Author: Hans L. Bodlaender. Inventor: T. R. Dawson.
|4 'Problem' entries listed||1 'Small board' entry listed|
|1 'Unorthodox shaped board' entry listed||4 'Solitaire game, puzzle or chess problem' entries listed|
Total items listed: 4