a private chess engine by Sander de Zoete which played the ICT 2003 and the ICT 2004. Praetorian's internal board representation relies on Reverse Bitboards  , which requires to serialize two sets for sliding piece move generation, one for the positive ray-directions and one for the reversed negative ray-directions.
- Praetorian - Wiktionary
- Praetorian from Wikipedia
- Praetor from Wikipedia
- Praetorian Guard from Wikipedia
- Praetorians Relief