Arasan is a chess program which includes an opening book with over 100,000 moves.
Arasan has both a native Windows user interface and a console-based chess engine for use with Winboard or xboard. Arasan also works with Arena, another free chess interface, and with UCI-compatible programs like Shredder.
FreewareFiles tested Arasan Chess 13.4 on 2012-01-05 using leading
antivirus scanners and found it 100% Clean. It does not contain any form
of malware, spyware, viruses, trojans, etc. We will re-test each updated
version and remove the award as well as the program if found infected.