Andreas Guettinger, (Andreas Güttinger)
a Swiss microbiologist  affiliated with University of Bern, at times with interests in chess, programming, and computer chess programming along with his private engine Anima , in particular bitboard techniques .
- ASCII Board representation by Andreas Guettinger, CCC, December 08, 2003
- logging and C++ by Andreas Guettinger, CCC, January 17, 2006 » Logging, C++
- Re: Fastest Magic Move Bitboard Generator ready to use by Andreas Guettinger, Winboard Forum, August 25, 2006 » Magic Bitboards
- Re: Compact Bitboard Attacks by Andreas Guettinger, Winboard Forum, September 14, 2006 » Kindergarten Bitboards
- Bitboards and inCheck by Andreas Guettinger, Winboard Forum, January 03, 2007 » Checks and Pinned Pieces (Bitboards)
- Re: Who is who by Andreas Guettinger, Hiarcs Forum, July 31, 2007