Phodopus Sungorus 1
- Djungarian hamster (Phodopus sungorus) named Świr eating pumpkin (Cucurbita) seed, Photo by Mar lena, April 09, 2012, Djungarian hamster (Phodopus sungorus) from Wikipedia↩︎
Sungorus,
an UCI compliant open source chess engine by Pablo Vazquez, first released in June 2009 1. Last recent version is Sungorus 1.4 from June 2010, which was base of further development by Pawel Koziol and his Rodent engine 2.
Contents
Features
Board Representation
- 6+2 Bitboard Board Definition
- 8x8 Board
- Kindergarten Bitboards
- BitScan by De Bruijn Multiplication
- SWAR-Popcount
Search
- Fail Soft Alpha-Beta with Principal Variation Search
- Quiescence Search at depth <= 0
- Transposition Table
- Null Move Pruning
- PV-Table on Stack
- MVV/LVA for sorting captures
- History Heuristic
Evaluation
See also
Forum Posts
- Sungorus 1.0 by Pablo Vazquez, CCC, June 18, 2009
- Sungorus 1.0.1 : 1856 by Patrick Buchmann, CCC, June 21, 2009
- Sungorus 1.1 by Pablo Vazquez, CCC, July 05, 2009
- Sungorus 1.1 : 2167 by Patrick Buchmann, CCC, July 10, 2009
- Sungorus 1.2 by Pablo Vazquez, CCC, August 06, 2009
- Sungorus 1.2 : 2157 by Patrick Buchmann, CCC, August 08, 2009
- Sungorus 1.3 by Pablo Vazquez, CCC, February 13, 2010
- Sungorus 1.4 by Pablo Vazquez, CCC, June 30, 2010
External Links
Chess Engine
Misc
- Djungarian hamster (Phodopus sungorus) from Wikipedia
- Mongolian three-toed jerboa (Stylodipus sungorus) from Wikipedia
- Phodopus sungorus - Wikispecies
References
Sungorus 1.0 by Pablo Vazquez, CCC, June 18, 2009↩︎
open source gift for Christmas by Pawel Koziol, CCC, December 25, 2011↩︎