Berserk
Berserk,
an UCI compliant open source chess engine by Jay Honnold, written in C and licensed under the GPL v3.0, first released in February 2021 [2].
Berserk 4.2.0-dev had its tournament debut at TCEC Season 21 in May 2021 and gained a respectable 50% score in its strong Qualification League. Version 5 marked the end of Hand Crafted Evaluation in Berserk. Berserk 6 and following feature NNUE evaluation with an own network architecture [3].
Contents
Credit
Berserk was influenced by other engines, engine authors and resources [4]:
- Chess22k by Sander Maassen vd Brink
- BBC and its Video Series by Maksim Korzh
- Martin Sedlak
- Vice by BlueFeverSoft
- Stockfish by Tord Romstad, Marco Costalba, Joona Kiiski and Gary Linscott et al.
- Ethereal and OpenBench by Andrew Grant
- CPW (thank you)
- Connor McMonigle (Seer author) for his guidance on NNs
Features
Board Representation
Search
- Lazy SMP
- Iterative Deepening
- Aspiration Windows
- Negamax
- Principal Variation Search
- Transposition Table
- Move Ordering
- Selectivity
Evaluation
- NNUE (Berserk 6)
- Tapered Eval
- Material
- Piece-Square Tables
- Mobility
- Outposts
- Pawn Structure
- King Safety
- Tactical Pattern
- Tempo
Misc
See also
Forum Posts
- Berserk Chess Engine (new) by Jay Honnold, CCRL Discussion Board, February 20, 2021
- Re: New engine releases & news 2021 by Gabor Szots, CCC, February 20, 2021
- Re: New engine releases & news 2021 (Berserk 2.0.0) by Gabor Szots, CCC, March 05, 2021
- Re: New engine releases & news 2021 (Berserk 3.0.0) by Gabor Szots, CCC, March 19, 2021
- Re: New engine releases & news 2021 (Berserk 4.0.0) by Jay Honnold, CCC, April 27, 2021
- Re: New engine releases & news 2021 (Berserk 4.1.0) by Jay Honnold, CCC, May 02, 2021
- Re: New engine releases & news 2021 (Berserk 4.2.0) by Jay Honnold, CCC, May 25, 2021
- Re: New engine releases & news 2021 (Berserk 4.3.0) by Jay Honnold, CCC, July 03, 2021
- Re: New engine releases & news 2021 (Berserk 6) by Jay Honnold, CCC, October 19, 2021
- Berserk 7 by Jay Honnold, CCC, November 05, 2021
- Berserk 8 Released by Jay Honnold, CCC, December 05, 2021
External Links
Chess Engine
- GitHub - jhonnold/berserk: UCI Chess Engine written in C
- Berserk in CCRL Blitz
- Berserk in CCRL 40/15
Misc
- berserk - Wiktionary
- Berserk from Wikipedia
- Berserker (disambiguation) from Wikipedia
- Berserker from Wikipedia
- The Dave Fox Group - Berserker, Gatewalk (2004), YouTube Video
References
- ↑ "Berserker" warder (rook) of the Lewis Chessmen in the British Museum, probably made in Norway in the 12th century, Wikimedia Commons
- ↑ Berserk Chess Engine (new) by Jay Honnold, CCRL Discussion Board, February 20, 2021
- ↑ Release Berserk 6 · jhonnold/berserk · GitHub
- ↑ 4.0 4.1 berserk/README.md at main · jhonnold/berserk · GitHub