Robocide

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Jacek Pałucha - Checkmate for a robot [1] [2] Robocide,

an UCI compliant open source chess engine by Daniel White, written in C from scratch, and distributed under the GNU General Public License [3]. Robocide uses Pradu Kannan’s Magic Bitboards to determine sliding piece attacks. The ability to compile a ’tuning’ version allows to adjust many of the search and evaluation parameters via UCI options [4].

Board Representation

• Bitboards
• Magic Bitboards
• BitScan Forward by De Bruijn Multiplication or Trailing Zero Count intrinsic
• SWAR-Popcount or 64-bit popcount instruction

Search

• Iterative Deepening
• Principal Variation Search
• Transposition Table
• Move Ordering
  • Internal Iterative Deepening
  • History Heuristic
  • Killer Heuristic
• Selectivity
  • Check Extensions
  • Mate Distance Pruning
  • Null Move Pruning
  • Late Move Reductions
  • Quiescence Search
  • SEE Pruning

Evaluation

• Tapered Eval
• Score Grain in Millipawns
• Material
• Material Hash Table
• Piece-Square Tables
• Pawn Structure
  • Pawn Hash Table
  • Passed Pawn
  • Doubled Pawn
  • Isolated Pawn
• Evaluation of Pieces
  • Bishop Mobility
  • Trapped Pieces
  • Rook on Open File
  • Rook on 7th Rank
• King Safety
  • Pawn Shield
  • Castling Ability
• Tempo Bonus

Misc#

• Interior Node Recognizer
• KPK Bitbase
• Perft
• Pondering

See also#

• iota
• RobboLito
• Robots

Forum Posts#

• CCWiki - two new engines etc. by Norbert Raimund Leisner, CCC, January 31, 2014

Re: CCWiki - two new engines etc. by Daniel White, CCC, January 31, 2014

• Mac OS X for Robocide? by Norbert Raimund Leisner, CCC, February 15, 2014
• Robocide newer compilation request by Günther Simon, CCC, May 04, 2016

External Links#

Chess Engine#

• GitHub - DanielWhite94/robocide
• Robocide in CCRL Blitz

Misc#

• Robo from Wikipedia
• robo- - Wiktionary
• -cide - Wiktionary
• Jonas Hellborg with Glen Velez - Regicide, Ars Moriende (1994), YouTube Video

References#

1. ↑ Tableaux ayant pour sujet les échecs
2. ↑ Шахматы в искусстве (48 часть): valsur — LiveJournal
3. ↑ GitHub - DanielWhite94/robocide - GitHub - DanielWhite94/robocide: Robocide is a free, open-source UCI chess engine written in C from scratch
4. ↑ robocide/Readme.md at master · DanielWhite94/robocide · GitHub
5. ↑ robocide/Readme.md at master · DanielWhite94/robocide · GitHub

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