Home * Engines * Bagatur

		Bagatur, a free open source chess program under the Eclipse Public License [1] written in Java by Krasimir Topchiyski from Bulgaria. The project has started around year 2000. The engine is quite strong, for example the ELO of version 1.4d is about 2500 based on CCRL [2] . The open source project is hosted at GitHub [3] , where one can find everything relevant like downloads and java source code of the program. Under Windows and Linux the program hasn't its own user interface and uses arbitrary UCI user interfaces like Arena. Under Android there is a game called Chess Art For Kids [4] with an own GUI, which incorporates Bagatur as a chess engine.
One of Bagatur's Logos

Etymology

Bagatur (βαγατουρ or βογοτορ) is a higher rank of proto-Bulgarian warrior. According to some authors the word comes from Turkic (bagadur) and literally means brave, brave man. According to the same in the Russian language will pass as Богатыри - hero.

Technical Information

The programming code is structured in multiple Java modules / APIs, which could be used separately, including modules for experiments with Artificial Intelligence and Machine Learning. More details could be found inside the readme files of each sub-project of the programming code ^[5]. Here are some of the algorithms and heuristics applied in Bagatur:

• Search
  • MTD(f) algorithm
  • Iterative Deepening
  • Internal Iterative Deepening
  • Principal Variation Search
  • Quiescence search
  • Static Exchange Evaluation
  • Killer Heuristic
  • History Heuristic

• Selectivity
  • Mate Distance Pruning
  • Verified Null Move Pruning
  • Recursive null moves
  • Late Move Reductions
  • Static pruning of Alpha nodes
  • Check Extensions

• Tables
  • Transposition Table with Zobrist Hashing
  • Evaluation Hash Table
  • Pawn Hash Table

• Misc
  • Board Representation - mix between Arrays and Bitboards
  • Opening Book
  • Gaviota endgame tablebases

See also

• Chess Art For Kids
• Military
• Mythology

Forum Posts

• BagaturChess -an interesting chess engine by Ruxy Sylwyka, CCC, August 11, 2011
• BagaturChess 1.2c (Java) by Krasimir Topchiyski by Ruxy Sylwyka, CCC, December 04, 2011
• Check Latest Bagatur Version! by George Speight, CCC, September 15, 2012

External Links

Chess Engine

• GitHub - bagaturchess/Bagatur-Chess-Engine-And-Tools: Bagatur Chess Engine and Tools - Downloads and Sources
• BagaturChess download | SourceForge.net
• Chess Art for Kids - Android Apps on Google Play
• Bagatur at CCRL 40/40

Misc

• Baghatur from Wikipedia
• Bogatyr from Wikipedia

References

1. ^ EPL - Eclipse Public License - v 1.0
2. ^ Bagatur at CCRL 40/40
3. ^ GitHub - bagaturchess/Bagatur-Chess-Engine-And-Tools: Bagatur Chess Engine and Tools - Downloads and Sources
4. ^ Chess Art for Kids - Android Apps on Google Play
5. ^ GitHub - bagaturchess/Bagatur-Chess-Engine-And-Tools: Bagatur Chess Engine and Tools - Downloads and Sources

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