Difference between revisions of "RubiChess"
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* [https://en.wikipedia.org/wiki/Ruby_character Ruby character from Wikipedia] | * [https://en.wikipedia.org/wiki/Ruby_character Ruby character from Wikipedia] | ||
* [https://de.wikipedia.org/wiki/Rubi Rubi – Wikipedia.de] (German) | * [https://de.wikipedia.org/wiki/Rubi Rubi – Wikipedia.de] (German) | ||
| + | * [[:Category:The Rolling Stones|The Rolling Stones]] - [https://en.wikipedia.org/wiki/Ruby_Tuesday_(song) Ruby Tuesday] Official 1991, [https://en.wikipedia.org/wiki/YouTube YouTube] Video | ||
| + | : {{#evu:https://www.youtube.com/watch?v=fvp6gseKJS8|alignment=left|valignment=top}} | ||
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Revision as of 13:58, 7 September 2020
RubiChess,
an UCI compliant open source chess engine by Andreas Matthies, written in C++, licensed under the GPL v3.0.
RubiChess started in 2017 as 0x88 engine and soon evolved to a bitboard engine first using rotated bitboards and subsequently magic bitboards (about 24% faster) to determine sliding piece attacks [1]. In September 2020, Andreas Matthies announced RubiChess NNUE [2].
Contents
Features
Board Representation
Search
- Lazy SMP (1.3)
- Iterative Deepening
- Aspiration Windows
- Alpha-Beta
- Principal Variation Search
- Transposition Table
- Selectivity
- Move Ordering
Evaluation
- NNUE (RubiChess NNUE)
- Texel's Tuning Method
- Tapered Eval
- Material
- Piece-Square Tables
- Mobility
- Rooks on (Semi) Open Files
- Hanging Pieces
- Pinned Pieces
- Pawn/King Hash Table
- Pawn Structure
- King Safety
- Tempo Bonus
Misc
Forum Posts
2018 ...
- RubiChess 0.9 is out by Andreas Matthies, CCC, May 29, 2018
- RubiChess 1.1 by Andreas Matthies, CCC, October 03, 2018
- RubiChess 1.3 by Andreas Matthies, CCC, February 11, 2019
- Rubichess 1.4 by Ferdinand Mosca, CCC, May 31, 2019
- Re: New engine releases 2019 by Andreas Matthies, CCC, October 17, 2019
2020 ...
- Re: Orion 0.7 : NNUE experiment by Andreas Matthies, CCC, August 21, 2020
- RubiChess NNUE player implemented by Andreas Matthies, CCC, September 06, 2020
External Links
Chess Engine
Misc
- Rubí from Wikipedia
- Rubí Rodríguez from Wikipedia » Rubí Rodríguez
- Rubí, Barcelona from Wikipedia
- Ruby character from Wikipedia
- Rubi – Wikipedia.de (German)
- The Rolling Stones - Ruby Tuesday Official 1991, YouTube Video
