Difference between revisions of "RubiChess"
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* [[Hanging Piece|Hanging Pieces]] | * [[Hanging Piece|Hanging Pieces]] | ||
* [[Pin|Pinned Pieces]] | * [[Pin|Pinned Pieces]] | ||
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* [[Pawn Structure]] | * [[Pawn Structure]] | ||
** [[Duo Trio Quart (Bitboards)|Phalanx]] | ** [[Duo Trio Quart (Bitboards)|Phalanx]] |
Revision as of 11:05, 22 September 2019
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].
Contents
Features
Board Representation
Search
- Lazy SMP (1.3)
- Iterative Deepening
- Aspiration Windows
- Alpha-Beta
- Principal Variation Search
- Transposition Table
- Selectivity
- Move Ordering
Evaluation
- 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
- 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
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)