Roque chess engine

Roque
by Javier Salido

Roque is a chess engine based on the xboard protocol.

https://sites.google.com/site/roquechess/roque-chess-engine

Roque 2.0 (02/09/2012)

Features:

- Xboard protocol, version 1.
- Board: array of 64 integers.
- Move generation MVV/LVA and heuristic history based.
- Principal Variation Search (PVS) and quiescent search.
- Aspiration window.
- Transposition tables (hash).
- Futility pruning.
- Evaluation function: material, position bonus tables, pawns structure, king's safety and others bonus.
- Lazy evaluation.
- Pondering and analysis modes.
- Fast move based in the principal variation (experimental).
- Opening book.
- End of game detection based on FIDE rules (three-fold repetition and fifty-moves rule).
- Game modes: time control (conventional and incremental) and fixed depth.
- Estimated ELO: ~1950-2000 (?).

Windows (32 bits) : https://sites.google.com/site/roquechess/Roque_2.0_win32.zip
Linux (Ubuntu 64 bits) : https://sites.google.com/site/roquechess/Roque_2.0_ubuntu64.zip
Mac OS X : https://sites.google.com/site/roquechess/Roque_2.0_macosx.zip


MiniRoque 1.1 (02/09/2012)

Bug fix:

- Fixed a small bug in the interpretation of the xboard command parameters "level" that caused the program to abort.
- Fixed a bug that caused that, under certain circumstances, the engine made illegal moves when the king was in check.

Windows (32 bits) : https://sites.google.com/site/roquechess/MiniRoque_1.1_win32.zip
Linux (Ubuntu 64 bits) : https://sites.google.com/site/roquechess/MiniRoque_1.1_ubuntu64.zip
Mac OS X : https://sites.google.com/site/roquechess/MiniRoque_1.1_macosx.zip


Roque opening book 1.0 (02/09/2012)

Features:

- Compatible with Roque 2.0.
- Structured in favorable openings white and black.
- Includes major openings of the Encyclopedia of Chess Openings (ECO).
- Includes a couple simple classical games.

ECO codes of openings included:

- A. Flank openings, English and other: A00-A12, A43-A44, A51-A52, A80-A99.
- B. Sicilian and other semi-open games: B00-B05, B07-B20.
- C. French and open games: C00, C30-39, C42-43, C45-C50, C60.
- D. Queen's pawn game, Queen's Gambit, Grunfeld and other: D00, D06-D19, D70-D99.
- E. Indian defenses and other: E00-E09, E11, E20-E60.

Download the book : https://sites.google.com/site/roquechess/Book_1.0.zip

MiniRoque 1.2 (11/09/2012)

Updates:
Improved time management in the different game modes controlled by time.

Windows (32 bits) : https://sites.google.com/site/roquechess/MiniRoque_1.2_win32.zip
Linux (Ubuntu 64 bits) : https://sites.google.com/site/roquechess/MiniRoque_1.2_ubuntu64.zip
Mac OS X : https://sites.google.com/site/roquechess/MiniRoque_1.2_macosx.zip

Roque opening book 1.1 (12/09/2012)

Features:

- Compatible with Roque 2.0 and Roque 2.1.
- Structured in favorable openings white and black.
- Includes major openings of the Encyclopedia of Chess Openings (ECO).
- Includes a couple simple classical games.

ECO codes of openings included:

- A. Flank openings, English and other: A00-A12, A43-A44, A51-A52, A80-A99.
- B. Sicilian and other semi-open games: B00-B99.
- C. French and open games: C00-C43, C45-C50, C60-C99.
- D. Queen's pawn game, Queen's Gambit, Grunfeld and other: D00, D06-D19, D70-D99.
- E. Indian defenses and other: E00-E09, E11, E20-E60.

https://sites.google.com/site/roquechess/Book_1.1.zip

Roque 2.1 (12/09/2012)

Updates:

- Improved time management in the different game modes controlled by time.
- Adjust hash table size in configuration file.
- Opening book v.1.1 included.

Windows (32 bits) : https://sites.google.com/site/roquechess/Roque_2.1_win32.zip
Linux (Ubuntu 64 bits) : https://sites.google.com/site/roquechess/Roque_2.1_ubuntu64.zip
Mac OS X : https://sites.google.com/site/roquechess/Roque_2.1_macosx.zip

MiniRoque 2.1
a small version of Roque
https://sites.google.com/site/roquechess/roque-chess-engine