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Lastest versions

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.

Platforms:

- Windows (32 bits).
- Linux (Ubuntu 64 bits)
- Mac OS X.

Opening book v.1.1 included.

MiniRoque 2.1 (29/07/2014)

Updates:

Bugs fix.
Moves genetarion, evaluation and sorting functions optimized.

Platforms:

- Windows (32 bits).

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.

Download the book.

Previous versions

MiniRoque 2.0 (08/06/2014)

Bugs fix. Improved time management in the different game modes controlled by time. Moves sorting and evaluation function improved. Some modules of the code has been rewrited, alpha-beta algorithm included.

Windows (32 bits).

MiniRoque 1.2 (11/09/2012)

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

- Windows (32 bits).
- Linux (Ubuntu 64 bits).
- Mac OS X.

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: ~1750 (?).

Platforms:

- Windows (32 bits).
- Linux (Ubuntu 64 bits)
- Mac OS X.

Opening book v.1.0 included.

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.

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, and fixed a bug that caused that, under certain circumstances, the engine made illegal moves when the king was in check.

- Windows (32 bits).
- Linux (Ubuntu 64 bits).
- Mac OS X.

MiniRoque 1.0 (07/08/2012)

- Windows version (32 bits).
- Linux version (Ubuntu 64 bits).
- Mac OS X version.

Roque 1.1 (08/02/2006). Windows version.

An error in the detection of the end of game by triple repetition and in the 50 moves rule has been corrected. In addition, by technical reasons, the aspiration window has been eliminated.

- Download engine only (19 KB).
- Download engine and Winboard interface in spanish (500 KB) (recommended).

Roque 1.0 (04/02/2006). Windows version.

- Download engine only (19 KB).