Difference between revisions of "RuyDos"

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[[Category:Open Source]]
[[Category:Open Source]]

Revision as of 21:47, 25 August 2020

Home * Engines * RuyDos

Noise curves [1]

an UCI compliant chess engine by Álvaro Begué and José Manuel Morán [2], written in C++, developed since 2013 [3] and first published as open source under the MIT License in June 2017 [4].


The name is the Spanish procounciation of "Ruy 2", meaning the second program in the Ruy-López saga. It is also a homophone of the Spanish word "ruidos", which means "noises".


Board Representation


Null Move Pruning
Late Move Reductions
Check Extensions
Recapture Extensions
Delta Pruning
SEE > 0
Killer Heuristic
History Heuristic


Material Hash Table
Tapered Eval
Bishop Pair
Backward Pawn
Doubled Pawn
Isolated Pawn


See also

Forum Posts

2013 ...



External Links

Chess Engine



  1. Figure showing the noise curves of various gravitational-wave detectors as a function of frequency together with the characteristic strain of a selection of astrophysical sources, Pink noise from Wikipedia
    Christopher Moore, Robert Cole, Christopher Berry (2014). Gravitational-wave sensitivity curves. arXiv:1408.0740
  2. alonamaloh / RuyDos / source / LICENSE — Bitbucket
  3. Suggestions for a sparring partner by Álvaro Begué, CCC, February 19, 2013
  4. RuyDos publicly available by Álvaro Begué, CCC, June 01, 2017
  5. alonamaloh / RuyDos / source / board.h — Bitbucket
  6. alonamaloh / RuyDos / source / engine.cpp — Bitbucket
  7. alonamaloh / RuyDos / source / engine.cpp — Bitbucket

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