Chess Engines

Laser – UCI-compliant chess engine

Laser is a UCI-compliant chess engine.

This is a command-line engine only. To have a graphical interface, the executable can be used with any UCI chess GUI such as XBoard.

Laser is released under an open source license.

Features include:

  • Lazy SMP up to 128 threads.
  • Fancy magic bitboards for a 4.5 sec PERFT 6 @2.2 GHz (no bulk counting).
  • Evaluation:
    • Tuned with reinforcement learning, coordinate descent, and a variation of Texel’s Tuning Method.
    • Piece square tables.
    • King safety, pawns shields and storms.
    • Isolated/doubled/passed/backwards pawns.
    • Mobility.
    • Outposts.
    • Basic threat detection and pressure on weak pieces.
  • A two-bucket transposition table with Zobrist hashing, 16 MB default size.
  • An evaluation cache.
  • Syzygy tablebase support.
  • Fail-soft principal variation search:
    • Adaptive null move pruning, late move reduction.
    • Futility pruning, razoring, move count based pruning (late move pruning).
    • Check and singular extensions.
  • Quiescence search with captures, queen promotions, and checks on the first two plies.
  • Move ordering:
    • Internal iterative deepening when a hash move is not available.
    • Static exchange evaluation (SEE) and Most Valuable Victim / Least Valuable Attacker (MVV/LVA) to order captures.
    • Killer and history heuristics to order quiet moves.

Website: github.com/jeffreyan11/laser-chess-engin
Support:
Developer: Jeffrey An, Michael An
License: GNU General Public License v3.0

Laser is written in C++. Learn C++ with our recommended free books and free tutorials.

Return to Chess Engines


Popular series
Free and Open Source SoftwareThe largest compilation of the best free and open source software in the universe. Each article is supplied with a legendary ratings chart helping you to make informed decisions.
ReviewsHundreds of in-depth reviews offering our unbiased and expert opinion on software. We offer helpful and impartial information.
Alternatives to Proprietary SoftwareReplace proprietary software with open source alternatives: Google, Microsoft, Apple, Adobe, IBM, Autodesk, Oracle, Atlassian, Corel, Cisco, Intuit, and SAS.
GamesAwesome Free Linux Games Tools showcases a series of tools that making gaming on Linux a more pleasurable experience. This is a new series.
Artificial intelligence iconMachine Learning explores practical applications of machine learning and deep learning from a Linux perspective. We've written reviews of more than 40 self-hosted apps. All are free and open source.
Guide to LinuxNew to Linux? Read our Linux for Starters series. We start right at the basics and teach you everything you need to know to get started with Linux.
Alternatives to popular CLI tools showcases essential tools that are modern replacements for core Linux utilities.
System ToolsEssential Linux system tools focuses on small, indispensable utilities, useful for system administrators as well as regular users.
ProductivityLinux utilities to maximise your productivity. Small, indispensable tools, useful for anyone running a Linux machine.
AudioSurveys popular streaming services from a Linux perspective: Amazon Music Unlimited, Myuzi, Spotify, Deezer, Tidal.
Saving Money with LinuxSaving Money with Linux looks at how you can reduce your energy bills running Linux.
Home ComputersHome computers became commonplace in the 1980s. Emulate home computers including the Commodore 64, Amiga, Atari ST, ZX81, Amstrad CPC, and ZX Spectrum.
Now and ThenNow and Then examines how promising open source software fared over the years. It can be a bumpy ride.
Linux at HomeLinux at Home looks at a range of home activities where Linux can play its part, making the most of our time at home, keeping active and engaged.
Linux CandyLinux Candy reveals the lighter side of Linux. Have some fun and escape from the daily drudgery.
DockerGetting Started with Docker helps you master Docker, a set of platform as a service products that delivers software in packages called containers.
Android AppsBest Free Android Apps. We showcase free Android apps that are definitely worth downloading. There's a strict eligibility criteria for inclusion in this series.
Programming BooksThese best free books accelerate your learning of every programming language. Learn a new language today!
Programming TutorialsThese free tutorials offer the perfect tonic to our free programming books series.
Linux Around The WorldLinux Around The World showcases usergroups that are relevant to Linux enthusiasts. Great ways to meet up with fellow enthusiasts.
Stars and StripesStars and Stripes is an occasional series looking at the impact of Linux in the USA.
Subscribe
Notify of
guest

This site uses Akismet to reduce spam. Learn how your comment data is processed.

0 Comments
Inline Feedbacks
View all comments