Neocortex

A homemade C++ chess engine.

Play a game with me here!

NOTE: A Lichess account is required to challenge the bot.

architecture

Negamax alpha-beta search with iterative deepening
Lazy SMP parallel search
Transposition table with Zobrist hashing
Time control management
UCI support

methods

Many of the methods used in this engine are inspired by the extensive resources available at the Chess Programming Wiki:

Guard heuristic
Static exchange evaluation
Specialized quiescence/evasion movegen
History heuristic

dependencies

Neocortex builds on GCC 7.3+ or MSVC 2015+. To run the test suite GoogleTest must be available on the host.

building

Linux
Execute make in the project root to build in release mode.
Execute make debug to build in debug mode, and make test to build the test suite.

NOTE: Building the test suite requires GoogleTest to be available on the host.

Windows
Open neocortex.vcxproj in Visual Studio 2015 or newer. Build the solution in either Debug or Release mode.