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Gull chess (Linux/Mac port)
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The LazyGull Chess Engine

NOTICE: LazyGull is no longer maintained.

LazyGull is a free UCI chess engine derived from Gull 3. Compared to Gull, LazyGull implements the following new features:

  • Syzygy Tablebase support;
  • LazySMP implementation;
  • PDEP Bitboards for modern CPUs;
  • Bug fixes; and
  • Portable to Windows, Linux and MacOSX.

To build simply run the following commands in the src directory:

make -f Makefile.linux
make -f

And follow the instructions.

Pre-built binaries are available here:


The original Gull 3 source code is "public domain". New modifications are released under the MIT License.

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