The most aggressive engine that make alot of sacrifices and wonderful moves to give a mate
Fizbo is an original chess engine written by Youri Matiounine.
Current version is 2 and can be downloaded from the link at the bottom of this page.
There are 4 kinds of the executable:
1. file "fizbo2x64" is the primary engine, and will only run under Windows and requires CPU with "popcount" instruction.
2. file "fizbo2x64_no_pc" does not require "popcount" CPU instruction and can be run on older computers.
3. file "fizbo2x64_no_pc_linux" also does not require Windows virtual memory allocation functions and can be
run on Linux
4. file "fizbo2x64_bmi2" is for modern CPUs with BMI2 instruction set. Specifically, the engine uses instructions PEXT and BLSR. If also uses various AVX2 instructions.
Download Here
