BeRoChess is my more powerful yet-in-progress chess engine BeRoChess with shell, UCI and XBoard/WinBoard interfaces and with automatic usage of the POPCNT instruction, if your CPU has support for it. Intel implements it beginning with the Nehalem microarchitecture and AMD with the Barcelona microarchitecture.

Downloads

• 64-bit x86-64 windows binary (more optimized)
• 32-bit x86 windows binary