Chess engine: Stash 35 (Windows and Linux)

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Chess engine: Stash 35 (Windows and Linux)

Stash - UCI chess engine Rating CEDR=3276
Author: Morgan Houppin

Stash is a UCI-compliant chess engine developed from scratch. Preferably used

with a GUI like Arena, CuteChess, Fritz, etc.

Stash supports for now all these UCI options:

Sets the number of cores used for searching a position (defaults to 1).

Hash - sets the hash table size in MB (defaults to 16).

Clear Hash - clears the hash table.

MultiPV - Output the best N lines (principal variations) when searching. Leave at 1 for best performance.

Move Overhead - assumes a time delay of x milliseconds due to network and GUI overheads. Increase it if the engine often loses games on time. The default value of 100 ms should be sufficient for all chess GUIs.

Which binary should I choose ?

The latest release should always be the best. The different architecture builds are:

🖳 64: generic 64-bit build. Should work on all 64-bit processors of your operating system.

🖳 - x86_64: x86_64 build. Same as previous one, but enables use of the prefetch` instruction, which places RAM addresses in cache for faster access. Should work on almost all 64-bit processors.

🖳 - x86_64-modern: same as previous one, but also enables use of the popcnt` (Population Count) instruction. Should work on all > 2006 64-bit processors.

🖳 - x86_64-bmi2: same as previous one, but also enables use of the `pext` (Parallel Bit Extract) instruction. Should work on all AMD processors with Excavator arch or newer, and all Intel processors with Haswell arch or newer.

Rating progress - Stash

Pl	Engine	Rating	Score	Games	%
786	Stash 34.0	3276.1	227.00	464	48.92
799	Stash 33.0	3257.7	211.00	416	50.72
1351	Stash 17.0	2425.6	46.50	116	40.09

Stash 35 download

Comments

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