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stuckfish's Introduction

StuckFish

A UCI chess engine and learning expereince. Based on CPW Engine as well as StockFish.

Demo

60 seconds per player match between StuckFish (White) and Hermann 2.8 (2528 ELO)

Click to see full match.

(Stuckfish is much slower at the start of the match than Hermann as Stuck is not using an opening book) Click

Search specific features include:

  • Principal Variation search

  • Iterative deepening

  • Null moves search

  • Lazy SMP

  • Futility pruning

  • Late move reductions

  • History heuristics with butterfly boards

  • Counter move historys

  • Mate distance pruning

  • and many more things!

UCI specific features include:

  • Setting hashtable size

  • Clearing the hashtable

  • Setting up a position from a FEN string

  • Setting the number of threads the engine will use

Misc Features

"Perfect" multi-threaded perft and divide functions tested to (mostly) max depth of positions found here

Also includes a divide utility (like perft) which prints the number of positions found for each root move of the current position up to a given input depth.

StuckFish is still very much a work in progress!

Lot's of credit due to Stockfish, CPW-engine and Chess Programing Wiki which you can find below.

Stockfish: https://github.com/official-stockfish

CPW-Engine: https://github.com/nescitus/cpw-engine

Chess Programming Wiki: https://chessprogramming.wikispaces.com/

stuckfish's People

Contributors

maxcarlson avatar

Stargazers

avatar

Watchers

James Cloos avatar Roelof Berkepeis avatar avatar Protej avatar

Forkers

wassekaran

stuckfish's Issues

UCI2WB converter by HGM

Hello,
I have sent a message concerning this topic to your Gmail acount, answer of HGM is included

current version x64 release cannot be launched on Windoes 7 64-bit SP1

Hello Max,
the engine crashes immediately after a double-mouse click on the .exe-file
both mentioned DLLs are still missing, and after installation of these DLLs Microsoft Visual Studio 2017 Community debug (functional key f5) says:

'StuckFish.exe' (Win32): Loaded 'C:\Users\NRL\Downloads\StuckFish-master\StuckFish-master\x64\Release\StuckFish.exe'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\ntdll.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\kernel32.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\KernelBase.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\msvcp140.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\vcruntime140.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-crt-runtime-l1-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\ucrtbase.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-core-timezone-l1-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-core-file-l2-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-core-localization-l1-2-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-core-synch-l1-2-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-core-processthreads-l1-1-1.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-core-file-l1-2-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-crt-string-l1-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-crt-heap-l1-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-crt-stdio-l1-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-crt-convert-l1-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-crt-locale-l1-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-crt-math-l1-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-crt-multibyte-l1-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-crt-time-l1-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-crt-filesystem-l1-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-crt-environment-l1-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\api-ms-win-crt-utility-l1-1-0.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Users\NRL\Downloads\StuckFish-master\StuckFish-master\x64\Release\libmmd.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Users\NRL\Downloads\StuckFish-master\StuckFish-master\x64\Release\svml_dispmd.dll'. Module was built without symbols.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\advapi32.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\msvcrt.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\sechost.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\rpcrt4.dll'. Cannot find or open the PDB file.
'StuckFish.exe' (Win32): Loaded 'C:\Windows\System32\cryptbase.dll'. Cannot find or open the PDB file.
The program '[2004] StuckFish.exe' has exited with code 3 (0x3).

https://msdn.microsoft.com/en-us/library/yd4f8bd1(vs.71).aspx

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