link to OliThink's page on Chess-Progamming-Wiki
Special thanks to Dann Corbit for his support and contribution!
link to OliThink's page on GitHub (5.10.5 sources, 5.10.1 executables)
OliThink 5.10.5
Complete rewrite of OliThink with a very fast move generator (based on OliPerft). Engine runs without any chess information. No pawnstructure, no tables etc.ELO about 2950. 128 MB fix Hashsize.
5.10.5: Windows x64 Mac OSX x64 Linux x64 Source Code
5.10.1: Linux x64 (Older Glibc)
Translation of OliThink 5 C to java. 5.9.9 is available with an own GUI as standalone application.
5.9.9: Java engine executable (jar) Java Source Code with GUI
Start with "java -jar OliThinkGUI.jar" or just doubleclick if your OS is correctly configured.
OliThink Java with GUI executable (jar) (63kb) Vers. 5.9.9
OliThink 5.3.3
Windows x64 Mac OSX x64 Linux x64 Source Code Java Source
Please note that versions 5.4.0 to 5.4.3 and versions before 5.3.3 contain a destabilizing bug.
Check this branch for the fix of either version.
OliThink 4 or before:
(4.1.3 has been fixed for 64bit compile, 3.0.7 for a 3-fold repetition bug, 2.2.3 for a protocol bug)4.1.3: Mac OSX x64 Linux x64 Windows x64 Source Code
4.1.2: Java Binary (jar) Java Source Code
3.0.7: Mac OSX x64 Linux x64 Windows x64 Source Code
2.2.3: Mac OSX x64 Linux x64 Windows x64 Source Code
New Move Generator OliPerft (Pre OliThink 5)
New Features:- Magic Move Bitboard (Got rid off rotated Bitboards)
- No piece list, no Array[64] board, just plain bitboard
- Simple, easy and short code
- One symmetric "doMove" function for doMove and undoMove
- Includes "divide" option for debugging
- Counts 100 Millions of Moves/second (on a 64bit System 200 Millions, on a modern 64bit CPU 700 Millions))
1.0.8: Source Code Mac OSX x64 Linux x64 Windows x64
Usage: oliperft <depth> <fen>
#oliperft 6 "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 1"
for "divide" just add "-" before the <depth>
#oliperft -6 "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 1"