BlackCore is a UCI compatible c++ chess engine written from scratch, capable of completing high performance tasks. Rating CEDR=3312 Author: Szil Balazs
The new release improves many aspects of the search and also increases the number of hidden layer neurons from 512->768. Now BlackCore supports MultiPV search, keep in mind that enabling it drastically decreases playing strength.
Selfplay elo gain with Pohl opening book and 8+0.08s time control:
Result of BlackCore-v6-0 vs BlackCore-v5-1: 510 - 146 - 464 (0.66)
Ptnml: WW WD DD/WL LD LL
79 251 187 41 2
Elo difference: 117.16 +/- 15.76
v.6.0:
Changelog
Pretty command line interface
New network
MultiPV
Better mate reporting
Improved time management
Faster search
Threshold based SEE
Fixed memory overflow
Razoring tweak
New NMP scale (by Zuppa)
Fixed search stack (by Disservin)
Tuned search parameters
More aggressive aspiration window
Individual statistics: BlackCore 4.0 - 166 games (+ 54,= 51,- 61), 47.9 %
Critter 1.6a : 6 (+ 3,= 2,- 1), 66.7 %
Hiarcs 15.5 : 2 (+ 0,= 1,- 1), 25.0 %
RofChade 3.0 : 2 (+ 0,= 2,- 0), 50.0 %
Fisherov chess monk 1.2 : 4 (+ 0,= 0,- 4), 0.0 %
Halogen 11 : 2 (+ 0,= 0,- 2), 0.0 %
Eman 8.40 : 4 (+ 0,= 0,- 4), 0.0 %
MadChess 3.2 beta : 2 (+ 2,= 0,- 0), 100.0 %
Caissa 1.4 : 4 (+ 2,= 1,- 1), 62.5 %
Rebel 16 : 2 (+ 0,= 1,- 1), 25.0 %
Stockfish 15.1 : 1 (+ 0,= 0,- 1), 0.0 %
Cdrill 2000 : 4 (+ 4,= 0,- 0), 100.0 %
Clover 3.2.1 : 2 (+ 0,= 1,- 1), 25.0 %
Knightx 3.6a : 5 (+ 3,= 2,- 0), 80.0 %
Avalanche 1.3.1 : 8 (+ 5,= 3,- 0), 81.2 %
Cheese 3.1.1 : 2 (+ 1,= 1,- 0), 75.0 %
Igel 3.2.0 : 2 (+ 0,= 2,- 0), 50.0 %
CorChess 201222 : 2 (+ 0,= 1,- 1), 25.0 %
Stockfish 22122106 : 4 (+ 0,= 0,- 4), 0.0 %
Stockfish 201222 Ivec : 2 (+ 0,= 0,- 2), 0.0 %
Eubos 2.17 : 6 (+ 6,= 0,- 0), 100.0 %
Kookaburra 1.03a : 6 (+ 0,= 1,- 5), 8.3 %
Minic 3.32 : 10 (+ 0,= 5,- 5), 25.0 %
Little Goliath 3.16 : 10 (+ 0,= 9,- 1), 45.0 %
Leorik 2.3 : 12 (+ 12,= 0,- 0), 100.0 %
Viridithas 6.0.0 : 10 (+ 3,= 6,- 1), 60.0 %
BlackCat 2.3 : 2 (+ 2,= 0,- 0), 100.0 %
Luna 0.2.1 GS : 4 (+ 4,= 0,- 0), 100.0 %
RapChess 2022-12-10 : 2 (+ 2,= 0,- 0), 100.0 %
Charisma NY23 : 4 (+ 0,= 1,- 3), 12.5 %
CorChess 20221220 : 4 (+ 0,= 1,- 3), 12.5 %
Yoda : 4 (+ 0,= 2,- 2), 25.0 %
Stockfish dev-20221220 : 2 (+ 0,= 1,- 1), 25.0 %
Stockfish dev-20221221 : 2 (+ 0,= 0,- 2), 0.0 %
Charisma : 2 (+ 0,= 1,- 1), 25.0 %
Black Cat 2.3 : 2 (+ 2,= 0,- 0), 100.0 %
RukChess 3.0.12 NNUE2 : 4 (+ 1,= 2,- 1), 50.0 %
RukChess 3.0.12 Toga : 2 (+ 0,= 2,- 0), 50.0 %
Dragon 3.2 : 2 (+ 0,= 0,- 2), 0.0 %
Velvet 5.0.0 : 2 (+ 0,= 0,- 2), 0.0 %
Minic 3.33 : 2 (+ 0,= 1,- 1), 25.0 %
Mayhem 8.0 : 2 (+ 2,= 0,- 0), 100.0 %
ShashChess 27 : 2 (+ 0,= 1,- 1), 25.0 %
Eman 8.60 : 2 (+ 0,= 0,- 2), 0.0 %
Blue Marlin 15.5 : 2 (+ 0,= 1,- 1), 25.0 %
Brainlearn 21 : 2 (+ 0,= 0,- 2), 0.0 %
Stockfish 2022-12-20 Ivec : 2 (+ 0,= 0,- 2), 0.0 %
github:https://github.com/SzilBalazs/BlackCore/releases/tag/5.1
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