New chess engine: HypnoS 220824 (derived from Stockfish)

 

HypnoS is a free and strong UCI chess engine derived from Stockfish that analyzes chess positions and computes the optimal moves.

HypnoS does not include a graphical user interface (GUI) that is required to display a chessboard and to make it easy to input moves. These GUIs are developed independently from HypnoS and are available online.

HypnoS development is currently supported on the Openbench framework. OpenBench (created by Andrew Grant) is an open-source Sequential Probability Ratio Testing (SPRT) framework designed for self-play testing of engines. OpenBench makes use of distributed computing, allowing anyone to contribute CPU time to further the development of some of the world's most powerful engines.

v.220824:

Update default main net to nn-1111cefa1111.nnue

add Random Op features

make the code more efficient by improving some aspects of the logic

Use of local variables (materialWeight and positionalWeight):

reducing the number of redundant arithmetic operations.

🔝 Rating Chess Engines Diary CEDR=3781

HypnoS 20240727 - results:

Caissa 1.20	9/16	+2	16 Partii
Stockfish 20240723	5/10	+0	10 Partii
Deep SOLIDOR AI	3/6	+0	6 Partii
CorChess 20240724	3/6	+0	6 Partii
Stockfish 16.1	3/6	+0	6 Partii
Lc0 0.31.0	3/4	+2	4 Partii
Kookaburra 3.00	2/4	+0	4 Partii
Fisherov chess monk 1.2	2/4	+0	4 Partii
SF-PRO 22.07.2024	2/4	+0	4 Partii
Aramis 1.3.0	2/2	+2	2 Partii
Arcanum 2.2	2/2	+2	2 Partii
Sirius 7.0	2/2	+2	2 Partii
Patricia 3	2/2	+2	2 Partii
Bread Engine 1.0.0	2/2	+2	2 Partii
Odonata 1.0.0	2/2	+2	2 Partii
CiorapBot 0.3	2/2	+2	2 Partii
Nectar 0.0.2	2/2	+2	2 Partii
Crab 3.12.0	2/2	+2	2 Partii
Habu 1.0 JA	2/2	+2	2 Partii
Hedgehog 2.407	2/2	+2	2 Partii
Nalwald 19	2/2	+2	2 Partii

by Marco Zerbinati

HypnoS 220824 download