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============================== My email: jotes@go2.pl



Chess engine: Svart 6 b2c7255 JA

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Svart, a free and open source UCI chess engine written in Rust.
Author: Crippa   Rating Chess Engines Diary CEDR=3275

v.6.0.0:
I am happy to present Svart 6, featuring threaded input handling, LazySMP and other improvements to the engine.

Elo gain
Using the 8moves_v3.epd book in self-play:

8+0.08 (STC)
ELO   | 20.77 +- 8.38 (95%)
CONF  | 8.0+0.08s Threads=1 Hash=32MB
GAMES | N: 2512 W: 554 L: 404 D: 1554
60+0.60 (LTC)
ELO   | 12.98 +- 9.36 (95%)
CONF  | 60.0+0.60s Threads=1 Hash=128MB
GAMES | N: 1500 W: 241 L: 185 D: 1074
4 Thread Scaling
ELO   | 120.05 +- 10.39 (95%)
CONF  | 8.0+0.08s Threads=4 Hash=128MB
GAMES | N: 2512 W: 1127 L: 292 D: 1093
Noteable changes
Node count TM (#50)
TM formula improvement (#51)
Asp. windows improvement (#52)
Threaded input handling (#55)
LazySMP (#58)
Full changelog: v5.0.0...v6.0.0

Binaries
Svart's release scheme follows the microarchitecture levels.
x86_64-v3 is the fastest and recommended on modern systems.
x86_64-v2 is less fast but is compatible with CPUs pre-Haswell/Excavator.
x86_64-v1 is the slowest but compatible with almost anything.
See the readme for instructions on how to compile these versions yourself.


Svart 6 -results:
Wahoo 4.0.06/7+57 Partii
Protej 0.6.55/7+37 Partii
CT800 1.456/6+66 Partii
Kelp 0.12.06/6+66 Partii
Peacekeeper 1.715/6+46 Partii
Rebel EAS1.5/6-36 Partii
Chess-System-Tal-20/6-66 Partii
Stockfish 250823 sl x25602/5-15 Partii
Arasan 24.01.5/5-25 Partii
CorChess 260823 sl0.5/5-45 Partii
Stockfish 250823 sl0/5-55 Partii
ChandraChess 1.04/4+44 Partii
Mida 2.03.5/4+34 Partii
FireBird 2.13.5/4+34 Partii
Stockfish 202309031.5/4-14 Partii
SF-PRO 23.08.20231.5/4-14 Partii
SugaR AI SE1/4-24 Partii
Sun 1.00.5/4-34 Partii
ShenYu 2.0.13/3+33 Partii
ShenYu 2.0.03/3+33 Partii

Jim Ablett compiles

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