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New chess engine: Integral 6.1.6 Dev JA

 


Integral - UCI Chess Engine
Author - Aron Petkovski  Rating Chess Engines Diary CEDR=3682

v6:
This update should let Integral breach into the top 15, maybe even top 10 if it scales well enough. It's genuinely crazy seeing where this project is now.

Notable things in this update are:
Support for Multi-PV
Many search improvements and an SPSA tune
Bug fixes for wrong scores returned when using Syzygy tablebases
And of course, special thanks to everyone in my OpenBench instance and the kind, helpful people in the Stockfish discord.

Progression Tests
STC
Elo   | 48.98 +- 6.48 (95%)
Conf  | 8.0+0.08s Threads=1 Hash=16MB
Games | N: 3006 W: 946 L: 525 D: 1535
Penta | [5, 197, 700, 574, 27]
https://chess.aronpetkovski.com/test/6574/
TC
Elo   | 52.95 +- 6.17 (95%)
Conf  | 40.0+0.40s Threads=1 Hash=32MB
Games | N: 3002 W: 963 L: 509 D: 1530
Penta | [1, 185, 679, 631, 5]
https://chess.aronpetkovski.com/test/6601/

Integral v6 vs other engines:
Berserk 20241119 SE45/98-898 Games
Caissa 1.2142/92-892 Games
Alexandria 7.1.036.5/78-578 Games
PlentyChess 3.0.132/68-468 Games
Motor 0.8.0 JA33.5/62+562 Games
RubiChess 2024081721.5/42+142 Games
Lizard 11.2.018.5/40-340 Games
Starzix 6.020.5/36+536 Games
Titan 1.1.019/36+236 Games
Obsidian 14.23 SE16/36-436 Games
Velvet 8.1.1 JA16.5/32+132 Games
Viridithas 15.0.016/32+032 Games
Obsidian 14.14 SE12/30-630 Games
Dragon 3.312/30-630 Games
Uralochka 3.42.dev714/26+226 Games
Clover 8.1 JA13/26+026 Games
PlentyChess 4.0.110/24-424 Games
Lizard 11.1.011/22+022 Games
Igel 3.6.0 JA12.5/20+520 Games
Obsidian 14.24 SE9.5/20-120 Games
Alexandria 7.0.14 JA8.5/20-320 Games



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