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Chess engine: Cadie 1.7



Cadie - UCI Engine
Author: Martin Wyngaarden  Rating CEDR=3007

v.1.7:
This release includes many bug fixes, improvements, and search refinements. In self-play, Cadie 1.7 is ~105 Elo stronger than Cadie 1.5 at the 120"+1" time control. Hopefully, this will translate to at least 80 Elo in the rating lists.

Most of the code changes are refactoring. Elo gains come mainly from a re-tuned evaluation and the speedup from converting from mailbox to the bitboard board representation. The bitboard implementation is not unique, and is being reused with permission from Thomas Jahn (https://github.com/lithander/Leorik)

Windows executables are attached. These have only been tested on Windows 10.

Cadie_1.7D.exe: Dynamic linkage
Cadie_1.7T.exe: Static linkage
cadie_17_64_ja.exe: Optimized compilation courtesy of Jim Ablett

Jim Ablett's build is easily the most performant.

Cadie 1.5 results:

Critter 1.6a2/16-1216 Gams
Polaris 1.8.110/15+515 Gams
Marvin 6.2.00.5/14-1314 Gams
Knightx 3.811.5/12+1112 Gams
Seawall 2023062910/12+812 Gams
Demolito 2023-07-091.5/10-710 Gams
Altair 4.0.02.5/9-49 Gams
Akimbo 0.4.06.5/8+58 Gams
Princhess 0.12.05.5/8+38 Gams
Tucano 11.00.11/8-68 Gams
Rice 7.0.01/8-68 Gams
Catacomb 17/7+77 Gams
Athena 1.0.17/7+77 Gams
Zangdar 2.19.034/7+17 Gams
Wahoo 2.0.16/6+66 Gams
Megalodon 1.1.06/6+66 Gams
Midnight 71/6-46 Gams
Asymptote 0.84.5/5+45 Gams
OliThink 5.10.52.5/5+05 Gams
Nalwald 180.5/5-45 Gams
Midnight 80/5-55 Gams


Cadie 1.7 download


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