Cadie - UCI Engine
Author: Martin Wyngaarden Rating Chess Engines Diary CEDR=3006
v.2.0:
This release includes many bug fixes, improvements, and evaluation/search refinements. In self-play, Cadie 2.0 is ~110 Elo stronger than Cadie 1.8 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 from bug fixes in the continuation history, bug fixes in the evaluation of pinned pieces, and the addition of the evaluation of some material imbalances, and improved time management. Late Move Pruning is now more aggressive. ProbCut has been added and Razoring has been removed.
Windows executables are attached. These have only been tested on Windows 10. The AVX2 compile should be the most performant on modern CPUs.
Cadie 1.8 results:
| Opponent | Score | +- | Games |
| Inanis 1.4.0 | 4.5/6 | +3 | 6 Games |
| Halogen 12.0.0 | 1/6 | -4 | 6 Games |
| HypnoS 20240727 | 0.5/6 | -5 | 6 Games |
| Yuliana 5.0 | 0/6 | -6 | 6 Games |
| Caissa 1.20 | 0/6 | -6 | 6 Games |
| Steel Fighter III | 0/6 | -6 | 6 Games |
| Nectar 0.0.5 | 4/4 | +4 | 4 Games |
| Ice4 v5 | 2.5/4 | +1 | 4 Games |
| CorChess 20240804 | 0.5/4 | -3 | 4 Games |
| SF-PRO 05.08.2024 | 0/4 | -4 | 4 Games |
| Titan 1.1.0 | 0/4 | -4 | 4 Games |
| Marauders 3.8 | 0/4 | -4 | 4 Games |
| Stockfish 20240803 Ivec | 0/4 | -4 | 4 Games |
| Catto 0.12.0 | 2/2 | +2 | 2 Games |
| Nectar 0.0.4 | 2/2 | +2 | 2 Games |
| Illumina 1.0 | 2/2 | +2 | 2 Games |
| Knightx 4.1 | 2/2 | +2 | 2 Games |
| Sloth 1.9 | 2/2 | +2 | 2 Games |
| Hedgehog 2.407 | 1/2 | +0 | 2 Games |
| Lambergar 0.6.0 | 0.5/2 | -1 | 2 Games |
| Smallbrain 7.0 JA | 0/2 | -2 | 2 Games |
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