New chess engines: FunComp 1.0, Claudy 4.1, Fructosita 1.11.0
FunComp a UCI chess engine written in C++23 from the ground up: a classical evaluation (PeSTO's tables) and a modern alpha-beta search in which every feature was proven in games before it was kept. Version 1.0 is estimated at about 3030 on the CCRL Blitz scale (3031 ± 14 from a gauntlet of 2,040 games against 17 rated engines from eight families; an estimate on our hardware, not an official CCRL rating). Single-threaded.
Author: James Coit
Claudy a UCI chess engine written from scratch in C++20, with an NNUE evaluation trained only on its own self-play games.
Author: MS Kim
Fructosita is an open-source UCI chess engine written entirely in Rust.
The project began on July 2, 2026 as a personal initiative to learn chess engine development from scratch. The name Fructosita was inspired by the author's undergraduate thesis on fructose, eventually becoming the engine's permanent identity.
The long-term goal is to evolve Fructosita from a classical handcrafted engine into a modern competitive chess engine featuring advanced search techniques and, eventually, an NNUE evaluation.
Author: Josantesbo
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