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New version chess engine: Fructosita 1.1.0, ZeroG 1.0.0, Onyx 1.6

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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


ZeroG is a high-performance chess engine written in C99, featuring a hybrid board representation, magic bitboards, Zobrist hashing, transposition tables, and a Universal Chess Interface (UCI) protocol engine loop.
Author: Kristian Ekman



Onyx a UCI chess engine written from scratch in C++, with a self-trained NNUE evaluation. Estimated strength: ~3200.
Onyx was built and trained on a single desktop PC (Intel i7-11700K + RTX 3070) — the neural network's training data was generated entirely by the engine playing itself, with no external datasets or pretrained weights.
Author: Dylan2554


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