New chess engines: Dolphin 2.1, Elephant Gambit 0.15.2, Bender 0.1-5, Agnes 1.0, Fructosita 2.3.1, Russell 1.5

 

New chess engines: 

Dolphin is a free, open-source UCI chess engine written in C#. It uses bitboards, a modern alpha-beta search and an NNUE neural-network evaluation that was trained from scratch on Dolphin's own self-play games.
Author: Imoioi

Elephant Gambit a uci chess engine.
I got frustrated about how bad I was at playing chess, so I decided to write myself a chess engine and let the computer do it for me! Not intending to use it against unaware non engine players. This whole project initially started with my old engine Gambit.
Has become more of a obsession lately, and a play ground to try out some C++ I wouldn't write at work.
Author: Alex Ek

Bender UCi chess engine.
Author: Dkappe

Agnes 1.0 is a lightweight UCI chess engine written in C++ with a focus on efficient search and a compact NNUE evaluation.
Author: Azrael6989

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

Russell - UCI chess engine, c++20.
Author: Dominic Fuentes  Rating CEDR=2696

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