GoKawiilStockfish 19 chess engine released with universal binaries and new NNUE network
The Stockfish team has released version 19 of its open-source chess engine, claiming an Elo gain of up to 44 points over version 18 and a win rate more than three times its loss rate in test matches. The update introduces a new SFNNv16 neural network architecture, retires a secondary network added in version 16.1, and switches to universal binaries that auto-detect CPU features instead of requiring manual selection between AVX2, AVX-512 and similar builds. The release also adds native support for RISC-V and LoongArch processors.
GoKawiil's interpretation of the reporting above, not reported fact.
Stockfish remains the dominant open-source chess engine and a benchmark for computer chess strength, so incremental gains still ripple through engine tournaments and the tools used by players and analysts worldwide. Simplifying installation with universal binaries and training improvements like Quantization-Aware Training also lowers the barrier for casual users while squeezing more strength from the same hardware.
- Stockfish 19 gains up to 44 Elo points over Stockfish 18 in testing
- New SFNNv16 network architecture replaces the older dual-network setup for better accuracy
- Universal binaries and new CPU architecture support (RISC-V, LoongArch) broaden accessibility
DGT Centaur Electronic Chess Board — If Stockfish 19's stronger analysis has you itching to play over the board, the DGT Centaur pairs a real weighted piece set with a built-in adaptive engine and LED-guided move display. It's a great way to train on physical wood-feel pieces while still getting engine-grade feedback on your games.
See DGT Centaur Electronic Chess Board on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: stockfishchess.org, 2026-09-07
Published there as: “Stockfish 19”
Read the original report → The summary and analysis above are GoKawiil's own, written from reporting by the source above. Facts and quotes belong to the original publisher.