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New chess engines: Taumax 1.0.2, Machete 0.3.1, Paradox 2.0.0, Vesper 2.3.1, Wakwak 0.15.0, Coco 1.5.1

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  Taumax is a UCI-compliant chess engine written in Rust, that explores the ideas expressed by Alex Wissner-Gross's, causal entropic intelligence equation. the goal of Taumax is not to be a strong chess engine, but instead, to explore ways in which causal entropy may be applied to an adversarial context, like the game of Chess. Author: Rohin Gosling Taumax 1.0.2 download     mirror Machete a chess engine in Mach, named for what it does to a variation tree. It speaks UCI, so it plays in any chess GUI and against the models in llmchess.  Author: NickDrohan Machete 0.3.1 download   mirror Vesper is a chess engine written in Rust. It communicates through the Universal Chess Interface (UCI), so it can be used from a chess GUI or driven directly from a terminal. The project is intended to be a compact, readable engine that can be improved over time. Its implementation is organized around a bitboard chess position, legal move generation, handcrafted/NNUE evaluat...

Gyatso 1.6.0 - new chess engine

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Gyatso - UCI chess engine Author: Gyatso Neesham  Rating CEDR=3304 Gyatso is UCI's new chess engine. Initial testing has already begun. Gyatso what's new? Highlights & Changes 1. Fischer Random Chess (FRC & DFRC) Full native support for Chess960 (FRC) and Double Fischer Random Chess (DFRC) (960 × 960 positions). 2. NNUE Architecture Scaling (1024HM) Upgraded the NNUE network architecture from 768 → 512HM to 768 → 1024HM. Embedded new network GyatsoNet1024.bin directly into the binary. Network trained with [Bullet](https://github.com/jw1912/bullet 3. Search & Pruning Enhancements Singular Extensions Suite: Full singular search implementation featuring base singular extensions, Double Extensions for overwhelmingly dominant TT moves, Negative Extensions when non-singular moves fail high, and Multicut. Mate Distance Pruning (MDP): Prunes search branches where the optimal mating distance cannot improve existing bounds. Noisy SEE Pruning: Aggressively prunes losing tact...

CeylonDemon 3.0 - new version chess engine

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  CeylonDemon  is a free UCI chess engine with Resonance, a dual-frame NNUE  evaluator that reads every position through two feature transformers — one  anchored on the side to move's own king, one on the opposing king — and reports  the residual between them as an uncertainty signal the search consumes directly. Author: Madushan Bhashana Dissanayake  Rating CEDR=3264 What's new? CeylonDemon 3.3 is the strongest CeylonDemon so far. Downloads CeylonDemon-3.3-x86-64-avx2.exe works on most modern computers. Use this one if you're not sure. CeylonDemon-3.3-x86-64-bmi2.exe can be a little faster on newer CPUs (Intel Haswell and later, AMD Zen 3 and later). CeylonDemon-3.3-windows-x86-64.zip contains both, plus README, NOTICE, LICENSE and the release notes. SHA256SUMS-3.3.txt lets you check the downloads. What's new since 2.0 Resonance v12 dual-frame network, trained from scratch on 400,746,429 positions of CeylonDemon's own self-play. Many search improvements fr...

DON dev-20260914 wins MacOS Chess Engines Tournament, 27.09.2026

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  DON dev-20260914 claimed victory in the latest engine tournament for macOS, with Stockfish 18 coming in second and Stockfish 19 taking third place. The new engine Peras 3.6.0 also delivered a strong performance. Time: 3'+3", GUI-Banksia, Intel Core i5, 8 G B Memory , macOS #chessenginesdiary 480 Tournament games download , Table created: Banksia and Scid vs. PC All 12.892 games for MacOS download Tech table: Engine KN/move NPS depths/move time/move moves/game time/game fails Avalanche 4.0.0 1702 365643 19.3 4.7 82.5 384.0 1 Coco 1.5.0 2223 427605 17.0 5.2 73.1 379.9 DON dev-20260914 1023 198951 29.8 5.1 68.4 351.8 Ember 1.3.1 613 103966 17.0 5.9 64.8 381.8 Heimdall 1.5.1 1420 291704 30.6 4.9 74.7 363.8 Lambergar 1.5 2442 484352 30.3 5.0 76.6 386.3 Leorik 3.2 2161 424539 27.1 5.1 64.3 327.4 Peras 3.6.0 965 227011 28.4 4.3 82.9 352.2 Rudim 3.0.5 2130 436184 15.8 4.9 75.2 367.0 Rusty Rival 1.0.61 2501 546222 26.9 4.6 72.0 329.6 Stockfish 17.1 843 16245...

Stockfish 19 wins Elite Engines Test by Chess Engines Diary, 26.09.2026

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  Stockfish 19 came out on top in our latest elite chess engine tournament, with Artemis 45TR_PrO securing second place and Stockfish 17.1 taking third. Pasteque 0.0.0 , not being an elite engine, found its way into the competition purely chance. CEDR 903.628 games download (until 30.06.2026) All Games 85.078 CEDR from 01.09.2026 download . 💾 Tournament games : 660 download 💻 Dell G15 SE, i7-11800H RAM 16,0 GB   🖬 GUI - Myracle, book:avt-2026b #chessenginesdiary Country - Poland, City - Malbork   🕓 Time 3'+3"