Posts

Cassini 6.0 - UCI chess engine for NVIDIA GPU

Image
Cassini is a UCI chess engine for NVIDIA GPUs. It runs a PUCT tree search guided by a 188M-parameter transformer that evaluates positions. Earlier versions were called ChessMamba and used Mamba state-space layers. Some identifiers in the code still carry that name (the ChessMamba class, MambaGM, the CM_* environment variables).  Version 6.0 was first published as Saturn 6.0 and renamed, since another engine already has that name. Current version: Cassini 6.0 (network v6, training step 1,200,000). Author: Pranav Prasanna Cassini 6.0 download from page

Chess System Tal Assassin - new version chess engine

Image
  Chess-System-Tal  is a UCI chess engine written in C++ by Chris Whittington and Ed Schröder. Rating Chess Engines Diary CEDR=3751 What's new? Chess-System-Tal-Assassin is our strongest style engine, 15 elo stronger than Rebel 16.3 Chess System Tal 2 vs. other engines: Ethereal 14.25 162.5/359 -34 359 Games RubiChess 20240112 114/235 -7 235 Games Berserk 13 97/234 -40 234 Games Seer 2.8.0 99.5/197 +2 197 Games Koivisto 9.2 85.5/151 +20 151 Games Alexandria 7.0.0 60/143 -23 143 Games RofChade 3.1 71.5/140 +3 140 Games Obsidian 13.0 52.5/121 -16 121 Games PlentyChess 3.0.0 52/121 -17 121 Games Uralochka 3.41a JA 57.5/116 -1 116 Games Caissa 1.18 49/105 -7 105 Games Titan 1.1.0 52/104 +0 104 Games Rebel 16.3 51/99 +3 99 Games Dragon 3.3 38/97 -21 97 Games Berserk 12.1 37.5/96 -21 96 Games Obsidian 12.0 38/88 -12 88 Games RubiChess 20230918 40.5/86 -5 86 Games Clover 6.1 45/85 +5 85 Games PlentyChess 1.0.0 37/84 -10 84 Games Revenge 3.0 42.5/78 +7 78 Games Igel 3.5.0 42/78 +6 78 ...

Match: Fritz 21 vs Avalanche 5.0

Image
  The showdown between chess engines Fritz 21 and the new Avalanche 5.0 has wrapped up, with Fritz taking the win. It claimed victory in three games, lost one, and the rest ended in draws. CEDR 903.628 games download (until 30.06.2026) All Games 72.725 CEDR from 01.10.2026 download . 💾 Tournament games : 24 download 💻 Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB   🖬 GUI - Myracle, book:avt-2026b #chessenginesdiary Country - Poland, City - Malbork   🕓 Time 3'+3" P Engine Score **** +/-/= 1: Fritz 21 13.0 / 24 ½½½½½½½½½½½½½½1½½½0½1½1½ (+3 -1 =20) 2: Avalanche 5.0.0 11.0 / 24 ½½½½½½½½½½½½½½0½½½1½0½0½ (+1 -3 =20)