Chess Engines Diary

Several new versions of chess engines for Android have recently been released. Here they are: Luna Chess-Engine (LCE) 1.1.0, Lunar 0.4.0 JA, Myrddin 0.96 JA, Prune 4.0.1 JA, PZChessBot 7.1 JA, Rudim 3.0.5 JA, Thrawn 3.0 JA, Zangdar 7 JA, Viridithas 20 JA. We'll start testing them soon, so stay tuned for the results. Chess engine for Android - Luna Chess-Engine (LCE) 1.1.0 Luna Chess-Engine (LCE) 1.1.0 for Android download 👉 see post Luna Chess-Engine (LCE) 1.1.0 for Windows Chess engine for Android - Lunar 0.4.0 JA Lunar 0.4.0 JA for Android download 👉 see post Lunar 0.4.0 JA for Windows   Chess engine for Android - Myrddin 0.96 JA Myrddin 0.96 JA for Android download 👉 see post Myrddin 0.96 JA for Windows Chess engine for Android - Prune 4.0.1 JA Prune 4.0.1 JA for Android download 👉 see post Prune 4.0.1 JA for Windows Chess engine for Android - PZChessBot 7.1 JA PZChessBot 7.1 JA for Android download 👉 see post PZChessBot 7.1 JA for Windows   Chess engine for ...

Chess engine: Viridithas    Author: Cosmo Bobak Rating Chess Engines Diary CEDR=3696 Viridithas 20 what's new? The twentieth version of Viridithas is complete. ELO +60.84 ± 5.92 (+54.95LO +66.76HI) CONF 60+0.6 SEC (1 THREAD 128 MB CACHE) GAMES 3000 (1000W33.3% 1520D50.7% 480L16.0%) PENTA 6+2 650+1 702+0 142−1 0−2 Since version 19, new activation functions were researched and added for significant gain (https://asteri.sm/files/2026-01-13-activation, https://asteri.sm/files/2026-01-27-activation-2), extensions to the UCI interface that permit more intuitive interaction were implemented, thread selection became more intelligent, move ordering was enhanced, search was developed, and Threat Inputs to the NNUE were implemented – this release contains a cutting-edge enhancement thereupon, swedishchef’s Pawn-Pawn Inputs. Viridithas 18.0.0 JA vs other engines:   Obsidian dev-16.14 24/54 -6 54 games Caissa 1.22.1 26/50 +2 50 games Horsie 1.1.0 23.5/47 +0 47 games Berserk 20250622 ...

Viridithas 20.0.0 has once again won an elite chess engine tournament. PlentyChess 8.0.0 and Reckless 0.10.0-dev tied for second place. The event brought together engines that regularly play in our CEDR league and rank among the top 64. CEDR 885.750 games download (01.06.2026) 🕒🕒Time 3'+3"   Tournament download with 756  games   #chessenginesdiary GPU NVIDIA  RTX 3060 ti. GUI-Myracle, For Every E ngine only 1 CPU and 512 Hashtables,  Book - 4 GM mvs, book ,  6TBs.  P Engine Score (Tie) +/-/= 1: Viridithas 20.0.0 32.0 / 54 825.00 (+11 -1 =42) 2: PlentyChess 8.0.0 31.0 / 54 835.25 (+9 -1 =44) 3: Reckless 0.10.0-dev 31.0 / 54 805.75 (+8 -0 =46) 4: Alexandria 9.0.0 JA 30.5 / 54 794.75 (+9 -2 =43) 5: Clove...