Chess engine: Stockfish 22122415 NNUE for Windows and Linux (+1.43)

-


Stockfish 22122415 - UCI chess engine, compiled by Muzhen Gaming
Rating CEDR=3748

Timestamp: 1671894110
Add double bonus for prior countermove fail low
Add a double extra bonus for particularly bad fail low cases. Original idea by Yoshie2000.

STC: https://tests.stockfishchess.org/tests/view/63a2f0d86b5bf07ac7fad543
LLR: 2.94 (-2.94,2.94) <0.00,2.00>
Total: 146488 W: 38992 L: 38532 D: 68964 Elo +1.09
Ptnml(0-2): 385, 16036, 39965, 16450, 408

LTC: https://tests.stockfishchess.org/tests/view/63a3eaeb6b5bf07ac7fafdec
LLR: 2.95 (-2.94,2.94) <0.50,2.50>
Total: 103992 W: 27853 L: 27423 D: 48716 Elo +1.44
Ptnml(0-2): 41, 10029, 31435, 10441, 50

closes https://github.com/official-stockfish/Stockfish/pull/4302
Bench: 3801857

Download:

Our social media:
Twitter
 Facebook
 Instagram
 Pinterest
 Reddit
 Tumblr
 VKontakte


Comments

Post a Comment

Popular posts from this blog

We already have the new Fritz 20 program - what does it look like and how does it work?

-
Image
The purchase process for the download version on the ChessBase website took only 5 minutes. Downloading the files from the cloud was even quicker. The installation itself, which involved five large files, took maybe 7 minutes, including restarting the system and entering the serial number I received upon purchase. The start image for Fritz 20 has a strange mosaic of colors; perhaps I'll get used to it. As you can see in the second screenshot, the program interface hasn't changed much; only the icons are different (we've been using Fritz 17 until now). It looks nice, but it's no major revolution. The next two screenshots show engine management and the installation of the UCI chess engine (here, Cataphract 1.1). As you can see, there are no changes. Screenshot no. 5 shows the analysis of some position by Fritz 20 engines. The changes are minimal - it is still very legible. Finally, on screen 6 we have the engine tournament table generated by Fritz 20 . I think it is sti...
Read more

Stockfish 250702 wins Android Chess Engines Tournament, 2025.08.03-04

-
Image
Stockfish 250702 won the tournament for new versions of chess engines for Android. Rubichess 20250606 JA came in second, and CorChess 250618 came in third. Further testing will begin today. 🕓 Time 3' 💻Tablet - Smasung Galaxy TAB S6 Lite, 4GB RAM 💾  90 games from the tournament download    🖬 GUI-Chess Tournament for Android, Country - Poland, City -  Malbork 💾 All CEDR games for Android  24.494 games download  (3')  P Engine CEDR Score (Tie) Chg +/-/= 1: Stockfish 250702 3598 15.0 / 18 112.75 -5 (+12 -0 =6) 2: Rubichess 20250606 JA 3350 14.0 / 18 103.50 +11 (+11 -1 =6) 3: CorChess 250618 3574 12.0 / 18 96.50 -32 (+9 -3 =6) 4: Saturn 1.3 JA 2400 12.0 / 18 84.00 +77 (+9 -3 =6) 5: Frozenight 7.00 JA 3218 10.5 / 18 77.00 -11 (+8 -5 =5) 6: Marvin 6.3.0 JA 3267 8.5 / 18 47.00 ...
Read more