Chess Engines Diary

Hlamnick 200226 won another tournament featuring new versions of chess engines. Artemis 27TR PrO took second place, and Revolution 4.90 210226 took third.   CEDR   820.396 games download   (01.02.2026) 💾  Tournament  download with 684 games 💻 HP ENVY i5-8250U 8GB RAM  🖬 GUI - Banksia #chessenginesdiary Country - Poland, City -  Malbork   🕓 Time 3'+3" P Engine Score (Tie) +/-/= 1: Hlamnick 200226 46.0 / 72 1420.75 (+20 -0 =52) 2: Artemis 27TR PrO 45.5 / 72 1427.25 (+19 -0 =53) 3: Revolution 4.90 210226 45.0 / 72 1411.50 (+18 -0 =54) 4: Raid 6.0 45.0 / 72 1401.75 (+18 -0 =54) 5: JigSaw 8.0 45.0 / 72 1395.00 (+18 -0 =54) 6: DarkSeid 10.2 SE 45.0 / 72 1393.25 (+18 -0 =54) 7: Stockfish 18 45.0 / 72 1390...

  Killfish PB 260126 won the latest Elite Chess Engines tournament. Stockfish 18 took second place and Hlamnick 200226 took third. CEDR   820.396 games download   (01.02.2026) 💾  Tournament  download with 342 games 💻 Dell G15 SE, i7-11800H RAM 16,0 GB  🖬 GUI - Fritz 17 #chessenginesdiary Country - Poland, City -  Malbork   🕓 Time 3'+3" P Engine Score (Tie) +/-/= 1: Killfish PB 260126 19.5 / 36 335.75 (+3 -0 =33) 2: Stockfish 18 19.0 / 36 333.75 (+2 -0 =34) 3: Hlamnick 200226 19.0 / 36 333.00 (+2 -0 =34) 4: DON dev-20260222 19.0 / 36 327.50 (+2 -0 =34) 5: SF-POLY 160226 19.0 / 36 327.25 (+3 -1 =32) 6: DarkSeid 10.2 SE 18.5 / 36 324.75 (+1 -0 =35) 7: HypnoS EN 2.0 18.5 / 36 324.75 ...

  WHAT IS STOCKFISH+? Stockfish+ is basically the same Stockfish chess engine, with the ability to read Polyglot (.bin) book and Chessbase (.ctg) books. Its first version is paired with Stockfish 18 and can read up to two different books at the same time, of your choice, whether bin or ctg. This chess engine is the successor of Stockfish Polyglot. The feature of reading both the kind of books was requested many times over the years. Stockfish+ download   mirror  

Hlamnick 080126 won another tournament featuring new versions of powerful chess engines. HypnoS EN 1.0 took second place, and YuliGM Pro 20 took third.   CEDR   820.396 games download   (01.02.2026) 💾  Tournament  download with 420 games 💻 Dell G15 SE, i7-11800H RAM 16,0 GB  🖬 GUI - Fritz 17 #chessenginesdiary Country - Poland, City -  Malbork   🕓 Time 3'+3" P Engine Score (Tie) +/-/= 1: Hlamnick 080126 38.0 / 56 958.50 (+20 -0 =36) 2: HypnoS EN 1.0 36.5 / 56 916.75 (+17 -0 =39) 3: YuliGM Pro 20 35.5 / 56 878.50 (+16 -0 =39) 4: Esox II 35.0 / 56 873.50 (+15 -0 =40) 5: DON dev-20260215 34.5 / 56 872.00 (+15 -2 =39) 6: Dragon 3.3 34.0 / 56 852.25 (+12 -0 =44) 7: Halogen 16.0.0 32.0 ...

Dear readers and friends of the Chess Engines Diary Team, Today, we're pleased to announce another update to the MEGA disk . As a bonus for our supporters, we have added a total of 46 new files , including chess engines, opening books, and games. Look: New Bonus Rules from the Chess Diary MEGA Dysk - update 27.02 .2026   (46 files added) Engines for Windows: (19 files):  AdityaChess0.1.7z Clockwork dev-20260223.7z DarkSeid 10.2_SE.7z DeepBecky 1.2.7z DON 22.02.2026.7Z Halogen 16.2.0.7z Hlamnick 200226.7z Knightx 4.8.7z Malika 0.892.7z Nyx 1.0.7z Phalanx XXV JA.7z Plum 7.16.0.7z Prune 3.2.0.7z Prune 3.2.1.7z Raid 6.0 T1000.7z Revolution 4.90-210226.7z Rusty-rival 1.0.30 rc6.7z Shallow Guess 1.0.0.7z SoloEngine 1.4.0 JA.7z MacOS (6 files):  DON 22.02.2026 for MacOS.7z DON dev-20260225.7z Plum 7.16.0 for MacOS.7z Prune 3.2.0 for MacOS.7z Prune 3.2.1 for MacOS.7z Zangdar 6.1.1.7z Engines for Android (10 files): DON 20260204 for Android.7z DON dev-20260212 for Android.7z Koci...

  In a small tournament featuring new chess engine versions, Prune 3.2.1 took first place, followed by Malika 0.892 in second. Both engines outperformed the Critter 1.6a benchmark and have qualified for the upcoming Chess Engine League (TOP-64) season. CEDR   820.396 games download   (01.02.2026) 💾  Tournament download with 42 games 💻 Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB  🖬 GUI - Arena #chessenginesdiary Country - Poland, City -  Malbork   🕓 Time 3'+3"   P Engine CEDR Score (Tie) Chg +/-/= 1: Prune 3.2.1 2400 11.5 / 12 56.75 +72 (+11 -0 =1) 2: Malika 0.892 2400 9.5 / 12 37.75 +52 (+9 -2 =1) 3: Critter 1.6a 3230 8.5 / 12 32.25 -22 (+7 -2 =3) 4: Shallow Guess 1.0.0 2400 6.5 / 12 16.25 +22 (+6 -5 =1) 5: Phalanx XXV JA 2630 3.0 / 12 3.50 -53 (+2 -8 =2) 6: Rusty-rival 1.0....

KnightX - UCI/winboard chess engine Author- Christophe Jolly  Rating Chess Engines Diary CEDR=2908 KnightX ,  a Chess Engine Communication Protocol compliant chess engine by Christophe Jolly, written in C, and alias and successor of the native Windows program Techno Chess. KnightX, supporting WinBoard, was first published in December 1999, and since 2004, KnightX 1.86 runs under Linux via XBoard. KnightX played the Massy 2003 French Programmers Tournament, and the FCCC 2003 French Computer Chess Championship. After a long break from 2005 with KnightX 1.92, Christophe Jolly had his comeback in February 2019, when he released Knightx 1.93, continuing with subsequent versions. ( source: Chess Programming Wiki). What has changed in the new version KnightX 4.8? Futility prunings and history tables improved Passed pawns evaluation improved Automatic parameters tuning with more games vs other programs Knightx 4.7 vs other engines: Caligula 3.0 1/5 -3 5 games Caissa 1.24 JA 0...

Deep Becky - UCI chess engine Author: Diogo de Oliveira Almeida Deep Becky was born from a simple question: "Can AI create a functional UCI chess engine from scratch?" Development began around July 2025 using conversations with ChatGPT to create the C++ code. The AI wrote 100% of the code while I provided guidance, testing, feedback, and strategic decisions about next steps. The path was quite challenging - copying code from chat conversations to Notepad, attempting to compile, facing countless compilation errors, and when it finally compiled, dealing with recognition issues in Fritz. After many attempts and corrections, going through engines that weren't recognized, didn't make moves, or made illegal moves, I finally achieved functional code that respects all chess rules. Deep Becky 1.2 what's new? Deep Becky 1.2 is a  major architectural restructure  and search upgrade over version 1.1. The codebase was split from 8 files into  25 files  with proper header/im...

  The Sky Mini MPV emerged victorious in the latest Elite Chess Engines tournament. Leptir Testpilot secured second place, while Artemis 27TR PrO followed in third. Once again, the Reckless 0.9.0 dev-2a847427 engine delivered a very impressive performance. CEDR   820.396 games download  (01.02.2026) 🕒🕒Time 3'+3"   Tournament  download with 1122 games   #chessenginesdiary GPU NVIDIA  RTX 3060 ti. GUI-Banksia, For Every    Engine  only 1 CPU and 512 Hashtables,    Book  - 4 GM mvs      book ,  6TBs. P Engine Score (Tie) +/-/= 1: Sky Mini MPV 37.5 / 66 1210.25 (+9 -0 =57) 2: Leptir Testpilot 37.0 / 66 1199.75 (+8 -0 =58) 3: Artemis 27TR PrO 36.0 / 66 1181.25 (+6 -0 =60) 4...