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Greko 2026.11 - new version chess engine

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Greko - UCI chess engine, Author: Vladimir Medvedev  Rating CEDR=3363 (NNUE version) What's new? GreKo 2026.11, 07-Nov-2026 ------------- - Full 64-bit hash key instead of 32-bit lock (better hash accuracy). - Fixed bug in HashEntry::SetScore: corrected condition for negative mate scores. - New history heuristic: single array [side][from][to] with gradient update formula. - Added history scaling between searches. - Added razor pruning for depths 1-3. - Added reverse futility pruning for depths 1-6. - Added futility pruning in move loop for quiet moves. - Added late move pruning (LMP) for quiet moves at depths 1-4. - Null move: added verification search, improved reduction formula. - LMR: replaced formula with pre-computed table, reduced penalty for PV nodes. - Simplified extensions: pawn on 7th rank and recapture extensions only. - Qsearch: use hash move for sorting, simplified SEE pruning conditions. - Fixed PV update to respect 50-move rule. - Added negative history bonus for...
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Stockfish 19 JA wins Strong Engines Test by Jörn Gronemann, 2026.11.04

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  A major tournament featuring super-strong chess engines comprised 3,800 games in total. Stockfish 19 JA emerged as the winner, while five other engines tied for 2nd through 6th place. CEDR 903.628 games download (30.06.2026) All Games  129.244  CEDR from 01.11.2026 download . 🕒🕒Time 3'+3"   Tournament download with 3800 games   #chessenginesdiary GPU NVIDIA  RTX 3060 ti. GUI-Myracle, For Every Engine only 1 CPU and 512 Hashtables,    Book - 3 mv book,  6TBs. P Engine Score (Tie) +/-/= 1: Stockfish 19 JA 195.5 / 380 37041.50 (+12 -1 =367) 2: Triumviratus 8.1 2026-10-29 194.5 / 380 36881.75 (+11 -2 =367) 3: Private19sf 3.30_VICE 194.5 / 380 36877.50 (+12 -3 =365) 4: SF-EN 031126 194.5 / 380 36874.25 (+12 -3 =365) 5:...
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Simple Chess 3.5.0 JA - new version chess engine

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SimpleChessEngine - UCI engine Author: LinkLikesLattes  Rating Chess Engines Diary CEDR=3696 SCE is a chess engine written in educational purposes. Its rating is aproximatly 1690 - 1750 elo. SCE won shallow blue and tscp It uses UCI protocol to communicate with GUI interface. It was not tested on linux! What's new? SimpleChess 3.7.0 Comparison (10+0.1, pentanomial SPRT) Elo (95%) Network only: SCNNUEv3-2026-11-04 vs SCNNUEv3-2026-10-15, both on the 3.7.0 engine +35 [+26, +45] Code + network: 3.7.0 vs the 3.6.0 release +38 [+28, +48] 3.7.0 vs the 3.5.0 release +111 [+93, +129] 3.5.0 is the point of comparison because it is the latest release with a CCRL rating: 3485 on CCRL 40/15 (one CPU). New network SCNNUEv3-2026-11-04. Same architecture; the training set adds four generations of self-play (2.61 billion), among them positions from a reverse analysis of the engine's own games, with the oldest 1.5 billion positions dropped, for a new training set of 4.29 billion positi...
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DON dev-20261109 - new version chess engine

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  DON   - UCI chess engine Author: Ehsan Rashid   Rating Chess Engines Diary CEDR=3948 DON is a free UCI chess engine. It is not a complete chess program and requires some UCI-compatible GUI (e.g. XBoard with Polyglot, eboard, Arena, Sigma Chess, Shredder, Chess Partner or Fritz) in order to be used comfortably.  DON what's new? Precompiled binaries of the latest DON development version, built automatically on every commit. DON dev-20260116 vs other engines: Revolution 4.50 160126 5.5/10 +1 10 games CorChess 20260108 5/10 +0 10 games Stockfish dev-20260115 5/10 +0 10 games Esox III 5/10 +0 10 games HypnoS 241225 5/10 +0 10 games JigSaw 7.00 SuPreme 5/10 +0 10 games Kookaburra 3.11 5/10 +0 10 games Artemis 26.1TR PrO 5/10 +0 10 games Raid 5.3 5/10 +0 10 games ShashChess 40 5/10 +0 10 games Stockfish 17.1 5/10 +0 10 games Tactical Titan 6.0 PrO 4.5/10 -1 10 games DarkSeid 7.7 EE 4.5/10 -1 10 games StockfishMZ 121225 4.5/10 -1 10 games Brainlearn 31 4/9 -1 9 g...
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Malika HCE 1.821 wins Challenger Group C, edition 11/2026

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  The third qualifying group, Group C, of the Chess Engine League has concluded. Malika HCE 1.821 finished in first place, while Allie 0.8-dev (a0fb846), Gyatso 1.6.0, Eleanor 4.1, MORS 0.2.0 , and CeylonDemon 3.3 secured places 2 through 6. These engines have earned promotion to Group B. Meanwhile, the engines that finished in positions 25 to 30 have been relegated to Group D. CEDR Chess Engine League - more . CEDR 903.628 games download (until 30.06.2026) All Games 129.244 CEDR from 01.11.2026 download . 💾 Tournament games : 165 download 💻 Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB   🖬 GUI - GUI - Myracle, book:avt-2026b #chessenginesdiary Country - Poland, City - Malbork   🕓 Time 3'+3" Pl Engine Points % Bu W-L-D note 1 Malika HCE 1.821 8.0/11 72.7 68.0 +5-0=6 promotion 2 Allie 0.8-dev (a0fb846) 7.5/11 68.2 65.5 +5-1=5 promotion 3 Gyatso 1.6.0 7.0/11 63.6 70.0 +3-0=8 promotion 4 Eleanor 4.1 7.0/11 6...
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