Chess Engines Diary

Check out this incredible showdown between two powerful chess engines, YuliGM Pro 20 and Cool Iris 15 , both built on the legendary Stockfish code. Witness how White orchestrated a brilliant attack and secured victory!

  YuliGM Pro Apex - new version (Only for our testers, testing is already underway). Chess Engines Diary Rating CEDR=3756 We have just received the newest YuliGM Pro Apex  chess engine for testing. First results coming soon, stay tuned to our website! YuliGM PRO 20 vs other engines : ShashChess 39 48.5/97 +0 97 Games SF-PRO2 02.05.2025 42.5/83 +2 83 Games Stockfish 17.1 37.5/77 -2 77 Games SF-PRO 02.05.2025 27/55 -1 55 Games Kookaburra 3.10 26.5/55 -2 55 Games DarkZoryn 2.0 26.5/53 +0 53 Games HypnoS ++ 1.03 27.5/49 +6 49 Games Stockfish dev-20250809 24.5/49 +0 49 Games Spirit 100825 24/49 -1 49 Games Laser 1.8 beta JA 40/42 +38 42 Games Fire 10 mingw 30.5/42 +19 42 Games Astra 6.1.1 25/42 +8 42 Games Caissa 1.23 24/42 +6 42 Games Tactical Titan v3 21/42 +0 42 Games CorChess 20250618 21/41 +1 41 Games Stockfish dev-20250906 19.5/39 +0 39 Games OmegaCor 280825 19/38 +0 38 Games PlentyChess 6.0.18 20/36 +4 36 Games Pawnocchio 1.8.1 20.5/34 +7 34 Games Omega 10 17/34 +0 34 Game...

  YuliGM 2026 secured a hard-fought victory over Fritz 20 in their recent encounter. Out of 24 games, 21 ended in draws, while YuliGM clinched the match by winning two games and losing only one. CEDR   837.643 games download   (01.03.2026) 💾  Tournament  download with 24 games 💻 HP ENVY i5-8250U 8GB RAM  🖬 GUI - Banksia #chessenginesdiary Country - Poland, City -  Malbork   🕓 Time 3'+3" P Engines Score (Tie) +/-/= 1: YuliGM 2026 12.5 / 24 143.75 (+2 -1 =21) 2: Fritz 20 11.5 / 24 143.75 (+1 -2 =21)

  YuliGM 2026  - new version (Only for our testers, testing is already underway). Chess Engines Diary Rating CEDR=3756 We have just received the newest YuliGM 2026  chess engine for testing. First results coming soon, stay tuned to our website! YuliGM PRO 20 vs other engines : ShashChess 39 48.5/97 +0 97 Games SF-PRO2 02.05.2025 42.5/83 +2 83 Games Stockfish 17.1 37.5/77 -2 77 Games SF-PRO 02.05.2025 27/55 -1 55 Games Kookaburra 3.10 26.5/55 -2 55 Games DarkZoryn 2.0 26.5/53 +0 53 Games HypnoS ++ 1.03 27.5/49 +6 49 Games Stockfish dev-20250809 24.5/49 +0 49 Games Spirit 100825 24/49 -1 49 Games Laser 1.8 beta JA 40/42 +38 42 Games Fire 10 mingw 30.5/42 +19 42 Games Astra 6.1.1 25/42 +8 42 Games Caissa 1.23 24/42 +6 42 Games Tactical Titan v3 21/42 +0 42 Games CorChess 20250618 21/41 +1 41 Games Stockfish dev-20250906 19.5/39 +0 39 Games OmegaCor 280825 19/38 +0 38 Games PlentyChess 6.0.18 20/36 +4 36 Games Pawnocchio 1.8.1 20.5/34 +7 34 Games Omega 10 17/34 +0 34 Games A...

YuliGM Pro 20 and Steel Fighter III took the top two spots in the latest tournament of powerful chess engines. Places 3-5 were taken by SF-PRO2 02.05.2025, DarkSeid 7.5 EE , and JudaS 1.0.1. As you can see from the table, the tournament was very close. CEDR   788.872 games download   (01.12.2025) 💾  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: YuliGM Pro 20 19.0 / 36 338.75 (+2 -0 =34) 2: Steel Fighter III 19.0 / 36 338.75 (+2 -0 =34) 3: SF-PRO2 02.05.2025 19.0 / 36 338.50 (+2 -0 =34) 4: DarkSeid 7.5 EE 19.0 / 36 338.50 (+2 -0 =34) 5: JudaS 1.0.1 19.0 / 36 338.50 (+2 ...

The engines Brainlearn 31, Leptir TI MPV, YuliGM Pro 20 , and Kookaburra 3.11 have won another tournament featuring the latest chess engines. The strong performance of Stockfish 16.1 in this field demonstrates the minimal progress made by new engines built upon the Stockfish codebase.   CEDR   788.872 games download   (01.12.2025) 💾  Tournament  download with 272 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) +/-/= 1-4 Brainlearn 31 16.5 / 32 262.50 (+1 -0 =31) 1-4 Leptir TI MPV 16.5 / 32 262.50 (+1 -0 =31) 1-4 YuliGM Pro 20 16.5 / 32 262.50 (+1 -0 =31) 1-4 Kookaburra 3.11 16.5 / 32 262.50 (+1 -0 =31) 5: Dark SisTer v6 16.0 / 32 ...

  Here are the results of a very large chess engine tournament, with 2,808 games played, with each engine playing 208 games . The winner was the YuliGM Pro 20 engine, followed by Claw 2.0 , and Tactical Titan v5 in third. Despite such a large number of games, these three engines each scored the same number of points, and the ranking was determined by a bonus point (Berger). CEDR  736.088 games download   (01.09.2025) 💾  Tournament  download with 2808 games 💻HP ENVY i5-8250U 8GB RAM  🖬 GUI - Lucas Chess 👍 #chessenginesdiary Country - Poland, City -  Malbork   🕓 Time 3'+3" P Engine CEDR Score (Tie) Chg +/-/= 1: YuliGM Pro 20 3756 140.0 / 208 12772.75 -125 (+72 -0 =136) 2: Claw 2.0 3750 140.0 / 208 12710.50 -104 (+72 -0 =136) 3: Tactical Titan v5 3755 140.0 / 208 12706.25 ...

  This game is from a match in which Fritz 20 evaluated new versions of powerful chess engines. The YuliGM 20 Pro engine, under evaluation in this contest, proved to be significantly superior. This win for YuliGM is a prime example of its strength, as a brilliant sequence of moves led to a decisive advantage that was skillfully converted in the endgame. A truly beautiful and compelling game, played under a time control of 3 minutes plus 3 seconds per move.

We just received the YuliGM 20 Pro engine for testing. The first test was a 100-game match against the Fritz 20 engine. YuliGM emerged victorious, winning 12 games and losing none. We've included three selected games on our website so you can see for yourself how it all happened. CEDR  705.417 games download   (01.08.2025) 💾  Tournament  download with 100 games 💻Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB  🖬 GUI-Fritz 20 👍 @chessenginesdiary Country - Poland, City -  Malbork   🕓 Time 3'+3" Interesting games: Games [Event "Frit20.YuliGM20Pro.Match, Błysk 3.0min+"] [Site "?"] [Date "2025.08.08"] [Round "92.1"] [White "YuliGM Pro 20"] [Black "Fritz 20"] [Result "1-0"] [ECO "B12"] [Annotator "0.28;0.25"] [PlyCount "151"] [EventDate "2025.08.07"] [EventType "tourn"] [SourceTitle "Fritz Engine Tournament"] [TimeControl ...