Chess Engines Diary

I t was a very close tournament, with only a single point separating the top and bottom chess engines. CorChess 20250904 and Yuliirma 5.0 tied for 1st and 2nd place, while Tactical Titan v5 and Brainlearn 31 tied for 3rd and 4th. GPU NVIDIA  RTX 3060 ti. GUI-Banksia, For Every Engine only 1 CPU and 512 Hashtables, Book - 4 GM mvs book,  6TBs. 🕒🕒Time 3'+3"    Tournament  download with 480 games   💾 All games CEDR  736.088 games download  (01.09.2025)   #chessenginesdiary P Engine Score (Tie) +/-/= 1-2 CorChess 20250904 30.5 / 60 914.00 (+1 -0 =59) 1-2 Yuliirma 5.0 30.5 / 60 914.00 (+1 -0 =59) 3-4 Tactical Titan v5 30.5 / 60 913.75 (+1 -0 =59) 3-4 Brainlearn 31 30.5 / 60 913.75 (+1 -0 =59) 5: Cool Iris 18 30.0 / 60 900.00 ...

  Here are the results of one of our largest chess engine tournaments. A total of 3,000 games were played! Only the strongest chess engines played. Three engines: BlackFish 270525, Brainlearn 30 and Yuliirma 5.0 achieved identical results, taking 1st-3rd place. More results coming soon! CEDR  664.406 games download  (01.06.2025) 💾  Tournament download with 3000 (!) games 💻Dell G15 SE, i7-11800H RAM 16,0 GB 🖬 GUI-Banksia 👍 @chessenginesdiary Country - Poland, City -  Malbork   🕓 Time 3'+3"  Tech table: Engine KN/mov NPS dep/mov time/mov mov/gam time/gam fails BlackFish 270525 12709 2375600 49.9 5.3 66.6 356.3 Brainlearn 30 10151 1888342 48.4 5.4 66.8 359.0 Caissa 1.22 24519 4416967 40.1 5.6 64.3 356.9 Clover 8.1.16 19937 4037609 44.8 4.9 83.3 411.5 Cool Iris v19 6130 1155110 43.7 5.3 69.2 367.0 2 DarkSeid v6.0 9871 1851179 47.1 5.3 67.5 360.1 DarkZoryn 9540 1780082 47.4 5.4 67.7 362.6 Killfish PB 200525 12128 2291265 49.9 5...

New versions of the strongest chess engines faced off in another test tournament. The winner was the Yuliirma 5.0 engine, which was the only one to win two games. Interestingly, the latest Stockfish 17.1 took last place ! GPU NVIDIA  RTX 3060 ti. GUI-Banksia, For Every Engine only 1 CPU and 512 Hashtables, Book - 4 GM mvs book,  6TBs. 🕒🕒Time 3'+3"   420 tournaments games download    💾 All games CEDR  625.428 games download  (01.04.2025)   @chessenginesdiary P Engine Score (Tie) +/-/= 1: Yuliirma 5.0 29.0 / 56 810.00 (+2 -0  = 54) 2: DarkSeid v5.7 28.5 / 56 796.75 (+1 -0  = 55) 3: Stockfish dev-20250402 28.5 / 56 796.50 (+1 -0  = 55) 4: Dark SisTer v5 28.5 / 56 796.50 (+1 -0  = 55) 5: TACTICAL 170325 28.0 / 56 784.00...

Tournament of the strongest chess engines - new versions. Places 1-2 were shared by CorChess 20250322 and Yuliirma 5.0. Places further from 3 to 7 were taken by engines: YuliGM 19, Yuliana 7.0, JudaS ++ 1.02, Cool Iris 14 and Artemis 10TR . More results soon on the website. Chess Engines Diary Team All CEDR  599.651 games download  (01.03.2025)  💾  816 games from the tournament download 👍 @chessenginesdiary Country - Poland, City -  Malbork   🕓 Time 3'+3"  💻Dell G15 SE, i7-11800H RAM 16,0 GB 🖬 GUI-Banksia Tech table: Engine KN/mov NPS dep/mov time/mov mov/gam time/gam fails Artemis 10TR 9095 1632934 48.0 5.6 61.6 343.2 Berserk 20250307b 20668 4199808 47.2 4.9 77.7 382.5 Caissa 1.21.7 JA 22434 4184222 38.7 5.4 66.1 354.6 Contact 12 L 10866 2006272 41.4 5.4 66.8 361.9 Cool Iris 14 9979 1943621 49.6 5.1 72.3 371.0 CorChess 20250322 11839 2094754 40.5 5.7 59.4 335.7 DarkSeid 5.6 8991 1650101 48.7 5.4 63.8 347.6 HypnoS ++ 1.02 ...

Yuliirma 5.0 - new version (Our testers start testing today) Rating Chess Engines Diary CEDR=3758 Yuliirma 4.0 vs other engines: Yuli GM Pro 16 111.5/222 +1 222 Partii Stockfish 16.1 95.5/193 -2 193 Partii Raid 3.6 TR 60.5/118 +3 118 Partii Kookaburra 2.00 57.5/116 -1 116 Partii Cool Iris 12.20 D-3072 45/84 +6 84 Partii Crystal 8 42/81 +3 81 Partii Deep Blue 20240315-killer 40/80 +0 80 Partii AbbyStein 2.8 35/70 +0 70 Partii Brainlearn 27 29.5/60 -1 60 Partii JigSaw 5.5i 30.5/58 +3 58 Partii SugaR AI SE 29/56 +2 56 Partii Deep Blue 20240518 28.5/56 +1 56 Partii Tactical Titan 28.5/54 +3 54 Partii Dragon 3.3 28.5/50 +7 50 Partii ShashChess 34.6 22.5/43 +2 43 Partii Cool Iris 12.10 21/42 +0 42 Partii HypnoS 160524 19.5/40 -1 40 Partii HypnoS 220424 19.5/38 +1 38 Partii Marauders 3.3i 19.5/38 +1 38 Partii Brainlearn 28 18/35 +1 35 Partii RapTora 3.0 16.5/34 -1 34 Partii Killfish 270224 16.5/34 -1 34 Partii Killfish 150624 15.5/34 -3 34 Partii ShashChess 35.2 15.5/32 -1 32 Partii SF-PRO 1...

Our next test, a large tournament in which over 1,000 games were played, was won by the Yuliirma 4.0 chess engine. This engine is only available to our testers. In second place is the official version of Stockfish 16.1 and in third place is Stockfish 20240421 . GPU NVIDIA  RTX 3060 ti. GUI-Banksia, For Every Engine only 1 CPU and 512 Hashtables, Book - short ICCF book,  6TBs. 🕒🕒Time 3'+3"   1050 (!!!) tournaments games download   💾 All games CEDR  317.321 games download  01.04.2024  (3'+3")    @chessenginesdiary

  💾  300 games from the tournament download   👍 @chessenginesdiary  Country - Poland, City -  Malbork 🕓 Time 3'+3" 💻Dell G15 SE, i7-11800H RAM 16,0 GB 🖬 GUI-Fritz 17 All  CEDR  300.608 games download  (01.03.2024 - 3'+3")  The Yuliirma 4.0 engine won another tournament. Good results of new engine versions (e.g. Rebel 16.3 or Obsidian 11 ) P Engine Score +/-/= 1: Yuliirma 4.0 17.0 / 24 (+10 -0 =14) 2: JigSaw 5.00 Hazard 16.5 / 24 (+9 -0 =15) 3: ShashChess 34.6 16.0 / 24 (+8 -0 =16) 4: Marauders 2.3 16.0 / 24 (+8 -0 =16) 5: INCOGNITO 7 16.0 / 24 (+8 -0 =16) 6: Stockfish 16.1 16.0 / 24 (+8 -0 =16) 7: SF 16.1 15.5 / 24 ...

  💾  380 games from the tournament download   👍 @chessenginesdiary  Country - Poland, City -  Malbork 🕓 Time 3'+3" 💻HP Pavilion i5-1035G1 8GB RAM 🖬 GUI-Banksia All  CEDR  300.608 games download  (01.03.2024 - 3'+3")  With such a strong lineup, it is difficult to win a winning game. Only the Yuliirma 4.0 engine won twice, which resulted in victory in the Star Wars - Clone Duel tournament. Tech table: Engine KN/move NPS dep/mov time/mov mov/game time/game fails AbbyStein v2.8 1889 369591 36.3 5.1 55.1 281.4 AI 28.0 2880 533910 33.6 5.4 56.5 304.9 CatroPOLY 3.3GCC 20230803 1717 296608 31.0 5.8 53.6 310.5 Charisma Diamond 3494 561317 32.4 6.2 50.1 312.1 Cool Iris 12.10 2133 347224 28.7 6.1 51.0 313.4 Cool Iris 12.10 D3072 1881 298429 29.3 6.3 48.8 307.4 CorChess 20240103 2088 347851 28.9 6.0 50.8 305.1 Crystal 7 CMB Ipman 2112 349426 26.7 6.0 43.9 265.3 Fisherov chess monk 1.2 3508 559358 33.6 6.3 48.6 ...