Chess Engines Diary

On March 30, another Middle Class Engines Tournament ended. The winner was the Obsidian dev-15.09 engine, in second place the Alexandria-8.0.0 JA engine, and in third place the Integral 7.0.0 JA engine. We will post the results of the next tournaments soon - check back often. Chess Engines Diary Team 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"   612 tournaments games download    💾 All games CEDR  599.651 games download  (01.03.2025)   @chessenginesdiary P Engine Score (Tie) +/-/= 1: Obsidian dev-15.09 40.5 / 68 1348.50 (+13 -0 =55) 2: Alexandria-8.0.0 JA 40.0 / 68 1329.00 (+13 -1 =54) 3: Integral 7.0.0 JA 39.0 / 68 1312.50 (+12 -2 =54) 4: PlentyChess 5.0.0 39.0 / 68 1299.50 (+13 -3 =52) ...

1 League CEDR: Play-off Starzik 6.0 - Lizard 11.2 to see who will be relegated to the 2nd League. After 10 games, Starzik won and stayed in the 1st League. The next edition of the CEDR chess league will start tomorrow, i.e. April 1, 2025. All CEDR  599.651 games download  (01.03.2025)  💾  10 games from the tournament download 👍 @chessenginesdiary Country - Poland, City -  Malbork   🕓 Time 3'+3"  💻Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB 🖬 GUI-Fritz 17

MadChes  - UCI engines,  Author - Erik Madsen Rating Chess Engines Diary CEDR=2820   v.3.3: Added static exchange evaluation and integrated it into futility prun… MadChess 3.3 download MadChess 3.2.2 vs other engines: Knightx 4.0 2/5 -1 5 Games Kobra 1.2 1/5 -3 5 Games Motor 0.5.0 0/5 -5 5 Games Rodent NN JA 0/5 -5 5 Games OpenTal 1.1 JA 3/4 +2 4 Games Delocto 0.7 2/4 +0 4 Games CT800 1.46 1/4 -2 4 Games Twisted Logic 20100815 JA 1/4 -2 4 Games Toga IV 1.1 JA 0.5/4 -3 4 Games Pirarucu 3.3.5 JA 0.5/4 -3 4 Games Weiawaga 5.0 JA 0/4 -4 4 Games Igel 3.5.5 JA 0/4 -4 4 Games Uralochka 3.41a JA 0/4 -4 4 Games Peacekeeper 3.00 0/4 -4 4 Games Starzix 5.0 0/4 -4 4 Games Lishex 1.1.1 2.5/3 +2 3 Games Zevra 2.5 2/3 +1 3 Games Novice 3.1 2/3 +1 3 Games K2 0.99 2/3 +1 3 Games Colossus 2022a 2/3 +1 3 Games Fornax 4.0 1.5/3 +0 3 Games MadChess 3.2.2 beta - tournament results: Tournament Score progress 2024.05.25 - New Amateur Engines Test 12/44 -20 A-4 Amateur League CEDR...

Another tournament of new versions of chess engines for Android. Reckless 0.8.0 JA won by a large margin. Quanticade Fenrir 1.0 JA came in second and Perseus 1.0 JA came in third. More results coming soon. Chess Engines Diary Team 🕓 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: Reckless 0.8.0 JA 2889 17.0 / 18 132.25 +16 (+16 -0 =2) 2: Quanticade Fenrir 1.0 JA 3075 14.5 / 18 100.50 -13 (+14 -3 =1) 3: Perseus 1.0 JA 2400 14.5 / 18 96.00 +79 (+14 -3 =1) 4: Cadie 2.1 JA 2400 13.0 / 18 77.75 +63 (+12 -4 =2) 5: Pepito 1.59 2400 10.5 / 18 51.25 +38 (+10 -7 =1) ...

Small tournament of new chess engines on GUI-Aquarium. Obsidian dev-15.09 won, Pawnocchio 1.4 in second place and Cadie 2.1 in third. More tests are ongoing, results soon. Chess Engines Diary Team All CEDR  599.651 games download  (01.03.2025)  💾  90 games from the tournament download 👍 @chessenginesdiary Country - Poland, City -  Malbork   🕓 Time 3'+3"  💻Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB 🖬 GUI-Aquarium Pl Engine 1 2 3 4 5 6 7 8 9 10 Score SB 1 Obsidian dev-15.09 ½ ½ 1 1 1 1 1 1 1 1 1 1 ½ 1 1 1 1 1 16.5 130.8 2 Pawnocchio 1.4 ½ ½ 0 1 1 1 0 1 0 1 1 1 1 ½ 1 1 1 1 13.5 101.3 3 Cadie 2.1 0 0 1 0 1 ½ ½ ½ 1 ½ 1 1 1 ½ 1 1 1 1 12.5 85.5 4 Euwe 2.1.0 JA 0 0 0 0 0 ½ ½ ½ 1 1 ½ 1 1 ½ 1 1 1 1 10.5 64.5 5 Prelude Fusion 2.0 0 0 1 0 ½ ½ ½ ½ 0 ½ 1 ½ 1 ½ ½ 1 1 1 10.0 67.8 6 Sting Black Hole 10 0 0 1 0 0 ½ 0 ...

  Exciting news for Stockfish fans! Stockfish 17.1 is out today. The Chess Engines Diary Team is already starting to test it, and we'll find out how much stronger it is than Stockfish 17. Stockfish 17.1  AVX2 - Recommended for most users | Intel (2013+) and AMD (2015+) POPCNT -  A bit slower than AVX2 | Intel (2008+) and AMD (2011+) VNNI-512 VNNI-256 AVX-512 -  A bit faster than BMI2 | AMD Zen 4+ BMI2 -  A bit faster than AVX2 | Intel (2013+) and AMD Zen 3+ 64-bit -  Very slow, but works on all 64-bit CPUs. Stockfish 17.1 for Windows (all version) - download Stockfish 17.1 for MacOs (all version) - download Stockfish 17.1 for Android - download source:  https://stockfishchess.org

  Pawnocchio - UCI chess engine Author: Jonathan Hallstrom  v1.4: Progtests pending, but around +100 New net, (768hm->1024)x2->1x8 and some search improvements Now around 3375-3425 CCRL 40/15 and 3425-3475 CCRL Blitz Next release will probably take a while to land. Jim Ablett compiles: Pawnocchio 1.4 JA download

The 4th league of chess engines has ended - TOP 64 CEDR. The winner was the PlentyChess 5.0.0 engine, in second place the Integral 7.0 JA engine and in third place Clarity 7.2.0 JA . These three engines have advanced to the 3rd League. Further tests are ongoing, results soon. Chess Engines Diary Team All CEDR  599.651 games download  (01.03.2025)  💾  240 games from the tournament download 👍 @chessenginesdiary Country - Poland, City -  Malbork   🕓 Time 3'+3"  💻Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB 🖬 GUI-Arena P Engine CEDR Score (Tie) Chg +/-/= 1: PlentyChess 5.0.0 3723 24.5 / 30 341.50 -6 (+19 -0 =11) 2: Integral 7.0 JA 3715 24.0 / 30 327.25 -9 (+18 -0 =12) 3: Clarity 7.2.0 JA 3617 20.0 / 30 284.50 -21 (+10 -0 =20) 4: Midnight 9 JA 3446 17.5 / 30 234.75 +18 (+8 -3 =19) 5: Smallbrain 7.0 ...

Tournament of Very Strong Chess Engines. The Raid 3.7 TR and Contact 12 XL engines shared first place. YuliGM 19, Perelandra 2.0 , and HypnoS ++ 1.02 engines took third, fourth, and fifth places, respectively. Notably, the Stockfish 16.1 engine scored much better than Stockfish 17 . New tournament results are coming soon. Chess Engines Diary Team All CEDR  599.651 games download  (01.03.2025)  💾  1300 (!) 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/mo NPS dep/mov time/mov mov/gam time/gam fails Booot 7.4 11858 2409696 35.8 4.9 78.7 387.0 1 Caissa 1.21.7 22414 4108659 37.4 5.5 62.3 340.0 Caissa 1.21.7 JA 22599 4313586 39.6 5.2 71.2 373.0 Contact 12 XL 9550 1789671 38.9 5.3 68.9 367.6 2 Cool Iris 14 10675 2040085 48.3 5.2 71.0 371.4 3 Dark SisTer 5.0 14840 3417489 50.8 4.3 75.2 326.3 DarkSeid ...