Grail 2.0.0 wins Challenger Group B edition 05/2026

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Grail 2.0.0 won Group B of the Chess Engine League. Jackal 2.0.0 took second place, and Xiphos 0.6.1 JA took third. Engines that finished 1st-4th will advance to Group A.

You can find more information about the CEDR Chess Engine League on the dedicated website - LEAGUE.

CEDR 871.259 games download (01.05.2026)

💾 Tournament download with 300 games
💻 Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB  🖬 GUI - Arena
#chessenginesdiary Country - Poland, City - Malbork  🕓 Time 3'+3"


RankEngineAuthorCEDRScoreS-B
01Grail 2.0.0 Jorgen Hanssen240018.0/24 204,25 
02Jackal 2.0.0 Tomasz Jaworski240017.0/24 191,25 
03Xiphos 0.6.1 JA Milos Tatarevic332915.5/24 179,75 
04Zahak 10.0 JA Manuel Diaz332515.5/24 173,00 
05MrBob 1.3.0 JA Vincent Yu336715.5/24 168,50 
06Tunguska 2.1 Fernando Mir263814.5/24 171,25 
07Rukchess 4.2.0 JA Ilya Rukavishnikov333114.5/24 171,00 
08Petrel 3.3.1 JA Aleks Peshkov240014.5/24 167,75 
09Drofa 4.1.1 JA Rustad-Elliott & Litov328513.0/24 147,50 
10Jet 1.2 Rafid Ahsan324612.5/24 142,75 
11Frozenight 7.0.0 JAMinusKelvin 332812.0/24 138,00 
12Odonata 1.1.0 Watkins & Ristrick 330112.0/24 131,25 
13Vajolet2 3.1 Marco Belli317911.5/24 130,75 
14Lynx 1.11.0 Eduardo Caceres327611.5/24 127,00 
15Defenchess 2.3 JA Can Cetin & Dogac Eldenk330511.0/24 119,25 
16Cadie 2.1 JA Martin Wyngaarden301410.5/24 116,75 
17Monolith 3 Jonas Mayr310310.5/24 115,00 
18Svart 6 b2c7255 JA Cristopher Torgrip327010.0/24 110,00 
19Kociolek 2.1 JA Kociolek24009.5/24 107,25 
20Yakka 1.5 Christopher Crone28949.5/24 102,50 
21Fizbo 2 JA Youri Matiounine30649.5/24 98,75 
22Priessnitz 2.0.1 JAKevin Feske24009.0/24 103,50 
23Orion 1.1 David Carteau30848.5/24 103,25 
24Aku 2025.7.9 Hoa T. Vu31787.5/24 84,25 
25Flounder 0.5.0.2 Phil Brooks32187.0/24 82,50 



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