Grail 2.0.0 wins Challenger Group B edition 05/2026

 

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"

Rank	Engine	Author	CEDR	Score	S-B
01	Grail 2.0.0	Jorgen Hanssen	2400	18.0/24	204,25
02	Jackal 2.0.0	Tomasz Jaworski	2400	17.0/24	191,25
03	Xiphos 0.6.1 JA	Milos Tatarevic	3329	15.5/24	179,75
04	Zahak 10.0 JA	Manuel Diaz	3325	15.5/24	173,00
05	MrBob 1.3.0 JA	Vincent Yu	3367	15.5/24	168,50
06	Tunguska 2.1	Fernando Mir	2638	14.5/24	171,25
07	Rukchess 4.2.0 JA	Ilya Rukavishnikov	3331	14.5/24	171,00
08	Petrel 3.3.1 JA	Aleks Peshkov	2400	14.5/24	167,75
09	Drofa 4.1.1 JA	Rustad-Elliott & Litov	3285	13.0/24	147,50
10	Jet 1.2	Rafid Ahsan	3246	12.5/24	142,75
11	Frozenight 7.0.0 JA	MinusKelvin	3328	12.0/24	138,00
12	Odonata 1.1.0	Watkins & Ristrick	3301	12.0/24	131,25
13	Vajolet2 3.1	Marco Belli	3179	11.5/24	130,75
14	Lynx 1.11.0	Eduardo Caceres	3276	11.5/24	127,00
15	Defenchess 2.3 JA	Can Cetin & Dogac Eldenk	3305	11.0/24	119,25
16	Cadie 2.1 JA	Martin Wyngaarden	3014	10.5/24	116,75
17	Monolith 3	Jonas Mayr	3103	10.5/24	115,00
18	Svart 6 b2c7255 JA	Cristopher Torgrip	3270	10.0/24	110,00
19	Kociolek 2.1 JA	Kociolek	2400	9.5/24	107,25
20	Yakka 1.5	Christopher Crone	2894	9.5/24	102,50
21	Fizbo 2 JA	Youri Matiounine	3064	9.5/24	98,75
22	Priessnitz 2.0.1 JA	Kevin Feske	2400	9.0/24	103,50
23	Orion 1.1	David Carteau	3084	8.5/24	103,25
24	Aku 2025.7.9	Hoa T. Vu	3178	7.5/24	84,25
25	Flounder 0.5.0.2	Phil Brooks	3218	7.0/24	82,50