Petrel 3.5 JA wins New Engines - Critter Test, 2026.06.04

 

Critter Test serves as a gateway for new or improving engines to enter the Chess Engine League qualifiers. Thanks to their top-two finishes, champion Petrel 3.5 JA and runner-up GOOB 2.0.0 JA have successfully secured their spots in the tournament's next edition.

CEDR 885.750 games download (01.06.2026)

💾 Tournament download with 56 games
💻 Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB  🖬 GUI - Fritz 21
#chessenginesdiary Country - Poland, City - Malbork  🕓 Time 3'+3"

P	Engine	Score	(Tie)	1	2	3	4	5	6	7	8
1:	Petrel 3.5 JA	10.5 / 14	51.00	XX	10	=1	11	11	**	11	11
2:	GOOB 2.0.0 JA	9.5 / 14	43.50	01	XX	==	=1	11	**	11	11
3:	Critter 1.6a	9.0 / 14	35.75	=0	==	XX	==	11	*=	11	11
4:	Axiom 1.0	8.0 / 14	26.75	00	=0	==	XX	11	=*	11	11
5:	CrispyCrab 2.0.0	4.0 / 14	4.00	00	00	00	00	XX	**	11	11
6:	Eleanor 4.1 JA *crash	2.0 / 14	8.50	**	**	*=	=*	**	XX	**	*1
7:	JustBot 1.0	2.0 / 14	0.00	00	00	00	00	00	**	XX	11
8:	SalmonEngine 2.0	0.0 / 14	0.00	00	00	00	00	00	*0	00	XX