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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  ðŸ–¬ 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


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