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Stockfish 18 wins 1 League Chess Engines Diary - CEDR edition 02/2026, 2026.02.01-05

 


Stockfish 18 won the 1st Chess Engine League. However, it wasn't an easy victory, as runner-up Integral 7 dev.8bab JA finished with the same number of points. The final ranking was decided by the Sonneborn-Berger tie-break score, with Obsidian dev-16.15 SE taking third place.

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

CEDR 820.396 games download (01.02.2026)

💾 Tournament download with 240 games
💻 Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB  🖬 GUI - Arena
#chessenginesdiary Country - Poland, City - Malbork  🕓 Time 3'+3"

P Engine CEDR Score (Tie) Chg +/-/=
1: Stockfish 18 3755 17.0 / 30 250.25 -6 (+4 -0 =26)
2: Integral 7 dev.8bab JA 3725 17.0 / 30 250.00 +9 (+4 -0 =26)
3: Obsidian dev-16.15 SE 3732 16.5 / 30 244.00 +0 (+3 -0 =27)
4: Dragon 3.3 3712 15.5 / 30 231.75 +0 (+1 -0 =29)
5: PlentyChess Alamat 7.0.41 SE 3729 15.5 / 30 231.00 -9 (+1 -0 =29)
6: Berserk 20250622 3713 15.5 / 30 231.00 +0 (+1 -0 =29)
7: Halogen 15.31.7 3682 15.5 / 30 230.75 +15 (+1 -0 =29)
8: Alexandria 8.1.12 JA 3721 15.5 / 30 230.50  -6 (+2 -1 =27)
9: Caissa 1.24 JA 3709 15.0 / 30 225.00  -6 (+0 -0 =30)
10: Quanticade 3.0 Cronus 3686 15.0 / 30 225.00 +9 (+1 -1 =28)
11: Motor 0.9.0 3678 14.5 / 30 215.50 +6 (+2 -3 =25)
12: Clover 9.1 3693 14.0 / 30 210.25  -3 (+0 -2 =28)
13: Stormphrax 7.0.0 3683 14.0 / 30 209.25 +0 (+1 -3 =26)
14: Rubichess 20250606 JA 3697 14.0 / 30 208.50  -6 (+1 -3 =26)
15: Starzix 6.1 JA 3673 13.0 / 30 194.75  -9 (+0 -4 =26)
16: Renegade 1.2.0 3621 12.5 / 30 187.50 +12 (+0 -5 =25)



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