Stockfish dev-20260922 wins 1 League CEDR Season 10/2026

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The Chess Engine League 1 – Season 10/2026 has just concluded. Stockfish dev-20260922 won decisively, while Caissa 2.0 took the silver medal and Reckless 0.10.0 dev-26.08.2026 the bronze.
The bottom three engines in the standings were relegated to League 2.

You can find more information about the CEDR Chess Engine League on the dedicated website - LEAGUE.
CEDR 903.628 games download (until 30.06.2026)
All Games 72.725 CEDR from 01.10.2026 download.
💾 Tournament games: 480 download
💻 Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB  🖬 GUI - Myracle, book:avt-2026b
#chessenginesdiary Country - Poland, City - Malbork  🕓 Time 3'+3"


P Engine CEDR Score (Tie)  Chg +/-/=
1: Stockfish dev-20260922 3912 36.0 / 60 1063.50  -6 (+12 -0 =48)
2: Caissa 2.0 3825 32.0 / 60 952.50 +36 (+4 -0 =56)
3: Reckless 0.10.0 dev-26.08.2026 3891 32.0 / 60 949.00 -30 (+5 -1 =54)
4: Obsidian dev-16.15 SE 3856 31.5 / 60 937.50 +0 (+5 -2 =53)
5: Alexandria 9.0.0 JA 3837 31.0 / 60 923.00 +18 (+4 -2 =54)
6: Viridithas 20 JA 3840 31.0 / 60 921.50 +12 (+3 -1 =56)
7: PlentyChess 8.0.0 3872 30.5 / 60 911.00 -24 (+2 -1 =57)
8: Cinder 0.6.1 3843 29.5 / 60 884.00 -12 (+4 -5 =51)
9: Quanticade dev-20260929 3844 29.5 / 60 875.50 -12 (+4 -5 =51)
10: Halogen 16.8.0 3832 29.0 / 60 871.25 +0 (+1 -3 =56)
11: Tarnished 6.0 3788 29.0 / 60 867.75 +36 (+3 -5 =52)
12: Berserk 14 JA 3822 28.5 / 60 854.00 +6 (+3 -6 =51)
13: Stormphrax 8.0.0 3836 28.5 / 60 850.00  -6 (+5 -8 =47)
14: Lc0 0.33.0-rc0 3811 28.0 / 60 835.50 +12 (+2 -6 =52)
15: Dragon 3.3 3824 27.5 / 60 830.50  -6 (+1 -6 =53)
16: Astra 7.0 JA 3814 26.5 / 60 795.50  -12 (+0 -7 =53)

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