Stockfish 20260825 Ivec wins 1 League CEDR season 09/2026

 

The 2026 season of the CEDR Chess Engine League has kicked off, with Stockfish 20260825 Ivec taking the top spot. Obsidian dev-16.15 SE came in just half a point behind, while PlentyChess 8.0.0 secured third place. At the bottom of the table, Raphael 4.3.0 dev-acd050b, PZChessBot 7.1, and Horsie 1.1.0 have been relegated to the second league.

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 85.078 CEDR from 01.09.2026 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 20260825 Ivec	3880	35.0 / 60	1030.00	-30	(+10 -0 =50)
2:	Obsidian dev-16.15 SE	3814	34.5 / 60	1017.25	+30	(+10 -1 =49)
3:	PlentyChess 8.0.0	3827	32.0 / 60	954.00	-12	(+4 -0 =56)
4:	Alexandria 9.0.0 JA	3826	32.0 / 60	950.25	-12	(+5 -1 =54)
5:	Reckless 0.10.0 dev-7300f044	3846	31.5 / 60	932.25	-30	(+5 -2 =53)
6:	Tarnished 6.0	3739	30.5 / 60	907.25	+60	(+5 -4 =51)
7:	Dragon 3.3	3788	30.0 / 60	901.25	+12	(+2 -2 =56)
8:	Viridithas 20 JA	3794	30.0 / 60	894.00	+6	(+2 -2 =56)
9:	Astra 7.0 JA	3770	30.0 / 60	892.25	+24	(+2 -2 =56)
10:	Halogen 16.8.0	3812	30.0 / 60	891.25	-18	(+3 -3 =54)
11:	Berserk 14 JA	3783	29.5 / 60	883.75	+6	(+0 -1 =59)
12:	Caissa 1.26	3792	28.0 / 60	835.00	-12	(+1 -5 =54)
13:	Lc0 0.32.1	3790	27.5 / 60	826.50	-18	(+1 -6 =53)
14:	Raphael 4.3.0 dev-acd050b	3776	27.5 / 60	822.50	-6	(+2 -7 =51)
15:	PZChessBot 7.1	3742	26.5 / 60	795.00	+18	(+1 -8 =51)
16:	Horsie 1.1.0	3765	25.5 / 60	762.50	-12	(+0 -9 =51)