Since you’re here...

We hope you will consider supporting us today. We need your support to continue to exist, because good entries are more and more work time. Every reader contribution, however big or small, is so valuable. Support "Chess Engines Diary" even a small amount– and it only takes a minute. Thank you.
============================== My email: jotes@go2.pl

The 08/2026 edition of the Chess Engine League (CEDR) - completed!

on

The 08/2026 edition of the Chess Engine League (CEDR) - completed!
A total of 200 engines took part in the CEDR Chess Engine League (TOP-64) as well as the qualifying rounds!

TOP-64 League, strongest chess engines CEDR
1 League Season 08/2026 Rating Score note
1. Reckless 0.10.0-dev-7300f044 3832 19.5  
2. Stockfish dev-20260720 3842 19.0  
3. PlentyChess 8.0.0 3817 18.0  
4. Obsidian 16.15 SE 3793 16.0  
5. Dragon 3.3 3792 15.5  
6. Lc0 0.32.1 3787 15.5  
7. Berserk 14 JA 3784 15.0  
8. Halogen 16.7.13 3802 14.5  
9. Caissa 1.25 JA 3768 14.5  
10. Tarnished 6.0 3735 14.0  
11. PZChessBot 7.1 3741 13.5  
12. Viridithas 20 JA 3783 13.5  
13 Horsie 1.1.0 3762 13.5  
14. Quanticade Phoenix 4.0 3750 13.0  relegation
15. Integral 7 JA 3820 12.5  relegation
16. Stormphrax 8.0.0 3787 12.5  relegation
         
2 League Season 08/2026 Rating Score note
1. Alexandria 9.0.0 JA 3794 17.5  promotion
2. Astra 7.0 JA 3784 16.5  promotion
3. Raphael 4.3.0 dev-acd050b 3777 16.5  promotion
4. Cinder 0.5.2 3784 16.0  
5. Pawnocchio 2.0.1 3799 16.0  
6. Clover 9.1 3767 15.5  
7. Renegade 1.3.1 3736 15.5  
8. Uralochka 3.42a 3674 15.0  
9. Booot 7.4 3712 14.5  
10. Seer 2.8.0 JA 3705 14.5  
11. RubiChess 20250606 JA 3736 14.5  
12. Motor 0.9.0 3751 14.0  
13. Lizard 11.2 3746 14.0  
14. Starzix 6.1 JA 3735 14.0  relegation
15. Rebel 16.5 3699 14.0  relegation
16. Velvet 9.0.0 dev-7 JA 3727 12.0  relegation
         
3 League Season 08/2026 CEDR Score note
1. Torch-4 1.01 3811 19.0  promotion
2. Igel 3.6.3 JA 3707 16.5  promotion
3. Titan 1.1.0 JA 3709 16.0  promotion
4. Rofchade 3.1 3675 15.5  
5. Devre 6.39 JA 3731 15.5  
6. Akimbo 1.1.0 JA 3690 15.5  
7. Arasan 26 3697 15.0  
8. Koivisto 9.20 JA 3671 15.0  
9. Revenge 4.0 3690 14.5  
10. Clarity 8.0.0 JA 3676 14.5  
11. Spaghet-BologNNese 1.0 3669 14.5  
12. Elixir 3.0 JA 3632 14.0  
13. Peacekeeper 3.01 JA 3658 14.0  
14. Equisetum 1.30 JA 3669 14.0  relegation
15. Altair 7.2.1 JA 3648 13.5  relegation
16. Dragon free 3664 13.0  relegation
   
4 League Season 08/2026 CEDR Score note
1 Icarus 1.1.1 3720 21.0  promotion
2 Zangdar 7 JA 3624 19.0  promotion
3 Cataphract 1.5.1 3653 18.0  promotion
4 Pawn 4.0.4 JA 3565 16.5  
5 Fire 10 3633 16.0  
6 Slowchess 2.9 3595 16.0  
7 Ynode 0234 3556 16.0  
8 Minke 6.0.0 JA 3626 15.5  
9 Texel 1.13a4 JA 3605 15.0  
10 Bread 4.0.0 3608 14.5  
11 Minic 3.46 JA 3543 14.0  
12 Tenax 1.0 3600 14.0  
13 Patricia 5.0 3513 12.5  relegation
14 Winter 5.0 JA 3588 11.5  relegation
15 Willow 4.0 3618 10.5  relegation
16 Wasp 7.16 3547 10.0  relegation
   
Challenger Group A
A Season 08/2026 Rating Score note
1 Triumviratus 6.0 3772 39.0  promotion
2 Hypersion 3.2 3520 35.5  promotion
3 Prune 4.0.1 JA 3725 32.5  promotion
4 Chess System Tal 2.07 3672 32.5  promotion
5. Sirius 9.0 3545 27.0  
6. Superultra 2.1 JA 3561 25.5  
7. Monty dev-20260512 3384 25.5  
8. Tucano 12.17 JA 3523 25.5  
9. Rice 8.0 3504 25.0  
10. Lambergar 1.5 3559 24.5  
11. Stallion GB Edition 3480 24.0  
12. Arcanum 2.8 3475 24.0  
13. Midnight 9 JA 3486 22.5  
14. Expositor 5 JA 3505 22.5  
15. Stash 37.10 JA 3480 22.0  
16 Grail 2.0.1 3464 22.0  
17 Smallbrain 7.0 JA 3481 21.5  
18 Marvin 6.3.0 JA 3505 21.0  
19 Leorik 3.2 3486 21.0  
20 Illumina 3.0 JA 3429 20.5  
21 Gargantua 2.1 3589 20.5  relegation
22 Anduril 0.1 dev.ea5a JA 3486 18.0  relegation
23 Cwtch 6 3471 17.5  relegation
24 Cheng4 0.48 3457 17.5  relegation
25 Lynx 1.11.0 3373 13.0  relegation
Challenger Group B
B Season 08/2026 Rating Score note
1 Panda 2.0 JA 3676 34.5  promotion
2 Avalanche 3.0.0 3400 33.5  promotion
3 Lunar 0.4.0 3568 33.0  promotion
4 Shadow 0.3 3448 30.0  promotion
5. Sapling 1.2.7 3454 29.0  promotion
6. Jackal 2.0.0 3379 29.0  
7. Weiawaga 6.0 3557 27.0  
8. Myrddin 0.96 JA 3454 25.5  
9. Chessnix 1.4 3429 25.5  
10. MrBob 1.3.0 JA 3385 25.5  
11. Pedantic 2.1.0 3393 25.0  
12. Frozenight 7.0.0 JA 3376 24.0  
13. Weiss 2.1 JA 3477 24.0  
14. Perseus 1.1 JA 3386 24.0  
15. Counter 5.5 3413 23.5  
16 Nalwald ab11891 JA 3400 23.0  
17 Caligula 7.0 JA 3411 23.0  
18 EveAnn 5.1 3380 22.5  
19 RukChess 4.2.0 JA 3374 21.5  
20 Zahak 10.0 JA 3363 21.0  relegation
21 Odonata 1.1.0 3385 20.0  relegation
22 Xiphos 0.6.1 JA 3373 18.0  relegation
23 Drofa 4.1.1 JA 3334 15.0  relegation
24 Vajolet2 3.2 3499 15.0  relegation
25 Gaia 4.1.3 3257 8.0  relegation
Challenger Group C
C Season 08/2026 Rating Score note
1 Turbulence 0.0.8 JA 3523 40.5  promotion
2 Quirky 3.0 JA 3569 36.0  promotion
3 Petrel 4.0 JA 3355 33.5  promotion
4 Solo 2.2.0 JA 3423 29.5  promotion
5. Bitbit 1.7 3478 29.5  promotion
6. Defenchess 2.3 JA 3287 29.0  promotion
7. Tunguska 2.1 3364 27.0  
8. Lozza 10 3283 26.0  
9. Kociolek 2.1 JA 3268 26.0  
10. Maelstrom 3.3.0 3318 26.0  
11. Maestro 1.2.1 JA 3335 24.0  
12. Sturddle 2.5.0 3325 24.0  
13. Svart 6 b2c7255 JA 3253 23.5  
14. Jet 1.2 3257 22.0  
15. Laser 1.8 JA 3288 22.0  
16 Cadie 2.1 JA 3293 21.5  
17 Bit-Genie 9.24 JA 3309 21.5  
18 Publius 1.1 3416 21.5  
19 Yakka 1.5 3296 19.5  
20 Dog 4.1 3271 19.5  relegation
21 Flounder 0.5.0.2 3220 18.0  relegation
22 Gecko 0.40.1 3286 16.5  relegation
23 Demolito 2025-12-16 3251 16.0  relegation
24 Orion 1.1 3271 14.5  relegation
25 Priessnitz 2.0.1 JA 3313 13.0  relegation
Challenger Group D
D Season 08/2026 Rating Score note
1 Hobbes 3.0 3769 45.0  promotion
2 Rose 1.0.0 JA 3574 43.5  promotion
3 Coda 0.9.3 3808 42.0  promotion
4 Schneckbert 3.0 JA 3367 35.5  promotion
5. Askaig 20260704 3534 34.0  promotion
6. Thrawn 3.1 3584 33.0  promotion
7. Danasah 9.1 JA 3262 29.0  
8. Fizbo 2 JA 3158 28.0  
9. Monolith 3 3261 27.5  
10. Admete 1.9.0 JA 3175 24.0  
11. Aku 2025.7.9 3179 22.5  
12. ChessBrainVB 4.10 3204 22.5  
13. Olithink 5.11.9 JA 3179 22.0  
14. Pounce 3.0.0 3175 21.5  
15. Beef 0.3.6 JA 3268 21.0  
16 Throne 0.2 3149 20.5  
17 Invictus r391 JA 3158 20.0  
18 Wize 1.0 JA 3088 17.5  
19 4ku 5.1 3044 17.0  
20 Tomcat 1.0 JA 2962 16.5  relegation
21 Chess-3 4.0 3092 14.5  relegation
22 Revolver 2.0 JA 3104 13.0  relegation
23 Jackychess 25.12 JA 3013 12.0  relegation
24 Truncator 1.0 3083 9.5  relegation
25 Seawall 20250322 JA 3008 8.5  relegation
Challenger Group E
E Season 08/2026 Rating Score note
1 Wreckless 0.2.0 3834 67.0  promotion
2 Tcheran 13.0 3644 62.0  promotion
3 Ruthorin 1.9.9 2400 60.5  promotion
4 Ursus 1.0.0 2400 56.5  promotion
5. Clockwork dev-20260806 3447 56.0  promotion
6. Zigqueen 5.8.3 3473 56.0  promotion
7. Rodent V 1.1 2400 55.0  
8. Sable 3.0.0 3378 52.5  
9. Bagatur.cpp 1.0 3526 52.5  
10. JustBot 0.3.0 3218 51.5  
11. Onyx 2.0 3311 51.5  
12. Potential-unlocked JA 2400 48.0  
13. Gyatso 1.5.0 2400 48.0  
14. Rusty-rival 1.0.53 2936 42.0  
15. Noggin 2.1 3147 40.5  
16 Ceibo 1.10 2400 36.0  
17 Ember 1.2.0 3037 35.5  
18 Kobra 2.1 3192 34.0  
19 Bobcat 8.0 JA 2974 34.0  
20 Pluto 1.0.1 2984 29.5  
21 Sentinel 2.0 JA 3076 28.5  
22 Byte-knight 4.0.0 2971 27.5  
23 Cheese 3.3.0 JA 2914 27.5  
24 Eleanor 4.1 JA 3014 27.0  
25 Ratsu 2.1.0 2851 24.0  
26 MadChess 3.3 2862 23.0  
27 KnightX 4.92 2966 23.0  
28 Lux 5.0 2883 20.0  
29 Fatalii 0.10.1  2758 20.0  
30 Drosophila 1.6 JA 2723 18.5  
31 Mittens CEDR 08.2026 2400 14.5  
32 Chal 1.4.1 2830 14.5  
33 Luna Chess-Engine (LCE) 2.1.0 JA 2400 10.5  
34 Luminex 5.15.0 2400 7.5  
35 Verychess 0.4.0 2400 4.5  
36 Tuna 2 JA 2400 1.0  

Comments

Post a Comment