In January 2025, our testers organized chess engine tournaments in which 33,436 games were played.Thanks to this, the ranking is calculated based on 576,727 games!
The list only includes chess engines that have played at least 500 games in our tests.
The game database has been "cleaned" of games that had less than 10 moves.
The game database has been "cleaned" of games that had less than 10 moves.
Chess Engines Diary Rating CEDR – 01.02.2025
generated with Ordo 0.9.9 (anchor Critter 1.6a with 3230)
All 576.727 games, Time:3’+3” Minimum 500 games
Pl
Engine
CEDR
Score
Games
(%)
1
Stockfish 20241208
3775.8
343.00
624
54.97
2
Obsidian 13.25 SE
3740.7
295.50
518
57.05
3
Dragon 3.3
3727.0
4875.50
9474
51.46
4
PlentyChess 4.0.1
3727.0
289.00
570
50.70
5
Berserk 20241119
3720.3
1085.50
2088
51.99
6
Alexandria 7.1.0
3716.8
1970.00
3710
53.10
7
Caissa 1.21
3712.4
2071.00
3886
53.29
8
Lc0 0.31.0
3710.5
343.50
654
52.52
9
Lizard 11.2.0
3698.8
350.50
695
50.43
10
RubiChess 20240817
3690.6
2307.00
4470
51.61
11
Ethereal 14.25
3686.8
3492.50
6388
54.67
12
Integral v6
3682.9
694.50
1322
52.53
13
Viridithas 15.0.0
3681.4
1567.00
3191
49.11
14
Motor 0.8.0 JA
3681.3
974.50
1984
49.12
15
Clover 8.1 JA
3680.2
327.50
646
50.70
16
Devre 6.39 JA
3670.6
603.50
1170
51.58
17
Stormphrax 6.0.0
3668.9
795.50
1625
48.95
18
Rebel EAS
3657.0
730.00
1356
53.83
19
Revenge 4.0
3655.4
273.50
545
50.18
20
Titan 1.1.0
3653.4
1641.50
3275
50.12
21
Chess-System-Tal-2
3653.2
3761.50
7237
51.98
22
Uralochka 3.42 dev7
3650.4
606.00
1199
50.54
23
Arasan 25.0
3649.8
493.50
890
55.45
24
Seer 2.8.0
3648.8
1920.00
3646
52.66
25
Starzix 6.0
3641.3
961.00
2250
42.71
26
Akimbo 1.1.0 JA
3641.0
392.00
735
53.33
27
Spaghet BologNNese 1.0
3638.6
584.00
1063
54.94
28
Velvet 8.1.0
3638.3
275.00
616
44.64
29
RofChade 3.1
3634.5
2126.00
4032
52.73
30
Koivisto 9.2
3620.3
2594.00
5278
49.15
31
Igel 3.5.0
3618.2
1014.50
1946
52.13
32
Peacekeeper 3.01
3618.2
783.50
1615
48.51
33
Fire 10
3596.9
302.50
625
48.40
34
Elixir 3.0 JA
3594.1
378.00
535
70.65
35
Altair 7.1.5 JA
3588.1
331.00
685
48.32
36
Quanticade Electra 0.9
3569.2
315.50
553
57.05
37
Slowchess 2.9
3565.9
1797.50
3798
47.33
38
Booot 7.3
3557.2
584.50
1206
48.47
39
Halogen 12.12.3 JA
3546.7
278.50
664
41.94
40
Minic 3.39
3527.1
453.50
1019
44.50
41
Carp 3.0.1
3526.7
1163.00
2223
52.32
42
Fritz 19
3522.4
241.50
612
39.46
43
Tenax 0.9.5
3513.7
233.00
540
43.15
44
Clarity 6.0.0
3509.2
309.50
627
49.36
45
Willow 4.0
3506.6
290.00
671
43.22
46
Texel 1.11
3504.6
481.00
1034
46.52
47
Wasp 7.00
3503.6
479.00
963
49.74
48
Equisetum 1.0
3495.2
317.50
587
54.09
49
Pawn 3.0
3493.8
605.00
1207
50.12
50
Hiarcs 15.5
3487.1
543.50
1014
53.60
51
Rice 8.0.0
3483.5
400.50
874
45.82
52
Nemorino 6.00
3463.2
334.00
689
48.48
53
Komodo 14.1
3460.5
437.00
965
45.28
55
Marvin 6.2.0
3456.4
439.00
691
63.53
56
Pedone 3.1
3454.5
340.50
755
45.10
57
Midnight 9
3450.3
538.00
1039
51.78
58
Smallbrain 7.0
3444.6
282.50
557
50.72
59
Patricia 4.0
3427.2
277.50
792
35.04
60
BlackCore 6.0
3423.8
481.00
1113
43.22
61
Stash 35.26 JA
3413.0
371.00
712
52.11
62
Tucano 11.00.1
3404.0
349.50
640
54.61
63
Counter 5.5
3391.0
305.00
637
47.88
64
Saturn 1.3
3390.9
313.00
560
55.89
65
LTChess 9.3
3389.9
388.00
693
55.99
66
Expositor 4WR02
3387.8
351.00
766
45.82
67
Toga IV 1.1 JA
3378.8
367.50
777
47.30
68
Avalanche 2.1.0
3374.6
305.00
780
39.10
69
StockDory Starfish 0.1
3365.7
246.00
568
43.31
70
Xiphos 0.6.1
3363.0
465.50
976
47.69
71
Pedantic 2.1.0
3357.4
431.50
711
60.69
72
Weiss 2.1
3348.6
316.50
669
47.31
73
Frozenight 6.0.0
3337.4
364.00
645
56.43
74
Zahak 10.0
3333.4
430.50
999
43.09
75
Gogobello 3.0
3331.0
316.50
735
43.06
76
MrBob 1.2.0
3320.3
452.50
723
62.59
77
Nalwald 18
3320.1
551.00
1019
54.07
78
Odonata 1.0.0
3314.0
225.50
516
43.70
79
Defenchess 2.3
3313.9
247.50
533
46.44
80
Little Goliath 3.17
3313.6
379.00
982
38.59
81
Mantissa 3.7.2
3307.0
344.00
626
54.95
82
Kuma 1.2
3300.2
300.00
615
48.78
83
Laser 1.7
3297.0
345.00
688
50.15
84
Combusken 2.0.0
3278.2
370.00
633
58.45
85
Svart 6
3277.1
303.00
720
42.08
86
Deep Shredder 13
3265.2
219.50
512
42.87
87
Jet 1.2
3265.0
309.00
781
39.56
88
Andscacs 0.95092
3263.7
279.00
581
48.02
89
DanaSah 9.1
3257.1
359.00
1024
35.06
90
Demolito 2023-11-04
3247.6
289.50
806
35.92
91
Critter 1.6a
3230.0
3900.00
8662
45.02
92
Flounder 0.5.0.0
3217.9
269.00
501
53.69
93
Nirvanachess 2.5
3217.3
273.00
528
51.70
94
Roc 2.0.0
3215.6
233.50
547
42.69
95
Princhess 0.19.0
3179.1
203.00
646
31.42
96
Mittens 0.9
3175.7
324.00
588
55.10
97
Sting Black Hole 7
3132.2
175.50
570
30.79
98
Ippolit 051323
3123.5
256.50
576
44.53
99
Gargantua 1.0
3122.8
420.00
757
55.48
100
Monolith 2
3100.9
322.00
567
56.79
101
Amoeba 3.4
3096.5
305.50
606
50.41
102
GOOB 1.8.9
3084.4
347.50
798
43.55
103
Protej 20230919a
3082.5
196.50
611
32.16
104
4ku 5.1
3066.1
237.00
573
41.36
105
Polaris 1.8.1
3065.7
364.00
720
50.56
106
Lambergar 0.6.0
3060.2
223.00
766
29.11
107
Ice4 v4
3052.8
282.00
548
51.46
108
Mida 2.1
3041.4
139.50
503
27.73
109
Journeyman 2.1
3027.2
326.00
654
49.85
110
Cadie 1.5
3010.5
248.00
507
48.92
111
The Baron 3.45
2998.4
253.50
578
43.86
112
Vengeance 3.1.0 JA
2995.0
138.50
546
25.37
113
Zangdar 2.19.03
2961.0
202.00
525
38.48
114
Smaug 2.2.1 JA
2926.6
174.00
508
34.25
115
Clovis III
2888.8
302.50
773
39.13
116
Knightx 4.2
2871.1
159.50
529
30.15
117
Ivanhoe 66
2860.9
182.50
567
32.19
118
Delocto 0.61n
2860.0
286.00
515
55.53
119
Apotheosis 4.0.1
2848.6
194.50
550
35.36
120
Rhetoric 1.4.3
2847.2
293.50
603
48.67
121
Coiled 1.2
2839.8
136.00
752
18.09
122
CT800 1.45
2828.8
262.50
922
28.47
123
Colossus 2022a
2826.4
346.00
838
41.29
124
MadChess 3.2 beta
2818.2
302.00
727
41.54
125
Blunder 8.0.0
2805.7
112.00
503
22.27
126
Drosophila 1.6 JA
2773.1
199.50
834
23.92
127
Lishex 1.1.1
2747.0
192.00
677
28.36
128
Mayhem 8.5
2706.3
86.00
563
15.28
129
Catacomb 1
2700.8
207.50
575
36.09
130
Luna 2.0.0
2685.6
152.00
644
23.60
131
Raven 1.30
2681.4
251.50
660
38.11
132
Lux 4.0
2666.0
106.00
501
21.16
133
Hedgehog 2.407
2663.3
107.50
649
16.56
134
Admete 1.5.0
2633.3
192.00
554
34.66
135
Fornax 4.0
2623.3
290.50
753
38.58
136
FoxSEE 8.2
2611.0
195.50
707
27.65
137
Barbarossa 0.6.0
2596.7
218.50
569
38.40
138
Queen 4.05
2596.2
185.00
539
34.32
139
ShenYu 2.0.1
2583.6
178.50
758
23.55
140
Axon 0.3
2447.3
147.00
553
26.58
141
Albatros 1.0.0
2429.9
174.00
527
33.02
142
Halcyon 1
2387.3
147.50
574
25.70
143
Cdrill 2000
2251.4
174.00
970
17.94
144
Adachess 4.0
2217.3
86.00
740
11.62
145
Freda 0.99
2158.3
66.50
605
10.99
146
Kelp 0.12.0
2100.2
65.50
747
8.77
Rating Chess Engines Diary Stockfish and derivatives - 01.02.2025
Rating CEDR Stockfish and clones – 01.02.2025
generated with Ordo 0.9.9 (anchor Critter 1.6a with 3230)
All 576.727 games, Time:3’+3” Minimum 500 games
Pl
Engine
CEDR
Score
Games
(%)
1
Stockfish 20241208
3775.8
343.00
624
54.97
2
JigSaw 5.9
3772.1
1732.00
2824
61.33
3
SpecTral PB 071124
3770.9
921.00
1687
54.59
4
Killfish 021224
3770.9
786.00
1483
53.00
5
Yuliana 6.0
3770.7
1159.50
2121
54.67
6
SF-PRO2 04.12.2024
3770.6
341.00
555
61.44
7
Sailfish 4.0
3770.5
519.00
971
53.45
8
CorChess 20241114
3770.3
674.00
1285
52.45
9
Stockfish 20241122 Ivec
3769.2
346.50
592
58.53
10
Brainlearn 30
3768.2
1945.00
3588
54.21
11
ShashChess 37
3768.1
1788.00
3328
53.73
12
HypnoS 160524
3767.7
514.50
936
54.97
13
Artemis 4TR
3767.5
994.00
1811
54.89
14
PROMENADE
3767.1
310.50
600
51.75
15
Tactical Titan
3767.0
1057.00
2010
52.59
16
Rems Sep24
3767.0
541.00
917
59.00
17
Marauders 4.0
3766.8
1351.00
2605
51.86
18
Deep Blue 20240518
3766.3
1407.50
2689
52.34
19
Private19sf
3766.0
1555.50
2805
55.45
20
Raid 3.6 TR
3765.8
4136.50
7711
53.64
21
Stockfish 17
3765.4
5364.00
9867
54.36
22
Kookaburra 3.00
3765.2
2089.50
3840
54.41
23
Steel Fighter III
3765.1
770.00
1300
59.23
24
Polyfish 221009
3765.1
315.00
520
60.58
25
Fidelio 17
3765.0
640.50
1156
55.41
26
Big Yuli GM 221024
3764.7
2088.50
3795
55.03
27
Dark SisTer PB 071124
3764.7
980.00
1819
53.88
28
SOLIDOR_AI
3764.3
403.50
803
50.25
29
Yuliirma 4.0
3764.0
2104.50
3832
54.92
30
MagicKnight
3763.8
690.50
1225
56.37
31
Eman 10
3762.9
418.00
820
50.98
32
Crystal 8 JA
3762.9
606.00
1065
56.90
33
Killfish 071223
3761.8
560.50
950
59.00
34
Contact 7
3761.7
369.50
631
58.56
35
Cool Iris 13.90
3760.9
710.00
1221
58.15
36
Beast 15 MPV
3760.3
1050.00
1776
59.12
37
Nebula-vortex 1.0
3760.2
330.50
534
61.89
38
RapTora 3.0
3759.3
1018.50
1839
55.38
39
AbbyStein 1.5
3759.1
582.00
857
67.91
40
ProteusSF Piranha 220904
3757.1
920.50
1520
60.56
41
Sun 15 MPV
3756.6
356.00
646
55.11
42
TACTICAL 161223
3756.3
577.00
980
58.88
43
Incognito 5
3755.9
895.00
1581
56.61
44
Patzer AI X-2560
3755.1
326.00
628
51.91
45
Hazard 4.21 DuaL
3755.0
619.00
1147
53.97
46
Fisherov chess monk
3754.9
494.50
812
60.90
47
Deep Ripper -1
3754.2
1012.50
1836
55.15
48
JudaS ++ 5.0
3753.5
452.00
863
52.38
49
Leptir 230124
3753.3
367.50
704
52.20
50
Vanilla 14c
3752.5
697.50
1353
51.55
51
AI 28.0
3752.3
634.00
1057
59.98
52
Solista Attack 2
3751.4
299.50
510
58.73
53
Little Beast 3 sl
3750.8
617.50
1060
58.25
54
XTD 010723
3749.4
300.50
538
55.86
55
SugaR AI SE
3748.3
2113.00
3686
57.33
56
Kayra 1.7
3747.1
1702.50
2835
60.05
57
Predator AI
3745.6
365.50
704
51.92
58
BigBallz 010922
3743.1
460.00
760
60.53
59
Teal Oracle
3742.8
351.00
549
63.93
60
Charisma Diamond
3741.6
351.00
580
60.52
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