Rating

Here is a new CEDR chess engine ranking list. The Chess Engines Diary team has conducted extensive tests, evaluating over 700,000 games. Please note that this database has been "cleaned," and we have excluded games that lasted fewer than 10 moves from the list.

All 705.417 games download

Chess Engines Diary Rating CEDR – 01.08.2025
generated with Ordo 0.9.9 (anchor Critter 1.6a with 3230)
All 705.417 games, Time:3’+3” Minimum 500 games
Pl	Engine	Rating	Score	Games	(%)
1	Stockfish 20241208	3759.6	376.50	678	55.53
2	Obsidian 15.14	3736.1	314.50	554	56.77
3	PlentyChess 6.0.5 JA	3721.5	680.50	1210	56.24
4	Alexandria 8.0.0	3720.4	608.00	1053	57.74
5	Berserk 20250606	3719.5	586.50	1092	53.71
6	Dragon 3.3	3715.4	5614.50	10866	51.67
7	Integral 7 dev-322b JA	3715.3	443.00	689	64.30
8	Caissa 1.22	3711.8	539.50	1042	51.78
9	Lc0 0.31.0	3701.1	343.50	654	52.52
10	RubiChess 20250520	3700.3	358.00	700	51.14
11	Viridithas 18.0.0 JA	3694.8	452.00	756	59.79
12	Horsie 1.0.6 JA	3689.8	1149.00	2203	52.16
13	Motor 0.9.0	3689.3	622.00	1221	50.94
14	Lizard 11.2	3679.2	1195.50	2331	51.29
15	Arasan 25.1	3677.3	256.50	544	47.15
16	Ethereal 14.25	3674.9	3642.00	6681	54.51
17	Starzix 6.1 JA	3673.2	497.00	1009	49.26
18	Fritz 20	3668.5	535.00	1034	51.74
19	Clover 8.2.1	3668.3	429.00	677	63.37
20	Uralochka 3.42 dev13	3662.4	272.50	556	49.01
21	Quanticade Fenrir 1.0 JA	3661.2	288.00	601	47.92
22	Stormphrax 6.0.0	3659.5	1039.50	2106	49.36
23	Devre 6.39 JA	3656.1	693.50	1364	50.84
24	Igel 3.6.0	3651.8	314.50	537	58.57
25	Booot 7.4	3650.6	930.50	1927	48.29
26	Seer 2.8.0 JA	3649.7	480.00	1054	45.54
27	Rebel EAS	3649.3	730.00	1356	53.83
28	Chess-System-Tal-2	3642.3	3955.00	7651	51.69
29	Titan 1.1.0	3640.0	1828.00	3689	49.55
30	Revenge 4.0	3636.9	990.50	2104	47.08
31	Akimbo 1.1.0 JA	3632.3	457.00	863	52.95
32	Velvet 8.1.0	3625.9	275.00	616	44.64
33	RofChade 3.1	3625.6	2193.00	4160	52.72
34	Spaghet BologNNese 1.0	3622.9	634.50	1139	55.71
35	Dragon free	3618.3	988.50	1750	56.49
36	Koivisto 9.2	3612.4	2640.50	5368	49.19
37	Clarity 7.2.0	3611.6	457.50	808	56.62
38	Peacekeeper 3.01	3607.2	799.50	1645	48.60
39	Altair 7.2.1 JA	3593.5	374.00	675	55.41
40	Elixir 3.0 JA	3585.6	442.00	602	73.42
41	Fire 10	3583.7	667.50	1415	47.17
42	Cinder 0.1.4	3575.6	435.50	535	81.40
43	Slowchess 2.9	3560.0	1864.00	3926	47.48
44	Tenax 1.0	3556.0	285.00	550	51.82
45	Black Marlin 9.0	3551.6	423.00	952	44.43
46	Texel 1.13a4 JA	3546.4	235.00	551	42.65
47	Superultra 2.0	3543.2	254.00	506	50.20
48	Halogen 12.12.3 JA	3543.2	351.50	858	40.97
49	Pawn 3.0 JA	3539.0	531.50	998	53.26
50	Minic 3.39	3519.4	453.50	1019	44.50
51	Carp 3.0.1	3517.4	1219.00	2351	51.85
51	Peacekeeper 2.40	3508.5	294.50	626	47.04
53	Willow 4.0.0	3498.8	319.00	731	43.64
54	Wasp 7.00	3489.4	489.00	993	49.24
55	Equisetum 1.0	3485.2	317.50	587	54.09
56	Hiarcs 15.5	3481.5	574.00	1074	53.45
57	Rice 8.0.0	3474.8	460.50	1010	45.59
58	Komodo 14.1	3456.9	502.00	1101	45.59
59	Marvin 6.2.0	3454.8	439.00	691	63.53
60	Nemorino 6.00	3448.9	467.50	966	48.40
61	Pedone 3.1	3445.0	403.50	891	45.29
62	Midnight 9	3442.2	538.00	1039	51.78
63	Weiss 2.1 JA	3440.2	320.50	544	58.92
64	Smallbrain 7.0	3438.2	282.50	557	50.72
65	Patricia 4.0 JA	3435.8	235.50	699	33.69
66	BlackCore 6.0	3419.0	544.50	1249	43.59
67	Saturn 1.3 JA	3416.9	205.50	519	39.60
68	Tucano 11.00.1	3405.0	349.50	640	54.61
69	Stash 35.26 JA	3396.2	397.00	780	50.90
70	Counter 5.5	3390.3	366.00	773	47.35
71	Expositor 4WR02	3378.0	354.50	773	45.86
72	Avalanche 2.1.0	3369.8	342.50	870	39.37
73	Toga IV 1.1 JA	3369.1	386.50	822	47.02
74	LTChess 9.3	3365.1	396.50	721	54.99
75	StockDory Starfish 0.1	3360.5	258.50	590	43.81
76	Xiphos 0.6.1	3358.4	468.00	981	47.71
77	Pedantic 2.1.0	3353.3	464.50	783	59.32
78	Frozenight 6.0.0	3330.9	383.00	693	55.27
79	Zahak 10.0	3327.6	430.50	999	43.09
80	Gogobello 3.0	3324.2	316.50	735	43.06
81	MrBob 1.2.0	3319.2	452.50	723	62.59
82	Nalwald 18	3316.5	551.00	1019	54.07
83	Little Goliath 3.17	3307.8	390.00	1004	38.84
84	Defenchess 2.3	3307.7	247.50	533	46.44
85	Odonata 1.0.0	3303.5	243.50	557	43.72
86	Mantissa 3.7.2	3301.8	344.00	626	54.95
87	Kuma 1.2	3295.1	311.50	640	48.67
88	Laser 1.7	3293.3	345.00	688	50.15
89	Combusken 2.0.0	3275.3	370.00	633	58.45
90	Svart 6	3271.7	303.00	720	42.08
91	Deep Shredder 13	3262.1	238.00	577	41.25
92	Andscacs 0.95092	3259.9	279.00	581	48.02
93	Jet 1.2	3252.4	320.50	807	39.71
94	DanaSah 9.1	3251.1	369.00	1049	35.18
95	Protej 20250308a	3247.8	277.00	537	51.58
96	Demolito 2023-11-04	3242.2	289.50	806	35.92
97	Critter 1.6a	3230.0	4889.50	11320	43.19
98	Flounder 0.5.0.0	3219.3	269.00	501	53.69
99	Roc 2.0.0	3214.3	233.50	547	42.69
100	Nirvanachess 2.5	3213.7	273.00	528	51.70
101	Aku 4.7.0	3179.7	99.50	583	17.07
102	Mittens 0.9	3176.5	336.00	613	54.81
103	Princhess 0.19.0	3172.7	205.00	653	31.39
104	Wahoo 4.0.0	3129.9	248.50	527	47.15
105	Sting Black Hole 7	3128.2	175.50	570	30.79
106	Ippolit 051323	3122.4	256.50	576	44.53
107	Gargantua 1.0	3122.1	420.00	757	55.48
108	Monolith 2	3103.8	322.00	567	56.79
109	Amoeba 3.4	3096.0	305.50	606	50.41
110	GOOB 1.8.9	3084.6	348.50	801	43.51
111	4ku 5.1	3079.6	252.00	602	41.86
112	Polaris 1.8.1	3063.9	373.50	744	50.20
113	Lambergar 0.6.0	3057.9	223.00	766	29.11
114	Ice4 v4	3051.1	282.00	548	51.46
115	Mida 2.1	3038.1	139.50	503	27.73
116	Journeyman 2.1	3027.7	326.00	654	49.85
117	Cadie 1.5	3013.5	248.00	507	48.92
118	The Baron 3.45	3007.8	282.50	644	43.87
119	Vengeance 3.1.0 JA	2988.5	146.50	570	25.70
120	Ceibo 1.0	2980.9	215.50	506	42.59
121	Zangdar 2.19.03	2962.9	202.00	525	38.48
122	Potential 2.0.0 JA	2942.5	127.50	508	25.10
123	Smaug 2.2.1 JA	2926.5	186.50	532	35.06
124	Shallow 5	2910.3	185.00	520	35.58
125	Knightx 4.2	2889.0	171.50	551	31.13
126	Clovis III	2879.1	333.50	836	39.89
127	Delocto 0.61n	2870.8	286.00	515	55.53
128	Ivanhoe 66	2870.2	193.50	593	32.63
129	Rhetoric 1.4.3	2868.9	316.00	759	41.63
130	Apotheosis 4.0.1	2851.4	204.00	574	35.54
131	Coiled 1.2	2842.3	136.00	752	18.09
132	CT800 1.46	2839.9	235.00	717	32.78
133	Colossus 2022a	2830.3	346.00	838	41.29
134	MadChess 3.2 beta	2820.9	302.00	727	41.54
135	Blunder 8.0.0	2807.1	112.00	503	22.27
136	Drosophila 1.6 JA	2787.4	243.00	894	27.18
138	Devel 4.0.2.3	2787.2	282.00	625	45.12
139	Lishex 1.1.1	2755.7	200.50	701	28.60
140	Mayhem 8.5	2735.1	99.00	588	16.84
141	Catacomb 1	2704.7	218.00	599	36.39
142	Luna 2.0.0	2689.5	162.50	673	24.15
143	Raven 1.30	2682.9	263.50	686	38.41
144	Hedgehog 2.407	2674.7	107.50	649	16.56
145	Lux 4.0	2672.9	106.00	501	21.16
146	Admete 1.5.0	2640.2	192.00	554	34.66
147	Fornax 4.0	2628.8	290.50	753	38.58
148	FoxSEE 8.2	2615.9	195.50	707	27.65
149	Tunguska 1.1 JA	2611.9	32.00	538	5.95
150	ShenYu 2.0.1	2604.3	211.00	820	25.73
151	Barbarossa 0.6.0	2603.9	218.50	569	38.40
152	Queen 4.05	2602.7	193.00	562	34.34
153	Zagreus 5.0	2452.7	117.00	544	21.51
154	Albatros 1.0.0	2451.7	183.00	551	33.21
155	Axon 0.3	2429.2	159.50	611	26.10
156	Halcyon 1	2403.9	155.50	601	25.87
157	Peripheral 1.1.3	2309.7	111.50	507	21.99
158	Cdrill 2000	2264.0	174.00	970	17.94
159	Adachess 4.0	2253.4	103.00	777	13.26
160	Freda 0.99	2177.9	66.50	605	10.99
161	Kelp 0.12.0	2112.4	65.50	747	8.77

Rating CEDR, Stockfish and derivatives – 01.08.2025
generated with Ordo 0.9.9 (anchor Critter 1.6a with 3230)
All 705.417 games, Time:3’+3” Minimum 500 games
Pl	Engine	Rating	Score	Games	(%)
1	JigSaw 5.9	3760.3	1732.00	2824	61.33
2	Stockfish 20241208	3759.6	376.50	678	55.53
3	Polyfish 221009	3758.4	315.00	520	60.58
4	SpecTral PB 071124	3758.0	921.00	1687	54.59
5	SF PB 120624	3758.0	299.00	509	58.74
6	CorChess 20240927	3757.8	685.50	1200	57.13
7	SF-PRO2 04.12.2024	3757.8	341.00	555	61.44
8	Dark SisTer 4	3757.3	304.00	503	60.44
9	Killfish 021224	3757.0	786.00	1483	53.00
10	Stockfish 20241122 Ivec	3756.6	346.50	592	58.53
11	BrainLearn 29	3756.5	625.00	1126	55.51
12	HypnoS 160524	3756.4	514.50	936	54.97
13	Sailfish 4.0	3756.3	534.00	1001	53.35
14	Yuliana 5.50	3755.7	1852.00	3267	56.69
15	Tactical Titan	3755.3	1057.00	2010	52.59
16	ShashChess 37	3754.8	1788.00	3328	53.73
17	Rems Sep24	3754.7	541.00	917	59.00
18	Deep Blue 20240518	3754.4	1407.50	2689	52.34
19	Artemis 4TR	3754.1	994.00	1811	54.89
20	Marauders 3.9	3753.8	722.50	1282	56.36
21	Raid 3.6 TR	3753.7	4136.50	7711	53.64

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