CCRL 40/15
Downloads and Statistics
March 6, 2021
Testing summary:
Total: 1'223'030 games
played by 2'799 programs

White wins: 420'040 (34.3%)
Black wins: 308'879 (25.3%)
Draws: 494'111 (40.4%)
White score: 54.5%

Rating list

CCRL 40/15 Rating List — All engines (best versions only) (Quote)

Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Computed on March 6, 2021 with Bayeselo based on 1'223'030 games
Please refer to the "about" page for comments on engine inclusion

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 200 games or more. Normal font - less than 200 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Stockfish 13 64-bit 4CPU3557+30−2973.1%−151.653.9%360 
92.9%
2Fat Fritz 2 (in SF) 64-bit 4CPU3532+21−2170.5%−131.856.6%680
98.5%
3Dragon by Komodo 64-bit 4CPU3502+17−1766.0%−99.260.5%991
100.0%
4SlowChess Blitz 2.5 64-bit 4CPU3402+21−2146.5%+20.464.5%637
58.9%
5Houdini 6 64-bit 4CPU3399+10−1058.2%−51.562.2%2944
66.1%
6‑7Ethereal 12.75 64-bit 4CPU3395+17−1747.8%+15.265.9%982
50.6%
6‑7Fire 8 64-bit 4CPU3395+21−2146.1%+26.263.1%634
76.0%
8Nemorino 6.00 64-bit 4CPU3385+18−1848.9%+2.562.0%855
94.1%
9Igel 2.9.0 64-bit 4CPU3366+17−1749.6%+3.860.5%936
86.1%
10RubiChess 2.0 64-bit 4CPU3347+30−3137.9%+74.666.3%294
80.2%
11Xiphos 0.6 64-bit 4CPU3333+14−1440.4%+61.461.5%1516
97.6%
12RofChade 2.3 64-bit 4CPU3313+15−1538.2%+73.161.5%1226
50.4%
13Pedone 3.0 64-bit 4CPU3312+21−2133.7%+104.656.3%666
82.0%
14Booot 6.4 64-bit 4CPU3300+15−1636.6%+84.559.7%1229
90.7%
15Laser 1.7 64-bit 4CPU3287+13−1340.7%+58.661.1%1705
84.9%
16‑17Deep Shredder 13 64-bit 4CPU3278+10−1045.2%+29.562.1%2939
48.9%
16‑17Defenchess 2.2 64-bit 4CPU3278+15−1539.9%+63.459.6%1307
75.1%
18Fizbo 2 64-bit 4CPU3272+12−1243.3%+41.554.9%2131
70.0%
19Schooner 2.2 64-bit 4CPU3264+26−2645.6%+28.260.7%420
55.7%
20Andscacs 0.95 64-bit 4CPU3262+17−1842.3%+47.459.4%945
99.8%
21Arasan 21.4 64-bit 4CPU3217+25−2545.0%+25.955.6%464
97.5%
22Chiron 4 64-bit 4CPU3189+12−1241.6%+57.052.4%2338
64.5%
23Vajolet2 2.7 64-bit 4CPU3183+25−2552.3%−13.655.8%459
60.6%
24Gull 3 64-bit 4CPU3180+9−942.5%+48.054.2%3783
53.0%
25NirvanaChess 2.4 64-bit 4CPU3179+13−1341.7%+55.854.2%1828
77.8%
26Equinox 3.20 64-bit 4CPU3173+11−1142.2%+50.159.0%2671
65.0%
27ChessBrainVB 3.72 4CPU3166+30−3045.0%+30.851.3%320
63.7%
28Wasp 4.50 64-bit3159+26−2654.9%−32.652.8%449
51.8%
29Critter 1.6a 64-bit 4CPU3158+8−845.3%+32.054.6%5429
68.9%
30Hannibal 1.7 64-bit 4CPU3154+14−1442.3%+48.054.5%1577
74.4%
31Bouquet 1.8 64-bit 4CPU3148+11−1143.6%+41.556.7%2427
60.4%
32Rybka 4 64-bit 4CPU3146+10−1048.7%+7.851.0%3180
56.6%
33Lc0 0.24.0 w591226 64-bit3143+33−3349.8%−2.953.4%268
56.4%
34Texel 1.07 64-bit 4CPU3140+14−1449.5%+5.649.2%1620
58.8%
35Protector 1.9.0 64-bit 4CPU3138+15−1546.4%+24.753.9%1338
56.5%
36Alfil 15.7 64-bit 4CPU3136+17−1742.9%+48.356.3%1006
77.3%
37Winter 0.9 64-bit3126+18−1848.6%+7.450.3%898
63.0%
38‑39BlackMamba 2.0 64-bit 4CPU3122+15−1544.2%+37.754.3%1408
49.9%
38‑39iCE 4.0 64-bit 4CPU3122+27−2747.9%+10.252.3%400
52.6%
40Orion 0.8 64-bit3121+22−2248.4%+6.654.3%602
72.0%
41Combusken 1.4.0 64-bit3112+21−2148.6%+9.553.6%647
54.9%
42Halogen 9 64-bit3110+22−2248.2%+10.052.8%583
57.0%
43Senpai 2.0 64-bit 4CPU3108+19−1951.5%−12.148.7%816
56.3%
44Marvin 5.0.0 64-bit3105+24−2452.2%−13.354.8%484
57.1%
45Strelka 5.5 64-bit3103+6−645.6%+31.548.1%9977
63.2%
46Beef 0.3.6 64-bit3098+27−2745.8%+25.650.2%402
58.6%
47Naum 4.6 64-bit 4CPU3094+14−1448.1%+12.054.3%1544
66.9%
48Demolito 2020-05-14 64-bit3089+19−1951.4%−11.350.8%811
81.1%
49chess22k 1.14 64-bit3078+17−1750.3%−2.853.6%1068
61.4%
50Amoeba 3.1 64-bit 4CPU3072+34−3442.1%+48.449.6%254
55.5%
51‑52Koivisto 4.0 64-bit3069+21−2149.5%+3.049.7%654
49.4%
51‑52Rodent III 0.238 64-bit 4CPU3069+20−2047.2%+15.150.0%742
69.2%
53Topple 0.7.5 64-bit 4CPU3060+29−2953.2%−19.745.3%360
58.5%
54Seer 1.2.1 64-bit3056+24−2453.1%−24.148.1%543
55.2%
55Minic 2.46 64-bit3054+22−2251.9%−14.344.7%622
51.7%
56Hiarcs 14 4CPU3053+13−1342.8%+43.751.2%1894
99.5%
57Deep Junior 13 64-bit 4CPU3026+16−1643.5%+41.149.9%1161
53.4%
58‑60Bobcat 8.0 64-bit 4CPU3025+21−2148.3%+11.353.5%636
51.0%
58‑60Pirarucu 2.7.4 64-bit 4CPU3025+20−2053.6%−27.547.6%735
47.9%
58‑60SmarThink 1.98 64-bit3025+13−1349.6%−0.141.8%2003
86.8%
61Spike 1.4 Leiden 4CPU3016+11−1145.2%+28.947.7%2862
59.3%
62Crafty 25.2 64-bit 4CPU3013+16−1648.5%+9.442.5%1279
64.6%
63Cheng 4.39 64-bit 4CPU3009+15−1549.4%+4.248.6%1333
65.4%
64Monolith 2 64-bit3004+17−1748.9%+5.650.5%1071
68.3%
65Hakkapeliitta TCEC v2 64-bit2999+13−1349.7%−4.242.5%1988
60.6%
66Bagatur 2.2 64-bit2996+18−1850.0%+0.247.9%949
64.4%
67Stash 27.0 64-bit2990+29−2949.7%+1.044.4%360
58.2%
68FabChess 1.16 64-bit2986+20−2056.7%−47.543.4%846
56.5%
69Scorpio 2.8 64-bit 4CPU2983+25−2548.8%+7.146.3%492
53.1%
70Weiss 1.2 64-bit2982+17−1755.8%−43.940.0%1128
52.7%
71Deuterium 2019.2.37.73 64-bit2981+15−1548.1%+10.548.8%1285
55.0%
72Godel 7.0 64-bit2980+17−1748.6%+5.441.3%1090
75.4%
73EXchess 7.97b 64-bit 4CPU2971+18−1847.4%+18.345.9%1017
58.0%
74‑75Spark 1.0 64-bit 4CPU2968+13−1345.0%+32.646.6%1787
51.8%
74‑75Zappa Mexico II 64-bit 4CPU2968+10−1048.3%+9.348.1%3270
61.0%
76Counter 3.7 64-bit2963+34−3452.0%−12.954.1%244
61.7%
77Toga II 4.0 64-bit 4CPU2957+19−1941.4%+56.840.4%958
88.7%
78Gaviota 1.0 64-bit 4CPU2942+16−1647.3%+15.945.4%1256
55.5%
79‑80Deep Sjeng c't 20102940+10−1046.4%+23.346.0%3404
49.7%
79‑80Tucano 7.07 64-bit 4CPU2940+33−3351.5%−9.644.7%291
53.5%
81The Baron 3.44 64-bit 4CPU2939+28−2846.8%+20.245.3%402
53.6%
82Francesca MAD 0.30a 64-bit2937+29−2945.6%+25.747.6%353
57.9%
83Onno 1.2.70 64-bit 4CPU2933+19−1947.3%+16.448.3%810
69.4%
84Thinker 5.4d Inert 64-bit 4CPU2925+23−2346.0%+24.549.7%587
73.3%
85Dirty CUCUMBER 64-bit2917+12−1250.0%−1.144.0%2244
59.1%
86DisasterArea 1.65 64-bit 4CPU2914+21−2144.2%+36.346.1%709
55.6%
87Gogobello 2.0 64-bit 4CPU2912+25−2550.8%−7.139.1%522
56.6%
88Asymptote 0.8 64-bit2909+19−1946.5%+21.442.5%854
65.6%
89Quazar 0.4 64-bit2905+10−1048.2%+10.343.5%3200
70.5%
90DiscoCheck 5.2 64-bit2899+18−1748.4%+9.243.4%1032
53.9%
91Atlas 3.91 64-bit2898+13−1349.7%−2.139.6%1956
59.6%
92‑94Bright 0.4a 4CPU2895+15−1547.4%+17.441.1%1495
52.6%
92‑94Glaurung 2.2 64-bit 4CPU2895+16−1647.0%+18.940.7%1259
48.9%
92‑94Tornado 6.0 64-bit 4CPU2895+26−2645.5%+27.743.3%469
67.7%
95Octochess r5506 64-bit 4CPU2887+21−2144.5%+36.046.7%715
56.1%
96MinkoChess 1.3 64-bit 4CPU2885+21−2146.0%+24.543.7%725
67.7%
97Invictus r305 64-bit2878+17−1749.2%+5.542.6%1056
99.7%
98Loop M1-T 64-bit 4CPU2848+11−1243.2%+43.545.2%2447
57.0%
99Nemo 1.0.1 64-bit2847+12−1248.1%+11.742.9%2368
61.6%
100Shield 2.1 64-bit 4CPU2843+24−2448.7%+9.536.0%594
51.1%
101Cheese 2.0 64-bit 4CPU2842+30−3045.8%+26.639.2%355
57.5%
102Mr Bob 0.9.0 64-bit2838+23−2351.9%−16.137.5%616
53.1%
103BugChess2 1.9 64-bit 4CPU2837+21−2143.4%+44.738.2%738
71.3%
104Zurichess Neuchatel 64-bit2830+12−1247.6%+13.943.0%2194
78.2%
105Murka 3 64-bit2823+12−1248.1%+11.143.8%2150
67.3%
106tomitankChess 4.0 64-bit2818+22−2249.6%−0.245.3%667
56.3%
107Jonny 4.00 4CPU2815+25−2543.6%+42.335.0%540
55.4%
108GNU Chess 5.60 64-bit2813+16−1648.6%+7.441.8%1235
79.0%
109OliThink 5.9.2 64-bit2800+27−2752.9%−24.034.2%444
63.5%
110GnuCheese 1.00 64-bit2794+16−1649.1%+3.840.5%1313
53.5%
111Rhetoric 1.4.3 64-bit2793+12−1249.1%+3.040.1%2319
54.8%
112RuyDos 1.1.9 64-bit2792+15−1548.5%+8.137.5%1620
90.5%
113Pawny 1.2 64-bit2779+13−1348.1%+11.239.8%1858
66.8%
114Naraku 1.42774+16−1648.4%+11.326.2%1468
56.1%
115Frenzee 3.5.19 64-bit2773+14−1448.1%+10.834.5%1759
58.1%
116Twisted Logic 20100131x 64-bit2771+16−1649.3%+2.235.1%1359
92.3%
117Bison 9.11 64-bit2756+13−1349.5%+0.935.5%2051
65.2%
118Ktulu 92752+12−1246.6%+22.239.2%2280
58.6%
119Fridolin 3.10 64-bit 4CPU2748+33−3349.5%−0.031.5%308
56.1%
120Devel 3.2.92745+24−2447.1%+17.636.9%566
63.4%
121Chronos 1.9.9 32-bit2740+17−1750.3%−0.743.2%1182
59.6%
122Carballo 1.7 64-bit2737+14−1449.2%+5.440.1%1692
67.6%
123Arminius 2018-12-23 64-bit2733+12−1249.5%+1.934.1%2316
71.6%
124Nebula 2.0 64-bit 4CPU2726+20−2045.1%+35.334.1%866
64.4%
125ProDeo 2.22721+17−1748.0%+11.236.9%1221
58.0%
126GreKo 2018.12 64-bit2718+24−2448.0%+11.545.5%527
84.2%
127Chess Tiger 2007.12704+10−1046.5%+22.942.8%3286
57.1%
128Chessmaster 11 Archangel2702+19−1946.7%+21.739.3%862
62.6%
129ECE 20.1 64-bit2697+21−2149.5%+4.427.6%774
52.7%
130DanaSah 8.32696+19−1948.0%+10.838.5%932
54.6%
131K2 0.992694+24−2441.6%+57.535.0%565
64.2%
132Delfi 5.42689+12−1248.2%+11.739.8%2606
58.5%
133Velvet 1.1.0 64-bit2686+27−2747.4%+18.131.2%468
51.5%
134Hamsters 0.7.1 4CPU2685+32−3252.4%−13.936.2%318
54.2%
135‑136RedQueen 1.1.98 64-bit 4CPU2683+27−2739.4%+80.628.5%494
50.9%
135‑136WyldChess 1.51 64-bit2683+15−1547.6%+12.234.1%1503
57.6%
137Daydreamer 1.75 64-bit2681+16−1648.5%+9.840.0%1235
68.2%
138Pharaon 3.5.1 4CPU2673+26−2643.6%+41.429.7%518
55.5%
139Shallow 2020-09-09 64-bit2670+26−2654.0%−24.738.2%495
56.4%
140Djinn 1.021 64-bit2668+13−1348.4%+9.836.7%1975
52.7%
141Jellyfish 1.1 64-bit 4CPU2667+29−2953.3%−25.432.3%403
50.9%
142Movei 00.8.438 (10 10 10)2666+11−1147.5%+15.036.9%2873
76.5%
143Alaric 7072661+12−1149.3%+3.534.2%2695
55.9%
144Drosophila 1.6 64-bit2659+22−2248.8%+10.135.4%707
52.2%
145Floyd 0.9 64-bit2658+14−1449.2%+5.629.1%1726
64.9%
146‑147Ghost 3.1 64-bit 4CPU2651+30−3053.9%−25.328.5%393
51.2%
146‑147Philou 3.7.1 64-bit2651+13−1348.3%+10.336.9%1942
55.2%
148E.T. Chess 13.01.082650+13−1349.1%+5.336.3%1930
52.1%
149Cyrano 0.6b17 64-bit2649+21−2148.3%+9.536.4%756
52.0%
150Rotor 0.7a2648+21−2150.4%−4.135.9%736
60.2%
151Gandalf 7 64-bit2645+18−1848.4%+8.232.5%1094
56.3%
152Colossus 2008b2643+12−1248.9%+5.238.7%2188
84.6%
153Sjakk 2.2 64-bit2633+15−1549.2%+4.038.7%1425
53.8%
154Nawito 19062631+20−2050.2%−0.235.4%827
57.7%
155WildCat 82629+13−1348.6%+8.634.2%2015
53.9%
156Rodin 8.02628+15−1549.1%+4.138.4%1475
56.2%
157Delocto 0.61n 64-bit2626+23−2350.3%−3.640.5%598
56.6%
158Ruffian 2.1.02624+13−1348.7%+7.637.6%2061
51.2%
159NoraGrace 2.0 64-bit2623+15−1550.3%−3.927.9%1545
61.1%
160Caligula 0.9g2620+21−2153.6%−28.430.2%796
52.0%
161Phalanx XXV2619+15−1549.6%+2.332.3%1501
75.3%
162Sloppy 0.2.2 64-bit2611+16−1648.4%+7.832.9%1310
52.9%
163Betsabe II 20202610+28−2850.1%−1.832.9%428
59.8%
164Donna 4.0 64-bit2606+15−1550.2%−2.036.3%1432
51.6%
165KnightX 2.4 64-bit2605+29−2953.3%−23.034.2%398
67.7%
166Glass 2.0 64-bit2598+13−1348.5%+10.532.9%1933
55.5%
167Aristarch 4.502597+12−1248.5%+11.032.0%2606
50.7%
168Muse 0.953 64-bit2596+16−1648.9%+6.034.7%1310
56.6%
169N2 0.4 64-bit2594+16−1649.8%+1.435.7%1374
60.4%
170‑171Petir 4.392591+19−1948.6%+6.937.8%904
51.3%
170‑171Pseudo 0.7c2591+13−1349.8%+1.337.7%1994
52.7%
172‑173Amyan 1.722590+12−1250.0%−0.031.8%2383
50.4%
172‑173CuckooChess 1.12 32-bit2590+25−2548.8%+8.829.7%539
51.7%
174Galjoen 0.40 64-bit2589+20−2050.6%−6.133.3%846
53.0%
175Brutus 8.05 64-bit2588+21−2148.8%+7.034.8%787
53.1%
176Drofa 2.1.0 64-bit2587+30−3052.8%−22.128.4%388
54.2%
177‑178Coiled 0.6 64-bit2585+12−1250.3%−1.934.1%2439
48.3%
177‑178GarboChess 3.0 64-bit2585+16−1649.4%+3.032.1%1362
61.4%
179Dimitri 4.992582+20−2050.9%−6.730.0%882
82.4%
180Capivara LK 0.09b02f 64-bit2569+17−1749.8%+1.133.2%1240
69.1%
181SOS 5.12564+13−1348.2%+11.334.5%2110
63.1%
182Jumbo 0.6.107 64-bit2560+18−1851.4%−9.828.1%1044
55.5%
183JikChess 0.02 64-bit2559+15−1649.5%+1.428.1%1477
53.6%
184‑185Detroid 1.0.1 64-bit2558+18−1851.2%−11.629.3%1075
48.2%
184‑185Dorky 4.8 64-bit2558+14−1450.1%+0.431.3%1809
56.6%
186Anaconda 2.0.12555+27−2747.9%+12.535.2%458
52.2%
187‑188Delphil 3.2 64-bit 4CPU2554+31−3138.2%+85.730.5%374
50.4%
187‑188Jazz 840 64-bit 4CPU2554+20−2057.8%−63.825.3%1000
53.6%
189Raven 1.0 64-bit2553+23−2351.3%−10.534.0%636
69.0%
190nanoSzachy 4.0 64-bit2545+17−1849.5%+3.531.5%1127
56.5%
191Ufim 8.022544+12−1249.6%+0.631.0%2576
58.2%
192Supernova 2.2.1 64-bit2540+29−2951.1%−8.627.5%404
53.1%
193‑194AnMon 5.752539+15−1549.0%+7.030.7%1534
48.2%
193‑194FrankWalter 2.4.0 64-bit2539+16−1649.7%+2.529.9%1309
59.4%
195Maverick 1.5 64-bit2537+14−1450.4%−4.929.8%1919
66.2%
196Nemeton 1.8 4CPU2530+27−2749.9%+1.927.2%496
53.2%
197‑198Axolotl 1.9 64-bit2529+19−1949.7%−0.732.0%960
49.2%
197‑198Hermann 2.8 64-bit2529+16−1648.8%+9.026.3%1342
89.7%
199CyberPagno 3.0 64-bit2515+14−1449.6%−0.231.0%1867
54.0%
200Nimzo 82514+27−2845.5%+32.832.2%453
63.9%
201Little Goliath Evolution 3.122508+18−1846.3%+24.633.6%1025
66.2%
202Tao 5.62503+16−1648.5%+10.827.4%1445
58.1%
203Pupsi2 0.092500+17−1749.0%+6.629.3%1286
58.6%
204LittleThought 1.052 64-bit2498+16−1647.9%+13.325.9%1420
57.2%
205Pepito 1.59.2 64-bit2496+17−1748.3%+11.034.5%1203
57.0%
206MadChess 2.2 64-bit2494+15−1548.4%+10.831.7%1638
60.3%
207Green Light Chess 3.01.2.22490+24−2448.1%+11.731.0%596
54.9%
208Yace 0.99.872488+16−1648.5%+11.728.6%1291
56.8%
209Trace 1.362486+20−2049.4%+3.226.9%903
55.1%
210‑211Myrddin 0.87 64-bit 4CPU2483+35−3538.9%+80.928.4%296
49.2%
210‑211Xpdnt 0910072483+15−1548.3%+11.231.3%1588
58.1%
212Cerebro 3.03d2481+17−1749.0%+5.729.1%1241
56.0%
213‑214Bruja 1.9.1 64-bit2479+17−1848.8%+9.026.3%1163
49.6%
213‑214Matacz 1.42479+16−1649.5%+3.132.8%1294
52.2%
215pikoSzachy 4.12478+29−2952.3%−15.330.8%412
54.0%
216SpiderChess 0706032477+20−2048.3%+13.238.9%809
53.4%
217Anatoli 0.35k2475+16−1649.0%+6.231.6%1382
54.3%
218BBChess 1.3b2474+23−2349.2%+5.837.9%589
53.9%
219Lozza 1.18 64-bit2473+15−1548.3%+12.233.2%1489
60.5%
220Quark 2.352469+18−1748.4%+11.228.6%1147
58.3%
221Bumblebee 1.0 64-bit2467+21−2148.1%+10.233.7%778
60.7%
222Giraffe 20150908 64-bit2463+19−1848.9%+7.324.1%1064
91.1%
223‑226Abrok 5.02445+18−1848.3%+10.629.5%1129
52.1%
223‑226Hussar 0.42445+17−1748.3%+11.330.2%1267
50.1%
223‑226Mephisto Gideon Professional2445+23−2347.7%+16.232.8%635
49.6%
223‑226Typhoon 1.00-3482445+30−3048.5%+11.527.2%401
56.5%
227Eeyore 1.52 64-bit2442+17−1748.0%+12.728.0%1225
53.3%
228Bearded N44.5 64-bit2441+20−2048.8%+7.029.9%881
51.8%
229Teki 2 64-bit2440+16−1649.2%+5.522.9%1443
54.3%
230‑231Taltos rev118 64-bit2439+18−1851.1%−8.426.3%1092
48.5%
230‑231Tunguska 1.1 64-bit2439+18−1850.0%−0.530.0%1051
53.5%
232‑233King of Kings 2.562438+21−2150.0%−0.724.6%846
51.0%
232‑233Snitch 1.6.2 32-bit2438+22−2248.4%+8.428.0%706
58.0%
234TJchess 1.3 64-bit2435+17−1748.6%+9.829.7%1184
62.8%
235Homer 2.012430+21−2049.1%+6.032.6%803
62.1%
236NoC 4.20 64-bit2426+23−2349.4%+2.721.5%688
58.4%
237Cmcchess 2.6 64-bit2422+17−1748.5%+10.036.3%1135
53.4%
238‑239Ares 1.005.2.1 64-bit2421+21−2151.0%−6.937.1%765
50.0%
238‑239Kiwi 0.6d 32-bit2421+19−1948.4%+9.627.0%981
52.1%
240Bitfoot 1.0.d9aeb43 64-bit2420+25−2548.8%+9.226.3%563
55.3%
241PostModernist 10162418+18−1848.0%+11.829.8%1100
54.7%
242Gaia 3.5 64-bit2417+21−2149.3%+3.624.9%849
55.5%
243RomiChess P3n 64-bit2415+13−1348.6%+9.834.0%1969
54.5%
244‑245Hedgehog 2.0 64-bit2413+31−3153.2%−25.729.5%359
48.9%
244‑245Ifrit m1.8 64-bit2413+18−1848.8%+10.428.6%1151
54.4%
246Diablo 0.5.12412+18−1848.6%+9.632.3%1088
53.7%
247Jonesy 1.0 64-bit2411+21−2149.4%+2.729.9%810
53.3%
248Queen 4.032410+18−1848.4%+8.834.5%1080
61.8%
249Dragon 4.62406+17−1747.7%+15.432.5%1155
56.6%
250‑251Amy 0.87b2403+24−2449.4%+7.125.7%610
51.5%
250‑251Gosu 0.162403+18−1850.1%−2.627.5%1097
53.4%
252‑253Simplex 0.9.8 64-bit2402+17−1747.8%+15.024.7%1318
49.3%
252‑253Tigran 2.4n 64-bit2402+17−1749.3%+4.029.6%1263
59.6%
254KnightDreamer 3.32398+26−2649.0%+11.230.8%509
51.5%
255‑256Patzer 3.802397+19−1948.1%+15.424.9%1019
51.7%
255‑256Popochin 4.1 64-bit2397+16−1650.6%−3.629.4%1352
54.1%
257Amateur 2.822396+19−1949.2%+3.724.6%983
54.6%
258Alex 2.14a 64-bit2394+18−1849.2%+5.129.9%1051
52.6%
259CT800 1.40 64-bit2393+28−2847.9%+14.428.0%446
54.4%
260‑261Waxman 20142391+20−2048.5%+10.131.6%838
49.6%
260‑261Zevra 2.1.2 r248 64-bit2391+19−1950.1%−0.326.8%945
57.1%
262Sorgenkind 0.42389+15−1450.9%−5.327.7%1724
55.4%
263Sage 3.532387+18−1849.9%+1.227.3%1134
54.5%
264Horizon 4.42386+17−1749.0%+7.325.5%1294
54.2%
265‑266Comet B682385+19−1848.3%+12.025.9%1057
48.9%
265‑266Googleplex Starthinker 1.6 64-bit2385+18−1848.8%+8.427.5%1073
54.2%
267‑268Thor's Hammer 2.28 32-bit2384+22−2249.0%+6.428.8%730
47.6%
267‑268Tytan 9.32384+22−2251.4%−10.425.5%737
52.4%
269Isa 2.0.83 64-bit2383+24−2452.4%−18.625.8%636
90.3%
270Plisk 0.2.7d 64-bit2363+19−1949.0%+7.227.2%1017
64.3%
271Flux 2.2.12358+21−2151.2%−9.330.1%823
58.6%
272Barbarossa 0.6.0 64-bit2354+25−2549.6%+3.027.1%560
54.3%
273Ceibo 0.5 64-bit2353+25−2544.4%+38.823.8%584
74.7%
274Arion 1.72342+18−1848.8%+7.826.8%1081
60.3%
275Napoleon 1.8 64-bit2339+17−1751.0%−8.230.6%1242
51.3%
276Aice 0.99.22338+17−1749.4%+3.627.3%1201
53.3%
277Gibbon 2.60a 64-bit2337+20−2048.4%+9.631.0%833
52.8%
278EveAnn 1.712336+28−2848.4%+12.233.4%416
51.1%
279Butcher 1.61 64-bit2335+30−3048.7%+10.925.2%393
56.6%
280Asterisk 0.62332+17−1847.8%+16.127.0%1161
60.7%
281‑282Amundsen 0.802329+17−1749.1%+6.929.2%1269
48.6%
281‑282FireFly 2.7.2 64-bit2329+16−1647.2%+18.930.0%1406
58.1%
283Zeus 1.272326+25−2549.3%−0.026.4%590
57.0%
284‑285Chezzz 1.0.32324+19−1950.1%−2.425.2%1040
48.3%
284‑285Der Bringer 1.92324+23−2350.0%−0.519.0%746
55.6%
286WChess 1.062322+15−1550.2%−5.629.2%1711
73.7%
287‑289Averno 0.812315+18−1848.3%+13.128.5%1063
49.0%
287‑289Kingfisher 1.1.1 64-bit2315+27−2750.7%−1.241.6%442
50.8%
287‑289Mediocre 0.42315+27−2748.3%+11.024.1%477
74.0%
290Rival 1.0.1 64-bit2303+24−2450.1%−2.727.8%663
51.1%
291‑293Anechka 0.082302+19−1948.8%+11.126.8%1053
49.8%
291‑293Ant 2006-F2302+19−1948.6%+9.624.0%1003
50.4%
291‑293Joker 1.1.142302+19−1949.3%+4.527.2%1020
54.1%
294Fischerle 0.9.80 SE 64-bit2301+20−2047.8%+14.725.7%917
54.6%
295Natwarlal 0.142299+19−1948.5%+11.525.0%1045
53.6%
296FoxSEE 5.1.2 64-bit2298+30−3046.3%+26.826.6%379
51.1%
297‑298Absolute Zero 2.4.7.2 64-bit2297+15−1550.9%−8.422.6%1739
50.1%
297‑298Sungorus 1.4 64-bit2297+18−1847.1%+21.722.3%1197
60.8%
299Dumb 1.3 64-bit2293+22−2150.9%−5.924.1%772
58.9%
300‑301Chaturanga 2.4.32290+19−1949.4%+1.826.5%1027
49.2%
300‑301Matilde 2008 64-bit2290+21−2148.8%+8.329.0%778
68.9%
302AliChess 4.252283+19−1948.4%+10.224.4%1006
74.0%
303Chispa 4.0.32275+17−1749.5%+4.827.1%1180
61.9%
304CeeChess 1.3.2 64-bit2270+25−2546.3%+28.924.5%579
55.0%
305Ayito 0.2.9942268+20−2049.1%+4.622.3%934
77.4%
306Protej 0.5.8c2257+19−1948.5%+11.322.3%1017
59.0%
307‑308Esc 1.162254+22−2247.4%+17.926.2%749
50.6%
307‑308RattateChess 1.0 Nosferatu2254+18−1949.9%+0.527.8%1036
53.8%
309Exacto 0.e 64-bit2253+18−1848.9%+7.132.6%1063
57.3%
310Beowulf 2.4a 64-bit2250+18−1849.6%+1.126.4%1075
61.5%
311Mango Paola Ajedrez 4.12246+19−1948.2%+13.626.4%1017
61.4%
312Weini 0.0.23 64-bit2242+19−1948.7%+10.017.3%1115
58.5%
313Feuerstein 0.4.6.12239+19−1949.1%+6.228.5%944
53.0%
314Atak 6.82238+16−1650.8%−5.522.9%1450
57.2%
315RamJet 0.132236+19−1952.4%−18.126.7%983
52.0%
316Buzz 0.08 64-bit2235+20−2048.4%+12.523.5%910
61.1%
317‑318Dolphin 1.0 64-bit2231+18−1849.0%+5.724.5%1075
50.4%
317‑318KMTChess 1.2.1 64-bit2231+25−2549.0%+5.924.7%592
51.7%
319SpaceDog 0.97.7 64-bit2230+22−2245.9%+29.724.3%734
64.1%
320Tiny Chess 1.46 64-bit2225+19−1949.0%+6.227.9%1020
61.9%
321Robocide 20170718 64-bit2221+17−1748.4%+12.124.7%1244
56.8%
322Uralochka 1.1b2219+18−1848.9%+8.626.0%1090
62.2%
323‑325ChessKISS 1.7c 64-bit2215+19−1948.6%+10.027.2%1005
48.5%
323‑325Joker2 0.7.7 64-bit2215+20−2047.6%+17.132.6%880
50.2%
323‑325OBender 03.2016 64-bit2215+18−1850.1%−2.024.1%1110
52.4%
326‑327Madeleine 0.22214+22−2246.1%+27.523.3%737
50.6%
326‑327Neurosis 2.32214+25−2549.6%+0.426.0%585
56.6%
328Adam 3.32212+19−1949.4%+3.222.5%1019
50.5%
329ZCT 0.3.24512211+27−2749.4%+4.325.5%478
60.4%
330Latista (Sinobyl) 1.52207+22−2248.6%+7.624.4%729
52.4%
331Baislicka 1.0 64-bit2206+19−1947.3%+19.325.5%962
55.6%
332ChessAlex 2.0r42204+20−2046.9%+20.427.3%872
52.3%
333BlackBishop 1.02203+18−1948.8%+9.427.1%1039
57.8%
334‑336Achillees 1.0 64-bit2200+27−2742.9%+56.420.0%526
47.6%
334‑336Dorpsgek Eve's Temptation 64-bit2200+14−1448.8%+9.224.0%1953
50.6%
334‑336MORA 1.0.02200+27−2752.3%−15.428.3%488
58.8%
337Alf 1.092196+23−2349.4%+1.131.1%634
56.7%
338Alarm 0.93.12193+21−2145.1%+43.919.0%880
53.0%
339‑340Embla 2.0.7 64-bit2192+30−3048.6%+10.327.0%396
50.5%
339‑340NG-Play 9.85 64-bit2192+29−2946.1%+27.627.3%410
53.0%
341GopherCheck 0.2.3 64-bit2190+18−1849.0%+7.431.4%1011
59.9%
342NagaSkaki 5.122187+17−1751.2%−8.326.5%1265
65.6%
343Lime 662182+17−1752.0%−18.320.3%1377
55.3%
344Terra 3.42180+24−2449.0%+13.217.3%718
54.6%
345‑346Prophet 2.0 64-bit2178+27−2850.1%−1.825.1%466
50.0%
345‑346Soldat III 0.187 64-bit2178+21−2148.0%+15.126.3%813
67.8%
347Clever Girl r160 64-bit2171+21−2147.6%+14.124.2%842
62.3%
348Kurt 0.9.2.2 64-bit2167+21−2147.7%+17.524.2%828
57.2%
349ProChess 1.02AD2164+19−1948.4%+6.622.1%1043
51.8%
350‑351Chesley r323 64-bit2163+22−2248.1%+14.720.8%804
51.4%
350‑351Micah 1.0 64-bit2163+25−2544.0%+45.025.4%566
73.0%
352KnockOut 0.7.12153+15−1551.1%−7.626.6%1574
80.9%
353Blitzkrieg rev337 64-bit2142+19−1946.9%+23.026.4%1013
66.7%
354Parrot 07.07.222137+19−1947.3%+19.323.0%1047
88.5%
355BikJump 2.01 64-bit2120+19−1948.8%+9.324.4%965
59.2%
356Clarabit 1.00 32-bit2117+22−2247.6%+13.829.9%736
62.6%
357Cinnamon 2.2a 64-bit2112+20−2048.7%+9.325.3%912
61.0%
358King's Out 0.2.42 64-bit2107+22−2248.8%+10.616.6%800
60.7%
359Armageddon 2.3082103+25−2456.6%−55.220.2%678
70.8%
360Bodo 0.2b2094+22−2247.8%+15.620.9%786
66.7%
361Gunborg 1.35 64-bit2087+21−2152.2%−7.327.9%806
51.2%
362Freyr 1.068 64-bit2086+21−2158.3%−63.220.6%859
65.1%
363Small Potato 0.7.0 64-bit2081+21−2153.6%−29.921.3%873
51.0%
364Smash 1.0.3a 64-bit2080+22−2247.9%+17.323.0%768
52.4%
365AdroitChess 0.42079+22−2256.0%−55.915.3%858
53.7%
366‑367BigLion 2.23w2078+21−2146.2%+24.723.3%840
48.4%
366‑367Jabba 1.0 64-bit2078+22−2244.9%+39.021.8%751
57.5%
368Little Wing 0.6.0 64-bit2075+33−3338.8%+86.317.4%356
63.7%
369Matant 5.042067+22−2260.5%−83.722.9%827
71.9%
370Vice 1.0 64-bit2057+25−2549.7%+3.620.7%608
53.0%
371Zeta Dva 0301 64-bit2056+28−2849.0%+9.529.4%446
62.4%
372‑373Ecce 1.0 (rev. 508) 64-bit2050+21−2147.1%+23.818.4%901
49.8%
372‑373Goldfish 1.13.0 64-bit2050+20−2049.9%+2.627.0%870
55.2%
374PLP 16615712048+22−2246.2%+27.824.2%768
55.8%
375Squared-chess 1.3.0 64-bit2046+23−2352.4%−18.021.9%736
53.4%
376‑377Monarch 1.72045+17−1748.2%+18.319.0%1363
50.4%
376‑377Mustang 4.972045+26−2644.7%+35.930.8%533
54.4%
378Matheus 2.32043+23−2345.0%+43.922.8%705
71.8%
379Abbess 2018.02.072033+21−2246.7%+26.419.4%840
53.2%
380ChessMind 0.822032+23−2346.0%+30.419.2%744
55.1%
381Schola 1.1.0 64-bit2030+22−2249.4%+4.123.1%780
53.6%
382‑383Bestia 0.902028+28−2851.4%−6.624.3%469
50.9%
382‑383Faile 1.4.42028+23−2355.2%−28.322.1%774
51.7%
384Arabian Knight 1.55 64-bit2027+25−2546.5%+28.119.4%608
53.8%
385‑387Cupcake 1.1a 64-bit2026+22−2250.5%−3.616.4%804
48.9%
385‑387Slibo 0.5.12026+26−2645.5%+33.719.4%573
49.7%
385‑387Wuttang r2 64-bit2026+18−1848.2%+10.922.6%1204
85.5%
388Bubble 1.52012+19−1943.6%+53.620.5%1101
76.9%
389La Dame Blanche 2.0c2003+15−1550.1%−0.918.7%1766
55.8%
390‑391BibiChess 0.52001+24−2545.7%+31.726.5%607
50.7%
390‑391Oberon 0.042001+24−2451.9%−15.419.4%648
55.4%
392Snowy 0.2 64-bit1998+26−2651.5%−12.019.0%554
54.0%
393BSC 3.91996+37−3745.1%+37.924.0%263
58.7%
394ALChess 1.841991+23−2352.8%−22.526.8%672
69.0%
395Heracles 0.6.161983+19−1947.8%+16.326.8%1034
86.5%
396Dabbaba 5.671965+25−2545.5%+33.826.4%557
53.1%
397BeLL 0.0.41 64-bit1964+22−2250.1%−1.024.5%722
64.3%
398Sissa 2.01958+23−2353.1%−22.730.1%678
55.2%
399Monik 2.2.3 32-bit1955+30−3044.4%+39.727.1%395
53.8%
400Wowl 1.3.81953+26−2745.4%+35.713.3%573
60.0%
401Etude 0.1.21949+22−2250.3%−2.424.5%772
56.2%
402Franky 1.0 64-bit1947+25−2548.8%+7.213.3%640
57.9%
403Micro-Max 4.8 (DM-PII)1943+20−2048.3%+12.826.1%865
59.9%
404MatMoi 7.15.0-cct 32-bit1939+25−2642.7%+55.324.5%568
61.1%
405Eia 0.31934+20−2047.1%+22.824.4%914
83.6%
406Presbyter 1.3.0 64-bit1918+25−2542.2%+55.716.5%638
62.4%
407Clueless 1.41913+18−1843.0%+56.215.3%1232
62.4%
408Reger 0.091909+20−2040.7%+70.622.3%924
56.3%
409Warrior 1.0.31907+19−1944.5%+40.322.5%1072
61.7%
410ChessterfieldCL i5a1902+24−2440.6%+73.420.4%657
56.0%
411Deepov 0.4.1 64-bit1899+24−2444.1%+46.517.3%677
61.1%
412Surprise 4.3b131894+22−2339.5%+82.419.4%768
54.1%
413Sapeli 1.02 64-bit1893+21−2247.9%+14.920.4%796
69.9%
414MOBMAT 0.903d 64-bit1884+25−2537.5%+110.216.0%668
56.8%
415GChess IV 0.2.01881+21−2141.2%+65.228.8%855
58.1%
416CDrill 1800 build 41878+23−2441.4%+73.115.5%741
77.4%
417Predateur 2.2 64-bit1859+41−4239.6%+79.918.1%216
76.6%
418Skiull 0.3 64-bit1841+23−2445.2%+35.724.8%660
53.9%
419BeRoChess 1.00 32-bit1839+37−3837.4%+98.522.9%266
50.7%
420Sayuri 2018.03.06 64-bit1838+26−2642.8%+57.416.0%600
53.6%
421‑422Pigeon 1.5.1 64-bit1837+27−2740.5%+69.626.1%502
48.8%
421‑422Roce 0.03901837+27−2743.4%+50.220.4%539
59.8%
423Ajedrez Tactico 2.73b1833+26−2642.4%+61.418.6%598
51.2%
424JSBam 0.521832+30−2881.9%−268.715.7%626
59.3%
425Apollo 1.2.1 64-bit1827+22−2254.3%−33.719.0%832
73.3%
426Chenard 2018.03.06 64-bit1818+19−1949.3%+5.617.0%1143
58.8%
427RataAeroespacial 0.2.11816+13−1342.5%+63.812.9%2478
58.8%
428Ranita 2.41812+26−2648.7%+5.216.2%653
78.8%
429Lodocase 2402081797+27−2753.8%−25.715.6%546
63.7%
430Robin 0.9831790+28−2851.0%−9.013.3%566
51.5%
431Ziggurat 0.18 64-bit1789+42−4329.3%+161.124.3%222
53.7%
432Mint 2.31787+27−2757.7%−63.820.1%556
51.8%
433Grizzly 1.40.1b1786+27−2756.0%−49.610.3%592
92.5%
434Pulsar 2009-9b1759+24−2449.9%−5.122.6%694
60.0%
435Zoidberg 0.11755+26−2654.9%−42.917.9%592
89.3%
436Enigma 1.1.41736+15−1541.8%+67.817.1%1840
64.5%
437Kanguruh 1.931731+23−2352.4%−16.819.4%754
88.0%
438Shallow Blue 2.0.0 64-bit1712+22−2252.1%−19.718.6%776
83.6%
439Tom Thumb 0.2 64-bit1698+19−1951.8%−14.822.7%1020
54.9%
440Laurifer 1.01696+23−2352.3%−20.817.0%777
54.4%
441EnkoChess 2908181694+23−2350.3%−1.118.5%731
53.9%
442TSCP 1.811693+19−2047.4%+21.217.0%1072
70.2%
443AdaChess 3.4 64-bit1684+23−2349.3%+7.621.5%708
69.9%
444Spartan 1.01675+25−2563.5%−103.521.2%624
67.4%
445Philemon C1667+25−2462.3%−94.922.0%626
59.4%
446VanillaChess 2.6g1663+25−2561.5%−89.320.2%624
99.1%
447SdBC 0.5.15.11622+24−2456.6%−47.527.2%624
59.0%
448Rainman 0.7.51619+24−2456.0%−44.825.2%624
57.4%
449Pulse 1.6.1 64-bit1615+21−2142.4%+66.414.3%928
83.0%
450Monochrome1602+17−1749.3%+9.928.8%1300
62.8%
451Bullitchess 1.0 64-bit1597+25−2452.2%−19.219.1%628
69.8%
452Needle 0.5311589+16−1648.8%+19.227.2%1418
75.4%
453Casper rev4 64-bit1579+24−2450.2%−2.223.9%624
60.5%
454PolarChess 1.31575+25−2549.3%+2.816.9%629
56.3%
455‑456Darky 0.5d1572+24−2443.5%+55.520.8%677
49.7%
455‑456Storm 0.61572+21−2138.3%+94.515.0%925
74.3%
457Damas 91560+25−2547.8%+17.517.6%626
76.1%
458IQ23.0031547+21−2133.6%+118.932.6%854
72.6%
459Cicada 0.1 64-bit1537+24−2544.1%+47.919.7%636
65.6%
460MSCP 1.6h1530+25−2544.0%+50.315.1%628
99.8%
461Apep 1.011479+25−2541.2%+72.510.1%683
79.1%
462Saruman 2017.08.10 64-bit1467+18−1830.7%+151.227.2%1249
95.8%
463Pooky 2.71439+25−2631.5%+145.217.1%626
75.7%
464Dreamer 0.3.0 64-bit1426+25−2633.9%+122.216.9%640
96.5%
465Hokus-Pokus 0.6.31390+27−2826.7%+197.111.0%628
72.5%
466BACE 0.461378+23−2421.5%+257.59.8%1027
 

Results matrix

All engines (top 12, best versions only)
#NameElo123456789101112
1Stockfish 13 64-bit 4CPU3557 26 − 26
+0−0=52
−25
29 − 21
+8−0=42
−15
  34 − 10
+24−0=20
+11
38.5 − 11.5
+27−0=23
+5
  10 − 4
+6−0=8
−84
42.5 − 7.5
+35−0=15
+30
 
2Fat Fritz 2 (in SF) 64-bit 4CPU353226 − 26
+0−0=52
+25
 19.5 − 14.5
+6−1=27
+7
22 − 10
+13−1=18
−22
23 − 11
+13−1=20
−30
25.5 − 8.5
+17−0=17
+16
41.5 − 12.5
+29−0=25
+30
22 − 10
+12−0=20
−40
39.5 − 12.5
+27−0=25
−4
13.5 − 2.5
+11−0=5
+60
26.5 − 5.5
+21−0=11
+28
25 − 7
+19−1=12
−31
3Dragon by Komodo 64-bit 4CPU350221 − 29
+0−8=42
+15
14.5 − 19.5
+1−6=27
−7
 22.5 − 11.5
+11−0=23
−10
25 − 9
+16−0=18
+37
45.5 − 30.5
+18−3=55
−53
35.5 − 18.5
+17−0=37
−22
22.5 − 9.5
+13−0=19
+1
66 − 20
+46−0=40
+32
37.5 − 12.5
+25−0=25
−2
29 − 5
+24−0=10
+90
25 − 7
+18−0=14
−7
4SlowChess Blitz 2.5 64-bit 4CPU3402 10 − 22
+1−13=18
+22
11.5 − 22.5
+0−11=23
+10
 14.5 − 17.5
+2−5=25
−26
17 − 15
+7−5=20
+9
27 − 27
+8−8=38
−6
18 − 14
+5−1=26
+14
23.5 − 15.5
+11−3=25
+23
20 − 12
+9−1=22
+13
18 − 14
+6−2=24
−35
21.5 − 10.5
+15−4=13
+20
5Houdini 6 64-bit 4CPU3399 11 − 23
+1−13=20
+30
9 − 25
+0−16=18
−37
17.5 − 14.5
+5−2=25
+26
 15.5 − 14.5
+4−3=23
+4
27.5 − 26.5
+6−5=43
0
17.5 − 14.5
+5−2=25
+9
22.5 − 15.5
+11−4=23
+19
9 − 7
+3−1=12
−18
20.5 − 11.5
+12−3=17
+18
20.5 − 11.5
+9−0=23
−10
6Ethereal 12.75 64-bit 4CPU339510 − 34
+0−24=20
−11
8.5 − 25.5
+0−17=17
−16
30.5 − 45.5
+3−18=55
+53
15 − 17
+5−7=20
−9
14.5 − 15.5
+3−4=23
−4
 26.5 − 27.5
+7−8=39
−5
17 − 15
+5−3=24
+4
21.5 − 18.5
+10−7=23
−7
10.5 − 5.5
+5−0=11
+37
17.5 − 12.5
+6−1=23
−19
19 − 11
+9−1=20
−9
7Fire 8 64-bit 4CPU339511.5 − 38.5
+0−27=23
−5
12.5 − 41.5
+0−29=25
−30
18.5 − 35.5
+0−17=37
+22
27 − 27
+8−8=38
+6
26.5 − 27.5
+5−6=43
0
27.5 − 26.5
+8−7=39
+5
 24.5 − 27.5
+6−9=37
−25
28.5 − 23.5
+10−5=37
−3
 34.5 − 17.5
+18−1=33
+27
35.5 − 16.5
+20−1=31
+20
8Nemorino 6.00 64-bit 4CPU3385 10 − 22
+0−12=20
+40
9.5 − 22.5
+0−13=19
−1
14 − 18
+1−5=26
−14
14.5 − 17.5
+2−5=25
−9
15 − 17
+3−5=24
−4
27.5 − 24.5
+9−6=37
+25
 21 − 16
+7−2=28
+16
5 − 9
+0−4=10
−114
19 − 13
+8−2=22
−2
21 − 11
+13−3=16
+21
9Igel 2.9.0 64-bit 4CPU3366 12.5 − 39.5
+0−27=25
+4
20 − 66
+0−46=40
−32
15.5 − 23.5
+3−11=25
−23
15.5 − 22.5
+4−11=23
−19
18.5 − 21.5
+7−10=23
+7
23.5 − 28.5
+5−10=37
+3
16 − 21
+2−7=28
−16
 25 − 25
+4−4=42
−19
21.5 − 16.5
+7−2=29
+1
23.5 − 14.5
+13−4=21
+17
10RubiChess 2.0 64-bit 4CPU33474 − 10
+0−6=8
+84
2.5 − 13.5
+0−11=5
−60
12.5 − 37.5
+0−25=25
+2
12 − 20
+1−9=22
−13
7 − 9
+1−3=12
+18
5.5 − 10.5
+0−5=11
−37
 9 − 5
+4−0=10
+114
25 − 25
+4−4=42
+19
 7.5 − 6.5
+2−1=11
+4
6 − 8
+1−3=10
−73
11Xiphos 0.6 64-bit 4CPU33337.5 − 42.5
+0−35=15
−30
5.5 − 26.5
+0−21=11
−28
5 − 29
+0−24=10
−90
14 − 18
+2−6=24
+35
11.5 − 20.5
+3−12=17
−18
12.5 − 17.5
+1−6=23
+19
17.5 − 34.5
+1−18=33
−27
13 − 19
+2−8=22
+2
16.5 − 21.5
+2−7=29
−1
6.5 − 7.5
+1−2=11
−4
 16 − 16
+4−4=24
−21
12RofChade 2.3 64-bit 4CPU3313 7 − 25
+1−19=12
+31
7 − 25
+0−18=14
+7
10.5 − 21.5
+4−15=13
−20
11.5 − 20.5
+0−9=23
+10
11 − 19
+1−9=20
+9
16.5 − 35.5
+1−20=31
−20
11 − 21
+3−13=16
−21
14.5 − 23.5
+4−13=21
−17
8 − 6
+3−1=10
+73
16 − 16
+4−4=24
+21
 
Performance color legend:
(Only pairs with at least 30 games)
-120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120

LOS matrix

All engines (top 12, best versions only)
#NameElo123456789101112
1Stockfish 13 64-bit 4CPU3557 92.999.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Fat Fritz 2 (in SF) 64-bit 4CPU35327.1 98.5100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Dragon by Komodo 64-bit 4CPU35020.11.5 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4SlowChess Blitz 2.5 64-bit 4CPU34020.00.00.0 58.969.768.888.899.699.9100.0100.0
5Houdini 6 64-bit 4CPU33990.00.00.041.1 66.164.190.599.999.9100.0100.0
6Ethereal 12.75 64-bit 4CPU33950.00.00.030.333.9 50.678.899.399.7100.0100.0
7Fire 8 64-bit 4CPU33950.00.00.031.235.949.4 76.098.599.5100.0100.0
8Nemorino 6.00 64-bit 4CPU33850.00.00.011.29.521.224.0 94.198.4100.0100.0
9Igel 2.9.0 64-bit 4CPU33660.00.00.00.40.10.71.55.9 86.199.8100.0
10RubiChess 2.0 64-bit 4CPU33470.00.00.00.10.10.30.51.613.9 80.297.7
11Xiphos 0.6 64-bit 4CPU33330.00.00.00.00.00.00.00.00.219.8 97.6
12RofChade 2.3 64-bit 4CPU33130.00.00.00.00.00.00.00.00.02.32.4 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100


Complete list (all engines and versions)


Selections from the complete rating list:

All engines   |   32-bit

1-2-CPU engines   |   32-bit

Single-CPU engines   |   32-bit

Multi-CPU engines   |   32-bit

2-CPU engines   |   32-bit

4-CPU engines   |   32-bit

Free engines   |   32-bit

Free 1-2-CPU engines   |   32-bit

Free single-CPU engines   |   32-bit

Free multi-CPU engines   |   32-bit

Free 2-CPU engines   |   32-bit

Free 4-CPU engines   |   32-bit

Open source engines   |   32-bit

Open source 1-2-CPU engines   |   32-bit

Open source single-CPU engines   |   32-bit

Open source multi-CPU engines   |   32-bit

Open source 2-CPU engines   |   32-bit

Open source 4-CPU engines   |   32-bit

Custom comparison

Step 1. Select class of engines to compare:

Only public releases (no private engines)
Only engines with default settings
Only new versions
Only best versions from each family

Select additional individual engines or engine families. You can select multiple items in each list by pressing SHIFT or CTRL while selecting. These lists can be used all at the same time, all selections will be simply combined together.

Families

Engines


Step 2. Select output that you want to see.

Rating list
Testing profile
  (Step: , Numbers: )

Results table
Performance table
Score table
LOS table
Proportion of draws
Number of games
Number of connecting games
Percentage of connecting games
Score with common opponents
Score with all opponents
Performance with common opponents
Performance with all opponents
LOS with common opponents
LOS with all opponents

Maximum size of cross-tables (from 2 to 100):
Limit crosstables to engines in ELO range: to
Match length (Minimum number of games to highlight with color):

Cross-tables show only best version of each engine
Sort cross-tables by:   Rating   Name
Highlight diagonal of cells wide. (0 to highlight everything)

Reference rating list:
Recalibrate:
  No recalibration (reference and current list are compared as they are)
  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  Recalibrate current list to reference using selected engines only
  Recalibrate current list to reference using all common engines


Step 3.


Download games in PGN format

All games are compressed with 7-zip.

All games, without comments

1'223'030 games (229.56 MB)

All games with comments

1'223'030 games (712.78 MB)

Selection of games

(Please don't use aggressive download managers)

Various statistics


Created in 2005-2013 by CCRL team
Last games added on March 6, 2021