CCRL 40/15
Downloads and Statistics
March 3, 2021
Testing summary:
Total: 1'221'210 games
played by 2'800 programs

White wins: 419'452 (34.3%)
Black wins: 308'564 (25.3%)
Draws: 493'194 (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 3, 2021 with Bayeselo based on 1'221'210 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 2021-01-11 64-bit 4CPU3554+21−2175.0%−164.448.9%740 
96.0%
2Fat Fritz 2 (in SF) 64-bit 4CPU3528+21−2170.3%−128.957.0%670
97.7%
3Dragon by Komodo 64-bit 4CPU3501+18−1865.5%−96.561.1%941
100.0%
4‑5Houdini 6 64-bit 4CPU3399+10−1058.2%−51.762.2%2928
49.7%
4‑5SlowChess Blitz 2.5 64-bit 4CPU3399+23−2346.9%+18.965.3%539
60.2%
6Ethereal 12.75 64-bit 4CPU3396+17−1748.9%+7.966.7%924
57.5%
7Fire 8 64-bit 4CPU3393+21−2146.1%+26.063.1%634
69.2%
8Nemorino 6.00 64-bit 4CPU3386+19−1849.0%+1.761.8%841
93.8%
9Igel 2.9.0 64-bit 4CPU3367+18−1849.5%+3.659.1%886
99.8%
10Xiphos 0.6 64-bit 4CPU3333+14−1441.2%+56.062.5%1450
95.5%
11‑12Pedone 3.0 64-bit 4CPU3311+21−2233.4%+106.455.8%652
50.3%
11‑12RofChade 2.3 64-bit 4CPU3311+15−1537.9%+75.261.6%1212
83.3%
13Booot 6.4 64-bit 4CPU3301+16−1636.6%+83.759.7%1223
73.5%
14RubiChess 1.8 64-bit 4CPU3293+20−2035.0%+90.461.9%732
63.7%
15Laser 1.7 64-bit 4CPU3289+13−1341.7%+50.462.5%1655
84.5%
16Defenchess 2.2 64-bit 4CPU3279+15−1539.9%+62.759.5%1305
52.1%
17Deep Shredder 13 64-bit 4CPU3278+10−1045.2%+29.662.1%2939
79.3%
18Fizbo 2 64-bit 4CPU3272+12−1243.3%+41.654.9%2131
69.8%
19Schooner 2.2 64-bit 4CPU3264+26−2645.6%+28.360.7%420
55.6%
20Andscacs 0.95 64-bit 4CPU3262+17−1842.3%+47.759.3%943
99.8%
21Arasan 21.4 64-bit 4CPU3217+25−2545.0%+26.055.6%464
97.6%
22Chiron 4 64-bit 4CPU3189+12−1241.6%+56.952.4%2338
64.4%
23Vajolet2 2.7 64-bit 4CPU3183+25−2552.3%−13.655.8%459
60.8%
24Gull 3 64-bit 4CPU3180+9−942.5%+47.954.2%3783
52.8%
25NirvanaChess 2.4 64-bit 4CPU3179+13−1341.7%+55.754.2%1828
78.0%
26Equinox 3.20 64-bit 4CPU3172+11−1142.2%+51.159.0%2671
64.6%
27ChessBrainVB 3.72 4CPU3166+30−3045.0%+30.751.3%320
64.2%
28Wasp 4.50 64-bit3159+26−2655.4%−35.952.9%425
51.2%
29Critter 1.6a 64-bit 4CPU3158+8−845.3%+31.954.6%5429
68.7%
30Hannibal 1.7 64-bit 4CPU3154+14−1442.3%+48.054.5%1577
74.6%
31Bouquet 1.8 64-bit 4CPU3148+11−1143.6%+41.456.7%2427
60.4%
32Rybka 4 64-bit 4CPU3146+10−1048.7%+7.651.0%3180
56.6%
33Lc0 0.24.0 w591226 64-bit3143+33−3349.8%−3.153.4%268
56.3%
34Texel 1.07 64-bit 4CPU3140+14−1449.5%+5.549.2%1620
58.9%
35Protector 1.9.0 64-bit 4CPU3138+15−1546.4%+24.753.9%1338
56.6%
36Alfil 15.7 64-bit 4CPU3136+17−1742.9%+48.356.3%1006
76.5%
37Winter 0.9 64-bit3126+18−1848.6%+7.350.2%898
64.0%
38‑40BlackMamba 2.0 64-bit 4CPU3122+15−1544.2%+37.654.3%1408
48.6%
38‑40Orion 0.8 64-bit3122+22−2248.6%+6.154.0%598
50.8%
38‑40iCE 4.0 64-bit 4CPU3122+27−2747.9%+10.152.3%400
71.7%
41Combusken 1.4.0 64-bit3112+21−2148.4%+10.053.3%643
52.7%
42Halogen 9 64-bit3111+22−2248.2%+9.352.5%579
58.0%
43Senpai 2.0 64-bit 4CPU3107+19−1951.5%−11.248.7%816
58.9%
44Marvin 5.0.0 64-bit3103+27−2751.9%−11.155.7%386
53.1%
45Strelka 5.5 64-bit3102+7−645.6%+32.248.1%9977
63.1%
46Beef 0.3.6 64-bit3098+27−2745.8%+25.550.2%402
58.5%
47Naum 4.6 64-bit 4CPU3094+14−1448.1%+11.954.3%1544
66.2%
48Demolito 2020-05-14 64-bit3089+19−1951.5%−11.750.7%807
81.7%
49chess22k 1.14 64-bit3077+17−1750.3%−2.053.6%1068
61.4%
50Amoeba 3.1 64-bit 4CPU3072+34−3442.1%+48.049.6%254
54.0%
51Koivisto 4.0 64-bit3070+22−2149.6%+1.749.4%646
51.2%
52Rodent III 0.238 64-bit 4CPU3069+20−2047.2%+15.050.0%742
69.2%
53Topple 0.7.5 64-bit 4CPU3060+29−2953.2%−19.845.3%360
58.4%
54Seer 1.2.1 64-bit3056+24−2453.3%−25.148.4%537
52.5%
55Minic 2.46 64-bit3055+22−2252.2%−16.345.1%614
55.0%
56Hiarcs 14 4CPU3053+13−1342.8%+43.551.2%1894
99.5%
57Deep Junior 13 64-bit 4CPU3026+16−1643.5%+40.949.9%1161
53.4%
58‑59Bobcat 8.0 64-bit 4CPU3025+21−2148.3%+11.253.5%636
49.5%
58‑59SmarThink 1.98 64-bit3025+13−1349.6%−0.341.8%2003
51.8%
60Pirarucu 2.7.4 64-bit 4CPU3024+20−2053.6%−26.747.6%735
77.7%
61Spike 1.4 Leiden 4CPU3015+11−1145.2%+29.747.7%2862
59.2%
62Crafty 25.2 64-bit 4CPU3013+16−1648.5%+9.342.5%1279
64.7%
63Cheng 4.39 64-bit 4CPU3009+15−1549.4%+4.048.6%1333
65.7%
64Monolith 2 64-bit3004+17−1748.9%+5.350.5%1071
68.3%
65Hakkapeliitta TCEC v2 64-bit2999+13−1349.7%−4.542.5%1988
60.4%
66Bagatur 2.2 64-bit2996+18−1850.0%−0.147.9%949
62.3%
67Stash 27.0 64-bit2990+30−3049.7%+1.644.7%340
60.2%
68FabChess 1.16 64-bit2985+20−2056.8%−48.143.4%834
56.1%
69Scorpio 2.8 64-bit 4CPU2983+25−2548.8%+6.946.3%492
51.8%
70Weiss 1.2 64-bit2982+17−1755.9%−44.739.9%1120
54.9%
71Deuterium 2019.2.37.73 64-bit2981+15−1548.1%+10.248.8%1285
54.9%
72Godel 7.0 64-bit2979+17−1748.6%+6.141.3%1090
75.2%
73EXchess 7.97b 64-bit 4CPU2970+18−1847.4%+19.145.9%1017
58.0%
74‑75Spark 1.0 64-bit 4CPU2968+13−1345.0%+32.346.6%1787
51.9%
74‑75Zappa Mexico II 64-bit 4CPU2968+10−1048.3%+9.148.1%3270
84.3%
76Toga II 4.0 64-bit 4CPU2957+19−1941.4%+56.640.4%958
88.8%
77Gaviota 1.0 64-bit 4CPU2941+16−1647.3%+16.645.4%1256
56.0%
78‑79Deep Sjeng c't 20102940+10−1046.4%+23.045.9%3394
49.4%
78‑79Tucano 7.07 64-bit 4CPU2940+33−3351.5%−9.744.7%291
53.1%
80‑81Francesca MAD 0.30a 64-bit2938+35−3545.8%+25.348.8%248
49.9%
80‑81The Baron 3.44 64-bit 4CPU2938+28−2846.8%+21.045.3%402
62.2%
82Onno 1.2.70 64-bit 4CPU2933+19−1947.3%+16.148.3%810
69.5%
83Thinker 5.4d Inert 64-bit 4CPU2925+23−2346.0%+24.249.7%587
72.8%
84Dirty CUCUMBER 64-bit2917+12−1250.1%−1.644.1%2232
59.6%
85DisasterArea 1.65 64-bit 4CPU2914+21−2144.2%+35.946.1%709
55.7%
86Gogobello 2.0 64-bit 4CPU2912+25−2550.8%−7.539.1%522
56.4%
87Asymptote 0.8 64-bit2909+19−1946.5%+21.342.5%854
56.4%
88Counter 3.5 64-bit2907+19−1953.1%−23.641.0%900
58.8%
89Quazar 0.4 64-bit2904+10−1048.2%+11.043.5%3200
70.5%
90DiscoCheck 5.2 64-bit2899+18−1848.4%+8.843.4%1032
54.4%
91Atlas 3.91 64-bit2898+13−1349.7%−2.739.5%1948
58.7%
92‑94Bright 0.4a 4CPU2895+15−1547.4%+17.241.1%1495
52.6%
92‑94Glaurung 2.2 64-bit 4CPU2895+16−1647.0%+18.740.7%1259
48.9%
92‑94Tornado 6.0 64-bit 4CPU2895+26−2645.5%+27.643.3%469
67.8%
95Octochess r5506 64-bit 4CPU2887+21−2144.5%+35.846.7%715
56.1%
96MinkoChess 1.3 64-bit 4CPU2885+21−2146.0%+24.243.7%725
67.7%
97Invictus r305 64-bit2878+17−1749.2%+5.242.6%1056
99.7%
98Loop M1-T 64-bit 4CPU2848+12−1243.2%+43.345.2%2447
57.2%
99Nemo 1.0.1 64-bit2847+12−1248.1%+11.442.9%2368
61.5%
100Shield 2.1 64-bit 4CPU2843+24−2448.7%+9.236.0%594
51.1%
101Cheese 2.0 64-bit 4CPU2842+30−3045.8%+26.439.2%355
53.2%
102Mr Bob 0.9.0 64-bit2840+24−2452.8%−22.437.8%596
58.3%
103BugChess2 1.9 64-bit 4CPU2837+21−2143.4%+44.538.2%738
71.3%
104Zurichess Neuchatel 64-bit2830+12−1247.6%+13.643.0%2194
78.5%
105Murka 3 64-bit2823+12−1248.1%+10.843.8%2150
64.6%
106tomitankChess 4.2 64-bit2818+25−2549.9%−3.146.5%499
56.7%
107Jonny 4.00 4CPU2815+25−2543.6%+42.135.0%540
55.6%
108GNU Chess 5.60 64-bit2812+16−1648.6%+8.141.8%1235
78.6%
109OliThink 5.9.2 64-bit2799+27−2752.9%−23.134.2%444
63.9%
110GnuCheese 1.00 64-bit2794+16−1649.1%+3.540.5%1313
53.6%
111Rhetoric 1.4.3 64-bit2793+12−1249.1%+2.640.1%2319
54.6%
112RuyDos 1.1.9 64-bit2792+15−1548.5%+7.937.5%1620
90.6%
113Pawny 1.2 64-bit2778+13−1348.1%+11.939.8%1858
66.8%
114Naraku 1.42774+16−1648.4%+10.926.2%1468
56.1%
115Frenzee 3.5.19 64-bit2772+14−1448.1%+11.434.5%1759
58.1%
116Twisted Logic 20100131x 64-bit2770+16−1649.3%+2.735.1%1359
92.2%
117Bison 9.11 64-bit2756+13−1349.5%+0.535.5%2051
65.2%
118Ktulu 92752+12−1246.6%+21.839.2%2280
58.5%
119Fridolin 3.10 64-bit 4CPU2748+33−3349.5%−0.331.5%308
56.4%
120Devel 3.2.92744+24−2447.1%+18.236.9%566
63.2%
121Chronos 1.9.9 32-bit2739+17−1750.3%−0.243.2%1182
59.5%
122Carballo 1.7 64-bit2737+14−1449.2%+5.040.1%1692
67.2%
123Arminius 2018-12-23 64-bit2733+12−1249.5%+1.634.1%2316
71.7%
124Nebula 2.0 64-bit 4CPU2725+20−2045.1%+36.034.1%866
64.5%
125ProDeo 2.22720+17−1748.0%+11.836.9%1221
57.8%
126GreKo 2018.12 64-bit2717+24−2448.0%+12.145.5%527
84.3%
127Chess Tiger 2007.12704+10−1046.5%+22.642.8%3286
57.0%
128Chessmaster 11 Archangel2702+19−1946.7%+21.539.3%862
56.0%
129ECE 20.1 64-bit2699+22−2249.7%+3.427.5%752
61.3%
130K2 0.992695+25−2541.1%+60.335.0%543
53.3%
131DanaSah 8.32693+19−1947.4%+14.738.9%911
64.6%
132‑133Delfi 5.42689+12−1148.2%+11.439.8%2606
49.5%
132‑133Velvet 1.1.0 64-bit2689+27−2748.1%+13.430.8%480
57.6%
134Hamsters 0.7.1 4CPU2685+32−3252.4%−14.136.2%318
54.2%
135RedQueen 1.1.98 64-bit 4CPU2683+27−2739.4%+80.228.5%494
50.9%
136WyldChess 1.51 64-bit2682+15−1547.6%+12.834.1%1503
57.6%
137Daydreamer 1.75 64-bit2680+16−1648.5%+10.340.0%1235
68.1%
138Pharaon 3.5.1 4CPU2673+26−2643.6%+41.329.7%518
53.8%
139Shallow 2020-09-09 64-bit2671+26−2654.2%−26.438.3%473
58.4%
140Djinn 1.021 64-bit2668+13−1348.4%+9.536.7%1975
52.7%
141‑142Jellyfish 1.1 64-bit 4CPU2666+29−2953.3%−24.532.3%403
51.0%
141‑142Movei 00.8.438 (10 10 10)2666+11−1147.5%+14.636.9%2873
76.4%
143Alaric 7072660+11−1149.3%+4.134.2%2695
54.9%
144Drosophila 1.6 64-bit2659+22−2248.8%+10.135.5%685
53.0%
145Floyd 0.9 64-bit2658+14−1449.2%+5.229.1%1726
64.8%
146‑147Ghost 3.1 64-bit 4CPU2651+30−2953.9%−25.528.5%393
51.2%
146‑147Philou 3.7.1 64-bit2651+13−1348.3%+9.936.9%1942
56.1%
148‑149Cyrano 0.6b17 64-bit2649+21−2148.3%+9.136.4%756
47.9%
148‑149E.T. Chess 13.01.082649+13−1349.1%+6.036.3%1930
54.2%
150Rotor 0.7a2648+21−2150.4%−4.435.9%736
60.3%
151Gandalf 7 64-bit2644+18−1848.4%+9.032.5%1094
56.5%
152Colossus 2008b2643+12−1248.9%+4.938.7%2188
84.6%
153Sjakk 2.2 64-bit2632+15−1549.2%+4.738.7%1425
54.8%
154Nawito 19062631+20−2050.2%−0.435.4%831
56.8%
155WildCat 82629+13−1348.6%+8.234.2%2015
53.6%
156Rodin 8.02628+15−1549.1%+3.938.4%1475
55.8%
157Delocto 0.61n 64-bit2626+23−2350.3%−3.640.5%598
57.8%
158‑159NoraGrace 2.0 64-bit2623+15−1550.3%−4.227.9%1545
48.8%
158‑159Ruffian 2.1.02623+13−1348.7%+8.237.6%2061
62.3%
160‑161Caligula 0.9g2619+21−2153.6%−27.830.2%796
52.3%
160‑161Phalanx XXV2619+15−1549.6%+2.032.3%1501
75.3%
162Sloppy 0.2.2 64-bit2611+16−1648.4%+7.532.9%1310
57.3%
163Betsabe II 20202608+28−2849.3%+4.132.8%411
55.2%
164Donna 4.0 64-bit2606+15−1550.2%−2.436.3%1432
52.2%
165KnightX 2.4 64-bit2605+29−2953.3%−23.734.2%398
67.2%
166Glass 2.0 64-bit2597+13−1448.5%+11.132.9%1933
55.5%
167‑168Aristarch 4.502596+12−1248.5%+11.632.0%2606
50.6%
167‑168Muse 0.953 64-bit2596+16−1648.9%+5.734.7%1310
56.5%
169N2 0.4 64-bit2594+16−1649.8%+1.135.7%1374
60.5%
170Petir 4.392591+19−1948.6%+6.537.8%904
53.5%
171‑174Amyan 1.722590+12−1250.0%−0.331.8%2383
50.3%
171‑174CuckooChess 1.12 32-bit2590+25−2548.8%+8.529.7%539
49.5%
171‑174Galjoen 0.40 64-bit2590+20−2050.7%−7.233.2%850
48.4%
171‑174Pseudo 0.7c2590+13−1349.8%+1.937.7%1994
58.0%
175Brutus 8.05 64-bit2588+21−2148.8%+6.734.8%787
54.5%
176Drofa 2.1.0 64-bit2586+30−3052.7%−20.728.3%392
52.8%
177‑178Coiled 0.6 64-bit2585+12−1250.3%−2.234.1%2439
48.5%
177‑178GarboChess 3.0 64-bit2585+16−1649.4%+2.732.1%1362
61.3%
179Dimitri 4.992581+20−2050.9%−6.030.0%882
82.5%
180Capivara LK 0.09b02f 64-bit2569+17−1749.8%+0.833.2%1240
69.1%
181SOS 5.12564+13−1348.2%+10.934.5%2110
60.8%
182Jumbo 0.7.0 64-bit2561+19−1949.8%+1.632.5%957
59.3%
183‑184Dorky 4.8 64-bit2558+14−1450.1%+0.131.3%1809
48.1%
183‑184JikChess 0.02 64-bit2558+16−1649.5%+2.028.1%1477
57.1%
185Detroid 1.0.1 64-bit2556+18−1850.9%−9.128.5%1058
52.3%
186Anaconda 2.0.12555+27−2747.9%+12.135.2%458
52.1%
187‑188Delphil 3.2 64-bit 4CPU2554+31−3138.2%+85.530.5%374
50.5%
187‑188Jazz 840 64-bit 4CPU2554+20−2057.8%−64.225.3%1000
53.6%
189Raven 1.0 64-bit2552+23−2351.3%−9.734.0%636
69.1%
190nanoSzachy 4.0 64-bit2545+18−1749.5%+3.131.5%1127
56.4%
191Ufim 8.022543+12−1249.6%+1.331.0%2576
60.5%
192FrankWalter 2.4.0 64-bit2540+17−1649.8%+1.329.8%1293
52.7%
193Supernova 2.2.1 64-bit2539+29−2951.1%−8.327.5%404
51.9%
194AnMon 5.752538+15−1549.0%+7.630.7%1534
57.7%
195Maverick 1.5 64-bit2536+14−1450.4%−4.229.8%1919
66.3%
196Nemeton 1.8 4CPU2530+27−2749.9%+1.727.2%496
52.8%
197Hermann 2.8 64-bit2529+16−1648.8%+8.626.3%1342
55.4%
198Axolotl 1.9 64-bit2527+19−1949.5%+1.431.6%944
84.4%
199CyberPagno 3.0 64-bit2515+14−1449.6%−0.631.0%1867
53.9%
200Nimzo 82513+27−2845.5%+33.532.2%453
63.8%
201Little Goliath Evolution 3.122507+18−1846.3%+25.233.6%1025
66.3%
202Tao 5.62502+16−1648.5%+11.327.4%1445
58.2%
203Pupsi2 0.092500+16−1749.0%+6.329.3%1286
58.5%
204LittleThought 1.052 64-bit2497+16−1647.9%+14.025.9%1420
57.3%
205Pepito 1.59.2 64-bit2495+17−1748.3%+11.734.5%1203
56.9%
206MadChess 2.2 64-bit2493+14−1548.4%+11.431.7%1638
60.3%
207Green Light Chess 3.01.2.22489+24−2448.1%+12.331.0%596
54.9%
208Yace 0.99.872488+17−1648.5%+11.328.6%1291
56.8%
209Trace 1.362485+20−2049.4%+3.926.9%903
55.1%
210‑211Myrddin 0.87 64-bit 4CPU2483+35−3538.9%+80.728.4%296
49.2%
210‑211Xpdnt 0910072483+15−1548.3%+10.831.3%1588
58.1%
212Cerebro 3.03d2481+17−1749.0%+5.429.1%1241
56.1%
213‑214Bruja 1.9.1 64-bit2479+17−1848.8%+8.726.3%1163
49.6%
213‑214Matacz 1.42479+16−1649.5%+2.932.8%1294
52.2%
215pikoSzachy 4.12478+29−2952.3%−15.830.8%412
53.9%
216SpiderChess 0706032476+20−2048.3%+13.938.9%809
53.5%
217Anatoli 0.35k2475+16−1649.0%+5.931.6%1382
54.3%
218BBChess 1.3b2474+23−2349.2%+5.537.9%589
54.0%
219Lozza 1.18 64-bit2472+15−1548.3%+12.733.2%1489
60.4%
220Quark 2.352469+18−1848.4%+10.828.6%1147
58.7%
221Bumblebee 1.0 64-bit2466+21−2148.1%+10.733.7%778
60.3%
222Giraffe 20150908 64-bit2462+19−1848.9%+8.024.1%1064
91.1%
223Abrok 5.02445+18−1848.3%+10.229.5%1129
52.1%
224‑226Hussar 0.42444+16−1748.3%+12.030.2%1267
50.2%
224‑226Mephisto Gideon Professional2444+23−2347.7%+16.832.8%635
49.6%
224‑226Typhoon 1.00-3482444+30−3048.5%+12.127.2%401
56.5%
227Eeyore 1.52 64-bit2442+17−1748.0%+12.428.0%1225
53.5%
228‑229Bearded N44.5 64-bit2440+20−2048.8%+7.529.9%881
51.6%
228‑229Teki 2 64-bit2440+16−1649.2%+5.122.9%1443
54.3%
230Taltos rev118 64-bit2439+18−1851.1%−8.826.3%1092
52.2%
231‑232King of Kings 2.562438+21−2150.0%−1.124.6%846
48.1%
231‑232Tunguska 1.1 64-bit2438+19−1949.7%+1.429.7%1030
52.7%
233Snitch 1.6.2 32-bit2437+22−2248.4%+9.028.0%706
58.1%
234TJchess 1.3 64-bit2434+17−1748.6%+10.429.7%1184
62.7%
235Homer 2.012430+20−2149.1%+5.732.6%803
62.8%
236NoC 4.20 64-bit2425+24−2449.2%+4.721.4%668
57.4%
237Cmcchess 2.6 64-bit2422+17−1748.5%+9.736.3%1135
53.4%
238‑239Ares 1.005.2.1 64-bit2421+21−2151.0%−7.237.1%765
49.9%
238‑239Kiwi 0.6d 32-bit2421+19−1948.4%+9.127.0%981
52.2%
240Bitfoot 1.0.d9aeb43 64-bit2420+25−2548.8%+8.826.3%563
55.2%
241PostModernist 10162418+18−1848.0%+11.429.8%1100
54.9%
242Gaia 3.5 64-bit2416+21−2149.3%+4.124.9%849
55.4%
243RomiChess P3n 64-bit2415+13−1348.6%+9.434.0%1969
55.1%
244Ifrit m1.8 64-bit2413+18−1848.8%+10.028.6%1151
54.5%
245Diablo 0.5.12412+18−1848.6%+9.232.3%1088
53.6%
246Jonesy 1.0 64-bit2410+21−2149.4%+3.329.9%810
53.0%
247‑248Hedgehog 2.0 64-bit2409+32−3254.1%−31.628.6%339
49.3%
247‑248Queen 4.032409+18−1848.4%+9.534.5%1080
61.8%
249Dragon 4.62405+17−1747.7%+16.032.5%1155
56.6%
250Amy 0.87b2403+24−2449.4%+6.925.7%610
51.5%
251‑252Gosu 0.162402+18−1850.1%−2.027.5%1097
52.7%
251‑252Tigran 2.4n 64-bit2402+17−1749.3%+3.629.6%1263
50.7%
253Simplex 0.9.8 64-bit2401+17−1747.8%+15.724.7%1318
59.7%
254‑255KnightDreamer 3.32397+26−2649.0%+11.730.8%509
50.9%
254‑255Patzer 3.802397+19−1948.1%+14.924.9%1019
51.9%
256Popochin 4.1 64-bit2396+16−1650.6%−3.029.4%1352
54.0%
257Amateur 2.822395+19−1949.2%+4.224.6%983
54.6%
258Alex 2.14a 64-bit2394+18−1849.2%+4.829.9%1051
52.9%
259CT800 1.40 64-bit2392+28−2847.9%+14.828.0%446
54.0%
260‑261Waxman 20142391+20−2048.5%+9.831.6%838
50.1%
260‑261Zevra 2.1.2 r248 64-bit2391+19−1950.1%−0.826.8%945
56.4%
262Sorgenkind 0.42389+14−1450.9%−5.727.7%1724
55.4%
263Sage 3.532387+18−1849.9%+0.927.3%1134
52.4%
264‑265Googleplex Starthinker 1.6 64-bit2386+18−1849.1%+7.027.5%1054
51.8%
264‑265Horizon 4.42386+17−1749.0%+6.925.5%1294
54.2%
266‑267Comet B682384+18−1848.3%+12.625.9%1057
50.6%
266‑267Tytan 9.32384+22−2251.4%−10.825.5%737
52.4%
268Thor's Hammer 2.28 32-bit2383+22−2249.0%+7.028.8%730
55.7%
269Isa 2.0.83 64-bit2381+24−2452.1%−17.725.8%617
87.3%
270Plisk 0.2.7d 64-bit2363+19−1949.0%+6.727.2%1017
64.2%
271Flux 2.2.12358+21−2151.2%−9.630.1%823
63.1%
272‑273Barbarossa 0.6.0 64-bit2352+25−2649.5%+3.626.9%540
50.4%
272‑273Ceibo 0.5 64-bit2352+25−2544.4%+39.223.8%584
74.1%
274Arion 1.72342+18−1848.8%+7.426.8%1081
61.7%
275‑276Aice 0.99.22338+17−1749.4%+3.227.3%1201
48.8%
275‑276Napoleon 1.8 64-bit2338+17−1751.0%−7.530.6%1242
54.4%
277Gibbon 2.60a 64-bit2337+20−2048.4%+9.331.0%833
52.8%
278EveAnn 1.712336+28−2848.4%+11.933.4%416
51.1%
279Butcher 1.61 64-bit2335+30−3048.7%+10.525.2%393
56.6%
280Asterisk 0.62332+17−1847.8%+15.727.0%1161
60.7%
281‑282Amundsen 0.802329+17−1749.1%+6.629.2%1269
48.8%
281‑282FireFly 2.7.2 64-bit2329+16−1647.2%+18.530.0%1406
58.0%
283Zeus 1.272326+25−2549.3%−0.426.4%590
55.0%
284Der Bringer 1.92324+23−2350.0%−0.719.0%746
51.7%
285Chezzz 1.0.32323+19−1950.1%−1.725.2%1040
54.2%
286WChess 1.062322+15−1550.2%−6.029.2%1711
67.6%
287Kingfisher 1.1.1 64-bit2315+27−2750.7%−1.541.6%442
51.0%
288‑289Averno 0.812314+18−1848.3%+13.828.5%1063
50.0%
288‑289Mediocre 0.42314+27−2748.3%+11.524.1%477
76.9%
290‑293Anechka 0.082302+19−1948.8%+10.726.8%1053
49.9%
290‑293Ant 2006-F2302+19−1948.6%+9.324.0%1003
50.4%
290‑293Joker 1.1.142302+19−1949.3%+4.127.2%1020
48.7%
290‑293Rival 1.0.1 64-bit2302+24−2450.1%−2.227.8%663
54.8%
294Fischerle 0.9.80 SE 64-bit2300+20−2047.8%+15.325.7%917
54.5%
295Natwarlal 0.142299+19−1948.5%+11.225.0%1045
57.0%
296‑298Absolute Zero 2.4.7.2 64-bit2297+15−1550.9%−8.822.6%1739
49.1%
296‑298FoxSEE 5.1.2 64-bit2297+30−3046.3%+27.426.6%379
50.9%
296‑298Sungorus 1.4 64-bit2297+18−1847.1%+21.422.3%1197
60.8%
299Dumb 1.3 64-bit2293+21−2150.9%−6.324.1%772
58.9%
300‑301Chaturanga 2.4.32290+19−1949.4%+1.526.5%1027
49.2%
300‑301Matilde 2008 64-bit2290+21−2148.8%+7.929.0%778
68.9%
302AliChess 4.252283+19−1948.4%+9.824.4%1006
74.0%
303Chispa 4.0.32274+17−1749.5%+5.427.1%1180
63.5%
304CeeChess 1.3.2 64-bit2269+25−2546.6%+26.324.9%559
53.3%
305Ayito 0.2.9942268+20−2049.1%+4.222.3%934
77.4%
306Protej 0.5.8c2257+19−1948.5%+10.922.3%1017
59.0%
307Esc 1.162254+22−2247.4%+17.626.2%749
50.6%
308RattateChess 1.0 Nosferatu2253+18−1949.9%+1.127.8%1036
53.8%
309Exacto 0.e 64-bit2252+18−1848.9%+7.832.6%1063
57.3%
310Beowulf 2.4a 64-bit2250+18−1849.6%+0.726.4%1075
61.5%
311Mango Paola Ajedrez 4.12246+19−1948.2%+13.226.4%1017
61.3%
312Weini 0.0.23 64-bit2242+19−1948.7%+9.817.3%1115
58.5%
313Feuerstein 0.4.6.12239+19−1949.1%+5.728.5%944
53.0%
314Atak 6.82238+16−1650.8%−5.822.9%1450
59.2%
315‑316Buzz 0.08 64-bit2235+20−2048.4%+12.123.5%910
48.0%
315‑316RamJet 0.132235+19−1952.4%−17.426.7%983
63.3%
317‑318Dolphin 1.0 64-bit2231+18−1849.0%+5.324.5%1075
50.4%
317‑318KMTChess 1.2.1 64-bit2231+25−2549.0%+5.424.7%592
51.9%
319SpaceDog 0.97.7 64-bit2230+22−2245.9%+29.324.3%734
63.8%
320Tiny Chess 1.46 64-bit2225+19−1949.0%+5.927.9%1020
61.9%
321Robocide 20170718 64-bit2221+17−1748.4%+11.724.7%1244
56.7%
322Uralochka 1.1b2219+18−1848.9%+8.026.0%1090
60.4%
323‑324Joker2 0.7.7 64-bit2215+20−2047.6%+16.832.6%880
50.2%
323‑324OBender 03.2016 64-bit2215+18−1850.1%−2.524.1%1110
51.4%
325‑327ChessKISS 1.7c 64-bit2214+19−1948.6%+10.627.2%1005
51.2%
325‑327Madeleine 0.22214+22−2246.1%+27.223.3%737
50.7%
325‑327Neurosis 2.32214+25−2549.6%−0.126.0%585
56.5%
328‑329Adam 3.32211+19−1949.4%+3.822.5%1019
50.5%
328‑329ZCT 0.3.24512211+27−2749.4%+3.925.5%478
60.5%
330Latista (Sinobyl) 1.52206+22−2248.6%+8.224.4%729
52.4%
331Baislicka 1.0 64-bit2205+19−1947.3%+20.025.5%962
55.5%
332ChessAlex 2.0r42203+20−2046.9%+21.027.3%872
52.3%
333BlackBishop 1.02202+19−1948.8%+9.927.1%1039
57.9%
334‑335Dorpsgek Eve's Temptation 64-bit2200+14−1448.8%+8.924.0%1953
50.7%
334‑335MORA 1.0.02200+27−2752.3%−15.728.3%488
51.8%
336Achillees 1.0 64-bit2199+27−2742.9%+56.920.0%526
56.8%
337Alf 1.092196+23−2349.4%+0.531.1%634
56.7%
338Alarm 0.93.12193+21−2145.1%+43.519.0%880
53.1%
339Embla 2.0.7 64-bit2192+30−3048.6%+10.027.0%396
50.4%
340NG-Play 9.85 64-bit2191+29−2946.1%+28.327.3%410
53.1%
341GopherCheck 0.2.3 64-bit2190+18−1849.0%+7.031.4%1011
59.8%
342NagaSkaki 5.122187+17−1751.2%−8.826.5%1265
65.7%
343Lime 662182+17−1752.0%−18.820.3%1377
55.2%
344Terra 3.42180+24−2449.0%+13.117.3%718
54.6%
345‑346Prophet 2.0 64-bit2178+27−2750.1%−2.225.1%466
50.0%
345‑346Soldat III 0.187 64-bit2178+21−2148.0%+14.726.3%813
67.8%
347Clever Girl r160 64-bit2171+21−2147.6%+13.724.2%842
62.2%
348Kurt 0.9.2.2 64-bit2166+21−2147.7%+18.024.2%828
58.6%
349‑350Chesley r323 64-bit2163+22−2248.1%+14.320.8%804
48.2%
349‑350ProChess 1.02AD2163+19−1948.4%+7.222.1%1043
53.2%
351Micah 1.0 64-bit2162+25−2544.0%+45.725.4%566
72.9%
352KnockOut 0.7.12153+15−1551.1%−8.126.6%1574
80.9%
353Blitzkrieg rev337 64-bit2142+19−1946.9%+22.626.4%1013
63.5%
354Parrot 07.01.162136+31−3146.6%+25.321.1%394
80.1%
355BikJump 2.01 64-bit2120+19−1948.8%+8.924.4%965
59.2%
356Clarabit 1.00 32-bit2116+22−2247.6%+14.429.9%736
62.6%
357Cinnamon 2.2a 64-bit2111+20−2048.7%+10.125.3%912
61.0%
358King's Out 0.2.42 64-bit2107+22−2248.8%+10.216.6%800
60.7%
359Armageddon 2.3082102+25−2456.6%−54.620.2%678
70.8%
360Bodo 0.2b2093+22−2247.8%+16.320.9%786
67.4%
361‑362Freyr 1.068 64-bit2086+21−2158.3%−63.620.6%859
48.8%
361‑362Gunborg 1.35 64-bit2086+21−2152.2%−6.727.9%806
66.3%
363‑364Small Potato 0.7.0 64-bit2080+21−2153.6%−29.421.3%873
51.1%
363‑364Smash 1.0.3a 64-bit2080+22−2247.9%+16.923.0%768
52.4%
365AdroitChess 0.42079+22−2256.0%−56.315.3%858
52.1%
366Jabba 1.0 64-bit2078+22−2244.9%+38.621.8%751
51.6%
367BigLion 2.23w2077+21−2146.2%+25.323.3%840
56.5%
368Little Wing 0.6.0 64-bit2074+33−3338.8%+86.817.4%356
63.6%
369Matant 5.042067+22−2260.5%−84.122.9%827
71.9%
370Vice 1.0 64-bit2057+25−2549.7%+3.220.7%608
53.0%
371Zeta Dva 0301 64-bit2055+28−2849.0%+10.129.4%446
62.4%
372‑373Ecce 1.0 (rev. 508) 64-bit2050+21−2147.1%+23.318.4%901
49.8%
372‑373Goldfish 1.13.0 64-bit2050+20−2049.9%+2.327.0%870
55.2%
374PLP 16615712048+22−2246.2%+27.324.2%768
55.8%
375Squared-chess 1.3.0 64-bit2046+23−2352.4%−18.521.9%736
53.3%
376‑377Monarch 1.72044+17−1748.2%+19.019.0%1363
50.4%
376‑377Mustang 4.972044+26−2644.7%+36.530.8%533
54.4%
378Matheus 2.32042+23−2345.0%+44.522.8%705
71.8%
379Abbess 2018.02.072033+22−2146.7%+26.019.4%840
53.2%
380ChessMind 0.822032+23−2346.0%+30.019.2%744
55.1%
381Schola 1.1.0 64-bit2030+22−2249.4%+3.823.1%780
53.6%
382‑383Bestia 0.902028+28−2851.4%−6.824.3%469
50.9%
382‑383Faile 1.4.42028+23−2355.2%−28.622.1%774
51.7%
384Arabian Knight 1.55 64-bit2027+25−2546.5%+27.819.4%608
52.4%
385‑386Slibo 0.5.12026+26−2645.5%+33.319.4%573
49.7%
385‑386Wuttang r2 64-bit2026+18−1848.2%+10.422.6%1204
51.7%
387Cupcake 1.1a 64-bit2025+22−2250.5%−3.016.4%804
81.7%
388Bubble 1.52012+19−1943.6%+53.220.5%1101
76.9%
389La Dame Blanche 2.0c2003+15−1550.1%−1.118.7%1766
55.7%
390BibiChess 0.52001+24−2445.7%+31.226.5%607
50.7%
391Oberon 0.042000+24−2451.9%−14.819.4%648
55.4%
392Snowy 0.2 64-bit1998+26−2651.5%−12.319.0%554
54.0%
393BSC 3.91995+37−3745.1%+38.524.0%263
58.7%
394ALChess 1.841990+23−2352.8%−21.926.8%672
69.0%
395Heracles 0.6.161983+19−1947.8%+15.926.8%1034
86.5%
396Dabbaba 5.671965+25−2545.5%+33.226.4%557
53.1%
397BeLL 0.0.41 64-bit1963+22−2250.1%−0.224.5%722
64.3%
398Sissa 2.01958+23−2353.1%−23.130.1%678
55.2%
399Monik 2.2.3 32-bit1955+30−3044.4%+39.327.1%395
53.8%
400Wowl 1.3.81953+26−2745.4%+35.413.3%573
60.0%
401Etude 0.1.21949+22−2250.3%−2.724.5%772
56.2%
402Franky 1.0 64-bit1946+25−2548.8%+7.813.3%640
57.9%
403Micro-Max 4.8 (DM-PII)1943+20−2048.3%+12.326.1%865
59.9%
404MatMoi 7.15.0-cct 32-bit1939+25−2642.7%+54.824.5%568
61.1%
405Eia 0.31934+20−2047.1%+22.424.4%914
83.6%
406Presbyter 1.3.0 64-bit1918+25−2542.2%+55.416.5%638
62.4%
407Clueless 1.41913+18−1843.0%+55.715.3%1232
62.4%
408Reger 0.091908+20−2040.7%+71.122.3%924
56.3%
409Warrior 1.0.31906+19−1944.5%+40.822.5%1072
61.7%
410ChessterfieldCL i5a1901+24−2540.6%+73.920.4%657
56.0%
411Deepov 0.4.1 64-bit1899+24−2444.1%+46.017.3%677
61.1%
412Surprise 4.3b131894+22−2339.5%+81.919.4%768
54.1%
413Sapeli 1.02 64-bit1892+21−2247.9%+15.620.4%796
69.9%
414MOBMAT 0.903d 64-bit1884+25−2537.5%+109.816.0%668
56.8%
415GChess IV 0.2.01881+21−2141.2%+64.828.8%855
58.1%
416CDrill 1800 build 41878+23−2441.4%+72.715.5%741
77.4%
417Predateur 2.2 64-bit1859+41−4239.6%+79.618.1%216
76.6%
418Skiull 0.3 64-bit1841+23−2445.2%+35.324.8%660
53.9%
419‑420BeRoChess 1.00 32-bit1838+37−3837.4%+99.022.9%266
50.8%
419‑420Sayuri 2018.03.06 64-bit1838+26−2642.8%+56.916.0%600
52.4%
421Roce 0.03901837+27−2743.4%+49.720.4%539
51.2%
422Pigeon 1.5.1 64-bit1836+27−2740.5%+70.226.1%502
58.5%
423‑424Ajedrez Tactico 2.73b1832+26−2642.4%+62.118.6%598
51.2%
423‑424JSBam 0.521832+30−2881.9%−269.215.7%626
59.3%
425Apollo 1.2.1 64-bit1827+22−2254.3%−34.219.0%832
73.3%
426Chenard 2018.03.06 64-bit1818+19−1949.3%+5.217.0%1143
58.8%
427RataAeroespacial 0.2.11815+13−1342.5%+64.412.9%2478
58.8%
428Ranita 2.41812+26−2648.7%+4.816.2%653
78.8%
429Lodocase 2402081797+27−2753.8%−26.115.6%546
63.7%
430Robin 0.9831790+28−2851.0%−9.613.3%566
51.5%
431Ziggurat 0.18 64-bit1789+42−4329.3%+160.724.3%222
53.7%
432Mint 2.31786+27−2757.7%−63.320.1%556
51.8%
433Grizzly 1.40.1b1785+27−2756.0%−49.110.3%592
92.5%
434Pulsar 2009-9b1759+24−2449.9%−5.622.6%694
60.0%
435Zoidberg 0.11754+26−2654.9%−42.317.9%592
89.3%
436Enigma 1.1.41736+15−1541.8%+67.417.1%1840
64.5%
437Kanguruh 1.931730+23−2352.4%−16.319.4%754
88.0%
438Shallow Blue 2.0.0 64-bit1712+22−2252.1%−20.318.6%776
83.6%
439Tom Thumb 0.2 64-bit1697+19−1951.8%−14.322.7%1020
54.9%
440Laurifer 1.01695+23−2352.3%−20.117.0%777
54.4%
441EnkoChess 2908181694+23−2350.3%−1.718.5%731
53.9%
442TSCP 1.811692+19−1947.4%+21.617.0%1072
70.2%
443AdaChess 3.4 64-bit1684+23−2349.3%+7.121.5%708
69.9%
444Spartan 1.01674+25−2563.5%−103.021.2%624
67.4%
445Philemon C1667+25−2562.3%−95.422.0%626
59.4%
446VanillaChess 2.6g1662+25−2561.5%−88.820.2%624
99.1%
447SdBC 0.5.15.11622+24−2456.6%−48.127.2%624
59.0%
448Rainman 0.7.51618+24−2456.0%−44.325.2%624
57.4%
449Pulse 1.6.1 64-bit1615+21−2142.4%+65.914.3%928
83.0%
450Monochrome1601+17−1749.3%+10.528.8%1300
62.8%
451Bullitchess 1.0 64-bit1597+25−2452.2%−19.719.1%628
69.8%
452Needle 0.5311589+16−1648.8%+18.727.2%1418
75.4%
453Casper rev4 64-bit1579+24−2450.2%−2.823.9%624
60.5%
454PolarChess 1.31574+25−2549.3%+3.316.9%629
56.3%
455‑456Darky 0.5d1571+24−2443.5%+56.020.8%677
49.7%
455‑456Storm 0.61571+21−2138.3%+95.015.0%925
74.3%
457Damas 91560+25−2547.8%+16.917.6%626
76.1%
458IQ23.0031547+21−2133.6%+118.432.6%854
72.6%
459Cicada 0.1 64-bit1536+24−2544.1%+48.419.7%636
65.6%
460MSCP 1.6h1529+25−2544.0%+50.815.1%628
99.8%
461Apep 1.011479+25−2541.2%+72.010.1%683
79.1%
462Saruman 2017.08.10 64-bit1466+18−1830.7%+151.827.2%1249
95.8%
463Pooky 2.71439+26−2631.5%+144.617.1%626
75.7%
464Dreamer 0.3.0 64-bit1426+25−2633.9%+121.616.9%640
96.5%
465Hokus-Pokus 0.6.31389+27−2826.7%+197.611.0%628
72.5%
466BACE 0.461378+23−2421.5%+257.09.8%1027
 

Results matrix

All engines (top 12, best versions only)
#NameElo1
Stock
2
Fat F
3
Drago
4
Houdi
5
SlowC
6
Ether
7
Fire
8
Nemor
9
Igel
10
Xipho
11
Pedon
12
RofCh
1Stockfish 2021-01-11 64-bit 4CPU3554 16 − 16
+2−2=28
−26		30.5 − 19.5
+11−0=39
+4		40.5 − 9.5
+31−0=19
+51		 39 − 11
+28−0=22
+21		42.5 − 11.5
+31−0=23
+23		36.5 − 13.5
+23−0=27
−31		35 − 15
+21−1=28
−70		43 − 7
+36−0=14
+46		41.5 − 8.5
+33−0=17
−12		41.5 − 8.5
+33−0=17
−12
2Fat Fritz 2 (in SF) 64-bit 4CPU352816 − 16
+2−2=28
+26		 19.5 − 14.5
+6−1=27
+10		23 − 11
+13−1=20
−26		22 − 10
+13−1=18
−21		25.5 − 8.5
+17−0=17
+21		41.5 − 12.5
+29−0=25
+32		22 − 10
+12−0=20
−35		39.5 − 12.5
+27−0=25
0		26.5 − 5.5
+21−0=11
+32		26.5 − 5.5
+21−0=11
+9		25 − 7
+19−1=12
−29
3Dragon by Komodo 64-bit 4CPU350119.5 − 30.5
+0−11=39
−4		14.5 − 19.5
+1−6=27
−10		 25 − 9
+16−0=18
+38		22.5 − 11.5
+11−0=23
−13		45.5 − 30.5
+18−3=55
−51		35.5 − 18.5
+17−0=37
−23		22.5 − 9.5
+13−0=19
+3		66 − 20
+46−0=40
+34		29 − 5
+24−0=10
+91		26.5 − 5.5
+21−0=11
+37		25 − 7
+18−0=14
−8
4Houdini 6 64-bit 4CPU33999.5 − 40.5
+0−31=19
−51		11 − 23
+1−13=20
+26		9 − 25
+0−16=18
−38		 14 − 12
+3−1=22
+19		15.5 − 14.5
+4−3=23
+5		27.5 − 26.5
+6−5=43
−1		17.5 − 14.5
+5−2=25
+10		22.5 − 15.5
+11−4=23
+20		20.5 − 11.5
+12−3=17
+18		21.5 − 10.5
+11−0=21
+5		20.5 − 11.5
+9−0=23
−12
5SlowChess Blitz 2.5 64-bit 4CPU3399 10 − 22
+1−13=18
+21		11.5 − 22.5
+0−11=23
+13		12 − 14
+1−3=22
−19		 14.5 − 13.5
+6−5=17
+7		27 − 27
+8−8=38
−5		15 − 11
+4−0=22
+25		23.5 − 15.5
+11−3=25
+27		15 − 11
+5−1=20
−24		17 − 9
+8−0=18
−4		19 − 7
+14−2=10
+63
6Ethereal 12.75 64-bit 4CPU339611 − 39
+0−28=22
−21		8.5 − 25.5
+0−17=17
−21		30.5 − 45.5
+3−18=55
+51		14.5 − 15.5
+3−4=23
−5		13.5 − 14.5
+5−6=17
−7		 26.5 − 27.5
+7−8=39
−8		17 − 15
+5−3=24
+4		21.5 − 18.5
+10−7=23
−7		17.5 − 12.5
+6−1=23
−20		20 − 12
+9−1=22
−16		19 − 11
+9−1=20
−12
7Fire 8 64-bit 4CPU339311.5 − 42.5
+0−31=23
−23		12.5 − 41.5
+0−29=25
−32		18.5 − 35.5
+0−17=37
+23		26.5 − 27.5
+5−6=43
+1		27 − 27
+8−8=38
+5		27.5 − 26.5
+8−7=39
+8		 24.5 − 27.5
+6−9=37
−22		28.5 − 23.5
+10−5=37
0		34.5 − 17.5
+18−1=33
+29		34 − 18
+17−1=34
0		35.5 − 16.5
+20−1=31
+20
8Nemorino 6.00 64-bit 4CPU338613.5 − 36.5
+0−23=27
+31		10 − 22
+0−12=20
+35		9.5 − 22.5
+0−13=19
−3		14.5 − 17.5
+2−5=25
−10		11 − 15
+0−4=22
−25		15 − 17
+3−5=24
−4		27.5 − 24.5
+9−6=37
+22		 21 − 16
+7−2=28
+16		19 − 13
+8−2=22
−3		18.5 − 13.5
+8−3=21
−31		21 − 11
+13−3=16
+18
9Igel 2.9.0 64-bit 4CPU336715 − 35
+1−21=28
+70		12.5 − 39.5
+0−27=25
0		20 − 66
+0−46=40
−34		15.5 − 22.5
+4−11=23
−20		15.5 − 23.5
+3−11=25
−27		18.5 − 21.5
+7−10=23
+7		23.5 − 28.5
+5−10=37
0		16 − 21
+2−7=28
−16		 21.5 − 16.5
+7−2=29
0		20 − 18
+6−4=28
−42		23.5 − 14.5
+13−4=21
+14
10Xiphos 0.6 64-bit 4CPU33337 − 43
+0−36=14
−46		5.5 − 26.5
+0−21=11
−32		5 − 29
+0−24=10
−91		11.5 − 20.5
+3−12=17
−18		11 − 15
+1−5=20
+24		12.5 − 17.5
+1−6=23
+20		17.5 − 34.5
+1−18=33
−29		13 − 19
+2−8=22
+3		16.5 − 21.5
+2−7=29
0		 19 − 13
+9−3=20
+27		16 − 16
+4−4=24
−23
11Pedone 3.0 64-bit 4CPU33118.5 − 41.5
+0−33=17
+12		5.5 − 26.5
+0−21=11
−9		5.5 − 26.5
+0−21=11
−37		10.5 − 21.5
+0−11=21
−5		9 − 17
+0−8=18
+4		12 − 20
+1−9=22
+16		18 − 34
+1−17=34
0		13.5 − 18.5
+3−8=21
+31		18 − 20
+4−6=28
+42		13 − 19
+3−9=20
−27		 17 − 15
+7−5=20
+15
12RofChade 2.3 64-bit 4CPU33118.5 − 41.5
+0−33=17
+12		7 − 25
+1−19=12
+29		7 − 25
+0−18=14
+8		11.5 − 20.5
+0−9=23
+12		7 − 19
+2−14=10
−63		11 − 19
+1−9=20
+12		16.5 − 35.5
+1−20=31
−20		11 − 21
+3−13=16
−18		14.5 − 23.5
+4−13=21
−14		16 − 16
+4−4=24
+23		15 − 17
+5−7=20
−15		 
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)
#NameElo1
Sto
2
Fat
3
Dra
4
Hou
5
Slo
6
Eth
7
Fir
8
Nem
9
Ige
10
Xip
11
Ped
12
Rof
1Stockfish 2021-01-11 64-bit 4CPU3554 96.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Fat Fritz 2 (in SF) 64-bit 4CPU35284.0 97.7100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Dragon by Komodo 64-bit 4CPU35010.02.3 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Houdini 6 64-bit 4CPU33990.00.00.0 49.763.669.288.699.9100.0100.0100.0
5SlowChess Blitz 2.5 64-bit 4CPU33990.00.00.050.3 60.266.081.798.9100.0100.0100.0
6Ethereal 12.75 64-bit 4CPU33960.00.00.036.439.8 57.577.599.1100.0100.0100.0
7Fire 8 64-bit 4CPU33930.00.00.030.834.042.5 69.297.5100.0100.0100.0
8Nemorino 6.00 64-bit 4CPU33860.00.00.011.418.322.530.8 93.8100.0100.0100.0
9Igel 2.9.0 64-bit 4CPU33670.00.00.00.11.10.92.56.2 99.8100.0100.0
10Xiphos 0.6 64-bit 4CPU33330.00.00.00.00.00.00.00.00.2 95.598.3
11Pedone 3.0 64-bit 4CPU33110.00.00.00.00.00.00.00.00.04.5 50.3
12RofChade 2.3 64-bit 4CPU33110.00.00.00.00.00.00.00.00.01.749.7 
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

1'221'210 games (229.23 MB)

All games with comments

1'221'210 games (711.74 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 3, 2021