CCRL 40/40
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 821'008 games
played by 2'134 programs
114427 CPU days (X2 4600+)

White wins: 281'674 (34.3%)
Black wins: 208'551 (25.4%)
Draws: 330'783 (40.3%)
White score: 54.5%

Rating list

CCRL 40/40 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Computed on April 21, 2018 with Bayeselo based on 821'008 games

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 9 64-bit 4CPU3444+18−1873.4%−165.148.0%1040 
99.8%
2‑3Houdini 6 64-bit 4CPU3407+18−1866.2%−106.156.1%927
50.0%
2‑3Komodo 11.3.1 64-bit 4CPU3407+22−2171.8%−147.748.0%710
100.0%
4Fire 6.1 64-bit 4CPU3296+18−1849.5%+1.458.2%878
66.6%
5Deep Shredder 13 64-bit 4CPU3291+14−1451.0%−7.361.9%1409
75.8%
6Fizbo 2 64-bit 4CPU3282+21−2146.7%+19.154.6%674
98.3%
7Andscacs 0.921 64-bit 4CPU3252+19−1955.6%−40.647.3%913
98.3%
8Booot 6.2 64-bit 4CPU3226+16−1641.8%+53.159.7%1204
98.4%
9Fritz 16 64-bit 4CPU3203+14−1452.9%−15.944.2%1682
59.0%
10Chiron 4 64-bit 4CPU3201+15−1539.7%+68.651.1%1358
79.8%
11NirvanaChess 2.4 64-bit 4CPU3192+17−1738.6%+73.752.9%1076
62.1%
12Gull 3 64-bit 4CPU3188+10−1042.4%+48.954.6%3217
82.2%
13Equinox 3.20 64-bit 4CPU3182+11−1141.0%+58.059.4%2384
99.3%
14Critter 1.6a 64-bit 4CPU3165+8−845.7%+29.255.0%5327
67.5%
15Hannibal 1.7 64-bit 4CPU3161+15−1540.5%+59.854.7%1299
74.5%
16Bouquet 1.8 64-bit 4CPU3155+11−1143.6%+40.956.7%2427
63.0%
17Rybka 4 64-bit 4CPU3152+10−1048.7%+7.551.0%3180
58.9%
18Texel 1.07 64-bit 4CPU3150+16−1649.0%+9.747.7%1232
56.5%
19Laser 1.5 64-bit 4CPU3148+22−2248.1%+17.154.3%587
63.1%
20‑21Alfil 15.7 64-bit 4CPU3143+18−1742.6%+50.155.9%974
47.4%
20‑21Protector 1.9.0 64-bit 4CPU3143+16−1546.3%+26.254.3%1253
92.2%
22BlackMamba 2.0 64-bit 4CPU3128+15−1544.2%+38.154.3%1408
60.4%
23Senpai 2.0 64-bit 4CPU3124+26−2652.3%−15.048.6%432
53.2%
24Arasan 20.4.1 64-bit 4CPU3122+29−2951.2%−6.751.4%346
84.5%
25Strelka 5.5 64-bit3107+7−746.8%+23.650.2%7903
50.8%
26ChessBrainVB 3.66 4CPU3106+29−2954.1%−25.948.6%362
58.3%
27Nemorino 4.00 64-bit 4CPU3102+23−2349.7%+2.752.1%532
56.6%
28Naum 4.6 64-bit 4CPU3100+14−1448.1%+11.754.3%1544
63.7%
29Pedone 1.7 64-bit 4CPU3095+21−2147.2%+16.657.0%635
90.8%
30Rodent III 0.238 64-bit 4CPU3076+21−2148.0%+9.550.1%690
61.9%
31Defenchess (SCTR) 1.1f 64-bit 4CPU3071+22−2255.6%−36.643.8%626
83.0%
32Hiarcs 14 4CPU3058+13−1342.5%+45.351.1%1852
59.6%
33Ethereal 9.00 64-bit 4CPU3054+24−2448.2%+9.945.4%540
66.6%
34Vajolet2 2.4 64-bit 4CPU3048+19−1947.2%+17.945.7%878
64.4%
35Wasp 2.6 64-bit 4CPU3043+18−1848.2%+12.447.3%938
55.9%
36iCE 3.0 64-bit3041+12−1249.9%−0.348.4%2111
61.9%
37Bobcat 8.0 64-bit 4CPU3037+24−2549.5%+4.054.7%470
60.7%
38SmarThink 1.98 64-bit3032+22−2253.6%−25.743.0%670
54.0%
39Deep Junior 13 64-bit 4CPU3031+16−1643.5%+40.349.9%1161
71.5%
40Crafty 25.2 64-bit 4CPU3023+19−1949.0%+6.144.8%820
59.7%
41Spike 1.4 Leiden 4CPU3020+11−1145.2%+29.347.6%2863
86.7%
42Cheng 4.39 64-bit 4CPU3009+17−1749.1%+5.049.7%1048
93.1%
43Hakkapeliitta TCEC v2 64-bit2988+20−2048.6%+3.641.8%840
58.8%
44Xiphos 0.1 64-bit2985+20−2049.4%+4.347.6%757
63.8%
45EXchess 7.97b 64-bit 4CPU2980+20−2047.9%+14.446.9%779
73.7%
46Spark 1.0 64-bit 4CPU2972+13−1345.0%+32.346.6%1787
54.4%
47Zappa Mexico II 64-bit 4CPU2971+10−1048.3%+9.548.1%3270
62.3%
48Demolito 2017-08-26 64-bit 4CPU2967+21−2140.2%+63.940.8%748
92.5%
49Scorpio 2.7.9 64-bit 4CPU2945+22−2246.1%+24.841.0%629
60.4%
50‑51Deep Sjeng c't 20102942+10−1046.1%+24.446.0%3270
50.5%
50‑51Gaviota 1.0 64-bit 4CPU2942+17−1747.4%+15.644.9%1108
69.2%
52Onno 1.2.70 64-bit 4CPU2935+20−2047.5%+15.747.7%794
60.5%
53chess22k 1.8 64-bit2931+21−2147.8%+15.244.2%731
53.3%
54Thinker 5.4d Inert 64-bit 4CPU2930+23−2346.9%+17.550.4%557
60.4%
55Toga II 3.0 4CPU2925+23−2346.4%+22.748.4%562
57.6%
56DisasterArea 1.65 64-bit 4CPU2922+26−2645.3%+28.150.8%427
51.6%
57Amoeba 2.8 64-bit2921+21−2144.7%+35.043.1%699
88.9%
58‑59Quazar 0.4 64-bit2906+11−1149.2%+5.743.5%2745
51.7%
58‑59The Baron 3.41 64-bit 4CPU2906+20−2138.4%+75.644.5%768
61.4%
60DiscoCheck 5.2 64-bit2902+18−1848.6%+8.243.2%1012
60.7%
61‑62Bright 0.4a 4CPU2898+15−1547.4%+17.441.1%1495
49.9%
61‑62Tornado 6.0 64-bit 4CPU2898+26−2645.1%+30.343.5%453
67.5%
63Deuterium 14.3.34.130 64-bit2891+12−1247.7%+14.047.4%2064
55.7%
64Octochess r5506 64-bit 4CPU2890+24−2445.0%+32.645.9%549
56.1%
65MinkoChess 1.3 64-bit 4CPU2887+21−2146.0%+24.543.7%725
65.3%
66Atlas 3.91 64-bit2880+25−2548.1%+12.044.9%506
95.4%
67Dirty 30Apr2017 64-bit2855+17−1748.6%+8.144.7%1039
65.8%
68Loop M1-T 64-bit 4CPU2851+12−1243.2%+42.745.2%2447
62.9%
69Nemo 1.0.1 64-bit2847+13−1348.5%+9.343.9%1966
70.8%
70BugChess2 1.9 64-bit 4CPU2840+23−2344.5%+36.640.2%594
71.4%
71Tucano 7.00 64-bit2830+26−2653.7%−31.841.7%456
63.8%
72Murka 3 64-bit2824+13−1348.4%+9.444.0%1929
52.2%
73Jonny 4.00 4CPU2823+28−2842.5%+50.535.6%413
51.9%
74Zurichess Neuchatel 64-bit2822+21−2146.8%+20.143.0%726
80.6%
75GNU Chess 5.60 64-bit2810+18−1848.7%+7.041.6%947
86.2%
76Rhetoric 1.4.3 64-bit2798+14−1449.2%+4.042.8%1657
62.4%
77GnuCheese 1.00 64-bit2794+16−1649.8%−0.540.7%1237
54.4%
78RuyDos 1.1.0 64-bit2792+29−2951.3%−8.240.3%385
78.0%
79Pawny 1.2 64-bit2780+15−1547.6%+14.540.0%1404
63.7%
80Naraku 1.42776+16−1649.0%+6.726.1%1324
54.6%
81Frenzee 3.5.19 64-bit2775+15−1549.0%+5.335.1%1536
83.4%
82Twisted Logic 20100131x 64-bit2764+17−1749.4%+0.935.4%1140
75.4%
83Bison 9.11 64-bit2755+16−1648.6%+8.735.1%1270
57.6%
84Ktulu 92753+13−1346.7%+21.538.9%2112
91.6%
85Chronos 1.9.9 32-bit2739+17−1750.2%+0.443.2%1162
57.4%
86Carballo 1.7 64-bit2737+19−1851.1%−7.140.9%948
52.5%
87Marvin 3.0.0 64-bit2735+31−3153.8%−25.835.0%331
66.5%
88ProDeo 2.22728+19−1849.4%+2.537.0%964
53.6%
89Godel 3.4.9 64-bit2727+14−1449.5%+2.835.5%1773
52.4%
90Nebula 2.0 64-bit 4CPU2726+29−2946.2%+27.336.6%391
68.4%
91Shield 2.0 64-bit2715+29−2949.1%+0.828.7%432
65.1%
92Cheese 1.9 64-bit2708+19−1949.0%+9.039.9%930
67.2%
93Chess Tiger 2007.12703+10−1046.2%+25.042.8%3219
59.8%
94Chessmaster 11 Aiglos II2700+20−2046.4%+23.840.5%814
55.2%
95Devel 2.00002698+30−3047.6%+16.543.8%338
51.8%
96WyldChess 1.51 64-bit2697+20−2050.4%−7.036.7%791
80.3%
97Delfi 5.42687+12−1247.4%+16.640.1%2489
52.7%
98Gogobello 1.4 64-bit2686+26−2652.0%−11.237.5%472
65.0%
99Arminius 2017-01-01 64-bit2680+19−1950.7%−5.335.0%904
55.0%
100Daydreamer 1.75 64-bit2678+17−1748.9%+7.839.8%1145
67.1%
101RedQueen 1.1.3 64-bit2670+29−2948.8%+6.631.0%390
60.6%
102‑103Movei 00.8.438 (10 10 10)2666+11−1247.3%+15.737.4%2693
49.2%
102‑103Pharaon 3.5.1 4CPU2666+30−3039.4%+71.731.9%376
54.7%
104Djinn 1.021 64-bit2664+15−1549.5%+2.936.5%1573
65.0%
105Floyd 0.9 64-bit2660+18−1851.2%−9.431.7%1117
55.5%
106Alaric 7072658+12−1249.1%+6.334.3%2596
73.8%
107Philou 3.7.1 64-bit2652+14−1449.1%+5.338.2%1686
54.0%
108Cyrano 0.6b17 64-bit2651+24−2449.0%+5.537.1%585
57.4%
109‑110E.T. Chess 13.01.082648+14−1449.2%+5.236.7%1798
52.2%
109‑110ECE X3 64-bit2648+22−2245.2%+33.428.6%770
55.6%
111Ghost 3.1 64-bit 4CPU2644+39−3951.6%−8.431.7%221
52.5%
112‑113Colossus 2008b2643+13−1349.4%+1.538.2%2093
48.6%
112‑113GreKo 2018.01 64-bit2643+29−2952.1%−16.031.6%414
54.4%
114Rotor 0.7a2641+23−2350.4%−4.635.0%632
58.7%
115Slow Chess Blitz WV2.12638+12−1248.2%+12.137.1%2543
59.2%
116Counter 2.6 64-bit2634+28−2854.0%−25.831.8%422
53.0%
117Gandalf 7 64-bit2633+24−2443.7%+41.233.5%594
55.5%
118Sjakk 2.2 64-bit2631+16−1649.4%+2.739.2%1289
60.1%
119WildCat 82628+14−1449.1%+5.435.3%1801
56.5%
120‑121Hamsters 0.72626+24−2449.2%+6.237.4%561
49.0%
120‑121Rodin 8.02626+16−1649.1%+5.138.9%1257
59.5%
122NoraGrace 2.0 64-bit2624+17−1751.6%−14.027.4%1305
55.6%
123Ruffian 2.1.02622+13−1348.4%+11.337.8%1984
75.0%
124DanaSah 7.02611+28−2852.0%−15.438.1%415
52.1%
125‑126Phalanx XXV2610+16−1648.9%+7.232.4%1287
52.4%
125‑126Sloppy 0.2.2 64-bit2610+18−1849.4%+2.432.6%1068
69.4%
127Donna 4.0 64-bit2603+16−1650.2%−1.237.4%1215
74.1%
128Aristarch 4.502597+12−1248.1%+13.632.2%2397
58.2%
129Glass 2.0 64-bit2595+16−1649.2%+4.634.9%1291
52.2%
130Petir 4.392594+22−2248.9%+4.236.7%664
52.5%
131Monolith 0.4 64-bit2593+30−3053.5%−24.937.0%357
52.6%
132‑133Muse 0.953 64-bit2591+17−1848.9%+7.433.7%1104
51.5%
132‑133N2 0.4 64-bit2591+16−1650.1%−1.335.4%1284
52.5%
134‑135Amyan 1.722590+13−1350.9%−6.131.5%2133
49.2%
134‑135Pseudo 0.7c2590+13−1350.3%−1.837.7%1912
53.6%
136‑137CuckooChess 1.12 32-bit2589+26−2648.3%+12.730.3%495
51.0%
136‑137tomitankChess 1.5 64-bit2589+26−2652.1%−15.835.8%483
59.9%
138GarboChess 3.0 64-bit2585+17−1750.5%−5.532.0%1212
50.8%
139K2 0.872584+18−1848.6%+9.635.4%982
68.1%
140‑141Delocto 0.6 64-bit2577+26−2650.2%−0.340.8%480
50.2%
140‑141Jellyfish 1.1 64-bit2577+16−1649.6%+1.337.0%1239
56.1%
142Fridolin 2.0 64-bit 4CPU2573+38−3935.6%+100.831.8%233
55.2%
143Brutus 8.05 64-bit2570+26−2649.5%+1.234.9%478
61.5%
144Capivara LK 0.09b02f 64-bit2565+18−1849.6%+2.133.4%1098
57.7%
145SOS 5.12563+14−1448.4%+9.134.4%1852
53.0%
146Coiled 0.4 64-bit2562+19−1950.2%−5.831.4%1028
53.4%
147Schooner 1.8 64-bit2561+28−2852.0%−21.833.6%443
54.9%
148Francesca MAD 0.192559+15−1548.8%+7.733.8%1434
59.9%
149Anaconda 2.0.12555+27−2747.9%+11.735.2%458
50.6%
150JikChess 0.02 64-bit2554+17−1750.2%−1.327.7%1223
85.8%
151‑152Ufim 8.022543+13−1349.4%+1.831.1%2075
47.3%
151‑152nanoSzachy 4.0 64-bit2543+18−1949.5%+2.831.8%999
72.0%
153AnMon 5.662535+22−2249.1%+6.230.6%710
68.0%
154Hermann 2.8 64-bit2528+18−1850.0%+0.427.3%1093
73.6%
155Maverick 1.5 64-bit2520+17−1850.4%−4.631.5%1135
67.4%
156Nimzo 82512+27−2845.5%+33.632.2%453
55.6%
157Bagatur 1.5e 64-bit2510+27−2753.0%−21.536.2%464
56.0%
158MadChess 2.2 64-bit2507+22−2249.5%+2.136.3%648
52.9%
159‑162Betsabe II 1.752506+24−2452.1%−17.223.2%622
48.7%
159‑162CyberPagno 3.0 64-bit2506+19−1952.3%−18.629.8%983
49.3%
159‑162Little Goliath Evolution 3.122506+18−1846.6%+23.533.5%1023
52.4%
159‑162LittleThought 1.052 64-bit2506+18−1850.2%−3.026.1%1112
59.4%
163Tao 5.62503+17−1749.8%+1.527.5%1276
57.9%
164Dorky 4.5 64-bit2500+20−2048.9%+8.233.7%837
67.5%
165Delphil 3.2 64-bit2494+17−1749.1%+7.235.2%1197
52.0%
166Pepito 1.59 64-bit2493+18−1849.5%+1.435.3%1031
61.3%
167Pupsi2 0.092490+18−1848.8%+7.330.0%1127
57.6%
168Yace 0.99.872487+18−1849.8%+2.429.0%1127
53.1%
169Xpdnt 0910072486+16−1649.5%+3.031.7%1401
53.5%
170Jumbo 0.6.10 64-bit2485+26−2654.2%−32.730.2%504
51.9%
171Green Light Chess 3.01.2.22484+35−3548.5%+4.331.4%271
57.8%
172‑175Bruja 1.9.1 64-bit2480+18−1949.7%+2.026.7%1031
49.2%
172‑175Cerebro 3.03d2480+18−1849.8%−0.230.1%1083
51.2%
172‑175Matacz 1.42480+17−1750.3%−1.632.7%1180
51.0%
172‑175Trace 1.362480+21−2149.1%+5.726.5%789
50.8%
176‑178Anatoli 0.35k2479+16−1650.2%−2.431.8%1288
50.9%
176‑178BBChess 1.3b2479+25−2551.0%−6.438.1%525
49.1%
176‑178SpiderChess 0706032479+23−2250.1%+2.639.6%634
60.0%
179pikoSzachy 4.12475+29−2952.3%−16.230.8%412
54.0%
180Winter 0.1.1 64-bit2472+33−3448.4%+13.428.0%311
61.7%
181Quark 2.352467+18−1848.3%+10.528.8%1074
52.0%
182Drosophila 1.5.1 64-bit2466+29−2952.2%−18.929.4%411
63.7%
183Giraffe 20150908 64-bit2459+21−2151.0%−8.022.8%842
59.6%
184RubiChess 0.8 64-bit2455+31−3152.8%−20.937.5%344
58.7%
185Bumblebee 1.0 64-bit2450+26−2647.2%+18.135.0%505
57.8%
186Orion 0.4 64-bit2447+25−2551.3%−6.434.6%541
53.0%
187Eeyore 1.52 64-bit2446+18−1847.9%+13.327.7%1076
55.9%
188Hussar 0.42444+17−1748.9%+7.130.1%1159
50.9%
189Nemeton 1.512443+23−2349.7%+1.327.9%666
52.7%
190Shallow r694 64-bit2442+20−2051.2%−9.832.0%894
56.6%
191‑192Lozza 1.17a 64-bit2440+17−1748.2%+11.533.7%1114
51.3%
191‑192Typhoon 1.00-3482440+33−3448.4%+11.628.8%309
57.6%
193TJchess 1.3 64-bit2436+19−1948.3%+11.331.3%936
55.6%
194Abrok 5.02434+20−2149.3%+3.329.4%832
53.7%
195Snitch 1.6.2 32-bit2432+24−2447.7%+15.428.3%621
52.2%
196Bearded N44.5 64-bit2431+30−3047.8%+14.827.7%386
55.2%
197Homer 2.012429+20−2149.1%+5.432.6%803
66.7%
198PostModernist 10162423+20−2048.4%+8.629.0%913
51.3%
199RomiChess P3n 64-bit2422+23−2350.4%+0.139.2%610
52.3%
200Cmcchess 2.6 64-bit2421+18−1849.3%+4.637.0%999
59.0%
201KnightDreamer 3.32416+37−3748.8%+10.832.5%243
52.3%
202‑203Ares 1.005 64-bit2415+18−1947.2%+18.735.7%994
49.0%
202‑203Kiwi 0.6d 32-bit2415+20−2047.4%+16.627.3%901
61.9%
204Bitfoot 1.0.d9aeb43 64-bit2410+27−2748.0%+14.927.6%468
55.6%
205‑206Dragon 4.62408+18−1848.0%+13.633.3%1025
50.5%
205‑206Queen 4.032408+18−1848.6%+7.434.9%1034
51.1%
207‑209Diablo 0.5.12407+18−1848.6%+9.432.4%1036
50.7%
207‑209Gaia 3.5 32-bit2407+22−2248.9%+7.529.5%691
49.4%
207‑209Ifrit m1.8 64-bit2407+19−1949.4%+5.529.5%1020
58.5%
210Patzer 3.802404+21−2249.7%+3.324.4%778
55.2%
211Simplex 0.9.8 64-bit2402+19−1949.0%+5.324.7%1007
65.2%
212Amy 0.87b2396+25−2549.3%+7.825.6%583
59.8%
213Tigran 2.4n 64-bit2392+18−1848.5%+10.030.4%1108
57.0%
214Alex 2.14a 64-bit2390+19−1949.6%+2.729.8%1007
56.4%
215‑216Gosu 0.162388+19−1948.5%+9.927.6%947
49.2%
215‑216Waxman 20142388+21−2247.2%+18.931.8%738
52.1%
217‑218Amateur 2.822387+21−2148.0%+13.725.0%855
50.3%
217‑218Sorgenkind 0.42387+15−1551.1%−6.527.8%1621
54.3%
219Horizon 4.42386+18−1849.2%+4.326.3%1103
52.4%
220Thor's Hammer 2.28 32-bit2385+26−2649.6%+2.829.4%524
53.2%
221‑222Jazz 721 64-bit2384+21−2149.0%+5.527.6%779
50.0%
221‑222Sage 3.532384+18−1850.0%−0.127.7%1071
51.3%
223Myrddin 0.87 64-bit2383+17−1749.6%+2.730.9%1267
56.2%
224Comet B682381+21−2147.0%+22.525.8%840
63.0%
225Tytan 9.32376+23−2351.1%−8.225.3%679
52.8%
226OliThink 5.3.2 64-bit2375+18−1849.0%+7.025.6%1049
93.3%
227Plisk 0.2.7d 64-bit2352+24−2450.7%−5.428.7%595
53.0%
228Flux 2.2.12350+22−2250.1%−0.230.5%704
64.0%
229WChess 1.062343+32−3347.3%+16.433.0%315
57.2%
230‑231Arion 1.72340+19−1949.3%+4.526.9%1027
49.9%
230‑231Isa 2.0.64 64-bit2340+32−3344.6%+38.228.9%325
66.0%
232‑233Aice 0.99.22332+19−1948.4%+10.427.6%924
49.3%
232‑233Asterisk 0.62332+20−2049.2%+4.627.6%895
51.9%
234Amundsen 0.802331+19−1948.6%+11.231.6%915
52.1%
235‑237Butcher 1.61 64-bit2330+31−3148.5%+12.824.4%361
51.2%
235‑237Gibbon 2.60a 64-bit2330+23−2349.3%+2.931.4%671
50.6%
235‑237Popochin 4.0 64-bit2330+28−2852.2%−16.327.2%441
57.0%
238EveAnn 1.712326+32−3249.1%+8.334.3%332
51.0%
239FireFly 2.7.2 64-bit2325+24−2447.4%+15.732.3%579
60.2%
240Zeus 1.272320+29−2951.4%−15.925.5%427
53.4%
241Mediocre 0.42318+31−3149.6%+2.324.7%365
55.2%
242Averno 0.812316+21−2149.1%+6.329.2%824
56.6%
243Chezzz 1.0.32313+21−2149.9%−1.426.2%825
54.5%
244KnightX 1.922312+20−2049.1%+5.927.3%894
66.3%
245Sungorus 1.4 64-bit2304+26−2652.6%−22.922.2%540
57.0%
246‑247Ant 2006-F2301+22−2249.4%+3.924.4%753
51.9%
246‑247Natwarlal 0.142301+19−1949.3%+5.025.0%1005
53.0%
248Joker 1.1.142300+19−1950.1%−1.727.6%946
57.8%
249Anechka 0.082297+19−1948.6%+11.426.9%1032
58.7%
250Fischerle 0.9.70 SE 64-bit2294+24−2447.6%+16.632.6%582
51.9%
251Absolute Zero 2.4.7.2 64-bit2293+18−1850.7%−7.124.1%1133
64.8%
252AliChess 4.252287+22−2249.2%+4.425.6%767
55.2%
253‑254Chaturanga 2.4.32285+21−2149.3%+4.027.9%773
51.1%
253‑254Galjoen 0.38 64-bit2285+31−3153.2%−23.824.9%390
52.2%
255Matilde 2008 64-bit2284+25−2549.9%+0.328.9%564
80.0%
256Chispa 4.0.32270+19−1949.8%+2.327.3%952
84.5%
257Ayito 0.2.9942255+22−2249.8%−0.422.2%734
62.8%
258Beowulf 2.4a 64-bit2250+20−2050.1%−2.526.5%925
53.9%
259‑260Exacto 0.e 64-bit2249+19−1949.3%+4.533.4%939
48.1%
259‑260Protej 0.5.8c2249+20−2047.0%+22.122.5%924
56.4%
261RattateChess 1.0 Nosferatu2247+21−2149.1%+7.728.4%816
53.5%
262Buzz 0.08 64-bit2245+28−2850.4%−2.224.5%461
54.8%
263Mango Paola Ajedrez 4.12243+20−2048.2%+14.126.6%907
68.7%
264Feuerstein 0.4.6.12236+19−1949.1%+6.428.5%944
54.2%
265Atak 6.82235+19−1949.3%+4.923.3%1064
59.5%
266Dolphin 1.02232+20−2049.6%+0.624.6%887
57.1%
267KMTChess 1.2.1 64-bit2229+26−2649.5%+2.423.4%548
55.4%
268Zevra 1.8.4 r650 64-bit2226+35−3545.7%+30.428.6%280
55.5%
269RamJet 0.132223+21−2153.7%−28.227.0%803
60.0%
270‑271OBender 03.2016 64-bit2219+20−2050.9%−7.025.5%912
51.2%
270‑271Uralochka 1.1b2219+19−1949.7%+1.525.4%1031
52.0%
272Robocide 20170718 64-bit2218+24−2452.6%−19.725.2%620
56.5%
273Joker2 0.7.7 64-bit2215+29−2947.3%+19.933.6%396
53.0%
274Tiny Chess 1.46 64-bit2213+24−2448.7%+8.227.6%605
52.5%
275ChessKISS 1.7c 64-bit2212+20−2048.6%+11.127.4%869
53.1%
276‑277CT800 1.12 64-bit2211+22−2253.4%−25.022.1%756
49.1%
276‑277Neurosis 2.32211+28−2851.5%−14.126.5%457
57.5%
278‑279Adam 3.32208+19−1949.4%+4.422.5%986
50.3%
278‑279ZCT 0.3.24512208+27−2749.4%+4.125.5%478
51.7%
280‑281Baislicka 1.0 64-bit2207+24−2447.5%+19.524.8%616
51.7%
280‑281ChessAlex 2.0r42207+21−2147.0%+17.728.4%771
52.1%
282Napoleon 1.6.0b 64-bit2206+32−3246.1%+25.931.8%337
52.1%
283Dorpsgek Eves-Temptation 64-bit2205+21−2152.2%−16.423.6%845
64.2%
284BlackBishop 1.02199+18−1948.8%+9.227.1%1042
54.1%
285Latista (Sinobyl) 1.52198+25−2548.6%+6.825.2%583
57.9%
286Alf 1.092194+23−2349.4%+0.931.1%634
53.6%
287NG-Play 9.87 64-bit2193+22−2247.0%+17.925.6%722
68.7%
288NagaSkaki 5.122186+17−1752.1%−15.726.8%1187
51.7%
289GopherCheck 0.2.3 64-bit2185+22−2249.3%+4.531.8%670
64.7%
290Prophet 2.0 64-bit2178+30−3051.6%−13.124.6%394
62.5%
291Lime 662172+21−2150.0%−2.221.0%815
56.0%
292‑293Kurt 0.9.2.2 64-bit2169+22−2248.2%+14.124.0%754
49.7%
292‑293ProChess 1.02AD2169+20−2047.3%+16.422.3%954
53.0%
294Chesley r323 64-bit2168+26−2648.4%+12.022.3%521
56.8%
295Soldat III 0.187 64-bit2165+25−2545.8%+30.526.6%567
73.2%
296Clever Girl r160 64-bit2152+33−3346.0%+26.022.6%328
55.1%
297KnockOut 0.7.12150+16−1651.4%−10.126.5%1478
78.0%
298Blitzkrieg rev337 64-bit2139+21−2146.9%+22.526.1%797
61.9%
299Parrot 07.01.162133+31−3146.3%+28.121.7%378
53.3%
300Tunguska 1.0 64-bit2132+24−2445.1%+35.229.0%597
73.9%
301BikJump 2.01 64-bit2120+26−2645.9%+29.126.1%533
66.3%
302Clarabit 1.00 32-bit2113+22−2247.6%+13.829.9%736
71.6%
303Barbarossa 0.4.0 64-bit2103+23−2343.5%+50.618.0%743
89.2%
304Jabba 1.0 64-bit2080+28−2846.3%+27.322.0%464
64.7%
305BigLion 2.23w2073+22−2246.2%+26.023.4%772
74.7%
306Zeta Dva 0301 64-bit2061+29−3050.8%−2.929.3%396
62.1%
307Cinnamon 2.0 64-bit2055+24−2543.9%+45.629.1%580
62.5%
308‑309Ecce 1.0 (rev. 508) 64-bit2050+23−2346.7%+26.118.0%727
48.8%
308‑309PLP 16615712050+23−2346.6%+24.324.1%696
71.7%
310Embla 1.0.1 64-bit2041+21−2137.0%+98.322.1%879
59.9%
311Matheus 2.32037+24−2445.0%+39.922.7%665
51.7%
312Monarch 1.72036+20−2045.5%+41.518.7%990
52.3%
313Mustang 4.972035+27−2744.3%+38.330.3%498
66.2%
314Slibo 0.5.12027+26−2645.5%+33.619.4%573
58.7%
315Abbess 2016.12.112023+29−2948.5%+12.121.7%428
51.1%
316Bubble 1.52022+20−2044.3%+45.121.5%943
65.1%
317ChessMind 0.822016+24−2546.3%+27.517.7%628
61.0%
318Schola 1.1.0 64-bit2010+34−3444.7%+40.821.6%310
58.4%
319Cupcake 1.1a2005+26−2646.2%+30.817.2%558
54.4%
320Smash 1.0.3 64-bit2003+28−2847.4%+18.625.1%450
59.0%
321BibiChess 0.51999+25−2545.6%+32.425.7%592
53.1%
322BSC 3.91997+37−3745.1%+37.824.0%263
63.2%
323AdroitChess 0.31989+26−2644.9%+41.019.0%588
70.9%
324Heracles 0.6.161979+23−2445.9%+30.028.3%640
56.2%
325Rival 1.181977+23−2346.2%+24.726.9%692
58.7%
326Dabbaba 6.521972+35−3645.4%+38.920.3%295
67.4%
327Monik 2.2.3 64-bit1961+30−3045.0%+50.624.3%404
75.3%
328Micro-Max 4.8 (DM-PII)1947+24−2448.7%+10.925.1%593
57.2%
329MatMoi 7.15.0-cct 32-bit1943+25−2542.7%+55.324.5%568
91.8%
330Reger 0.091920+23−2342.0%+59.922.4%684
61.5%
331Clueless 1.41915+22−2241.4%+68.416.8%816
57.0%
332GChess IV 0.2.01912+24−2442.7%+54.128.2%593
52.7%
333‑334MOBMAT 0.903d 64-bit1910+43−4335.1%+147.814.7%252
50.3%
333‑334Warrior 1.0.31910+22−2243.8%+45.923.5%790
82.0%
335Surprise 4.3b131894+29−3038.9%+87.319.1%446
88.4%
336Predateur 2.2 64-bit1863+41−4239.6%+79.618.1%216
70.4%
337BeRoChess 1.00 32-bit1848+37−3837.4%+97.522.9%266
96.7%
338Ziggurat 0.18 64-bit1797+41−4329.3%+160.424.3%222
 

Results matrix

All engines (top 12, best versions only)
#NameElo1
Stock
2
Houdi
3
Komod
4
Fire
5
Deep
6
Fizbo
7
Andsc
8
Booot
9
Fritz
10
Chiro
11
Nirva
12
Gull
1Stockfish 9 64-bit 4CPU3444 27 − 23
+7−3=40
−15		27 − 25
+7−5=40
−27		36.5 − 13.5
+23−0=27
−11		41 − 9
+32−0=18
+64		39 − 11
+29−1=20
+21		2 − 0
+2−0=0
+INF		41.5 − 8.5
+33−0=17
+10		44.5 − 5.5
+39−0=11
+71		41 − 9
+32−0=18
−25		40 − 8
+32−0=16
−18		46.5 − 5.5
+41−0=11
+63
2Houdini 6 64-bit 4CPU340723 − 27
+3−7=40
+15		 23.5 − 28.5
+6−11=35
−25		24 − 9
+16−1=16
+26		22.5 − 9.5
+13−0=19
0		22.5 − 9.5
+13−0=19
−9		31.5 − 8.5
+23−0=17
+29		26 − 6
+20−0=12
+28		44 − 6
+38−0=12
+91		27.5 − 4.5
+23−0=9
+59		25.5 − 7.5
+18−0=15
−47		28.5 − 3.5
+25−0=7
+93
3Komodo 11.3.1 64-bit 4CPU340725 − 27
+5−7=40
+27		28.5 − 23.5
+11−6=35
+25		 32 − 20
+14−2=36
−49		33 − 17
+16−0=34
−29		37.5 − 14.5
+24−1=27
+7		1.5 − 0.5
+1−0=1
−12		37 − 13
+24−0=26
−38		 40 − 10
+31−1=18
−4		41 − 9
+32−0=18
+3		39.5 − 10.5
+30−1=19
−26
4Fire 6.1 64-bit 4CPU329613.5 − 36.5
+0−23=27
+11		9 − 24
+1−16=16
−26		20 − 32
+2−14=36
+49		 15 − 17
+4−6=22
−22		16 − 16
+9−9=14
−16		24.5 − 14.5
+15−5=19
+32		20 − 12
+8−0=24
−5		33 − 17
+20−4=26
0		20 − 12
+9−1=22
−29		19.5 − 12.5
+8−1=23
−46		20 − 12
+9−1=22
−41
5Deep Shredder 13 64-bit 4CPU32919 − 41
+0−32=18
−64		9.5 − 22.5
+0−13=19
0		17 − 33
+0−16=34
+29		17 − 15
+6−4=22
+22		 18.5 − 13.5
+8−3=21
+34		21.5 − 18.5
+8−5=27
−19		20.5 − 11.5
+11−2=19
+13		33.5 − 16.5
+19−2=29
+9		20 − 12
+10−2=20
−20		20.5 − 11.5
+13−4=15
−13		26.5 − 11.5
+15−0=23
+7
6Fizbo 2 64-bit 4CPU328211 − 39
+1−29=20
−21		9.5 − 22.5
+0−13=19
+9		14.5 − 37.5
+1−24=27
−7		16 − 16
+9−9=14
+16		13.5 − 18.5
+3−8=21
−34		 16.5 − 15.5
+6−5=21
−23		17 − 15
+8−6=18
−38		23 − 17
+14−8=18
−32		21 − 11
+13−3=16
+12		23 − 9
+14−0=18
+36		23 − 9
+15−1=16
+39
7Andscacs 0.921 64-bit 4CPU32520 − 2
+0−2=0
−INF		8.5 − 31.5
+0−23=17
−29		0.5 − 1.5
+0−1=1
+12		14.5 − 24.5
+5−15=19
−32		18.5 − 21.5
+5−8=27
+19		15.5 − 16.5
+5−6=21
+23		 18.5 − 21.5
+4−7=29
−44		31.5 − 18.5
+18−5=27
+29		21 − 19
+7−5=28
−38		 1 − 1
+0−0=2
−64
8Booot 6.2 64-bit 4CPU32268.5 − 41.5
+0−33=17
−10		6 − 26
+0−20=12
−28		13 − 37
+0−24=26
+38		12 − 20
+0−8=24
+5		11.5 − 20.5
+2−11=19
−13		15 − 17
+6−8=18
+38		21.5 − 18.5
+7−4=29
+44		 29.5 − 20.5
+13−4=33
+25		15 − 17
+4−6=22
−43		18 − 14
+6−2=24
−1		20 − 12
+9−1=22
+26
9Fritz 16 64-bit 4CPU32035.5 − 44.5
+0−39=11
−71		6 − 44
+0−38=12
−91		 17 − 33
+4−20=26
0		16.5 − 33.5
+2−19=29
−9		17 − 23
+8−14=18
+32		18.5 − 31.5
+5−18=27
−29		20.5 − 29.5
+4−13=33
−25		 26.5 − 23.5
+12−9=29
+13		24.5 − 22.5
+10−8=29
0		20.5 − 19.5
+11−10=19
−8
10Chiron 4 64-bit 4CPU32019 − 41
+0−32=18
+25		4.5 − 27.5
+0−23=9
−59		10 − 40
+1−31=18
+4		12 − 20
+1−9=22
+29		12 − 20
+2−10=20
+20		11 − 21
+3−13=16
−12		19 − 21
+5−7=28
+38		17 − 15
+6−4=22
+43		23.5 − 26.5
+9−12=29
−13		 17 − 15
+7−5=20
+9		14.5 − 17.5
+3−6=23
−36
11NirvanaChess 2.4 64-bit 4CPU31928 − 40
+0−32=16
+18		7.5 − 25.5
+0−18=15
+47		9 − 41
+0−32=18
−3		12.5 − 19.5
+1−8=23
+46		11.5 − 20.5
+4−13=15
+13		9 − 23
+0−14=18
−36		 14 − 18
+2−6=24
+1		22.5 − 24.5
+8−10=29
0		15 − 17
+5−7=20
−9		 14.5 − 17.5
+4−7=21
−29
12Gull 3 64-bit 4CPU31885.5 − 46.5
+0−41=11
−63		3.5 − 28.5
+0−25=7
−93		10.5 − 39.5
+1−30=19
+26		12 − 20
+1−9=22
+41		11.5 − 26.5
+0−15=23
−7		9 − 23
+1−15=16
−39		1 − 1
+0−0=2
+64		12 − 20
+1−9=22
−26		19.5 − 20.5
+10−11=19
+8		17.5 − 14.5
+6−3=23
+36		17.5 − 14.5
+7−4=21
+29		 
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
Hou
3
Kom
4
Fir
5
Dee
6
Fiz
7
And
8
Boo
9
Fri
10
Chi
11
Nir
12
Gul
1Stockfish 9 64-bit 4CPU3444 99.899.6100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Houdini 6 64-bit 4CPU34070.2 50.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Komodo 11.3.1 64-bit 4CPU34070.450.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Fire 6.1 64-bit 4CPU32960.00.00.0 66.684.3100.0100.0100.0100.0100.0100.0
5Deep Shredder 13 64-bit 4CPU32910.00.00.033.4 75.899.9100.0100.0100.0100.0100.0
6Fizbo 2 64-bit 4CPU32820.00.00.015.724.2 98.3100.0100.0100.0100.0100.0
7Andscacs 0.921 64-bit 4CPU32520.00.00.00.00.11.7 98.3100.0100.0100.0100.0
8Booot 6.2 64-bit 4CPU32260.00.00.00.00.00.01.7 98.498.999.9100.0
9Fritz 16 64-bit 4CPU32030.00.00.00.00.00.00.01.6 59.085.995.4
10Chiron 4 64-bit 4CPU32010.00.00.00.00.00.00.01.141.0 79.891.2
11NirvanaChess 2.4 64-bit 4CPU31920.00.00.00.00.00.00.00.114.120.2 62.1
12Gull 3 64-bit 4CPU31880.00.00.00.00.00.00.00.04.68.837.9 
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 stable versions (no beta versions)
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

821'008 games (154.78 MB)

All games with comments

821'008 games (484.34 MB)

Selection of games
(Please don't use aggressive download managers)

Various statistics

Created in 2005-2013 by CCRL team
Last games added on April 21, 2018