CCRL 40/40
Downloads and Statistics
September 23, 2018
Testing summary:
Total: 898'193 games
played by 2'233 programs
125027 CPU days (X2 4600+)

White wins: 309'810 (34.5%)
Black wins: 229'358 (25.5%)
Draws: 359'025 (40.0%)
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 September 23, 2018 with Bayeselo based on 898'193 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 4CPU3438+16−1672.7%−156.149.7%1338 
99.7%
2Komodo 11.3.1 64-bit 4CPU3403+21−2172.0%−148.647.5%758
63.2%
3Houdini 6 64-bit 4CPU3399+16−1665.2%−98.058.2%1157
100.0%
4Fire 7.1 64-bit 4CPU3325+19−1962.3%−77.756.0%816
100.0%
5Deep Shredder 13 64-bit 4CPU3285+13−1350.7%−5.062.1%1759
59.0%
6Fizbo 2 64-bit 4CPU3282+17−1748.2%+10.554.9%1014
57.5%
7Ethereal 10.55 64-bit 4CPU3279+25−2449.8%−1.557.4%488
67.3%
8Andscacs 0.94 64-bit 4CPU3272+25−2545.1%+29.256.3%448
60.0%
9Booot 6.3.1 64-bit 4CPU3267+25−2545.1%+29.555.6%468
99.6%
10Laser 1.6 64-bit 4CPU3223+23−2340.8%+59.954.2%548
95.9%
11Fritz 16 64-bit 4CPU3199+13−1352.9%−17.744.0%1914
55.6%
12Chiron 4 64-bit 4CPU3198+14−1439.4%+69.552.0%1692
88.8%
13NirvanaChess 2.4 64-bit 4CPU3185+15−1538.7%+73.753.1%1382
58.2%
14Gull 3 64-bit 4CPU3183+10−1042.0%+51.454.5%3549
53.7%
15Xiphos 0.3 64-bit 4CPU3182+21−2149.9%−1.755.0%646
63.7%
16Equinox 3.20 64-bit 4CPU3178+11−1141.3%+55.959.1%2460
99.2%
17Critter 1.6a 64-bit 4CPU3162+8−845.3%+31.654.6%5429
72.7%
18Hannibal 1.7 64-bit 4CPU3157+15−1541.3%+54.654.6%1397
70.3%
19Bouquet 1.8 64-bit 4CPU3152+11−1143.6%+40.956.7%2427
60.4%
20Rybka 4 64-bit 4CPU3150+10−1048.7%+7.151.0%3180
74.2%
21Texel 1.07 64-bit 4CPU3143+15−1549.8%+4.447.8%1390
59.8%
22Protector 1.9.0 64-bit 4CPU3141+15−1546.3%+25.454.1%1313
54.7%
23Alfil 15.7 64-bit 4CPU3139+17−1742.9%+48.656.3%1006
79.2%
24ChessBrainVB 3.68 4CPU3126+26−2649.2%+4.551.6%428
52.9%
25BlackMamba 2.0 64-bit 4CPU3125+15−1544.2%+38.154.3%1408
56.9%
26Arasan 20.4.1 64-bit 4CPU3123+26−2551.7%−10.950.2%452
74.3%
27Senpai 2.0 64-bit 4CPU3112+21−2152.3%−16.548.3%666
72.3%
28Strelka 5.5 64-bit3105+6−746.4%+25.549.1%9019
63.9%
29Vajolet2 2.5 64-bit 4CPU3100+24−2451.5%−9.854.0%493
54.6%
30Nemorino 4.00 64-bit 4CPU3098+22−2250.0%+1.552.9%624
51.8%
31Naum 4.6 64-bit 4CPU3097+14−1448.1%+12.154.3%1544
74.6%
32Pedone 1.7 64-bit 4CPU3089+19−1948.2%+11.656.4%801
90.2%
33Rodent III 0.238 64-bit 4CPU3071+20−2047.2%+15.250.0%742
60.1%
34Defenchess (SCTR) 1.1f 64-bit 4CPU3068+20−2053.4%−22.944.0%764
83.3%
35Hiarcs 14 4CPU3056+13−1342.5%+44.851.1%1852
89.9%
36Wasp 2.6 64-bit 4CPU3041+18−1848.9%+7.647.2%968
51.2%
37iCE 3.0 64-bit3040+12−1249.8%+0.449.0%2248
85.8%
38Deep Junior 13 64-bit 4CPU3029+16−1643.5%+40.849.9%1161
53.5%
39Bobcat 8.0 64-bit 4CPU3028+24−2447.8%+14.252.8%508
61.1%
40SmarThink 1.98 64-bit3023+16−1651.8%−16.241.9%1185
68.7%
41Spike 1.4 Leiden 4CPU3018+11−1145.2%+29.447.6%2863
55.3%
42chess22k 1.10 64-bit 4CPU3017+22−2246.7%+16.143.7%680
62.1%
43‑44Cheng 4.39 64-bit 4CPU3012+16−1650.2%−1.049.0%1176
49.7%
43‑44Crafty 25.2 64-bit 4CPU3012+18−1848.7%+8.645.0%978
83.6%
45Hakkapeliitta TCEC v2 64-bit3000+16−1649.8%−1.242.8%1224
98.4%
46EXchess 7.97b 64-bit 4CPU2972+18−1946.5%+24.745.8%921
54.5%
47‑48Spark 1.0 64-bit 4CPU2971+13−1345.0%+32.046.6%1787
51.8%
47‑48Zappa Mexico II 64-bit 4CPU2971+10−1048.3%+8.948.1%3270
70.5%
49‑50Demolito 2017-08-26 64-bit 4CPU2964+21−2140.2%+63.540.8%748
49.6%
49‑50Toga II 4.0 64-bit 4CPU2964+21−2139.7%+67.340.1%780
87.0%
51Scorpio 2.7.9 64-bit 4CPU2947+22−2246.7%+20.840.5%659
63.0%
52Gaviota 1.0 64-bit 4CPU2942+16−1647.3%+16.845.1%1190
54.1%
53Deep Sjeng c't 20102941+10−1046.2%+24.746.0%3276
73.6%
54Onno 1.2.70 64-bit 4CPU2934+20−2047.5%+15.647.7%794
62.4%
55DisasterArea 1.65 64-bit 4CPU2929+24−2445.8%+26.548.7%509
51.1%
56Thinker 5.4d Inert 64-bit 4CPU2928+23−2346.9%+18.450.4%557
69.6%
57Amoeba 2.8 64-bit2921+17−1744.2%+36.743.5%1131
92.1%
58‑59Deuterium 2018.1.35.514 64-bit2905+15−1546.5%+22.745.7%1439
49.1%
58‑59Quazar 0.4 64-bit2905+11−1149.0%+6.043.4%2835
54.8%
60The Baron 3.41 64-bit 4CPU2904+20−2038.4%+75.844.5%768
58.7%
61DiscoCheck 5.2 64-bit2901+18−1848.6%+8.343.2%1012
58.2%
62‑63Bright 0.4a 4CPU2898+15−1547.4%+17.441.1%1495
51.0%
62‑63Tornado 6.0 64-bit 4CPU2898+26−2645.1%+29.943.5%453
58.2%
64Atlas 3.91 64-bit2894+18−1853.7%−29.340.9%1018
59.9%
65Octochess r5506 64-bit 4CPU2891+23−2344.8%+33.646.5%579
60.7%
66MinkoChess 1.3 64-bit 4CPU2886+21−2146.0%+24.943.7%725
98.9%
67Dirty 30Apr2017 64-bit2855+15−1549.6%+0.945.3%1389
68.9%
68Loop M1-T 64-bit 4CPU2850+12−1143.2%+43.645.2%2447
55.8%
69Pirarucu 2.3.8 64-bit2848+36−3656.3%−45.738.9%252
55.3%
70Nemo 1.0.1 64-bit2845+13−1348.2%+10.543.8%2087
68.5%
71BugChess2 1.9 64-bit 4CPU2839+21−2143.4%+44.438.2%738
81.9%
72‑74Jonny 4.00 4CPU2823+28−2842.5%+49.635.6%413
49.8%
72‑74Murka 3 64-bit2823+13−1348.7%+7.043.5%1972
48.9%
72‑74Tucano 7.00 64-bit2823+20−2051.9%−15.943.2%774
54.3%
75Zurichess Neuchatel 64-bit2822+18−1849.1%+3.442.5%964
89.5%
76GNU Chess 5.60 64-bit2806+18−1848.8%+6.141.6%1005
78.8%
77Rhetoric 1.4.3 64-bit2797+13−1351.3%−12.040.5%2003
60.8%
78GnuCheese 1.00 64-bit2794+16−1649.8%−1.040.7%1237
61.3%
79Marvin 3.1.0 64-bit2789+24−2548.8%+7.245.3%519
56.3%
80RuyDos 1.1.0 64-bit2787+28−2850.2%−2.040.1%414
67.2%
81Pawny 1.2 64-bit2780+14−1447.8%+13.139.6%1587
67.3%
82‑83Frenzee 3.5.19 64-bit2775+14−1448.5%+9.334.7%1654
47.9%
82‑83Naraku 1.42775+16−1649.0%+7.626.1%1342
76.7%
84Twisted Logic 20100131x 64-bit2767+17−1750.1%−3.435.1%1201
51.4%
85RofChade 1.0 64-bit2766+21−2147.1%+20.131.2%766
68.2%
86Bison 9.11 64-bit2760+15−1550.5%−5.834.5%1572
62.1%
87Godel 4.0.7 64-bit2756+19−1951.8%−18.335.1%959
58.4%
88Ktulu 92754+13−1346.7%+21.138.9%2122
91.2%
89Chronos 1.9.9 32-bit2740+17−1750.2%+0.143.2%1162
60.1%
90Nebula 2.0 64-bit 4CPU2736+24−2446.4%+27.434.7%617
54.9%
91Carballo 1.7 64-bit2734+17−1750.8%−5.440.7%1118
60.8%
92GreKo 2018.07 64-bit2729+27−2752.4%−14.636.9%453
67.9%
93ProDeo 2.22722+17−1748.4%+9.437.4%1143
70.3%
94Shield 2.0 64-bit2714+24−2450.2%−5.729.3%610
58.5%
95Devel 2.00002711+20−2051.9%−14.038.3%853
66.2%
96Cheese 1.9 64-bit2705+17−1749.8%+3.638.8%1205
55.3%
97Chess Tiger 2007.12704+10−1046.2%+24.842.8%3218
60.3%
98Chessmaster 11 Aiglos II2701+20−2046.4%+23.140.5%814
73.4%
99WyldChess 1.51 64-bit2692+18−1849.7%+0.035.1%1025
62.6%
100Delfi 5.42689+11−1247.7%+14.340.2%2532
65.4%
101‑102ECE X3 64-bit 4CPU2683+23−2344.1%+48.423.5%718
51.2%
101‑102RedQueen 1.1.98 64-bit 4CPU2683+27−2744.0%+48.827.3%510
53.5%
103Gogobello 1.4 64-bit2681+19−1950.4%−1.137.5%894
55.1%
104Daydreamer 1.75 64-bit2680+17−1748.9%+7.339.9%1153
60.9%
105Pharaon 3.5.1 4CPU2675+26−2643.6%+41.729.7%518
52.2%
106‑107Arminius 2017-01-01 64-bit2674+17−1749.9%+0.535.3%1141
50.3%
106‑107Counter 2.7 64-bit2674+27−2753.5%−24.241.5%434
68.5%
108‑109Djinn 1.021 64-bit2667+14−1449.6%+1.436.4%1684
48.5%
108‑109Movei 00.8.438 (10 10 10)2667+11−1147.4%+15.337.4%2703
81.6%
110‑111Alaric 7072660+12−1249.3%+4.534.1%2627
49.7%
110‑111Floyd 0.9 64-bit2660+17−1750.6%−5.230.8%1236
51.1%
112Ghost 3.1 64-bit 4CPU2659+34−3452.4%−13.429.3%297
53.2%
113tomitankChess 2.0 64-bit2658+19−1953.4%−27.832.3%977
61.2%
114Philou 3.7.1 64-bit2654+13−1449.2%+4.837.0%1836
64.6%
115Leela Chess 0.10 64-bit w3232650+19−1952.0%−16.625.0%1062
52.3%
116‑117Cyrano 0.6b17 64-bit2649+23−2348.5%+9.037.2%646
50.1%
116‑117E.T. Chess 13.01.082649+14−1449.1%+5.336.6%1804
63.3%
118‑119Rotor 0.7a2644+22−2350.6%−5.834.6%654
50.5%
118‑119Winter 0.2 64-bit2644+20−2056.5%−53.324.3%1003
53.8%
120Colossus 2008b2643+13−1349.3%+2.738.3%2104
62.7%
121‑122Gandalf 7 64-bit2639+22−2147.3%+16.833.1%744
51.0%
121‑122Slow Chess Blitz WV2.12639+12−1248.1%+12.037.0%2556
56.0%
123DanaSah 7.32637+19−1950.7%−4.732.9%954
63.6%
124Sjakk 2.2 64-bit2632+16−1649.5%+2.539.3%1307
59.3%
125WildCat 82630+14−1449.2%+4.634.9%1849
61.3%
126Rodin 8.02627+16−1649.3%+2.938.5%1336
52.3%
127Hamsters 0.72626+24−2449.1%+6.737.7%575
55.7%
128NoraGrace 2.0 64-bit2624+16−1651.1%−10.128.0%1393
52.9%
129Ruffian 2.1.02623+13−1348.6%+9.637.6%2030
64.9%
130K2 0.912618+26−2649.1%+6.833.0%485
60.0%
131Phalanx XXV2614+16−1649.2%+3.932.2%1353
58.1%
132Sloppy 0.2.2 64-bit2611+17−1849.0%+6.932.8%1108
52.9%
133RubiChess 1.0 64-bit2610+23−2345.1%+31.039.0%593
65.2%
134Donna 4.0 64-bit2604+15−1550.3%−2.136.4%1418
54.7%
135Monolith 0.4 64-bit2603+22−2151.5%−10.237.1%704
67.2%
136Aristarch 4.502597+12−1248.2%+13.932.4%2439
53.8%
137Petir 4.392596+21−2148.7%+6.137.3%716
52.2%
138Glass 2.0 64-bit2595+15−1549.4%+4.034.1%1485
57.4%
139‑140Muse 0.953 64-bit2593+17−1749.1%+6.033.8%1122
51.4%
139‑140N2 0.4 64-bit2593+16−1650.1%−1.434.8%1312
54.1%
141‑142CuckooChess 1.12 32-bit2591+26−2648.5%+11.030.2%503
49.5%
141‑142Pseudo 0.7c2591+13−1350.2%−0.937.6%1927
54.0%
143Amyan 1.722590+13−1350.6%−3.531.7%2179
59.8%
144‑145Fridolin 2.0 64-bit 4CPU2585+38−3935.6%+100.031.8%233
48.9%
144‑145GarboChess 3.0 64-bit2585+17−1749.9%−0.531.7%1260
56.3%
146Brutus 8.05 64-bit2583+24−2450.1%−2.635.3%567
62.5%
147Jellyfish 1.1 64-bit2578+16−1649.5%+2.237.2%1284
62.9%
148Delocto 0.6 64-bit2574+20−2048.9%+7.540.6%794
58.1%
149Dorky 4.8 64-bit2571+27−2751.0%−8.335.5%448
59.4%
150Capivara LK 0.09b02f 64-bit2567+17−1849.6%+1.433.5%1106
53.1%
151Schooner 1.8 64-bit2566+20−2049.3%+1.232.9%902
55.5%
152SOS 5.12564+13−1348.4%+9.534.5%1904
57.4%
153Coiled 0.4 64-bit2562+18−1749.6%−1.031.1%1154
54.0%
154Francesca MAD 0.192561+15−1548.7%+8.233.6%1477
61.7%
155JikChess 0.02 64-bit2557+17−1749.8%+1.728.2%1273
54.2%
156Anaconda 2.0.12556+27−2747.9%+11.535.2%458
54.7%
157Jazz 840 64-bit 4CPU2554+20−2058.6%−71.125.3%968
50.7%
158Betsabe II 1.842553+20−2050.3%−2.628.7%904
75.8%
159‑160Ufim 8.022545+13−1349.5%+1.830.8%2209
47.6%
159‑160nanoSzachy 4.0 64-bit2545+18−1849.7%+2.131.5%1117
75.4%
161AnMon 5.752537+16−1649.6%+2.931.0%1372
58.6%
162Orion 0.5 64-bit2534+20−2048.2%+10.834.3%852
58.5%
163Hermann 2.8 64-bit2531+17−1750.0%+0.526.9%1184
71.9%
164Maverick 1.5 64-bit2524+16−1651.0%−9.530.4%1347
73.6%
165Bagatur 1.5e 64-bit2515+23−2351.8%−11.635.7%622
54.3%
166Nimzo 82513+28−2845.5%+33.632.2%453
60.5%
167LittleThought 1.052 64-bit2509+18−1850.0%−1.926.3%1126
52.5%
168Little Goliath Evolution 3.122508+18−1846.5%+23.733.6%1020
53.8%
169MadChess 2.2 64-bit2507+20−1950.3%−2.334.8%876
56.8%
170Tao 5.62504+17−1749.8%+2.627.5%1275
53.2%
171CyberPagno 3.0 64-bit2503+17−1751.7%−15.030.5%1215
66.4%
172Delphil 3.2 64-bit2498+16−1650.1%−0.134.4%1272
65.6%
173Pepito 1.59 64-bit2494+18−1849.0%+3.735.2%1066
51.6%
174Pupsi2 0.092493+18−1748.9%+6.629.7%1141
52.0%
175Yace 0.99.872492+17−1749.5%+5.029.1%1180
58.7%
176‑177Green Light Chess 3.01.2.22488+35−3548.2%+7.731.2%276
50.7%
176‑177Xpdnt 0910072488+16−1649.4%+3.131.6%1433
51.9%
178Drosophila 1.5.1 64-bit2487+20−2052.1%−14.228.9%899
51.8%
179Jumbo 0.6.10 64-bit2486+25−2453.2%−24.630.0%573
58.3%
180Bruja 1.9.1 64-bit2483+18−1849.8%+1.626.8%1060
56.1%
181‑182Cerebro 3.03d2481+18−1849.6%+0.530.0%1097
48.8%
181‑182Trace 1.362481+21−2149.5%+3.926.6%823
55.7%
183‑185Anatoli 0.35k2480+16−1650.0%−1.531.8%1300
46.9%
183‑185Matacz 1.42480+17−1750.4%−2.532.3%1212
51.9%
183‑185SpiderChess 0706032480+22−2250.2%+1.639.9%649
54.5%
186BBChess 1.3b2478+25−2450.4%−2.238.2%537
52.9%
187pikoSzachy 4.12476+29−2952.3%−15.430.8%412
71.5%
188Quark 2.352467+18−1848.4%+10.328.6%1122
65.3%
189Giraffe 20150908 64-bit2461+20−2050.2%−2.323.0%914
58.6%
190Bumblebee 1.0 64-bit2458+25−2548.2%+11.534.5%553
57.5%
191Lozza 1.18 64-bit2455+22−2245.1%+35.431.8%719
62.4%
192Nemeton 1.512450+22−2249.7%−0.128.4%712
59.8%
193Topple 0.2.1 64-bit2446+22−2244.7%+39.819.9%806
52.0%
194Hussar 0.42445+17−1748.7%+9.130.1%1161
52.9%
195‑196Eeyore 1.52 64-bit2444+18−1847.4%+17.528.0%1108
50.5%
195‑196Shallow r694 64-bit2444+18−1850.3%−4.632.5%1024
55.2%
197Typhoon 1.00-3482441+33−3348.6%+11.129.0%317
56.6%
198Abrok 5.02438+19−1949.2%+4.230.0%958
61.2%
199Snitch 1.6.2 32-bit2434+23−2347.4%+16.728.8%636
51.2%
200TJchess 1.3 64-bit2433+18−1848.4%+11.730.6%1114
54.2%
201Teki 2 64-bit2432+23−2351.1%−9.721.0%704
53.9%
202Homer 2.012430+20−2049.1%+5.832.6%803
58.9%
203Bearded N44.5 64-bit2427+25−2547.0%+18.130.9%557
54.9%
204Taltos rev118 64-bit2424+23−2251.9%−13.028.4%716
54.1%
205‑206Jonesy 1.0 64-bit2423+28−2851.8%−14.633.9%428
49.6%
205‑206PostModernist 10162423+19−1948.0%+11.729.3%1003
52.2%
207‑208Cmcchess 2.6 64-bit2422+18−1848.8%+8.136.8%1053
49.1%
207‑208RomiChess P3n 64-bit2422+18−1847.4%+20.937.6%984
64.0%
209Ares 1.005 64-bit2418+18−1847.4%+17.336.0%1008
52.7%
210Kiwi 0.6d 32-bit2417+20−2047.4%+15.827.2%935
57.5%
211KnightDreamer 3.32413+36−3647.3%+23.631.8%261
50.8%
212Bitfoot 1.0.d9aeb43 64-bit2412+27−2748.0%+15.027.6%468
55.1%
213‑214Gaia 3.5 32-bit2410+21−2248.6%+9.829.5%745
49.5%
213‑214Queen 4.032410+18−1848.5%+8.234.6%1056
53.3%
215‑217Diablo 0.5.12409+18−1848.5%+10.632.1%1057
49.5%
215‑217Dragon 4.62409+18−1847.8%+14.833.3%1023
49.3%
215‑217Ifrit m1.8 64-bit2409+18−1849.0%+8.629.2%1066
66.3%
218Patzer 3.802404+21−2148.9%+9.123.9%832
60.4%
219Simplex 0.9.8 64-bit2400+18−1847.6%+15.924.8%1115
53.7%
220Tigran 2.4n 64-bit2399+17−1748.9%+6.730.1%1174
50.7%
221Amy 0.87b2398+24−2449.1%+9.725.8%600
61.0%
222Gosu 0.162394+19−1849.3%+3.927.3%1039
52.9%
223Alex 2.14a 64-bit2393+18−1849.5%+3.429.9%1031
56.2%
224Amateur 2.822391+20−2048.3%+10.725.2%873
51.5%
225‑227Myrddin 0.87 64-bit2390+15−1549.5%+4.929.9%1519
51.4%
225‑227Popochin 4.1 64-bit2390+20−2051.3%−8.929.4%899
50.7%
225‑227Waxman 20142390+21−2147.3%+18.731.9%764
51.2%
228Sorgenkind 0.42389+15−1551.0%−5.627.9%1634
63.3%
229‑230Horizon 4.42386+17−1748.9%+7.625.6%1250
48.3%
229‑230Sage 3.532386+18−1849.8%+1.927.6%1091
51.7%
231Thor's Hammer 2.28 32-bit2385+25−2548.7%+10.029.5%566
58.8%
232Comet B682382+20−2046.8%+23.425.8%876
53.7%
233Galjoen 0.39 64-bit2380+21−2151.7%−9.626.4%836
56.8%
234Tytan 9.32378+23−2351.1%−8.325.3%679
63.1%
235OliThink 5.3.2 64-bit2373+18−1848.3%+12.525.5%1100
81.2%
236Plisk 0.2.7d 64-bit2360+21−2148.3%+12.528.3%815
70.9%
237Flux 2.2.12352+22−2250.0%−0.330.3%714
59.6%
238Isa 2.0.64 64-bit2348+21−2151.5%−11.327.6%807
56.1%
239WChess 1.062345+30−3147.0%+18.033.2%355
52.9%
240Asymptote 0.2.0 64-bit2343+39−3950.2%−2.222.5%244
51.5%
241Arion 1.72342+19−1949.2%+5.426.8%1047
69.7%
242Aice 0.99.22336+18−1849.7%+0.827.1%1087
55.9%
243Amundsen 0.802334+18−1849.8%+0.829.7%1095
52.5%
244‑245Butcher 1.61 64-bit2333+31−3148.5%+12.124.4%361
48.9%
244‑245Gibbon 2.60a 64-bit2333+22−2248.9%+5.331.9%709
52.4%
246Asterisk 0.62332+18−1847.8%+15.827.0%1085
61.9%
247FireFly 2.7.2 64-bit2328+20−2147.3%+17.031.3%824
52.2%
248EveAnn 1.712327+31−3148.7%+10.534.6%344
63.5%
249Zeus 1.272320+28−2850.1%−7.225.5%463
50.5%
250Mediocre 0.42319+31−3149.6%+2.524.7%365
54.3%
251KnightX 1.922317+19−1948.9%+8.127.8%1006
55.4%
252‑253Averno 0.812315+20−2048.3%+13.228.9%886
50.1%
252‑253Chezzz 1.0.32315+20−2049.5%+1.826.2%861
73.0%
254Ant 2006-F2306+22−2249.3%+4.124.3%789
58.6%
255Natwarlal 0.142303+19−1949.2%+6.225.0%1003
58.1%
256‑258Anechka 0.082300+19−1848.5%+13.327.0%1046
51.6%
256‑258Joker 1.1.142300+19−1949.2%+4.027.5%984
47.8%
256‑258Sungorus 1.4 64-bit2300+20−2047.1%+21.322.0%922
57.9%
259Fischerle 0.9.80 SE 64-bit2297+22−2245.9%+29.126.4%758
53.1%
260Absolute Zero 2.4.7.2 64-bit2296+17−1750.8%−7.323.5%1347
66.4%
261Matilde 2008 64-bit2290+24−2449.7%+2.329.3%594
57.0%
262‑263AliChess 4.252287+21−2148.4%+9.225.9%806
50.0%
262‑263Chaturanga 2.4.32287+21−2148.8%+6.428.4%811
85.8%
264Chispa 4.0.32272+19−1949.3%+5.727.1%983
81.7%
265‑266Ayito 0.2.9942258+22−2249.4%+3.222.5%772
50.9%
265‑266CT800 1.30 64-bit2258+22−2253.9%−30.520.6%780
64.9%
267Beowulf 2.4a 64-bit2252+20−2049.8%−0.526.4%939
54.3%
268Protej 0.5.8c2251+20−2046.9%+22.022.4%944
51.9%
269Exacto 0.e 64-bit2250+19−1949.2%+5.533.5%949
52.0%
270‑271Mango Paola Ajedrez 4.12249+20−2048.9%+9.226.5%925
52.0%
270‑271RattateChess 1.0 Nosferatu2249+21−2149.2%+7.228.3%826
62.3%
272Buzz 0.08 64-bit2243+27−2748.9%+9.024.2%484
54.2%
273Weini 0.0.23 64-bit2241+21−2149.5%+3.717.1%988
52.3%
274Zevra 1.8.5 r664 64-bit2240+32−3255.7%−39.924.5%368
54.7%
275Feuerstein 0.4.6.12238+19−1949.1%+5.928.5%944
61.8%
276‑277Atak 6.82234+17−1750.6%−3.823.3%1242
48.7%
276‑277Dolphin 1.02234+20−2049.7%+0.324.6%903
60.2%
278KMTChess 1.2.1 64-bit2230+26−2649.5%+2.723.4%548
55.4%
279Robocide 20170718 64-bit2228+20−2050.2%−2.325.0%925
52.9%
280‑281Joker2 0.7.7 64-bit2227+26−2548.8%+8.234.2%517
48.3%
280‑281RamJet 0.132227+21−2153.8%−28.327.2%813
53.4%
282Tiny Chess 1.46 64-bit2226+22−2249.2%+4.026.7%703
59.4%
283OBender 03.2016 64-bit2222+20−2050.9%−6.725.4%924
63.4%
284Uralochka 1.1b2218+18−1848.9%+8.126.0%1085
56.9%
285ChessKISS 1.7c 64-bit2215+20−2048.7%+10.027.4%879
53.0%
286Neurosis 2.32214+28−2851.5%−14.726.5%457
59.2%
287‑289Adam 3.32210+19−1949.4%+4.122.7%1005
50.4%
287‑289Baislicka 1.0 64-bit2210+22−2246.4%+26.325.5%742
50.2%
287‑289ZCT 0.3.24512210+27−2749.4%+3.725.5%478
53.5%
290Dorpsgek Eve's Temptation 64-bit2208+17−1752.1%−16.023.9%1262
53.1%
291‑292ChessAlex 2.0r42207+21−2147.0%+20.627.8%813
50.5%
291‑292Napoleon 1.6.0b 64-bit2207+31−3146.7%+22.131.5%349
62.4%
293BlackBishop 1.02201+19−1948.8%+9.427.1%1039
53.1%
294Latista (Sinobyl) 1.52200+24−2448.4%+8.625.5%605
59.4%
295‑296Alf 1.092196+23−2349.4%+0.531.1%634
48.5%
295‑296NG-Play 9.87 64-bit2196+20−2045.6%+30.525.4%867
54.9%
297GopherCheck 0.2.3 64-bit2195+21−2150.1%−0.231.5%758
72.0%
298NagaSkaki 5.122186+17−1751.2%−8.126.5%1265
66.3%
299Prophet 2.0 64-bit2179+29−2951.2%−10.025.4%410
58.6%
300‑301Lime 662175+20−2049.3%+2.821.5%988
50.8%
300‑301Soldat III 0.187 64-bit2175+23−2347.5%+17.726.3%655
57.8%
302‑303Chesley r323 64-bit2171+26−2648.6%+10.821.7%557
50.8%
302‑303ProChess 1.02AD2171+20−2047.3%+15.922.3%954
55.0%
304Kurt 0.9.2.2 64-bit2169+22−2248.0%+15.724.0%770
63.5%
305Clever Girl r160 64-bit2162+32−3247.9%+13.222.0%363
62.4%
306Embla 1.0.3 64-bit2156+21−2148.3%+14.021.6%832
64.6%
307KnockOut 0.7.12151+16−1651.3%−9.326.5%1490
79.4%
308Blitzkrieg rev337 64-bit2140+20−2046.3%+27.727.0%857
61.7%
309Tunguska 1.0 64-bit2136+23−2346.0%+31.227.7%704
51.4%
310Parrot 07.01.162135+31−3146.6%+25.721.1%394
68.6%
311Barbarossa 0.4.0 64-bit2126+19−1944.2%+49.218.5%1053
74.9%
312BikJump 2.01 64-bit2116+22−2247.4%+17.123.6%721
53.2%
313Clarabit 1.00 32-bit2114+22−2247.6%+14.629.9%736
70.4%
314Hedgehog 1.81 64-bit2105+28−2855.4%−44.324.5%466
89.8%
315AdroitChess 0.42081+25−2558.5%−73.314.3%698
62.4%
316BigLion 2.23w2076+21−2146.2%+25.023.1%832
65.5%
317Jabba 1.0 64-bit2069+24−2443.8%+46.721.9%654
62.4%
318Detroid 0.9.0 64-bit2064+23−2346.0%+30.313.0%746
67.9%
319Zeta Dva 0301 64-bit2055+28−2849.0%+9.329.4%446
51.7%
320Cinnamon 2.0 64-bit2054+24−2442.7%+55.927.9%637
59.5%
321Ecce 1.0 (rev. 508) 64-bit2050+22−2246.4%+28.718.5%791
59.7%
322PLP 16615712046+22−2246.1%+28.624.3%760
52.8%
323Monarch 1.72045+18−1847.3%+26.219.4%1253
57.6%
324Matheus 2.32042+23−2345.7%+35.823.2%693
54.0%
325Mustang 4.972041+26−2644.9%+33.530.7%525
73.2%
326ChessMind 0.822030+24−2447.3%+19.019.0%678
59.4%
327Slibo 0.5.12026+26−2645.5%+33.319.4%573
50.4%
328Faile 1.4.42025+24−2456.1%−38.022.0%692
55.9%
329‑330Abbess 2018.02.072023+23−2344.8%+39.919.6%716
49.2%
329‑330Wuttang r2 64-bit2023+24−2446.9%+20.320.6%675
54.9%
331Arabian Knight 1.55 64-bit2020+39−3951.0%−9.516.1%242
54.3%
332Ceibo 0.4 64-bit2018+23−2351.4%−10.621.9%720
56.6%
333Bubble 1.52015+19−1943.2%+54.020.9%1031
58.1%
334Cupcake 1.1a 64-bit2012+25−2548.5%+12.716.7%628
54.5%
335Schola 1.1.0 64-bit2010+26−2747.7%+16.522.8%526
60.5%
336Smash 1.0.3 64-bit2005+27−2746.8%+23.024.1%518
59.4%
337BibiChess 0.52000+24−2445.7%+32.026.5%607
58.4%
338La Dame Blanche 2.0c1997+18−1948.2%+14.318.1%1160
52.4%
339BSC 3.91996+37−3745.1%+37.724.0%263
70.5%
340Heracles 0.6.161984+20−2046.9%+22.527.3%896
73.7%
341Rival 1.181974+22−2245.6%+30.426.7%726
74.0%
342Dabbaba 5.671961+35−3642.5%+57.222.1%299
56.4%
343Monik 2.2.3 32-bit1957+30−3044.4%+39.027.1%395
80.2%
344MatMoi 7.15.0-cct 32-bit1940+25−2642.7%+55.224.5%568
51.8%
345Micro-Max 4.8 (DM-PII)1939+24−2448.5%+12.625.6%625
53.9%
346Eia 0.31937+22−2248.4%+13.925.1%770
90.3%
347Reger 0.091916+23−2342.3%+58.522.4%688
64.4%
348Clueless 1.41910+20−2041.6%+67.515.7%1014
59.4%
349Warrior 1.0.31907+21−2143.9%+45.622.5%862
77.9%
350Surprise 4.3b131894+26−2639.4%+83.119.4%568
68.1%
351GChess IV 0.2.01886+22−2242.2%+57.627.8%753
64.0%
352MOBMAT 0.903d 64-bit1879+30−3137.5%+114.316.8%464
79.2%
353Skiull 0.3 64-bit1861+28−2849.1%+6.526.1%444
53.9%
354Predateur 2.2 64-bit1859+41−4239.6%+79.218.1%216
61.6%
355Pigeon 1.5.1 64-bit1850+37−3750.0%+1.327.2%250
52.3%
356Sayuri 2018.03.06 64-bit1848+39−3951.5%−13.118.1%238
58.0%
357BeRoChess 1.00 32-bit1843+37−3837.4%+98.222.9%266
53.1%
358Ajedrez Tactico 2.73b1841+26−2642.6%+59.718.6%564
66.0%
359Roce 0.03901831+39−3947.6%+20.318.7%251
52.0%
360RataAeroespacial 0.2.11830+17−1743.2%+58.712.9%1494
67.1%
361Chenard 2018.03.06 64-bit1820+39−4045.8%+31.114.7%252
63.4%
362Lodocase 2402081810+43−4349.3%+9.514.8%210
64.7%
363Pulsar 2009-9b1799+38−3946.5%+23.222.9%240
59.0%
364Ziggurat 0.18 64-bit1793+42−4329.3%+160.424.3%222
51.7%
365Mint 2.31791+42−4246.2%+28.517.1%210
63.0%
366Grizzly 1.40.1b1781+43−4445.6%+37.67.9%216
82.5%
367Laurifer 1.01753+40−4042.7%+57.015.4%240
57.5%
368Enigma 1.1.41749+18−1836.8%+106.216.5%1336
61.3%
369Kanguruh 1.931743+37−3742.1%+63.320.0%280
63.9%
370Zoidberg 0.11733+40−4039.8%+77.017.9%240
99.9%
371Shallow Blue 1.1.0 64-bit1642+40−4225.2%+240.512.2%288
 

Results matrix

All engines (top 12, best versions only)
#NameElo1
Stock
2
Komod
3
Houdi
4
Fire
5
Deep
6
Fizbo
7
Ether
8
Andsc
9
Booot
10
Laser
11
Fritz
12
Chiro
1Stockfish 9 64-bit 4CPU3438 27 − 25
+7−5=40
−25		27 − 23
+7−3=40
−17		29 − 11
+18−0=22
+20		41 − 9
+32−0=18
+65		39 − 11
+29−1=20
+27		24.5 − 7.5
+17−0=15
+8		24.5 − 7.5
+17−0=15
+2		23 − 9
+14−0=18
−41		27 − 5
+22−0=10
+31		44.5 − 5.5
+39−0=11
+73		41 − 9
+32−0=18
−21
2Komodo 11.3.1 64-bit 4CPU340325 − 27
+5−7=40
+25		 28.5 − 23.5
+11−6=35
+21		 33 − 17
+16−0=34
−31		37.5 − 14.5
+24−1=27
+11		     40 − 10
+31−1=18
−3
3Houdini 6 64-bit 4CPU339923 − 27
+3−7=40
+17		23.5 − 28.5
+6−11=35
−21		 11.5 − 8.5
+4−1=15
−35		22.5 − 9.5
+13−0=19
+1		22.5 − 9.5
+13−0=19
−1		20 − 12
+10−2=20
−48		22 − 10
+12−0=20
−22		23.5 − 8.5
+16−1=15
+15		23.5 − 8.5
+15−0=17
−35		44 − 6
+38−0=12
+96		27.5 − 4.5
+23−0=9
+64
4Fire 7.1 64-bit 4CPU332511 − 29
+0−18=22
−20		 8.5 − 11.5
+1−4=15
+35		 24 − 16
+11−3=26
+15		22 − 18
+10−6=24
−15		18 − 14
+5−1=26
−14		20 − 12
+12−4=16
+21		21.5 − 10.5
+12−1=19
+39		23 − 9
+15−1=16
+30		28 − 12
+17−1=22
−8		27 − 13
+14−0=26
−33
5Deep Shredder 13 64-bit 4CPU32859 − 41
+0−32=18
−65		17 − 33
+0−16=34
+31		9.5 − 22.5
+0−13=19
−1		16 − 24
+3−11=26
−15		 18.5 − 13.5
+8−3=21
+40		15 − 17
+2−4=26
−20		14.5 − 17.5
+3−6=23
−36		16.5 − 15.5
+7−6=19
−7		19.5 − 12.5
+10−3=19
+3		33.5 − 16.5
+19−2=29
+11		20 − 12
+10−2=20
−17
6Fizbo 2 64-bit 4CPU328211 − 39
+1−29=20
−27		14.5 − 37.5
+1−24=27
−11		9.5 − 22.5
+0−13=19
+1		18 − 22
+6−10=24
+15		13.5 − 18.5
+3−8=21
−40		 16.5 − 15.5
+7−6=19
+2		15 − 17
+4−6=22
−28		19 − 13
+10−4=18
+39		20 − 12
+13−5=14
+21		23 − 17
+14−8=18
−36		21 − 11
+13−3=16
+9
7Ethereal 10.55 64-bit 4CPU32797.5 − 24.5
+0−17=15
−8		 12 − 20
+2−10=20
+48		14 − 18
+1−5=26
+14		17 − 15
+4−2=26
+20		15.5 − 16.5
+6−7=19
−2		 17 − 15
+8−6=18
+10		18 − 14
+8−4=20
+21		18 − 14
+8−4=20
−19		 20 − 12
+10−2=20
−11
8Andscacs 0.94 64-bit 4CPU32727.5 − 24.5
+0−17=15
−2		 10 − 22
+0−12=20
+22		12 − 20
+4−12=16
−21		17.5 − 14.5
+6−3=23
+36		17 − 15
+6−4=22
+28		15 − 17
+6−8=18
−10		 17 − 15
+6−4=22
+12		21.5 − 10.5
+12−1=19
+48		 19 − 13
+8−2=22
−22
9Booot 6.3.1 64-bit 4CPU32679 − 23
+0−14=18
+41		 8.5 − 23.5
+1−16=15
−15		10.5 − 21.5
+1−12=19
−39		15.5 − 16.5
+6−7=19
+7		13 − 19
+4−10=18
−39		14 − 18
+4−8=20
−21		15 − 17
+4−6=22
−12		 18.5 − 13.5
+8−3=21
+1		 20 − 12
+10−2=20
0
10Laser 1.6 64-bit 4CPU32235 − 27
+0−22=10
−31		 8.5 − 23.5
+0−15=17
+35		9 − 23
+1−15=16
−30		12.5 − 19.5
+3−10=19
−3		12 − 20
+5−13=14
−21		14 − 18
+4−8=20
+19		10.5 − 21.5
+1−12=19
−48		13.5 − 18.5
+3−8=21
−1		  16 − 16
+7−7=18
−26
11Fritz 16 64-bit 4CPU31995.5 − 44.5
+0−39=11
−73		 6 − 44
+0−38=12
−96		12 − 28
+1−17=22
+8		16.5 − 33.5
+2−19=29
−11		17 − 23
+8−14=18
+36		     26.5 − 23.5
+12−9=29
+14
12Chiron 4 64-bit 4CPU31989 − 41
+0−32=18
+21		10 − 40
+1−31=18
+3		4.5 − 27.5
+0−23=9
−64		13 − 27
+0−14=26
+33		12 − 20
+2−10=20
+17		11 − 21
+3−13=16
−9		12 − 20
+2−10=20
+11		13 − 19
+2−8=22
+22		12 − 20
+2−10=20
0		16 − 16
+7−7=18
+26		23.5 − 26.5
+9−12=29
−14		 
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
Kom
3
Hou
4
Fir
5
Dee
6
Fiz
7
Eth
8
And
9
Boo
10
Las
11
Fri
12
Chi
1Stockfish 9 64-bit 4CPU3438 99.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Komodo 11.3.1 64-bit 4CPU34030.3 63.2100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Houdini 6 64-bit 4CPU33990.036.8 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Fire 7.1 64-bit 4CPU33250.00.00.0 100.0100.099.8100.0100.0100.0100.0100.0
5Deep Shredder 13 64-bit 4CPU32850.00.00.00.0 59.064.581.388.6100.0100.0100.0
6Fizbo 2 64-bit 4CPU32820.00.00.00.041.0 57.575.483.7100.0100.0100.0
7Ethereal 10.55 64-bit 4CPU32790.00.00.00.235.542.5 67.376.1100.0100.0100.0
8Andscacs 0.94 64-bit 4CPU32720.00.00.00.018.724.632.7 60.099.8100.0100.0
9Booot 6.3.1 64-bit 4CPU32670.00.00.00.011.416.323.940.0 99.6100.0100.0
10Laser 1.6 64-bit 4CPU32230.00.00.00.00.00.00.00.20.4 95.996.9
11Fritz 16 64-bit 4CPU31990.00.00.00.00.00.00.00.00.04.1 55.6
12Chiron 4 64-bit 4CPU31980.00.00.00.00.00.00.00.00.03.144.4 
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 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

898'193 games (169.55 MB)

All games with comments

898'193 games (528.53 MB)

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

Various statistics

Created in 2005-2013 by CCRL team
Last games added on September 23, 2018